DE102019211255A1 - Galvanic cells and battery modules - Google Patents

Abstract

Galvanic cells and / or battery modules which comprise a plurality of galvanic cells are proposed, which have an increased service life and which, in particular, can be produced easily and inexpensively.

Description

The present invention relates to galvanic cells and battery modules which comprise galvanic cells.

Battery modules typically include one or more galvanic cells. Such galvanic cells are often subject to a swelling behavior, which is based on the one hand on aging effects and on the other hand on the intercalation and de-intercalation of ions in the electrodes of the galvanic cells.

A growth of the same based on aging of the galvanic cells is based, for example, on gas formation due to chemical decomposition of the electrolyte of the galvanic cells and / or on the growth of an interface layer on the electrodes of the galvanic cells, the so-called "solid electrolyte interphase" (SEI). In the process, the winding layers of a cell roll of a galvanic cell can become detached from one another (so-called “delamination”). A detachment of the winding layers of a cell roll can be caused, for example, by a growth of the winding layers in a direction running parallel to a stacking direction of a battery module and / or by a growth of the winding layers in a direction running perpendicular to a stacking direction of a battery module.

The present invention is based on the object of providing a galvanic cell and / or a battery module which comprises a plurality of galvanic cells which have an increased service life and which, in particular, can be produced simply and inexpensively.

This object is achieved by the features of the independent device claim.

Advantageous further developments are the subject of the subclaims.

• - einen oder mehrere Zellwickel;
• - ein Zellgehäuse, welches einen Aufnahmeraum zur Aufnahme des einen oder der mehreren Zellwickel umfasst,

wobei der eine oder die mehreren Zellwickel in dem Aufnahmeraum des Zellgehäuses aufgenommen sind und
wobei das Zellgehäuse ein oder mehrere Abstandshalterelemente umfasst oder bildet.A galvanic cell according to the invention preferably comprises the following:

• - one or more cell rolls;
• - A cell housing which comprises a receiving space for receiving the one or more cell rolls,

wherein the one or more cell rolls are received in the receiving space of the cell housing and
wherein the cell housing comprises or forms one or more spacer elements.

In particular, the cell housing delimits a receiving space in which the one or more cell coils of a respective galvanic cell are received.

The galvanic cells mentioned in the context of this description and the appended claims are in particular secondary cells.

The galvanic cells are thus preferably rechargeable galvanic cells.

In a battery module, in particular in a cell stack, one main side of a galvanic cell and / or a cell housing of the galvanic cell preferably faces a main side of a further galvanic cell and / or a cell housing of the further galvanic cell.

A respective galvanic cell and / or a cell housing of a respective galvanic cell preferably comprise two main sides and four secondary sides. The two main sides and / or two secondary sides in each case are preferably arranged on sides facing away from one another of a respective galvanic cell and / or a cell housing of a respective galvanic cell.

A main side of a respective galvanic cell and / or a cell housing of a respective galvanic cell is understood to mean in particular a side which has a larger surface area than the secondary sides of a respective galvanic cell and / or a cell housing of a respective galvanic cell.

The galvanic cell preferably comprises one or more cell rolls (“jelly rolls”).

For example, it is conceivable that the galvanic cell comprises two cell coils in each case.

It can be favorable if cell coils of the galvanic cell are arranged essentially parallel to one another.

Preferably, central planes of two cell rolls arranged parallel to one another are each arranged parallel to one another.

A respective cell roll of the galvanic cell preferably comprises two deflection areas, in which winding layers of the respective cell roll are deflected, the winding layers having a common winding line in a respective deflection area.

A winding direction of a respective cell roll preferably runs perpendicular to the common winding lines of the two deflection areas of the respective cell roll.

A winding layer preferably comprises several layers, for example two electrode layers and two separator layers.

It can be favorable if electrode layers and separator layers are each arranged alternately in a winding layer.

A layer sequence in a winding layer of a cell roll is thus preferably as follows: separator layer, electrode layer, separator layer, electrode layer.

The electrode layers preferably comprise an electrically conductive material or are formed from this, for example from aluminum or copper.

The separator layers preferably comprise an electrical insulating material or are formed from this, for example from polyethylene and / or polypropylene.

Information which relates to the arrangement of winding layers of a respective cell roll of galvanic cells relate in the context of this description and the appended claims in particular to a new condition of a respective cell roll and / or a respective galvanic cell. It is particularly conceivable that over the service life of a galvanic cell or a battery module which comprises several galvanic cells, slight deviations with regard to the arrangement of the winding layers can occur due to aging phenomena.

The winding lines of the two deflection areas of a respective cell roll are preferably arranged essentially parallel to one another.

Cell coils of a galvanic cell are formed in a deflection area, preferably axially symmetrical to the common winding line.

In particular, it is conceivable that the winding layers of the respective cell roll are arranged essentially semicircular in a respective deflection area in a cross section taken perpendicular to the common winding line.

It can be favorable if the common winding line of winding layers of the respective cell roll forms a common center point of semicircular arranged winding layers of the cell winding in a respective deflection area of the cell winding in a cross section taken perpendicular to the common winding line.

A respective cell roll of a galvanic cell comprises, in particular, several winding layers. Preferably, the winding layers of the cell roll are arranged essentially parallel to one another.

The cell roll preferably comprises a winding layer web which forms the winding layers. The winding layers are preferably formed by winding up the winding layer web.

In particular, it is conceivable that a single winding layer web comprises or forms all winding layers of a respective cell roll.

Winding layers of a respective cell winding are arranged in an intermediate region of the cell winding arranged between the two deflection regions of the cell winding, preferably essentially parallel to a center plane of the cell winding.

It can be favorable if a cell roll comprises two deflection areas, each deflection area having a common winding line which is arranged in the center plane of the cell roll.

A stacking direction of a battery module preferably runs essentially perpendicular to a center plane of cell coils of the galvanic cells of the battery module.

It can be favorable if the winding layers of a respective cell coil are arranged in the intermediate region of the cell coil essentially perpendicular to a stacking direction of the battery module and / or parallel to a center plane of the cell coil.

In the respective deflection area of the cell roll, the winding layers of the cell roll are preferably deflected, in particular by approximately 180 °.

Cell windings of a galvanic cell of the battery module are preferably flat windings.

In the context of this description and the appended claims, a flat roll is understood to mean, in particular, a cell roll which comprises several winding layers which are deflected in two deflection areas, with an intermediate area of the cell roll being arranged between the two deflection areas of the cell roll, in which winding layers of the cell roll are parallel to a center plane of the cell roll are arranged.

In one embodiment of the galvanic cell it is provided that the cell housing of the galvanic cell comprises one or more spacer areas and a central area on a main side of the cell housing, in particular on both main sides of the cell housing, wherein the one or more spacer areas protrude perpendicular to a center plane of a cell coil of the galvanic cell away from the center area and each form a spacer element.

In particular, it can be provided that the cell housing of the galvanic cell comprises one or more transition areas on a main side, in particular on both main sides, which are arranged between the central area and the one or more spacer areas.

For example, it is conceivable that the one or more spacer regions comprise a surface which is arranged essentially parallel to a surface of the central region of a cell coil of the galvanic cell.

In one embodiment of the galvanic cell it is provided that the one or more cell coils of the galvanic cell comprises two deflection areas, in which winding layers of the respective cell winding are deflected, the winding layers having a common winding line in a respective deflection area, and / or that one or the plurality of cell coils of the galvanic cell comprise an intermediate area arranged between the two deflection areas.

In one embodiment of the galvanic cell, it is provided that a cell housing wall of the cell housing of the galvanic cell rests against the cell winding in the intermediate area of a cell roll of the galvanic cell.

It can be particularly advantageous if at least approximately 70%, in particular at least approximately 90%, of a surface of an intermediate region of a respective cell roll lies completely against the central region of the cell housing wall.

It can also be favorable if the central area of the cell housing wall essentially rests with its entire surface on an intermediate area of a respective cell roll.

For example, it is conceivable that a cell housing wall of the cell housing of a respective galvanic cell is arranged in the central region essentially parallel to a central plane of a cell coil of the galvanic cell.

In one embodiment of the galvanic cell, it is provided that a cell housing wall of the cell housing of the galvanic cell does not rest against the cell winding in the deflection area of a cell coil of the galvanic cell.

It can also be favorable if a cell housing wall of the cell housing of a respective galvanic cell does not lie against a cell coil of the galvanic cell in the one or more spacer areas and / or in the one or more transition areas.

The cell housing wall of the cell housing of a respective galvanic cell is preferably arranged in the one or more spacer regions essentially parallel to a center plane of a cell coil of the galvanic cell.

One or more spacer elements are formed in particular by one or more projections and / or elevations of a cell housing wall running perpendicular to the stacking direction and / or parallel to a central plane of a cell coil of the galvanic cell, which wall is in the stacking direction of the battery module and / or perpendicular to the central plane of the cell coil protrude away from the cell housing wall.

In one embodiment of the galvanic cell, it is provided that the one or more spacer areas are arranged on an edge area, in particular on an annularly closed edge area, of a respective main side of the cell housing of a respective galvanic cell.

For example, it is conceivable that the central area of a respective main side is surrounded by an annularly closed spacer area.

The central area in particular forms a depression in a main side of the cell housing of the galvanic cell.

One or more spacer elements are arranged or formed, in particular, in a circumferential and / or ring-shaped closed edge region of cell housings of two adjacent galvanic cells.

The one or more spacer elements are preferably arranged or formed in an edge region facing cell housing walls of the cell housings of two adjacent galvanic cells of a battery module, which are in particular arranged perpendicular to the stacking direction of the battery module and / or parallel to a center plane of a cell coil of the galvanic cell.

For example, it is conceivable that a cell housing of a galvanic cell is designed to be essentially symmetrical, in particular essentially symmetrical to one perpendicular to one Stacking direction of a battery module and / or plane of symmetry arranged parallel to a center plane of a cell coil of a galvanic cell.

It can furthermore be advantageous if a cell housing of a galvanic cell is designed essentially symmetrically to a plane of symmetry arranged parallel to a stacking direction of a battery module.

In one embodiment of the galvanic cell, provision is made for the cell housing of the galvanic cell to be essentially concave on both main sides

In one embodiment of the galvanic cell it is provided that the cell housing of the galvanic cell is substantially concave on one main side and substantially convex on one main side.

In one embodiment of the galvanic cell, it is provided that the cell housing of the galvanic cell comprises or is formed by a metallic material, for example aluminum.

The cell housing of the galvanic cell is preferably a so-called “hard case” housing.

It can be particularly favorable if the cell housing of the galvanic cell is produced by means of a forming process, for example by deep drawing.

In particular, spacer elements formed by the cell housing of the galvanic cell are produced by means of a forming process.

A cell housing which is produced in a forming process, for example by deep drawing, in particular has an essentially uniform wall thickness.

As an alternative to this, it is conceivable that the cell housing of the galvanic cell is produced by extrusion.

It can also be favorable if the cell housing of the galvanic cell is produced by an injection molding process, for example by an injection molding process, in particular from a plastic material.

A cell housing which is produced by extrusion or in an injection molding process can in particular also have a non-uniform wall thickness.

For example, it is conceivable that the cell housing of a respective galvanic cell is a plastic component, in particular a plastic injection-molded component.

The galvanic cell according to the invention is particularly suitable for use in a battery module which comprises two or more than two galvanic cells according to the invention.

In one embodiment of the battery module, provision is made for the cell housings of two adjacent galvanic cells to lie directly against one another in the area of the spacer elements formed by the cell housing of the galvanic cells.

In particular, it can be favorable if the cell housings of two adjacent galvanic cells are only in direct contact with one another in areas, in particular only in the area of the spacer elements formed by the cell housings of the galvanic cells.

In the context of this description and the appended claims, cell housings directly adjacent to one another are understood in particular to mean that the cell housing walls of the cell housings that are directly adjacent to one another are either in direct material contact or that only an adhesive film and / or an insulating film is arranged between the two directly adjacent cell housings, which prevents direct material contact of the cell housing walls.

In one embodiment of the battery module, it is provided that the cell housings of two adjacent galvanic cells are designed in such a way that the cell housing walls of the two adjacent galvanic cells are spaced apart from one another by means of the spacer elements formed by the cell housing in an at least sectionally, preferably in a ring-shaped closed space delimited by the spacer elements are arranged.

The cell housing walls of the two adjacent galvanic cells are preferably not in contact with one another in the space.

The central areas and / or the transition areas of a respective main side of the cell housing of the two adjacent galvanic cells preferably delimit the intermediate space.

In particular, it is conceivable that the intermediate space is formed between two adjacent galvanic cells, which are located on the main sides of the cell housings of the two facing one another adjacent galvanic cells are essentially concave.

Alternatively, it is conceivable that the space is formed between two adjacent galvanic cells, with a first of the mutually facing main sides of the cell housings of the two adjacent galvanic cells being essentially concave and a second of the mutually facing main sides of the cell housings of the two adjacent galvanic cells Cells is substantially convex.

One embodiment of the battery module provides that one or more additional elements are arranged in the space, for example one or more compensation elements, one or more propagation protection elements, one or more sensor elements and / or one or more temperature control elements.

For example, it is conceivable that sensor elements arranged in the intermediate space include temperature sensors, strain sensors and / or pressure sensors or are formed by them.

• - ein Schichtsilikat, insbesondere Glimmer, Vermiculit und/oder Blähgraphit;
• - Basalt;
• - ein keramisches Material; und/oder
• - eine Silikonmatte mit einem endothermen Füllmaterial.

A propagation protection element of a battery module includes, for example:

• - A sheet silicate, in particular mica, vermiculite and / or expandable graphite;
• - basalt;
• - a ceramic material; and or
• - a silicone mat with an endothermic filling material.

A propagation protection element preferably has a thermal conductivity of at most approximately 1 W / m * K, in particular of at most approximately 0.3 W / m * K, preferably of at most approximately 0.1 W / m * in a direction running parallel to a stacking direction of a battery module. Purchase.

It can be favorable if a propagation protection element has a heat resistance of at least approximately 600 ° C., for example a heat resistance of at least approximately 800 ° C.

By means of one or more temperature control elements arranged in the intermediate space, the galvanic cells adjoining the intermediate space can preferably be tempered, for example cooled.

Preferably, heat can be dissipated from the intermediate space by means of one or more temperature control elements arranged in the intermediate space.

The one or more temperature control elements arranged in the space are preferably designed for active temperature control of the galvanic cells adjoining the gap and / or for passive temperature control of the galvanic cells adjoining the gap.

In the context of this description and the appended claims, active temperature control is understood to mean, in particular, temperature control which is essentially based on convection, in particular on forced convection. Active temperature control is preferably implemented by means of a temperature control fluid flowing through external mechanical action, in particular by means of a temperature control liquid flowing through external mechanical action.

In the context of this description and the appended claims, passive temperature control is understood to mean, in particular, temperature control which takes place essentially through thermal conduction.

Propagation of thermal runaway of a galvanic cell can preferably be delayed and / or prevented by means of one or more propagation protection elements arranged in the space.

Compensation elements are deformable, for example compressible, in a direction running parallel to a stacking direction of a battery module, preferably due to an expansion of the cell housings of two adjacent galvanic cells.

Delamination of cell coils of a respective galvanic cell can preferably be limited or prevented by means of one or more compensation elements.

The one or more compensation elements comprise, for example, a foam material or are formed by this.

In a delivery state of a battery module, the cell housings of two neighboring galvanic cells are preferably preloaded in the stacking direction of the battery module by means of compensation elements arranged in the space. In particular, this enables a pretensioning force to be implemented which preferably counteracts any aging-related expansion of the cell housings of the two adjacent galvanic cells.

In one embodiment of the battery module, it is provided that two adjacent galvanic Cells by means of one or more spacer elements formed by the cell housing of the galvanic cells are positioned or positionable relative to one another in a stacking direction of the battery module in a clear alignment.

In particular, a positioning aid is formed by the spacer elements formed by the cell housing of the galvanic cells.

For example, it is conceivable that facing cell housing walls of cell housings of two adjacent galvanic cells on the main sides of the cell housing each include one or more projections or elevations designed as spacer elements and recesses corresponding to the projections or elevations.

It can be beneficial if the projections or elevations and the recesses are arranged on the main sides of the cell housings of two adjacent galvanic cells in such a way that the galvanic cells can only be positioned in one orientation relative to one another in the stacking direction of the battery module.

• - einen oder mehrere Zellwickel;
• - ein Zellgehäuse, welches einen Aufnahmeraum zur Aufnahme des einen oder der mehreren Zellwickel umfasst;
• - ein oder mehrere Kompensationselemente,

wobei der eine oder die mehreren Zellwickel in dem Aufnahmeraum des Zellgehäuses aufgenommen sind und
wobei das eine oder die mehreren Kompensationselemente in dem Aufnahmeraum des Zellgehäuses angeordnet sind.A galvanic cell according to the invention preferably comprises the following:

• - one or more cell rolls;
• a cell housing which comprises a receiving space for receiving the one or more cell rolls;
• - one or more compensation elements,

wherein the one or more cell rolls are received in the receiving space of the cell housing and
wherein the one or more compensation elements are arranged in the receiving space of the cell housing.

In one embodiment of the galvanic cell it is provided that the one or more compensation elements can be compressed, in particular perpendicular to a main side of the cell housing and / or perpendicular to a center plane of a cell coil of the galvanic cell.

A swelling behavior of two neighboring galvanic cells can preferably be easily compensated for by means of the compensation elements arranged in the receiving space.

A plurality of galvanic cells, which include compensation elements that are arranged within the cell housing of the galvanic cells, can thus preferably be easily mounted in a stacking direction of a battery module, in particular easily braced with one another.

Preferably, a defined loading of one or more cell coils of a respective galvanic cell can be realized with each state of charge and / or with each state of aging of the galvanic cell.

• - einer Steifigkeit eines Zellgehäuses der galvanischen Zelle;
• - auf das Zellgehäuse der galvanischen Zelle wirkenden Spannkräften, insbesondere parallel zu einer Stapelrichtung des Batteriemoduls auf das Zellgehäuse wirkenden Spannkräften;
• - einem Wachstum eines oder mehrerer Zellwickel der galvanischen Zelle.

In particular, a load on one or more cell coils of a respective galvanic cell can be realized independently of one or more of the following factors:

• - A rigidity of a cell housing of the galvanic cell;
• - Tension forces acting on the cell housing of the galvanic cell, in particular tension forces acting on the cell housing parallel to a stacking direction of the battery module;
• - a growth of one or more cell coils of the galvanic cell.

A main side of the cell housing is arranged in a battery module, which comprises a plurality of galvanic cells, preferably perpendicular to a stacking direction of the battery module.

The one or more compensation elements are preferably elastically compressible. Alternatively, it is conceivable that the one or more compensation elements are plastically compressible.

The one or more compensation elements can be used to compensate for a growth of the one or more cell coils of a galvanic cell over the life of the galvanic cell, in particular in a direction perpendicular to a main side of the cell housing of the galvanic cell.

Preferably, by means of the one or more compensation elements arranged in the cell housing of a galvanic cell, a growth of the one or more cell coils of the galvanic cell can be compensated in such a way that a cell housing of the galvanic cell runs in a direction perpendicular to a main side of the cell housing at the end of its service life galvanic cell essentially has a height which corresponds to the height of the cell housing of the galvanic cell in a delivery state of the galvanic cell.

Preferably, due to one or more compensation elements which are arranged within the cell housing of the galvanic cell, a change in the external dimensions of the galvanic cell due to a growth of Cell winding of the galvanic cells can be limited or prevented.

In one embodiment of the galvanic cell, it is provided that the one or more compensation elements in a delivery state of the galvanic cell perpendicular to a center plane of a cell coil of the galvanic cell have a thickness such that the one or more compensation elements arranged within the cell housing of the galvanic cell and cell rolls arranged within the cell housing substantially completely fill a receiving space of the cell housing perpendicular to the center plane of the cell roll of the galvanic cell.

In particular, cavities within the cell housing, in particular parallel to a stacking direction of the battery module, can be prevented by means of one or more compensation elements arranged within a cell housing of a respective galvanic cell.

Delamination of cell coils of a respective galvanic cell can thus preferably be limited or prevented.

Preferably, by means of one or more compensation elements arranged within a cell housing of a respective galvanic cell, an optimal operating state of the galvanic cell can be set over the entire product life of the same.

In one embodiment of the galvanic cell, it is provided that the one or more compensation elements comprise a compressible material or are formed from a compressible material.

In one embodiment of the galvanic cell, it is provided that the compressible material is a foam material.

One embodiment of the galvanic cell provides that one or more of the compensation elements arranged in the receiving space of the cell housing are arranged between two adjacent cell coils of the galvanic cell.

In particular, one or more compensation elements arranged within the cell housing of the galvanic cell are arranged in a stacking direction between two adjacent cell coils of the galvanic cell.

In one embodiment of the galvanic cell it is provided that one or more of the compensation elements arranged in the receiving space of the cell housing are arranged between a cell housing wall of the cell housing and a cell roll of the galvanic cell, in particular in relation to a direction perpendicular to a center plane of the cell roll.

It can be favorable if one or more compensation elements arranged in the receiving space of the cell housing are arranged between a cell housing wall of a main side of the cell housing and a cell coil of the galvanic cell.

One or more of the compensation elements arranged in the receiving space of the cell housing are arranged in particular between a cell housing wall of the cell housing that extends perpendicular to a stacking direction of a battery module and a cell coil of the galvanic cell.

In one embodiment of the galvanic cell it is provided that one or more compensation elements are respectively arranged between the cell housing walls of two main sides of the cell housing of the galvanic cell and one or more cell coils arranged within the cell housing.

In particular, one or more compensation elements are arranged between a cell housing wall of a first main side of the cell housing and a cell coil of the galvanic cell.

Furthermore, one or more compensation elements are preferably arranged between a cell housing wall of a second main side of the cell housing and a cell coil of the galvanic cell.

In one embodiment of the galvanic cell it is provided that a compensation element arranged between two adjacent cell coils of the galvanic cells and / or a compensation element arranged between a cell housing wall of the cell housing and a cell coil of the galvanic cell has a width parallel to a winding direction of the cell coil which is at least approximately corresponds to the width of an intermediate region of the cell roll.

In one embodiment of the galvanic cell, it is provided that one or more of the compensation elements arranged in the receiving space of the cell housing are arranged within one or more cell coils of the galvanic cell.

Winding layers of a respective cell roll are preferably wound around a compensation element in each case.

By wrapping winding layers of a respective cell roll around a respective compensation element, it can preferably be prevented that the winding layers are deflected directly in the area of a common winding line.

In particular, a deflection radius can be increased by winding the winding layers of a respective cell roll around a compensation element.

A deflection radius in a deflection region of a cell roll is preferably at least approximately 0.5 mm, in particular at least approximately 1 mm, for example at least 1.5 mm.

A service life of the galvanic cell can preferably be extended in this case.

In one embodiment of the galvanic cell it is provided that a compensation element of the galvanic cell arranged within a cell roll is arranged essentially parallel to a center plane of the respective cell roll.

In one embodiment of the galvanic cell it is provided that a compensation element of the galvanic cell arranged within a cell roll has a width parallel to a winding direction of the cell roll which essentially corresponds to the width of an intermediate region of the cell roll.

A compensation element of the galvanic cell arranged within a cell roll preferably has a width parallel to the winding direction of the cell roll which corresponds at most approximately to the width of an intermediate region of the cell roll.

In particular, it is conceivable that one or more compensation elements are arranged within all the cell coils of a respective galvanic cell.

Preferably, by means of one or more compensation elements, which are arranged within one or more cell rolls of the galvanic cell, a growth of a respective cell roll, in particular in a direction running perpendicular to a center plane of a cell roll, can be compensated in such a way that the galvanic cell at the end of its service life in the The direction running perpendicular to a center plane of the cell roll essentially has a height which corresponds to the height of the galvanic cell in a delivery state thereof.

In one embodiment of the galvanic cell it is provided that one or more of the compensation elements arranged in the receiving space of the cell housing have a height in a direction running parallel to a common winding line of a cell roll which is essentially the same as the height of the one or more cell rolls of the galvanic cell corresponds.

The one or more cell rolls of the galvanic cell preferably each have a substantially identical height in a direction running parallel to a common winding line of a cell roll.

The galvanic cell according to the invention is particularly suitable for use in a battery module which comprises two or more than two galvanic cells according to the invention.

• - zwei oder mehr als zwei galvanische Zellen, welche jeweils einen oder mehrere Zellwickel umfassen;
• - ein oder mehrere Abstandshalterelemente,

wobei jeweils ein oder mehrere Abstandshalterelemente zwischen zwei benachbarten galvanischen Zellen angeordnet sind.A battery module according to the invention preferably comprises the following:

• - two or more than two galvanic cells, each comprising one or more cell rolls;
• - one or more spacer elements,

one or more spacer elements being arranged between two adjacent galvanic cells.

It can be favorable if a battery module forms a storage battery module.

The galvanic cells of the battery module are preferably arranged along a stacking direction.

Galvanic cells of the battery module arranged along a stacking direction form, in particular, a cell stack.

It can be favorable if the galvanic cells of the battery module are arranged in alignment with one another along the stacking direction.

Preferably, one or more spacer elements are respectively arranged in the stacking direction between the facing cell coils of two galvanic cells that are adjacent in a stacking direction.

The galvanic cells are preferably arranged next to one another in a stacking direction with a main side of the same and / or with a main side of a cell housing of a respective galvanic cell.

Cell coils, facing one another, of two adjacent galvanic cells are preferably each by means of one or more Spacer elements are arranged at a distance from one another, in particular in a stacking direction.

A predetermined distance between the two adjacent galvanic cells can preferably be set by means of one or more spacer elements arranged between two adjacent galvanic cells.

It can be favorable if, by means of the one or more spacer elements, expansion of a respective galvanic cell, in particular a cell housing of the respective galvanic cell, which is based on gas formation due to chemical decomposition of the electrolyte of the galvanic cell, can be essentially prevented and if so an expansion of a respective galvanic cell, in particular a cell housing of the respective galvanic cell, which is based on a growth of the one or more cell coils of the galvanic cell, is nevertheless permitted.

It is preferably conceivable that, due to the limitation of an expansion of a respective galvanic cell, which is based on gas formation, delamination of cell coils of the galvanic cell can be prevented. In particular, aging of the galvanic cell can be delayed.

Preferably, the one or more spacer elements can be used to reduce a pressure on the cell coil of a respective galvanic cell of the battery module, preferably in the area of the common winding lines of two deflection areas of a cell coil. In particular, a decrease in capacity of the galvanic cells of the battery module can be reduced. It can also be beneficial if mechanical overstressing of cell coils of the galvanic cells is avoided by means of the one or more spacer elements.

In one embodiment of the battery module, it is provided that a respective cell roll of the galvanic cells of the battery module comprises two deflection areas in which winding layers of the respective cell winding are deflected, the winding layers having a common winding line in a respective deflection area.

In one embodiment of the battery module, it is provided that the one or more spacer elements are each arranged and / or designed in such a way that, in a stacking direction of the battery module, the introduction of force into the one or more cell coils of a respective galvanic cell can be avoided by means of the spacer elements in the region of a winding line of a respective deflection region of the one or more cell rolls.

By means of the one or more spacer elements, a force flow in a stacking direction of the battery module can be conducted such that preferably no force is exerted on a winding line of a respective deflection area of the one or more cell rolls in the stacking direction.

In one embodiment of the battery module it is provided that a power flow between adjacent galvanic cells in a stacking direction of the battery module exclusively or at least approximately 75%, in particular at least approximately 85%, preferably at least approximately 95%, via the one or more spacer elements he follows.

In one embodiment of the battery module, it is provided that the galvanic cells are prismatic cells, in particular essentially cuboid cells.

In particular, it is conceivable that the galvanic cells are designed according to the PHEV2 format.

It can be advantageous if a cell housing of a respective galvanic cell is prismatic, in particular essentially cuboid.

In one embodiment of the battery module, it is provided that a respective galvanic cell comprises a cell housing in which the one or more cell coils of a respective galvanic cell are arranged.

In one embodiment of the battery module, it is provided that one or more spacer elements are arranged between the cell housings of two adjacent galvanic cells.

In particular, one or more spacer elements are respectively arranged between facing cell housing walls of cell housings of two adjacent galvanic cells.

For example, it can be provided that, in a stacking direction of the battery module, several spacer elements are arranged one behind the other Cell housings of two adjacent galvanic cells are arranged.

Alternatively, it is conceivable that only a single spacer element is arranged between cell housings of two adjacent galvanic cells in a stacking direction of the battery module.

It can also be favorable if a plurality of spacer elements are arranged next to one another perpendicular to a stacking direction of the battery module.

For example, it is conceivable that one or more spacer elements are applied, for example sprayed, to a cell housing of one of the two adjacent galvanic cells by means of an application device. It can also be advantageous if one or more spacer elements are applied, for example sprayed, to both cell housings of the two adjacent galvanic cells by means of an application device.

In particular, it is conceivable that, by means of the application device, spacer elements are applied to the cell housings, which include or are formed from a plastic material, for example silicone and / or polyurethane.

For example, it is conceivable that a bead and / or knobs made of a plastic material are applied, for example sprayed, to the cell housing as spacer elements by means of the application device.

It is in particular conceivable that plastic material applied to the cell housing by means of the application device is applied directly or indirectly to the cell housing.

Plastic material applied indirectly to the cell housing is in particular applied to an insulation film which is applied directly to a cell housing wall of the respective cell housing and / or is connected to it.

In one embodiment of the battery module, it is provided that one or more spacer elements, which are arranged between cell housings of two adjacent galvanic cells, are arranged on a main side of the respective cell housing.

In one embodiment of the battery module, it is provided that one or more spacer elements arranged between two cell housings of two adjacent galvanic cells each comprise or form a frame element and / or an intermediate element.

In one embodiment of the battery module, it is provided that a respective frame element delimits an interior space surrounded by the frame element and the two adjacent cell housings at least in some areas, for example at least on two sides.

By means of a frame element of a respective spacer element, a predetermined distance between two adjacent galvanic cells can preferably be established, in particular on the main sides of the respective cell housings of the galvanic cells facing one another in an edge region.

For example, it is conceivable that exactly one frame element is arranged between two cell housings of two adjacent galvanic cells.

It can be beneficial, for example, if a respective frame element surrounds the space at least on three sides. For example, it is conceivable that a respective frame element is essentially U-shaped.

• - zwei Stützstege, welche parallel zueinander und/oder parallel zu einer gemeinsamen Wickellinie eines Umlenkbereichs eines Zellwickels einer galvanischen Zelle angeordnet sind; und/oder
• - einen oder mehrere Verbindungsstege, wobei die zwei Stützstege mittels des einen oder der mehreren Verbindungsstege verbunden sind.

In one embodiment of the battery module, it is provided that a respective frame element comprises the following:

• two support webs which are arranged parallel to one another and / or parallel to a common winding line of a deflection area of a cell winding of a galvanic cell; and or
• - One or more connecting webs, wherein the two support webs are connected by means of the one or more connecting webs.

Support webs and / or connecting webs of a respective frame element preferably run along an edge region of a respective main side of the two adjacent cell housings.

Preferably, support webs and / or connecting webs of the frame element do not have a sharp edge on a side of the frame element resting against a cell housing.

In particular, it can be provided that edges of support webs and / or connecting webs of the frame element are rounded on a side of the frame element resting against a cell housing.

Stress peaks and / or edge impressions on the cell housing can preferably be avoided.

In one embodiment of the battery module, it is provided that a respective frame element is designed to be closed in an annular manner.

An annularly closed frame element preferably comprises two support webs and two connecting webs.

The two support webs are preferably arranged essentially parallel to one another.

In one embodiment of the battery module, it is provided that the two support webs and / or the one or more connecting webs transversely, in particular perpendicular, to a main direction of extent thereof have a substantially constant width.

As an alternative to this, it is possible that the two support webs and / or the one or more connecting webs have a width that varies transversely, in particular perpendicularly, to a main direction of extent of the same.

In particular, an inner profile of the frame element can be adapted to a swelling behavior of the two adjacent galvanic cells.

A main direction of extent of the two support webs and / or of the one or more connecting webs runs in particular perpendicular to a stacking direction of the battery module.

A main direction of extent of the two support webs preferably runs parallel to a common winding line of a deflection area of a cell coil of a galvanic cell.

In one embodiment of the battery module, it is provided that the width of the two support webs essentially corresponds to the width of the one or more connecting webs.

In one embodiment of the battery module, it is provided that the width of the two support webs is different from the width of the one or more connecting webs.

It can be beneficial, for example, if the width of the one or more connecting webs is greater by a factor of at least approximately 1.5 than the width of the two support webs, for example by a factor of at least approximately 2.

In one embodiment of the battery module, it is provided that the width of the two support webs corresponds approximately to the sum of a wall thickness of a cell housing wall of a cell housing of a galvanic cell, a distance between a cell coil and the cell housing wall of the cell housing and a width of a deflection area of a cell coil.

The dimensions mentioned above preferably relate to a direction running parallel to a winding direction of a cell roll and / or perpendicular to a stacking direction of the battery module.

Preferably, a width of a deflection region of a cell roll corresponds essentially to half a thickness of a cell roll parallel to a stacking direction of the battery module.

In one embodiment of the battery module, it is provided that a projection of a respective support web of a frame element, in particular a region of the support web adjacent to a cell housing of a galvanic cell, along the stacking direction onto a projection plane arranged perpendicular to the stacking direction is a distance from a projection of a respective common winding line having a deflection region of a cell coil of a galvanic cell.

The projection of the support web, in particular of the region of the support web resting against the cell housing, is preferably spaced apart from the projection of the common winding line in a direction running parallel to a winding direction, in particular outward.

The projection of the region of the support web resting on the cell housing preferably does not overlap the projection of the common winding line.

It can furthermore be favorable if a projection of an intermediate element along the stacking direction onto a projection plane arranged perpendicular to the stacking direction is at a distance from a projection of a respective common winding line of a deflection area of a cell coil of a galvanic cell.

The projection of the intermediate element is preferably spaced apart from the projection of the common winding line in a direction running parallel to a winding direction, in particular inward.

In one embodiment of the battery module, it is provided that the support webs of the frame element and / or the connecting webs of the frame element have a constant thickness in a direction running parallel to a stacking direction of the battery module.

In one embodiment of the battery module, it is provided that the support webs of the frame element and / or the connecting webs of the frame element in a parallel to a stacking direction of the Battery module extending direction have a locally varying thickness.

For example, it is conceivable that the supporting webs and / or the connecting webs of the frame element have a first thickness in corner regions in which the supporting webs and the connecting webs are connected to one another.

The support webs and / or the connecting webs of the frame element preferably have a second thickness between two corner regions.

The first thickness can in particular be greater than the second thickness, for example by a factor of 2.

Preferably, a maximum thickness of the frame element, in particular the support webs and / or the connecting webs, parallel to a stacking direction of the battery module corresponds to at least approximately 5%, in particular at least approximately 7.5%, for example at least approximately 10%, a height of a cell housing of the galvanic cell in the stacking direction.

If the support webs and / or the connecting webs of the frame element have a greater thickness in corner areas than outside the corner areas, a force flow between adjacent galvanic cells in a stacking direction can take place essentially over particularly rigid areas of the cell housings of the galvanic cells.

In one embodiment of the battery module, it is provided that the intermediate element is arranged in the interior.

It can be favorable if the intermediate element is arranged completely in the interior.

For example, it is conceivable that the intermediate element fills the interior space to at least approximately 50%, for example at least approximately 75%, preferably at least approximately 95%, in particular completely, in a direction perpendicular to a stacking direction of the battery module.

Alternatively, it is conceivable that the intermediate element is only partially arranged in the interior. The frame element and the intermediate element preferably at least partially overlap in the stacking direction.

For example, it is conceivable that the intermediate element completely overlaps the frame element with the exception of corner regions in which support webs and connecting webs of a frame element are connected to one another. The intermediate element preferably forms a compensation element which can be compressed parallel to a stacking direction of the battery module.

It can also be favorable if the spacer element does not comprise or form an intermediate element.

For example, it is conceivable that only gas, for example air, is arranged in the interior.

It can also be favorable if one or more additional elements are arranged in the interior, for example one or more compensation elements, one or more propagation protection elements, one or more sensor elements and / or one or more temperature control elements.

In one embodiment of the battery module, it is provided that the frame element is made in one piece or in several parts, for example in two parts.

A multi-part frame element comprises, for example, several frame element parts.

It can be favorable if frame element parts can be connected to one another in a force-fitting and / or form-fitting manner, for example by means of a plug connection.

By means of a plug connection, for example, two L-shaped frame element parts can be non-positively and / or positively connected to one another, in particular to produce an annularly closed frame element.

For example, it is conceivable that the frame element comprises only two support webs. Preferably, each support web forms a frame element part.

It can furthermore be favorable if the frame element comprises two frame element parts which are essentially T-shaped in a cross section taken perpendicular to a common winding line of a deflection region of a cell roll of a galvanic cell.

In one embodiment of the battery module, provision is made for two spacer elements, in particular two frame elements, to be arranged between the cell housings of two adjacent galvanic cells.

A spacer element is preferably located on each of the main sides of a cell housing of a respective galvanic cell facing away from one another arranged on the cell housing of the two adjacent galvanic cells.

In parallel to a stacking direction of the battery module, an order is preferably as follows: spacer element, galvanic cell, spacer element, spacer element, galvanic cell, spacer element, spacer element, galvanic cell, spacer element, spacer element, galvanic cell, etc.

In particular, two frame elements are slipped onto a galvanic cell, in particular onto the cell housing of the galvanic cell.

The two frame elements encompass the respective galvanic cell, in particular the cell housing of the galvanic cell, in each case at least approximately in a C-shape.

The two frame elements preferably each include an at least approximately C-shaped receiving section in which a cell housing of a galvanic cell is at least partially received parallel to a stacking direction of the battery module.

The two frame elements preferably each include two support webs and two connecting webs. The two frame elements are preferably closed in a ring.

In particular, it can be provided that the two frame elements preferably each include two or more than two, for example four, fastening projections which protrude from the two support webs and / or the two connecting webs parallel to a stacking direction of the battery module.

Preferably, a fastening projection, in particular a fastening web, protrudes parallel to a stacking direction of the battery module from a support web and / or from a connecting web.

Preferably, a length of the fastening webs essentially corresponds to a length of the supporting webs and / or connecting webs, in particular parallel to a main direction of extent of the supporting webs and / or connecting webs.

The fastening projections and / or fastening webs preferably each surround a cell housing on four sides.

In one embodiment of the battery module, it is provided that the frame element is connected to the intermediate element at least in some areas, in particular in a materially bonded manner.

For example, it is conceivable that the frame element is made in one piece with the intermediate element.

A spacer element which comprises or forms the frame element and the intermediate element is, for example, a one-piece injection-molded component.

For example, it is conceivable that the intermediate element is connected to the frame element only in the area of two support webs.

It can be beneficial if the intermediate element is not connected to the frame element in the area of two connecting webs.

Alternatively, it is conceivable that the intermediate element is connected to the frame element in a closed ring shape. The intermediate element forms a cover element in particular.

An intermediate element which forms a cover element has a constant thickness, for example, parallel to a stacking direction. An intermediate element, which forms a cover element, preferably has a smaller thickness than a frame element, parallel to a stacking direction.

In particular, it is conceivable that the spacer element has a material weakening in a connection area in which the frame element is materially connected to the intermediate element.

As an alternative or in addition to a cohesive connection of the frame element and the intermediate element, it is conceivable that the frame element and the intermediate element are non-positively and / or positively connected to one another.

Alternatively, it is conceivable that the frame element is not connected to the intermediate element.

In one embodiment of the battery module, it is provided that the frame element and the intermediate element comprise materials that are different from one another or are formed from materials that differ from one another.

In one embodiment of the battery module, it is provided that the intermediate element forms a deformable compensation element.

For example, it is conceivable that an intermediate element designed as a deformable compensation element comprises or is formed from a rubber material.

In one embodiment of the battery module, it is provided that the compensation element can be compressed parallel to a stacking direction of the battery module.

An intermediate element designed as a compressible compensation element comprises, in particular, a compressible material, for example a foam material, or is formed from this.

The compressible material of an intermediate element designed as a compressible compensation element is, for example, elastically or plastically compressible.

An intermediate element designed as a compressible compensation element has, for example, parallel to a stacking direction of the battery module when the battery module is new, a maximum thickness which corresponds to a maximum thickness of the frame element.

Alternatively, it is conceivable that an intermediate element designed as a compressible compensation element is preloaded between two adjacent cell housings parallel to the stacking direction of the battery module in a delivery state of the battery module.

For example, it is conceivable that an intermediate element designed as a compressible compensation element is designed in multiple layers in the stacking direction. In particular, the intermediate element designed as a compensation element can be adapted to a swelling behavior of two neighboring galvanic cells.

In one embodiment of the battery module, it is provided that the compensation element comprises one or more deformation elements.

For example, it is conceivable that the intermediate element designed as a deformable compensation element comprises one or more deformation webs which form the deformation elements.

It can be favorable if a deformation web has a U-shaped or V-shaped cross section.

In particular, it is conceivable that a deformation web of an intermediate element designed as a deformable compensation element is connected to two connecting webs of a frame element.

Deformation webs of an intermediate element designed as a deformable compensation element are preferably arranged essentially parallel to support webs of the frame element.

It can also be favorable if the intermediate element designed as a deformable compensation element comprises a plurality of deformable knobs which form the deformation elements.

The deformable knobs are preferably designed to be essentially circular-cylindrical.

The deformable knobs preferably protrude from a base plate parallel to a stacking direction of the battery module, in particular on both sides of the base plate.

Individual or several deformable knobs preferably have a different cross-sectional shape and / or a different diameter, in particular in a cross section taken perpendicular to a stacking direction of the battery module.

It can be favorable if the deformable knobs are arranged in several rows and / or several columns.

For example, it is conceivable that deformable knobs each arranged in a column have an identical cross-sectional shape and / or an identical diameter.

It is also conceivable, for example, that individual or several deformable knobs arranged in a row have a cross-sectional shape that is different from one another and / or a diameter that differs from one another.

The intermediate element designed as a deformable compensation element can preferably be adapted to a swelling behavior of the two adjacent galvanic cells.

In particular, a deformation resistance of the deformable knobs can be set by adapting a diameter of the deformable knobs.

In one embodiment of the battery module, it is provided that an edge region of a spacer element, in particular an annularly closed edge region, is designed in multiple layers, the multilayer edge region forming a frame element.

In particular, it is conceivable that the spacer element comprises a compressible material, for example a foam material.

The compressible material is, for example, elastically or plastically compressible.

It can be favorable if the compressible material is solidified in the multilayer edge area by leveling and / or compacting

In one embodiment of the battery module, it is provided that a respective spacer element, in particular a respective frame element and / or a respective intermediate element, comprise or be formed from a metallic material, a paper material or a plastic material.

For example, it is conceivable that a respective spacer element, in particular a respective frame element and / or a respective intermediate element, comprises silicone or polyurethane or is formed from this.

It can also be favorable if a respective spacer element, in particular a respective frame element and / or a respective intermediate element, comprises or is formed from a fiber-reinforced plastic material, for example glass fiber reinforced polybutylene terephthalate (PBT) or glass fiber reinforced polypropylene (PP).

Alternatively, it is conceivable that a respective spacer element, in particular a respective frame element and / or a respective intermediate element, comprises or is formed from a foam material.

In one embodiment of the battery module it is provided that a power flow between adjacent galvanic cells in a stacking direction of the battery module exclusively or at least approximately 75%, in particular at least approximately 85%, preferably at least approximately 95%, via the frame element of the one or the other several spacer elements takes place.

A flow of force in a stacking direction of the battery module thus preferably takes place essentially via the frame elements.

It can be beneficial if galvanic cells of the battery module are braced along a stacking direction.

For example, it can be provided that all galvanic cells of the battery module are arranged in a stacking direction between two end plates, the two end plates being braced along the stacking direction by means of one or more tensioning elements, so-called “tie rods”.

In one embodiment of the battery module, it is provided that a spacer element arranged between the cell housings of two adjacent galvanic cells, in particular a frame element, is each materially connected, in particular glued, to the cell housings of the two adjacent galvanic cells.

It is particularly conceivable that the frame element is materially connected, in particular glued, to an electrical insulation film, which is applied directly to a cell housing wall of the cell housing and / or connected to it.

As an alternative or in addition to a cohesive connection of the spacer element arranged between the cell housings of two adjacent galvanic cells, in particular the frame element, a non-positive and / or positive connection with one of the two cell housings can also be provided.

For example, it is conceivable that the spacer element arranged between two adjacent galvanic cells, in particular the frame element, is connected to one of the two cell housings in a non-positive and / or form-fitting manner by means of an electrical insulation film, for example by wrapping the spacer element, in particular the frame element, around the Cell housing is fixed with the electrical insulation film on the cell housing.

If the spacer element, in particular the frame element, is non-positively and / or positively connected to one of the two cell housings by means of an electrical insulation film, it can be provided that the spacer element, in particular the frame element, is temporarily attached to a cell housing before the cell housing is wrapped with the electrical insulation film Cell housing wall of the cell housing is attached, for example by means of an adhesive material.

In one embodiment of the battery module, it is provided that the spacer element arranged between the cell housings of two adjacent galvanic cells, in particular a frame element of the spacer element, is arranged in each case by means of an adhesive film which is arranged between a main side of a cell housing of a respective galvanic cell and the spacer element, in particular the frame element is glued to the cell housings of the two neighboring galvanic cells.

It can be particularly advantageous if the adhesive film forms a propagation protection element.

In one embodiment of the battery module, it is provided that all of the spacer elements of the battery module which are arranged between two cell housings of two adjacent galvanic cells are identical.

Preferably, all frame elements arranged between two cell housings of two adjacent galvanic cells are designed identically.

In one embodiment of the battery module, it is provided that the frame element and / or the intermediate element each comprise or form a temperature control element.

The frame element and / or the intermediate element are preferably designed for active temperature control and / or for passive temperature control.

By means of the frame element and / or by means of the intermediate element, heat can preferably be dissipated from the two adjacent galvanic cells between which the spacer element is arranged.

It can also be favorable if the two adjacent galvanic cells, between which the spacer element is arranged, can be supplied with heat by means of the frame element and / or by means of the intermediate element.

It can be favorable if the frame element and / or the intermediate element each comprise one or more heat conducting elements which protrude away from the frame element and / or from the intermediate element in a stacking direction of the battery module.

For example, it is conceivable that the spacer element, in particular the frame element and / or the intermediate element, has an anisotropic thermal conductivity.

A thermal conductivity of the spacer element, in particular of the frame element and / or the intermediate element, in a stacking direction of the battery module is preferably less than a thermal conductivity of the same perpendicular to the stacking direction of the battery module.

The spacer element, in particular the frame element and / or the intermediate element, is preferably designed as a heat insulator in a stacking direction of the battery module.

It can also be favorable if the spacer element, in particular the frame element and / or the intermediate element, is designed as a heat conductor perpendicular to a stacking direction of the battery module.

In one embodiment of the battery module, it is provided that the battery module comprises a battery module housing in which the galvanic cells of the battery module are arranged.

The battery module according to the invention preferably has one or more of the features and / or advantages described in connection with the galvanic cells according to the invention.

The galvanic cells according to the invention preferably also have one or more of the features and / or advantages described in connection with the battery module according to the invention.

The present invention also relates to a method for attaching spacer elements to a galvanic cell.

The present invention is based on the further object of providing a method for attaching spacer elements to a galvanic cell, by means of which spacer elements can be attached to a galvanic cell in a simple and inexpensive manner.

This object is achieved by the features of the independent method claim.

• - Bereitstellen einer galvanischen Zelle, welche einen oder mehrere Zellwickel umfasst;
• - Aufbringen eines oder mehrerer Abstandshalterelemente aus einem gießfähigen, spritzfähigen und/oder druckfähigen Material auf ein Zellgehäuse der galvanischen Zelle.

The method for attaching spacer elements to a galvanic cell preferably comprises the following:

• - Provision of a galvanic cell which comprises one or more cell rolls;
• - Applying one or more spacer elements made of a pourable, sprayable and / or printable material to a cell housing of the galvanic cell.

• - mittels eines Gießverfahrens;
• - mittels eines Spritzverfahrens;
• - mittels eines Druckverfahrens.

In one embodiment of the method for attaching spacer elements to a galvanic cell, it is provided that the one or more spacer elements are applied to the cell housing of the galvanic cell by means of one or more of the following application methods:

• - by means of a casting process;
• - by means of a spraying process;
• - by means of a printing process.

The casting process is, for example, a slip casting process or a film casting process.

• - mittels eines Siebdruckverfahrens;
• - mittels eines Schablonendruckverfahrens.

In one embodiment of the method for attaching spacer elements to a galvanic cell, it is provided that the one or more spacer elements are applied to the cell housing of the galvanic cell using one or more of the following printing methods:

• - by means of a screen printing process;
• - by means of a stencil printing process.

In one embodiment of the method for attaching spacer elements to a galvanic cell, it is provided that the pourable, injectable and / or printable material comprises a base material and spacer particles arranged in the base material.

The spacer particles are preferably applied to the cell housing of the galvanic cell together with the base material.

The spacer particles are, for example, essentially spherical.

It can be favorable if the spacer particles have a diameter in the range from approximately 0.5 mm to approximately 1.5 mm.

For example, it is conceivable that the spacer particles are glass beads.

The spacer particles preferably have a higher compressive strength than the base material.

In one embodiment of the method for attaching spacer elements to a galvanic cell, it is provided that one or more propagation protection elements and / or one or more compensation elements made of a pourable, sprayable and / or printable material are applied to the cell housing of the galvanic cell.

In one embodiment of the method for attaching spacer elements to a galvanic cell, it is provided that the one or more spacer elements are applied to the cell housing of the galvanic cell with an application device.

It can be favorable if the application device comprises an application nozzle, through which sprayable and / or printable material can be applied to the cell housing of the galvanic cell.

The application device preferably further comprises a conveying device, by means of which the injectable and / or printable material can be fed to an application nozzle of the application device.

The conveying device is, for example, a gear metering device.

In one embodiment of the method for attaching spacer elements to a galvanic cell, provision is made for the one or more spacer elements to be applied to the cell housing of the galvanic cell with a locally varying thickness.

In one embodiment of the method for attaching spacer elements to a galvanic cell, provision is made for the one or more spacer elements to be applied directly or indirectly to the cell housing of the galvanic cell.

If the one or more spacer elements are applied directly to the cell housing of the galvanic cell, these are in particular applied directly to a cell housing wall of the cell housing.

If the one or more spacer elements are applied indirectly to the cell housing of the galvanic cell, they are preferably applied to an electrical insulation film arranged on a cell housing wall of the cell housing.

In one embodiment of the method for attaching spacer elements to a galvanic cell, it is provided that several layers of the pourable, sprayable and / or printable material are applied to the cell housing of the galvanic cell in succession.

In one embodiment of the method for attaching spacer elements to a galvanic cell, it is provided that the pourable, injectable and / or printable material comprises or is formed by polyurethane and / or silicone.

In one embodiment of the method for attaching spacer elements to a galvanic cell, provision is made for a bead and / or knobs to be applied, for example sprayed, to the cell housing of the galvanic cell as spacer elements.

In one embodiment of the method for attaching spacer elements to a galvanic cell, it is provided that the pourable, sprayable and / or printable material is applied to the cell housing of the galvanic cell through a template.

• - Bereitstellen von zwei oder mehr als zwei galvanischen Zellen, an welchen Abstandshalterelemente durch das erfindungsgemäße Verfahren zum Anbringen von Abstandshalterelementen an einer galvanischen Zelle angebracht sind;
• - Stapeln der galvanischen Zellen entlang einer Stapelrichtung.

The present invention also relates to a method for producing a battery module, which comprises:

• Provision of two or more than two galvanic cells to which spacer elements are attached by the method according to the invention for attaching spacer elements to a galvanic cell;
• - Stacking the galvanic cells along a stacking direction.

The galvanic cells are preferably stacked along the stacking direction in such a way that the cell housings of two adjacent galvanic cells are spaced apart from one another by means of the spacer elements applied to them.

The method according to the invention for attaching spacer elements to a galvanic cell preferably has one or more of the features and / or advantages described in connection with the battery modules and / or galvanic cells according to the invention.

The galvanic cells and / or battery modules according to the invention preferably also have one or more of the features and / or advantages described in connection with the method according to the invention for attaching spacer elements to a galvanic cell.

Further features and / or advantages of the invention are the subject matter of the following description and the graphic representation of exemplary embodiments.

• 1 eine schematische perspektivische Darstellung einer Ausführungsform eines Batteriemoduls;
• 2 eine schematische perspektivische Explosionsdarstellung der Ausführungsform des Batteriemoduls aus 1;
• 3 eine schematische perspektivische Darstellung eines Abstandshalterelements der Ausführungsform des Batteriemoduls aus 1;
• 4 eine schematische Schnittdarstellung einer galvanischen Zelle und eines Abstandshalterelements der Ausführungsform des Batteriemoduls aus 1;
• 5 eine schematische Schnittdarstellung zweier benachbarter galvanischer Zellen und eines zwischen den zwei benachbarten galvanischen Zellen angeordneten Abstandshalterelements der Ausführungsform des Batteriemoduls aus 1;
• 6 eine schematische perspektive Darstellung eines Abstandshalterelements einer weiteren Ausführungsform eines Batteriemoduls;
• 7 eine schematische perspektive Darstellung eines Abstandshalterelements einer weiteren Ausführungsform eines Batteriemoduls;
• 8 eine schematische perspektive Darstellung eines Abstandshalterelements einer weiteren Ausführungsform eines Batteriemoduls;
• 9 eine schematische perspektive Darstellung eines Abstandshalterelements einer weiteren Ausführungsform eines Batteriemoduls;
• 10 eine schematische perspektive Darstellung eines Abstandshalterelements einer weiteren Ausführungsform eines Batteriemoduls;
• 11 eine schematische perspektive Darstellung eines Abstandshalterelements einer weiteren Ausführungsform eines Batteriemoduls;
• 12 eine schematische Schnittdarstellung zweier benachbarter galvanischer Zellen und zweier zwischen den zwei benachbarten galvanischen Zellen angeordneter Abstandshalterelemente einer weiteren Ausführungsform eines Batteriemoduls;
• 13 eine schematische perspektivische Darstellung eines Abstandshalterelements einer weiteren Ausführungsform eines Batteriemoduls;
• 14 eine schematische Schnittdarstellung eines Schnitts entlang der Linie XIV-XIV in 13;
• 15 eine der Schnittdarstellung aus 14 entsprechende Schnittdarstellung eines Abstandshalterelements einer weiteren Ausführungsform eines Batteriemoduls;
• 16 eine der Schnittdarstellung aus 14 entsprechende Schnittdarstellung eines Abstandshalterelements einer weiteren Ausführungsform eines Batteriemoduls;
• 17 eine schematische Schnittdarstellung einer galvanischen Zelle und eines Abstandshalterelements einer weiteren Ausführungsform eines Batteriemoduls;
• 18 eine schematische perspektivische Darstellung eines Abstandshalterelements einer weiteren Ausführungsform eines Batteriemoduls;
• 19 eine schematische Schnittdarstellung eines Schnitts entlang der Linie XIX-XIX in 18;
• 20 eine schematische perspektivische Darstellung eines Abstandshalterelements einer weiteren Ausführungsform eines Batteriemoduls;
• 21 eine schematische Schnittdarstellung eines Schnitts entlang der Linie XXI-XXI in 20;
• 22 eine schematische perspektivische Darstellung eines Abstandshalterelements einer weiteren Ausführungsform eines Batteriemoduls;
• 23 eine schematische perspektivische Explosionsdarstellung des Abstandshalterelements aus 22;
• 24 eine schematische Draufsicht auf das Abstandshalterelement aus 22 bei Blick in Richtung des Pfeils 24 in 22;
• 25 eine schematische Schnittdarstellung eines Schnitts entlang der Linie XXV-XXV in 24;
• 26 eine der Schnittdarstellung aus 25 entsprechende Schnittdarstellung, wobei ein Rahmenelement und/oder ein Zwischenelement des Abstandshalterelements verformt sind;
• 27 eine schematische perspektivische Darstellung eines Abstandshalterelements einer weiteren Ausführungsform eines Batteriemoduls;
• 28 eine schematische Schnittdarstellung einer galvanischen Zelle und eines Abstandshalterelements einer weiteren Ausführungsform eines Batteriemoduls;
• 29 eine schematische perspektivische Darstellung eines Abstandshalterelements einer weiteren Ausführungsform eines Batteriemoduls;
• 30 eine schematische Schnittdarstellung eines Schnitts entlang der Linie XXX-XXX in 29;
• 31 eine schematische perspektivische Darstellung eines Abstandshalterelements einer weiteren Ausführungsform eines Batteriemoduls;
• 32 eine schematische Schnittdarstellung eines Schnitts entlang der Linie XXXII-XXXII in 31;
• 33 eine schematische perspektivische Darstellung eines Abstandshalterelements einer weiteren Ausführungsform eines Batteriemoduls;
• 34 eine schematische Schnittdarstellung eines Schnitts entlang der Linie XXXIV-XXXIV in 33;
• 35 eine schematische perspektivische Darstellung eines Abstandshalterelements einer weiteren Ausführungsform eines Batteriemoduls;
• 36 eine schematische Schnittdarstellung eines Schnitts entlang der Linie XXXVI-XXXVI in 35;
• 37 eine schematische perspektivische Darstellung einer galvanischen Zelle einer weiteren Ausführungsform eines Batteriemoduls;
• 38 eine schematische perspektivische Darstellung einer galvanischen Zelle einer weiteren Ausführungsform eines Batteriemoduls;
• 39 eine schematische perspektivische teilgeschnittene Darstellung einer Ausführungsform einer galvanischen Zelle;
• 40 eine schematische Schnittdarstellung zweier galvanischer Zellen gemäß der Ausführungsform aus 37;
• 41 eine schematische Schnittdarstellung dreier galvanischer Zellen gemäß einer weiteren Ausführungsform;
• 42 eine schematische Schnittdarstellung dreier galvanischer Zellen gemäß einer weiteren Ausführungsform;
• 43 eine schematische Schnittdarstellung einer weiteren Ausführungsform einer galvanischen Zelle;
• 44 eine schematische Schnittdarstellung einer weiteren Ausführungsform einer galvanischen Zelle; und
• 45 eine schematische Schnittdarstellung einer weiteren Ausführungsform einer galvanischen Zelle.

In the drawings show:

• 1 a schematic perspective illustration of an embodiment of a battery module;
• 2 a schematic perspective exploded view of the embodiment of the battery module 1 ;
• 3 a schematic perspective illustration of a spacer element of the embodiment of the battery module 1 ;
• 4th a schematic sectional view of a galvanic cell and a spacer element of the embodiment of the battery module 1 ;
• 5 a schematic sectional illustration of two adjacent galvanic cells and a spacer element of the embodiment of the battery module arranged between the two adjacent galvanic cells 1 ;
• 6 a schematic perspective illustration of a spacer element of a further embodiment of a battery module;
• 7th a schematic perspective illustration of a spacer element of a further embodiment of a battery module;
• 8th a schematic perspective illustration of a spacer element of a further embodiment of a battery module;
• 9 a schematic perspective illustration of a spacer element of a further embodiment of a battery module;
• 10 a schematic perspective illustration of a spacer element of a further embodiment of a battery module;
• 11 a schematic perspective illustration of a spacer element of a further embodiment of a battery module;
• 12 a schematic sectional view of two adjacent galvanic cells and two spacer elements of a further embodiment of a battery module arranged between the two adjacent galvanic cells;
• 13 a schematic perspective illustration of a spacer element of a further embodiment of a battery module;
• 14th a schematic sectional illustration of a section along the line XIV-XIV in 13 ;
• 15th one of the sectional view 14th corresponding sectional illustration of a spacer element of a further embodiment of a battery module;
• 16 one of the sectional view 14th corresponding sectional illustration of a spacer element of a further embodiment of a battery module;
• 17th a schematic sectional view of a galvanic cell and a spacer element of a further embodiment of a battery module;
• 18th a schematic perspective illustration of a spacer element further embodiment of a battery module;
• 19th a schematic sectional illustration of a section along the line XIX-XIX in 18th ;
• 20th a schematic perspective illustration of a spacer element of a further embodiment of a battery module;
• 21st a schematic sectional illustration of a section along the line XXI-XXI in 20th ;
• 22nd a schematic perspective illustration of a spacer element of a further embodiment of a battery module;
• 23 a schematic perspective exploded view of the spacer element 22nd ;
• 24 a schematic plan view of the spacer element 22nd when looking in the direction of arrow 24 in 22nd ;
• 25th a schematic sectional illustration of a section along the line XXV-XXV in 24 ;
• 26th one of the sectional view 25th corresponding sectional view, wherein a frame element and / or an intermediate element of the spacer element are deformed;
• 27 a schematic perspective illustration of a spacer element of a further embodiment of a battery module;
• 28 a schematic sectional view of a galvanic cell and a spacer element of a further embodiment of a battery module;
• 29 a schematic perspective illustration of a spacer element of a further embodiment of a battery module;
• 30th a schematic sectional illustration of a section along the line XXX-XXX in 29 ;
• 31 a schematic perspective illustration of a spacer element of a further embodiment of a battery module;
• 32 a schematic sectional illustration of a section along the line XXXII-XXXII in 31 ;
• 33 a schematic perspective illustration of a spacer element of a further embodiment of a battery module;
• 34 a schematic sectional view of a section along the line XXXIV-XXXIV in 33 ;
• 35 a schematic perspective illustration of a spacer element of a further embodiment of a battery module;
• 36 a schematic sectional illustration of a section along the line XXXVI-XXXVI in 35 ;
• 37 a schematic perspective illustration of a galvanic cell of a further embodiment of a battery module;
• 38 a schematic perspective illustration of a galvanic cell of a further embodiment of a battery module;
• 39 a schematic perspective partially sectioned illustration of an embodiment of a galvanic cell;
• 40 a schematic sectional view of two galvanic cells according to the embodiment 37 ;
• 41 a schematic sectional illustration of three galvanic cells according to a further embodiment;
• 42 a schematic sectional illustration of three galvanic cells according to a further embodiment;
• 43 a schematic sectional view of a further embodiment of a galvanic cell;
• 44 a schematic sectional view of a further embodiment of a galvanic cell; and
• 45 a schematic sectional view of a further embodiment of a galvanic cell.

Identical or functionally equivalent elements are provided with the same reference symbols in all figures.

1 shows one as a whole with 100 designated battery module.

The battery module 100 preferably comprises two or more than two galvanic cells 102 .

The galvanic cells 102 are preferably along a stacking direction of the battery module 100 arranged, which in 1 by an arrow 104 is marked.

The ones along the stacking direction 104 arranged galvanic cells 102 of the battery module 100 in particular form a cell stack.

In the 1 to 36 The illustrated embodiments of a battery module are the galvanic cells 102 preferably designed according to the PHEV2 format.

The galvanic cells 102 are preferably prismatic cells, in particular essentially cuboid cells.

The galvanic cells preferably comprise 102 one cell housing each 106 .

It can be beneficial if the galvanic cells 102 of the battery module 100 along the stacking direction 104 are tense.

For example, it can be provided that all galvanic cells 102 of the battery module 100 in the stacking direction 104 are arranged between two end plates, not shown in the drawing, the two end plates by means of several clamping elements 108 , what a 1 are only shown schematically by means of dash-dotted lines, along the stacking direction 104 are tense. The clamping elements 108 are for example so-called "tie rods".

The battery module 100 preferably comprises a battery module housing, not shown in the drawings, in which the galvanic cells 102 of the battery module 100 are arranged.

A respective galvanic cell 102 preferably comprises two cell rolls 110 ("Jelly rolls"), which for example in the 4th and 5 are shown.

The cell housing 106 a respective galvanic cell 102 preferably comprises or forms a receiving space 112 .

It can be beneficial if the two cell wraps 110 a respective galvanic cell 102 in the recording room 112 are included.

Preferably the galvanic cells are 102 of the battery module secondary cells. The galvanic cells 102 are therefore preferably rechargeable galvanic cells 102 .

The battery module 100 thus forms in particular an accumulator module.

A respective galvanic cell 102 and / or a cell housing 106 a respective galvanic cell 102 preferably comprise two main pages 114 and four secondary pages 116 . Preferably the two main pages are 114 and / or two secondary pages 116 on opposite sides of a respective galvanic cell 102 and / or a cell housing 106 a respective galvanic cell 102 arranged.

In particular, there is a main page in each case 114 a galvanic cell 102 and / or a cell housing 106 the galvanic cell 102 a main page 114 another galvanic cell 102 and / or a cell housing 106 the further galvanic cell 102 facing.

It can be beneficial if the two cell wraps 110 of the galvanic cells 102 are arranged essentially parallel to one another.

The cell wrap 110 a galvanic cell 102 of the battery module 100 are preferably flat wraps.

A respective cell wrap 110 of the galvanic cells 102 of the battery module 100 in particular comprises several winding layers.

Preferably, the winding layers of a respective cell roll 110 arranged essentially parallel to one another.

The cell wrap 110 preferably comprises a winding layer web which forms the winding layers. The winding layers are preferably formed by winding up the winding layer web. In particular, it is conceivable here for a single winding layer web to have all winding layers of a respective cell roll 110 includes or forms.

A respective cell wrap 110 a galvanic cell 102 preferably comprises two deflection areas 118 , in which winding layers of the respective cell roll 110 are deflected, the winding layers in a respective deflection area 118 a common winding line 120 exhibit.

In the respective deflection area 118 of the cell roll 110 are winding layers of the cell winding 102 preferably deflected, in particular by approximately 180 °.

The wrap lines 120 of the two deflection areas 118 of a respective cell roll 110 are preferably arranged essentially parallel to one another.

In particular, there is a respective cell roll 110 of the galvanic cells 102 in a deflection area 118 axially symmetrical to the common winding line 120 educated.

In particular, it is conceivable that the winding layers of the respective cell roll 110 in a respective deflection area 118 in one perpendicular to the common wrapping line 120 taken cross-section are arranged substantially semicircular.

Winding layers of a respective cell winding 110 are in one between the two deflection areas 118 of the cell roll 110 arranged intermediate area 122 of the cell roll 110 preferably essentially parallel to a center plane of the cell roll, not shown in the drawings 110 arranged.

It can be beneficial if the common winding line 120 of a respective deflection area of a cell roll in the center plane of a cell roll 110 is arranged.

The stacking direction 104 of the battery module 100 preferably runs essentially perpendicular to a center plane of the cell coil 110 of the galvanic cells 102 of the battery module 100 .

It can be beneficial if the common winding line 120 of winding layers of the respective cell winding 110 in a respective deflection area 118 of the cell roll 110 in one perpendicular to the common wrapping line 120 taken cross section a common center point of semicircular arranged winding layers of the cell roll 110 forms.

One by means of an arrow 124 shown winding direction of a respective cell roll 110 runs preferably perpendicular to the common winding lines 120 of the two deflection areas 118 of the respective cell roll 110 and in particular perpendicular to the stacking direction 104 .

A winding layer of a respective cell roll 110 preferably comprises a plurality of layers, for example two electrode layers and two separator layers.

It can be particularly favorable if electrode layers and separator layers are each arranged alternately in a winding layer.

A layer sequence in a winding layer of a cell roll 110 is thus preferably as follows: separator layer, electrode layer, separator layer, electrode layer.

The electrode layers preferably comprise an electrically conductive material or are formed from this, for example aluminum or copper.

The separator layers preferably comprise or are formed from an electrical insulating material, for example polyethylene and / or polypropylene.

The ones in the 1 to 5 illustrated embodiment of a battery module 100 preferably further comprises a plurality of spacer elements 126 .

Preferably in the 1 to 5 illustrated embodiment of a battery module 100 one spacer element each 126 between two neighboring galvanic cells 102 arranged, in particular between the cell housings 106 of the two neighboring galvanic cells.

Cell rolls facing one another are preferably used 110 of two neighboring galvanic cells 102 each by means of a spacer element 126 in the stacking direction 126 arranged spaced from each other.

By means of the spacer elements 126 is preferably a predetermined distance between two neighboring galvanic cells 102 adjustable.

Preferably by means of the spacer elements 126 an expansion of the galvanic cells 102 , especially the cell housing 106 of the galvanic cells 106 , which is based on gas formation due to chemical decomposition of the electrolyte, is essentially prevented.

Preferably by means of the spacer elements 126 furthermore an expansion of the galvanic cells 102 , especially the cell housing 106 of the galvanic cells 102 which is based on a growth of the cell wrap 110 of the galvanic cells 102 based, nevertheless approved.

It is preferably conceivable that, due to the limitation of expansion of the galvanic cells 102 , which is based on gas formation, delamination of the cell wrap 110 of the galvanic cells 102 can be prevented. In particular, the galvanic cells will age 102 delayed.

Preferably by means of the spacer elements 126 a pressure on the cell wrap 110 of the galvanic cells 102 of the battery module 100 reducible. In particular, there is a decrease in capacity of the galvanic cells 102 of the battery module 100 reducible. It can also be beneficial if the cell coil is mechanically overstressed 110 of the galvanic cells 102 by means of the spacer elements 126 is avoided.

The spacer elements 126 are preferably arranged and / or designed in such a way that force is introduced into the cell roll 110 of the galvanic cells 102 in the stacking direction 104 of the battery module 100 is avoidable, especially in the area of a common winding line 120 the deflection areas 118 the cell wrap 110 .

By means of the spacer elements 126 is a force flow in the stacking direction 104 of the battery module 100 preferably conductive in such a way that there is preferably no force on a common winding line in the stacking direction 120 the deflection areas 118 the cell wrap 110 is exercised.

The 2 and 5 show that each has a spacer element 126 between facing cell housing walls 132 the cell housing 106 two neighboring galvanic cells 102 is arranged.

The spacer elements 126 are in particular each on a main page 114 the cell housing 106 arranged.

In the 1 to 5 illustrated embodiment of a battery module 100 comprise or form the spacer elements 126 preferably only one frame element in each case 134 .

By means of the frame elements 134 is preferably a predetermined distance between two neighboring galvanic cells 102 can be fixed to one another, in particular on an edge region of the main pages facing one another 114 the respective cell housing 106 of the galvanic cells 102 .

The frame elements 134 are preferably each made in one piece.

In particular, all are between two cell housings 106 two neighboring galvanic cells 102 arranged frame elements 134 of the battery module 100 designed identically.

5 shows a force flow through the frame elements 134 , which by means of a solid line 128 is marked.

A power flow thus preferably does not take place essentially along the dashed line 130 in 5 .

It can be beneficial if there is a flow of force between neighboring galvanic cells 102 in the stacking direction 104 of the battery module 100 essentially about the frame elements 134 he follows.

There is preferably a flow of force between adjacent galvanic cells 102 in the stacking direction 104 of the battery module 100 exclusively or at least approximately 75%, in particular at least approximately 85%, preferably at least approximately 95%, via the frame elements 134 .

The frame elements 134 preferably comprise a fiber-reinforced plastic material or are formed from this, for example glass fiber reinforced polybutylene terephthalate (PBT) or glass fiber reinforced polypropylene (PP).

Preferably one is between cell housings 106 two neighboring galvanic cells 102 arranged frame element 134 each with the cell housing 106 of the two neighboring galvanic cells 102 firmly connected, in particular glued.

It is particularly conceivable that the frame element 134 with an electrical insulation film (not shown in the drawing) cohesively connected, in particular glued, which is directly attached to a cell housing wall 132 of the cell housing 106 applied and / or connected to this.

A respective frame element 134 is preferably in each case by means of an adhesive film 136 , each between a main page 114 a cell housing 106 a respective galvanic cell 102 and the frame element 134 is arranged with the cell housings 106 two neighboring galvanic cells 102 glued.

The frame elements 134 preferably each delimit one of a frame element 134 and two adjacent cell housings 106 surrounding interior 138 .

In the 1 to 5 illustrated embodiment of the battery module 100 is in the interior 138 preferably only gas, for example air, is arranged.

The frame element 134 preferably comprises two support webs 140 and two connecting bars 142 .

The two support webs are preferably 140 parallel to each other and / or parallel to a common winding line 120 of a deflection area 118 a cell roll 110 a galvanic cell 102 arranged.

It can be beneficial if the two support webs 140 by means of the two connecting webs 142 are connected.

The frame elements 134 are preferably formed in a closed ring shape.

The two support bars 140 are preferably arranged essentially parallel to one another.

It can also be favorable if the connecting webs 142 are arranged essentially parallel to one another.

The support webs preferably run 140 and / or the connecting webs 142 of a respective frame element 134 along an edge area of a respective main page 114 two neighboring cell housings 106 .

It can be beneficial if the support webs 140 and / or the connecting webs 142 the frame elements 134 on one on a respective cell housing 106 adjacent side of the frame element 134 do not have a sharp edge.

In particular, it can be provided that edges of the support webs 140 and / or the connecting webs 142 of the frame element 134 on one on a respective cell housing 106 adjacent side of the frame element 134 are rounded.

Preferably, stress peaks and / or edge impressions can occur on the cell housing 106 be avoided.

The two support bars 140 and / or the two connecting webs 142 preferably have a substantially constant width perpendicular to a main direction of extent thereof 144 on.

For example, it is conceivable that the width 144 of the two support bars 140 essentially the width 144 of the two connecting bridges 142 corresponds.

The width 144 of the two support bars 140 of a frame element 134 preferably corresponds approximately to a sum of a wall thickness 150 the cell housing wall 132 a cell housing 106 a galvanic cell 102 , a distance 152 a cell roll 110 to the cell housing wall 132 of the cell housing 106 and a width 154 of a deflection area 118 a cell roll 102 .

Preferably the width corresponds 154 of a deflection area 118 a cell roll 110 essentially half a thickness 156 a cell roll 110 parallel to a stacking direction of the battery module.

The dimensions mentioned above preferably relate to one parallel to the winding direction 124 a cell roll 102 and / or perpendicular to the stacking direction 104 of the battery module 100 running direction, in particular measured in a central plane of a respective cell roll 102 .

The main direction of extent of the two support webs 140 and / or the two connecting webs 142 runs in particular perpendicular to the stacking direction 104 of the battery module 102 .

The main direction of extent of the two support webs 140 preferably runs parallel to a common winding line 120 of a deflection area 118 a cell roll 110 of the galvanic cells 102 .

It can be beneficial if the support webs 140 of the frame element 134 and / or the connecting webs 142 of the frame element 134 in a parallel to the stacking direction 104 of the battery module 100 running direction a constant thickness 146 exhibit.

Preferably corresponds to a maximum thickness 146 of the frame element 134 , especially the support bars 140 and / or the connecting webs 142 , at least about 5%, in particular at least about 7.5%, for example at least about 10%, of a height 148 a cell housing 106 of the galvanic cells 102 in the stacking direction 104 .

It can be beneficial if a projection of a respective support web 140 of a frame element 134 , especially one on the cell housing 106 a galvanic cell 102 adjacent area of the support web 140 , along the stacking direction 104 on a perpendicular to the stacking direction 104 arranged projection plane a distance from a projection of a respective common winding line 120 of a deflection area 118 a cell roll 110 a galvanic cell 102 having.

The projection of the support web is preferred 140 , especially the one on the cell housing 106 adjacent area of the support web 140 , parallel to a winding direction 124 from the projection of the common winding line 120 spaced, especially to the outside.

The projection of the on the cell housing 106 adjacent area of the support web 140 overlaps the projection of the common winding line 120 preferably not.

An in 6 illustrated spacer element 126 , in particular a frame element 134 , an embodiment of a battery module 100 differs from that in the 1 to 5 spacer element shown 126 an embodiment of a battery module 100 in the Essentially in that the frame element 134 is formed in several parts, in particular in two parts.

The frame element 134 comprises in particular two frame element parts 158 .

The two frame element parts 158 are preferably non-positively and / or positively connectable to one another, for example by means of a plug connection not shown in the drawing.

The two frame element parts are, for example, L-shaped and are used to produce an annularly closed frame element 134 connectable to each other.

Incidentally, that's true in 6 spacer element shown 126 , especially the frame element 134 , the embodiment of a battery module 100 in terms of structure and function with the 1 to 5 spacer element shown 126 an embodiment of a battery module 100 so that reference is made to its description above.

An in 7th illustrated spacer element 126 , in particular a frame element 134 , an embodiment of a battery module 100 differs from the one in 6 spacer element shown 126 an embodiment of a battery module 100 essentially in that the frame element 134 essentially only two support webs 140 includes.

Preferably each forms a support web 140 each a frame element part 158 .

The two frame element parts 158 are in a perpendicular to a common winding line 120 of a deflection area 118 a cell roll 110 a galvanic cell 102 taken cross-section is preferably formed substantially T-shaped.

The two frame element parts 158 each include stop elements arranged perpendicular to the support webs 160 .

It can be beneficial if the stop elements 160 for positioning the frame element parts 158 to an adjacent page 116 a cell housing 106 a respective galvanic cell 102 can be applied.

Incidentally, that's true in 7th spacer element shown 126 , especially the frame element 134 , the embodiment of a battery module 100 in terms of structure and function with the in 6 spacer element shown 126 an embodiment of a battery module 100 so that reference is made to its description above.

An in 8th illustrated spacer element 126 , in particular a frame element 134 , an embodiment of a battery module 100 differs from that in the 1 to 5 spacer element shown 126 an embodiment of a battery module 100 essentially in that the frame element 134 only a single connecting bridge 142 includes.

The frame element 134 is in particular not a ring-shaped closed frame element 134 .

The frame element 134 is preferably substantially U-shaped and surrounds the interior 138 preferably at least three-sided.

Incidentally, that's true in 8th spacer element shown 126 , especially the frame element 134 , the embodiment of a battery module 100 in terms of structure and function with the 1 to 5 spacer element shown 126 an embodiment of a battery module 100 so that reference is made to its description above.

An in 9 illustrated spacer element 126 , in particular a frame element 134 , an embodiment of a battery module 100 differs from that in the 1 to 5 spacer element shown 126 an embodiment of a battery module 100 essentially by having the width 144 of the two support bars 140 from the breadth 144 of the two connecting bridges 142 is different.

The width 144 of the two connecting bridges 142 is, for example, greater than the width by a factor of at least about 1.5 144 of the two support bars 140 , for example by a factor of at least about 2.

Incidentally, that's true in 9 spacer element shown 126 , especially the frame element 134 , the embodiment of a battery module 100 in terms of structure and function with the 1 to 5 spacer element shown 126 an embodiment of a battery module 100 so that reference is made to its description above.

An in 10 illustrated spacer element 126 , in particular a frame element 134 , an embodiment of a battery module 100 differs from that in the 1 to 5 spacer element shown 126 an embodiment of a battery module 100 essentially because the support webs 140 and / or the connecting webs 142 of the frame element 134 in a parallel to the stacking direction 104 of the battery module 100 running direction a locally varying thickness 146 exhibit.

The support bars 140 and / or the connecting webs 142 of the frame element 134 preferably point in corner areas 162 , in which the support webs 140 and the connecting webs 142 are connected to each other, a first thickness 146a on.

The support webs preferably have 140 and / or the connecting webs 142 of the frame element 134 between two corner areas 162 a second thickness 146b on.

Preferably the first thickness is 146a greater than the second thickness 146b , for example by a factor of 2.

As the support bars 140 and / or the connecting webs 142 of the frame element 134 in the corner areas 162 a greater thickness 146a than outside the corner areas 162 , there can be a flow of force between neighboring galvanic cells 102 in the stacking direction 104 preferably essentially over particularly rigid areas of the cell housing 106 of the galvanic cells 102 respectively.

Incidentally, that's true in 10 spacer element shown 126 , especially the frame element 134 , the embodiment of a battery module 100 in terms of structure and function with the 1 to 5 spacer element shown 126 an embodiment of a battery module 100 so that reference is made to its description above.

An in 11 illustrated spacer element 126 , in particular a frame element 134 , an embodiment of a battery module 100 differs from that in the 1 to 5 spacer element shown 126 an embodiment of a battery module 100 essentially in that the two support webs 140 and / or the two connecting webs 142 perpendicular to a main direction of extent thereof a varying width 144 exhibit.

An inner profile of the frame element can preferably 134 to a swelling behavior of two neighboring galvanic cells 102 be adjusted.

Incidentally, that's true in 11 spacer element shown 126 , especially the frame element 134 , the embodiment of a battery module 100 in terms of structure and function with the 1 to 5 spacer element shown 126 an embodiment of a battery module 100 so that reference is made to its description above.

One in 12 illustrated embodiment of a battery module 100 differs from that in the 1 to 5 illustrated embodiment of a battery module 100 essentially by being in the stacking direction 104 of the battery module 100 several spacer elements 126 , especially several frame elements 134 , are arranged one behind the other.

In particular, are between cell housings 106 two neighboring galvanic cells 102 two spacer elements each 126 , in particular two frame elements 134 , arranged.

It can be particularly advantageous if on main sides facing away from one another 114 a cell housing 106 a respective galvanic cell 102 one spacer element each 126 , in particular one frame element each 134 , on the cell housings 106 of the two neighboring galvanic cells 102 is arranged.

Parallel to the stacking direction 104 of the battery module 100 an order is preferably as follows: spacer element 126 , galvanic cell 102 , Spacer element 126 , Spacer element 126 , galvanic cell 102 , Spacer element 126 , Spacer element 126 , galvanic cell 102 , Spacer element 126 , Spacer element 126 , galvanic cell 102 , Etc.

Preferably there are two frame elements 134 on one galvanic cell each 102 , especially on the cell housing 106 the galvanic cell 102 , turned up.

The two frame elements 134 encompass the respective galvanic cell 102 , especially the cell housing 106 the galvanic cell 102 , at least approximately C-shaped.

The two frame elements 134 each preferably comprise an at least approximately C-shaped receiving section in which a cell housing 106 a galvanic cell 102 parallel to the stacking direction 104 of the battery module 102 is at least partially included.

The two frame elements 134 preferably also each include two support webs 140 and two connecting bars 142 and are preferably also closed in a ring.

It can be beneficial if the two frame elements 134 two or more than two, for example four, fastening projections 164 include which are parallel to the stacking direction 104 of the battery module 102 of the two support bars 140 and / or the two connecting webs 142 stick out.

A fastening projection preferably projects in each case 164 , in particular a fastening web 166 , parallel to the stacking direction 104 of the battery module 102 from a support bar 140 and / or from a connecting web 142 path.

Preferably one length corresponds to the fastening webs 166 essentially a length of the support webs 140 and / or connecting webs 142 , in particular parallel to a main direction of extent of the support webs 140 and / or connecting webs 142 .

The fastening protrusions 164 and / or fastening webs 166 surround a cell housing 106 a galvanic cell 102 preferably four-sided each.

Preferably the two are frame members 134 simply facing away from the main pages 114 a cell housing 106 a galvanic cell 102 attachable. In particular, the cell housing 106 with the frame elements arranged thereon 134 can then be easily positioned in a battery module housing.

Incidentally, the in 12 illustrated embodiment of a battery module 100 in terms of structure and function with the 1 to 5 illustrated embodiment of a battery module 100 so that reference is made to their description above.

One in the 13 and 14th illustrated spacer element 126 an embodiment of a battery module 100 differs from that in the 1 to 5 spacer element shown 126 an embodiment of a battery module 100 essentially in that the spacer element 126 an intermediate element 168 includes or forms.

The one in the 13 and 14th spacer element shown 126 is the frame element 134 preferably not with the intermediate element 168 connected.

The intermediate element 168 is preferably in the interior 138 is arranged, in particular completely.

For example, it is conceivable that the intermediate element 168 the interior 138 in a perpendicular to the stacking direction 104 of the battery module 100 running direction to at least about 50%, for example at least about 75%, preferably at least about 95%, in particular completely, fills.

Preferably comprise the frame element 134 and the intermediate element 168 different materials or are formed from different materials.

For example, it is conceivable that the intermediate element 168 a deformable compensation element 170 forms.

For example, it is also conceivable that a deformable compensation element 170 formed intermediate element 168 comprises or is formed from a rubber material.

It can be beneficial if the compensation element 170 parallel to the stacking direction 104 of the battery module 100 is compressible.

A compressible compensation element 170 formed intermediate element 168 comprises in particular a compressible material, for example a foam material, or is formed from this.

The compressible material of a compressible compensation element 170 trained intermediate element 168 is, for example, elastically or plastically compressible.

This is preferably a compressible compensation element 170 trained intermediate element 168 in a delivery state of the battery module 100 between two neighboring cell housings 106 parallel to the stacking direction 104 of the battery module 100 biased.

The compressible compensation element 170 has a maximum thickness in an unbuilt and / or unloaded state 172 which is greater than the thickness 146 of the frame element 134 , especially the support bars 140 of the frame element 134 .

Incidentally, that's true in 13 spacer element shown 126 the embodiment of a battery module 100 in terms of structure and function with the 1 to 5 spacer element shown 126 one Embodiment of a battery module 100 so that reference is made to its description above.

An in 15th illustrated spacer element 126 an embodiment of a battery module 100 differs from that in the 13 and 14th spacer element shown 126 an embodiment of a battery module 100 essentially in that it acts as a compressible compensation element 170 trained intermediate element 168 parallel to the stacking direction 104 of the battery module 100 when it is new, a maximum thickness 172 having a maximum thickness 146 of the frame element 134 , especially the support bars 140 of the frame element 134 , corresponds.

Incidentally, that's true in 15th spacer element shown 126 the embodiment of a battery module 100 in terms of structure and function with the 13 to 14th spacer element shown 126 an embodiment of a battery module 100 so that reference is made to its description above.

An in 16 illustrated spacer element 126 an embodiment of a battery module 100 differs from the one in 15th spacer element shown 126 an embodiment of a battery module 100 essentially in that it acts as a compressible compensation element 170 trained intermediate element 168 parallel to the stacking direction 104 of the battery module 100 a maximum thickness 172 which is smaller than a maximum thickness 146 of the frame element 134 , especially the support bars 140 of the frame element 134 .

Incidentally, that's true in 16 spacer element shown 126 the embodiment of a battery module 100 in terms of structure and function with the in 15th spacer element shown 126 an embodiment of a battery module 100 so that reference is made to its description above.

On 17th illustrated spacer element 126 an embodiment of a battery module 100 differs from that in the 1 to 5 spacer element shown 126 an embodiment of a battery module 100 essentially in that the frame element 134 with the intermediate element 168 is at least partially connected, in particular cohesively.

Preferably the frame element is 134 integral with the intermediate element 168 produced.

The spacer element 126 , which is the frame element 134 and the intermediate element 168 comprises or forms, is preferably a one-piece injection-molded component.

In particular, it is conceivable that the spacer element 126 at a connection area 174 in which the frame element 134 with the intermediate element 168 is firmly connected, a material weakening 176 having.

Incidentally, that's true in 17th spacer element shown 126 the embodiment of a battery module 100 in terms of structure and function with the 1 to 5 spacer element shown 126 an embodiment of a battery module 100 so that reference is made to its description above.

One in the 18th and 19th illustrated spacer element 126 an embodiment of a battery module 100 differs from that in the 13 and 14th spacer element shown 126 an embodiment of a battery module 100 essentially in that a projection of the intermediate element 168 along the stacking direction 104 on a perpendicular to the stacking direction 104 arranged projection plane a distance from a projection of a respective common winding line 120 of a deflection area 118 a cell roll 110 a galvanic cell 102 having.

The projection of the intermediate element is preferred 168 parallel to the winding direction 124 from the projection of the common winding line 120 spaced, especially inward.

Incidentally, that's true in the 18th and 19th spacer element shown 126 the embodiment of a battery module 100 in terms of structure and function with the 13 and 14th spacer element shown 126 an embodiment of a battery module 100 so that reference is made to its description above.

One in the 20th and 21st illustrated spacer element 126 an embodiment of a battery module 100 differs from that in the 13 and 14th spacer element shown 126 an embodiment of a battery module 100 essentially in that it acts as a compressible compensation element 170 trained intermediate element 168 in the stacking direction 104 is formed in several layers.

Preferably, different layers have the as compressible compensation element 170 trained intermediate element 168 in a perpendicular to the stacking direction 104 taken cross-section on a different area.

For example, the compensation element 170 graduated.

In particular, it is used as a compensation element 170 trained intermediate element 168 adaptable to a swelling behavior of two neighboring galvanic cells.

Incidentally, that's true in the 20th and 21st spacer element shown 126 the embodiment of a battery module 100 in terms of structure and function with the 13 and 14th spacer element shown 126 an embodiment of a battery module 100 so that reference is made to its description above.

One in the 22nd to 26th illustrated spacer element 126 an embodiment of a battery module 100 differs from that in the 13 and 14th spacer element shown 126 an embodiment of a battery module 100 essentially in that the intermediate element 168 only partially in the interior 138 is arranged.

The frame elements preferably overlap 134 and the intermediate element 168 in the stacking direction 104 at least partially.

The frame element 134 preferably corresponds to in 10 frame element shown 134 .

The intermediate element preferably overlaps 168 the frame element 134 with the exception of the corner areas 162 , in which the support webs 140 and connecting bars 142 of the frame element 134 are interconnected, completely.

The intermediate element preferably forms 168 thereby a compensation element 170 which is parallel to the stacking direction 104 of the battery module 100 is compressible (cf. 26th ).

In the areas where the intermediate element 168 the frame element 134 are the frame element 134 and the intermediate element 168 preferably positively and / or positively connected to one another, especially since the galvanic cells 102 along the stacking direction 104 are tense.

Incidentally, that's true in the 22nd to 26th spacer element shown 126 the embodiment of a battery module 100 in terms of structure and function with the 13 and 14th spacer element shown 126 an embodiment of a battery module 100 so that reference is made to its description above.

An in 27 illustrated spacer element 126 an embodiment of a battery module 100 differs from that in the 22nd to 26th spacer element shown 126 an embodiment of a battery module 100 essentially in that the frame element 134 and / or the intermediate element 168 one temperature control element each 178 embrace or form.

It can be beneficial if the intermediate element 168 is not designed to be compressible.

The frame element 134 and / or the intermediate element 168 are preferably designed for active temperature control and / or for passive temperature control.

By means of the frame element 134 and / or by means of the intermediate element 168 is preferably heat from the two neighboring galvanic cells 102 , between which the spacer element 126 is arranged, can be removed.

In particular, it is conceivable that the two neighboring galvanic cells 102 , between which the spacer element 126 is arranged by means of the frame element 134 and / or by means of the intermediate element 168 Heat can be supplied.

Preferably comprise the frame element 134 and / or the intermediate element 168 one or more heat conducting elements each 180 which in the stacking direction 104 of the battery module 100 from the frame element 134 and / or from the intermediate element 168 stick out.

It can also be favorable if the frame element 134 and / or the intermediate element 168 have anisotropic thermal conductivity.

A thermal conductivity of the frame member 134 and / or the intermediate element 168 is in the stacking direction 104 of the battery module 100 preferably less than a thermal conductivity of the frame element 134 and / or the intermediate element 168 perpendicular to the stacking direction 104 of the battery module 100 .

For example, it is conceivable that the frame element 134 and / or the intermediate element 168 in the stacking direction 104 of the battery module 100 are designed as a heat insulator.

It can also be favorable if the frame element 134 and / or the intermediate element 168 perpendicular to the stacking direction 104 of the battery module 100 are designed as a heat conductor.

Incidentally, that's true in 27 spacer element shown 126 the embodiment of a battery module 100 in terms of structure and function with the 22nd to 26th spacer element shown 126 an embodiment of a battery module 100 so that reference is made to its description above.

An in 28 illustrated spacer element 126 an embodiment of a battery module 100 differs from that in the 1 to 5 spacer element shown 126 an embodiment of a battery module 100 essentially by having an edge area 182 of the spacer element 126 , in particular an annularly closed edge area 182 , is formed in several layers.

The multilayer edge area 182 preferably forms a frame element 134 .

In particular, it is conceivable that the spacer element 126 a compressible material, for example a foam material, comprises or is formed from this.

The compressible material is, for example, elastically or plastically compressible.

It can be advantageous if the compressible material is in the multilayer edge area 182 is solidified by leveling and / or compaction

Incidentally, that's true in 28 spacer element shown 126 the embodiment of a battery module 100 in terms of structure and function with the 1 to 5 spacer element shown 126 an embodiment of a battery module 100 so that reference is made to its description above.

One in the 29 and 30th illustrated spacer element 126 an embodiment of a battery module 100 differs from that in the 13 and 14th spacer element shown 126 an embodiment of a battery module 100 essentially in that the deformable compensation element 170 trained intermediate element 168 several deformation elements 184 includes.

The compensation element 170 includes in particular several deformation webs 186 , which are the deformation elements 184 form.

The deformation webs preferably have 186 a U-shaped or V-shaped cross-section.

A deformation web is preferred 186 of the compensation element 170 each with two connecting bars 140 of the frame element 134 connected.

In particular, it is conceivable that the deformation webs 186 essentially parallel to the support webs 140 are arranged.

Incidentally, that's true in the 29 and 30th spacer element shown 126 the embodiment of a battery module 100 in terms of structure and function with the 13 and 14th spacer element shown 126 an embodiment of a battery module 100 so that reference is made to its description above.

One in the 31 and 32 illustrated spacer element 126 an embodiment of a battery module 100 differs from that in the 29 and 30th spacer element shown 126 an embodiment of a battery module 100 essentially in that the deformable compensation element 170 trained intermediate element 168 a variety of deformable knobs 188 includes which the deformation elements 184 form.

For reasons of clarity, the 31 and 32 only some of the deformable knobs 188 marked with a reference symbol.

The deformable knobs are preferably 188 essentially circular-cylindrical.

The deformable knobs 188 in particular protrude parallel to the stacking direction 104 of the battery module 100 from a base plate 190 away, especially on both sides of the base plate 190 .

It can be beneficial if single or multiple deformable knobs 188 have a different cross-sectional shape and / or a different diameter, in particular in a direction perpendicular to the stacking direction 104 of the battery module 100 taken cross section.

The deformable knobs are preferably 188 are arranged in several rows and / or several columns, in particular in alignment.

For example, it is conceivable that deformable knobs each arranged in a column 188 have an identical cross-sectional shape and / or an identical diameter.

It is also conceivable, for example, that individual or several deformable knobs arranged in a row 188 have a different cross-sectional shape and / or a different diameter.

This can preferably be used as a deformable compensation element 170 trained intermediate element 168 a swelling behavior of two neighboring galvanic cells 102 be adjusted.

In particular, by adapting a diameter of the deformable knobs 188 a deformation resistance of the same adjustable.

Incidentally, that's true in the 31 and 32 spacer element shown 126 the embodiment of a battery module 100 in terms of structure and function with the 29 and 30th spacer element shown 126 an embodiment of a battery module 100 so that reference is made to its description above.

One in the 33 and 34 illustrated spacer element 126 an embodiment of a battery module 100 differs from the one in 17th spacer element shown 126 an embodiment of a battery module 100 essentially in that the intermediate element 168 not as a deformable and / or compressible compensation element 170 is trained.

The intermediate element preferably has 168 in a parallel to the stacking direction 104 of the battery module 100 running direction on a locally varying thickness.

It can be beneficial if the intermediate element 168 only in the area of the two support bars 140 of the frame element 134 is connected to this.

Preferably the intermediate element is 168 in the area of the connecting webs 142 of the frame element 134 not associated with this.

As the intermediate element 168 preferably only in the area of the support webs 140 with the frame element 134 is connected, is the intermediate element 168 preferably resilient with the frame element 134 connected.

Incidentally, that's true in the 33 and 34 spacer element shown 126 the embodiment of a battery module 100 in terms of structure and function with the in 17th spacer element shown 126 an embodiment of a battery module 100 so that reference is made to its description above.

One in the 35 and 36 illustrated spacer element 126 an embodiment of a battery module 100 differs from that in the 33 and 34 spacer element shown 126 an embodiment of a battery module 100 essentially in that the intermediate element 168 ring-shaped closed with the frame element 134 connected is.

The intermediate element 168 forms a cover element in particular 192 .

The cover element 192 faces parallel to the stacking direction 104 preferably a constant thickness 194 on.

The cover element 192 faces parallel to the stacking direction 104 especially a thickness 194 which is smaller than a thickness 146 of the frame element 134 .

Incidentally, that's true in the 35 and 36 spacer element shown 126 the embodiment of a battery module 100 in terms of structure and function with the 33 and 34 spacer element shown 126 an embodiment of a battery module 100 so that reference is made to its description above.

One in 37 illustrated embodiment of a battery module 100 differs from the in 6 illustrated embodiment of a battery module 100 essentially in that the frame element parts 158 of the frame element 134 are essentially C-shaped.

Preferably is on the main sides facing away from each other 114 of the cell housing 106 the galvanic cell 102 one of the two C-shaped frame element parts 158 of the frame element 134 arranged.

It can be beneficial if the frame element parts 158 on the main sides facing away from each other 114 of the cell housing 106 with the cell housing 106 , especially with the cell housing wall 132 , connected, for example glued, are.

The frame element parts are preferably 158 arranged and / or designed in such a way that projections of the main sides facing away from one another 114 of the cell housing 106 a galvanic cell 102 arranged frame element parts 158 parallel to the stacking direction 104 on a perpendicular to the stacking direction 104 do not overlap the arranged plane.

Preferably through the C-shaped frame element parts 158 a positioning aid for positioning the galvanic cells 102 are provided relative to each other.

In particular, incorrect positioning of the cell poles of two neighboring galvanic cells can occur 102 be prevented.

By stacking several galvanic cells 102 , on their main sides facing away from each other 114 each C-shaped frame element parts 158 are arranged, the frame element parts complement each other 158 the main pages facing each other 114 two neighboring galvanic cells 102 preferably to a ring-shaped closed frame element 134 .

Incidentally, the in 37 illustrated embodiment of a battery module 100 in terms of structure and function with the in 6 illustrated embodiment of a battery module 100 so that reference is made to their description above.

One in 38 illustrated embodiment of a battery module 100 differs from that in the 1 to 5 illustrated embodiment of a battery module 100 essentially in that the spacer elements 126 made of a pourable, injectable and / or printable material 195 on the cell housing 106 the galvanic cell 102 are upset.

For example, they are parallel to the common winding line 120 two bulges 197 on a respective main page 114 of the cell housing 106 the galvanic cell 102 upset.

It can also be beneficial if one or more knobs 188 on a respective main page 114 of the cell housing 106 the galvanic cell 102 are upset.

The one or more spacer elements 126 are in particular by means of a casting process; by means of a spraying process; and / or by means of a printing process on the cell housing 106 the galvanic cell 102 upset.

Incidentally, the in 38 illustrated embodiment of a battery module in terms of structure and function with the in the 1 to 5 illustrated embodiment of a battery module 100 so that reference is made to their description above.

One in the 39 and 40 illustrated embodiment of a galvanic cell 102 differs from that in the 1 to 36 illustrated embodiment of a galvanic cell 102 essentially by the fact that the cell housing 106 the galvanic cell 102 is not cuboid.

The cell housing preferably comprises or forms 106 one or more spacer elements 126 .

Preferably are in a battery module 100 , which has several galvanic cells 102 includes, between facing cell rolls 110 of two in the stacking direction 104 neighboring galvanic cells 102 two spacer elements each 126 arranged.

Preferably the cell housing comprises 106 of the galvanic cells 102 on the two main sides 114 of the cell housing 116 one spacer area each 196 as well as a central area 198 .

The spacer areas 196 preferably protrude perpendicular to a central plane of the cell roll 110 of the galvanic cells 102 from the central area 196 away and each form a spacer element 126 .

The spacer areas 196 are preferably on an edge area, in particular on an annularly closed edge area, of a respective main side 114 of the cell housing 106 a galvanic cell 102 arranged.

The middle area 198 a respective main page 114 is preferably from the annularly closed spacer area 196 surround and in particular forms a recess in the main page 114 of the cell housing 106 the galvanic cell 102 .

The cell housing 106 a galvanic cell 102 is thus on the two main sides 114 preferably formed in a substantially concave manner.

A cell housing 106 of the galvanic cells 102 includes on the two main sides 114 preferably a transition area 200 which is between the middle area 198 and the spacer area 196 is arranged.

Preferably the spacer areas comprise 196 a surface that is substantially parallel to a surface of the central region 198 is arranged.

It can be beneficial if the cell housing wall 132 of the cell housing 106 of the galvanic cells 102 in the intermediate area 122 a cell roll 110 the galvanic cell 102 on the cell roll 110 is applied.

It can be particularly advantageous if at least approximately 70%, in particular at least approximately 90%, of a surface of the intermediate region 122 of the cell roll 110 completely on the central area 198 the cell housing wall 132 is applied.

The central region is preferably located 198 the cell housing wall 132 essentially with its entire surface at the intermediate area 122 of the cell roll 110 at.

For example, it is conceivable that the cell housing wall 132 of the cell housing 106 a galvanic cell 102 in the middle area 198 essentially parallel to a center plane of a cell roll 110 the galvanic cell 102 is arranged.

The cell housing wall is preferably located 132 of the cell housing 106 a galvanic cell 102 in the deflection area 118 a cell roll 110 the galvanic cell 102 not on the cell roll 110 at.

It can be beneficial if the cell housing wall 132 of the cell housing 106 a galvanic cell 102 in the spacer area 196 and / or in the transition area 200 not on a cell roll 110 the galvanic cell 102 is applied.

In particular, the cell housing wall 132 of the cell housing 106 a galvanic cell 102 in the spacer area 196 essentially parallel to a center plane of a cell roll 110 the galvanic cell 102 arranged.

It can be beneficial if the cell housing 106 a galvanic cell 102 is formed essentially symmetrically, in particular essentially symmetrically to a perpendicular to the stacking direction 104 of the battery module 100 and / or parallel to a center plane of a cell roll 110 the galvanic cell 102 arranged plane of symmetry.

Preferably the cell housing is 106 a galvanic cell essentially symmetrical to one parallel to the stacking direction 104 of the battery module 100 arranged plane of symmetry formed.

It can be beneficial if the cell housing 106 a galvanic cell 102 comprises or is formed by a metallic material, for example aluminum.

The cell housing 106 a galvanic cell 102 is preferably a so-called "hard case" housing.

The cell housing 106 is preferably produced by means of a forming process, for example by deep drawing, and in particular has a substantially uniform wall thickness. It can be beneficial if through the cell housing 106 the galvanic cell 102 formed spacer elements 126 are made by means of a forming process.

The cell housings are preferably located 106 two neighboring galvanic cells 102 in the area of the cell housing 106 of the galvanic cells 102 formed spacer elements 126 directly to each other.

It can be particularly advantageous if the cell housing 106 two neighboring galvanic cells 102 only abut directly against one another in areas, in particular only in the area of the cell housing 106 of the galvanic cells 102 formed spacer elements 126 .

The cell housing walls are preferably 132 the cell housing 106 two neighboring galvanic cells 102 by means of the cell housing 106 formed spacer elements 126 in an annularly closed, through the spacer elements 126 limited space 202 arranged spaced from each other.

In particular, the cell housing walls are located 132 the cell housing 106 two neighboring galvanic cells 102 in the space 202 not against each other.

Preferably the central areas limit 198 and / or the transition areas 200 a respective main page 114 the cell housing 106 two neighboring galvanic cells 102 the space in between 202 .

Preferably the space is 202 between two neighboring galvanic cells 102 formed, which on the facing main sides 114 the cell housing 106 are essentially concave.

It can be beneficial if in the gap 202 an additional element 204 , for example a compensation element 206 , a propagation protection element 208 , a sensor element 209 and / or a temperature control element 210 , is arranged.

By means of one in the space 202 arranged temperature control element 210 are those at the space in between 202 adjacent galvanic cells 102 preferably temperature controllable, for example coolable.

By means of one in the space 202 arranged temperature control element 210 In particular, heat can be dissipated from the space.

One in the space 202 arranged temperature control element 210 is preferably for active temperature control of the space 202 adjacent galvanic cells 102 and / or for passive temperature control of the space 202 adjacent galvanic cells 102 educated.

By means of one in the space 202 arranged propagation protection element 208 is preferably a propagation of a thermal runaway of a galvanic cell 102 can be delayed and / or prevented.

One in the space 202 arranged compensation element 206 is in a parallel to the stacking direction 104 of the battery module 100 extending direction preferably due to an expansion of the cell housing 106 two neighboring galvanic cells 102 deformable, for example compressible.

The compensation element preferably comprises 206 a foam material or is formed by this.

By means of one in the space 202 arranged compensation element 206 is preferably a delamination of cell rolls 110 a respective galvanic cell 102 limitable or preventable.

Preferably the cell housings are 106 two neighboring galvanic cells 102 in a delivery state of the battery module 100 by means of in the space 202 arranged compensation elements 206 in the stacking direction 104 of the battery module 100 biased. In this way, a pretensioning force can preferably be achieved which, in particular, is due to an aging-related expansion of the cell housing 106 of the two neighboring galvanic cells 102 preferably counteracts.

Incidentally, it is correct in the 39 and 40 illustrated embodiment of the galvanic cell 102 in terms of structure and function with the 1 to 36 illustrated embodiment of a galvanic cell 102 so that reference is made to their description above.

One in 41 illustrated embodiment of a galvanic cell 102 differs from that in the 39 and 40 illustrated embodiment of a galvanic cell 102 essentially by the fact that the cell housing 106 a respective galvanic cell 102 on a main page 114 essentially concave and on a main side 114 are essentially convex.

It is also conceivable that the cell housing 106 are not produced by forming.

For example, it is conceivable that the cell housing 106 of the galvanic cells 102 are made by extrusion.

Incidentally, the in 41 illustrated embodiment of the galvanic cell 102 in terms of structure and function with the 39 and 40 illustrated embodiment of a galvanic cell 102 so that reference is made to their description above.

One in 42 illustrated embodiment of a galvanic cell 102 differs from the in 41 illustrated embodiment of a galvanic cell 102 essentially by the fact that the cell housing 106 of the galvanic cells 102 are produced by an injection molding process, for example by an injection molding process, in particular from a plastic material.

It can be beneficial if the cell housing 106 of the galvanic cells 102 Plastic components, in particular plastic injection-molded components, are.

It is particularly conceivable that two neighboring galvanic cells 102 by means of one or more through the cell housing 106 of the galvanic cells 102 formed spacer elements 126 in the stacking direction 104 of the battery module 100 are positioned or positionable in a clear alignment relative to one another.

In particular, it is conceivable that cell housing walls facing one another 132 of cell housings 106 two neighboring galvanic cells 102 on the main pages 114 of the cell housing 106 each one or more as spacer elements 126 formed projections or elevations and with the projections or elevations corresponding recesses. For the sake of clarity, the projections are or Elevations and the recesses in 42 not shown in the drawing.

The projections or elevations and the recesses are preferably of this type on the main sides 114 the cell housing 106 two neighboring galvanic cells 102 arranged that the two galvanic cells 102 in the stacking direction 104 of the battery module 100 can only be positioned in one orientation relative to one another.

Incidentally, the in 42 illustrated embodiment of the galvanic cell 102 in terms of structure and function with the in 41 illustrated embodiment of a galvanic cell 102 so that reference is made to their description above.

One in 43 illustrated embodiment of a galvanic cell 102 differs from that in the 1 to 36 illustrated embodiment of a galvanic cell 102 essentially by being in the receiving space 112 of the cell housing 106 a compensation element 212 is arranged.

The compensation element 212 is preferably between two adjacent cell rolls 110 the galvanic cell 102 arranged.

The compensation element 212 is preferably compressible, in particular perpendicular to a main side 114 of the cell housing 106 and / or perpendicular to a center plane of a cell roll 110 the galvanic cell 102 .

The compensation element 212 is preferably elastically or plastically compressible.

The compensation element preferably comprises 212 a compressible material or is formed from a compressible material.

The compressible material is, for example, a foam material.

By providing the compensation element 212 in the recording room 112 of the cell housing 106 is preferably a defined load on the cell roll 110 the galvanic cell 102 with every state of charge and / or with every state of aging of the galvanic cell 102 realizable.

• - einer Steifigkeit des Zellgehäuses 106 der galvanischen Zelle 102;
• - auf das Zellgehäuse 106 der galvanischen Zelle 102 wirkenden Spannkräften, insbesondere parallel zu der Stapelrichtung 104 eines Batteriemoduls 100 auf das Zellgehäuse 106 wirkenden Spannkräften;
• - einem Wachstum eines oder mehrerer Zellwickel 110 der galvanischen Zelle 102.

In particular, by providing the compensation element 212 in the recording room 112 of the cell housing 106 a load on the cellular tissue 110 a galvanic cell 102 feasible regardless of one or more of the following factors:

• - a rigidity of the cell housing 106 the galvanic cell 102 ;
• - on the cell housing 106 the galvanic cell 102 acting clamping forces, in particular parallel to the stacking direction 104 a battery module 100 on the cell housing 106 acting tension forces;
• - the growth of one or more cellular cells 110 the galvanic cell 102 .

By means of the compensation element 212 is preferably a growth of the cellular coils 110 the galvanic cell 102 Can be compensated over the service life of the same, in particular in a direction perpendicular to a main side 114 of the cell housing 106 trending direction.

Preferably by means of the in the cell housing 106 the galvanic cell 102 arranged compensation element 212 a growth of the cellular coils 110 the galvanic cell 102 adjustable in such a way that the cell housing 106 the galvanic cell 102 in a perpendicular to a main page 114 of the cell housing 106 running direction at the end of the life of the galvanic cell 102 essentially a height 148 has which of the height 148 of the cell housing 106 the galvanic cell 102 in a delivery state of the galvanic cell 102 corresponds.

Preferably, by means of the compensation element 212 a change in the external dimensions of the galvanic cell 102 due to the growth of cellular coils 110 of the galvanic cells 102 limited or prevented.

The compensation element preferably has 212 in a delivery state of the galvanic cell 102 perpendicular to a median plane of a cell roll 110 the galvanic cell 102 a thick one 214 such that the compensation element 212 and inside the cell housing 106 arranged cell rolls 110 the recording room 112 of the cell housing 106 perpendicular to the median plane of a cell roll 110 the galvanic cell 102 essentially fill in completely.

In particular, by means of the compensation element 212 Cavities within the cell housing 106 , especially parallel to the stacking direction 104 a battery module 100 , preventable.

Delamination of the cell roll is also preferred 110 a galvanic cell 102 limitable or preventable.

It can also be favorable if by means of the compensation element 212 an optimal one Operating condition of the galvanic cell 102 is adjustable over the entire product life of the same.

It can be beneficial if the compensation element 212 parallel to the winding direction 124 a cell roll 110 of the galvanic cell a width 216 which is at least approximately the width of an intermediate region 122 of the cell roll 110 corresponds.

The compensation element preferably has 212 in a parallel to a common winding line 120 a cell roll 110 extending direction to a height which is substantially a height of a cell roll 110 the galvanic cell 106 corresponds.

The cell rolls preferably have 110 a galvanic cell 102 in a parallel to a common winding line 120 a cell roll 110 extending direction in each case a substantially identical height.

Incidentally, the in 43 illustrated embodiment of the galvanic cell 102 in terms of structure and function with the 1 to 36 illustrated embodiment of a galvanic cell 102 so that reference is made to their description above.

One in 44 illustrated embodiment of a galvanic cell 102 differs from the in 43 illustrated embodiment of a galvanic cell 102 essentially by being in the receiving space 112 of the cell housing two compensation elements 212 are arranged.

The compensation element 212 are preferably between a cell housing wall 132 of the cell housing 106 and a cell roll 110 the galvanic cell 102 arranged, in particular based on a perpendicular to a center plane of a cell roll 110 trending direction.

The compensation elements are preferably 212 each between a cell housing wall 132 a main page 114 of the cell housing 106 and a cell roll 110 the galvanic cell 102 arranged.

Incidentally, the in 44 illustrated embodiment of the galvanic cell 102 in terms of structure and function with the in 43 illustrated embodiment of a galvanic cell 102 so that reference is made to their description above.

One in 45 illustrated embodiment of a galvanic cell 102 differs from the in 43 illustrated embodiment of a galvanic cell 102 essentially by being in the receiving space 112 of the cell housing 106 two compensation elements 212 are arranged, each within a cell roll 110 the galvanic cell 102 are arranged.

It can be favorable here if winding layers of a respective cell roll 110 by one compensation element each 212 are wrapped around.

The compensation element 212 is preferably essentially parallel to a center plane of the respective cell roll 110 arranged.

The compensation element 212 points parallel to the winding direction 124 of the cell roll 110 preferably a width 216 which is essentially the width of the intermediate area 122 of the cell roll 110 corresponds.

Preferably, winding layers of a respective cell roll can be wound around 110 by one compensation element each 212 prevent the winding layers from being directly in the area of a common winding line 120 be diverted.

In particular, by winding around winding layers of a respective cell roll 110 by one compensation element each 212 a deflection radius can be increased.

A deflection radius is preferably in a deflection area 118 a cell roll 110 at least approximately 0.5 mm, in particular at least approximately 1 mm, for example at least 1.5 mm.

A service life of the galvanic cell can preferably be extended in this case.

It can also be favorable if by means of the inside a cell roll 110 arranged compensation element 212 a growth of the respective cell wrap 110 , in particular in a perpendicular to a median plane of the cell roll 110 running direction, can be compensated so that the galvanic cell 102 at the end of its life in the perpendicular to the median plane of the cell roll 110 running direction essentially a height 148 having which the height of the galvanic cell 148 corresponds to the same in a delivery state.

Incidentally, the in 45 illustrated embodiment of the galvanic cell 102 in terms of structure and function with the in 43 illustrated embodiment of a galvanic cell 102 so that reference is made to their description above.

• Ausführungsform 1:
  • Galvanische Zelle (102), welche Folgendes umfasst:,
    • - einen oder mehrere Zellwickel (110);
    • - ein Zellgehäuse (106), welches einen Aufnahmeraum (122) zur Aufnahme des einen oder der mehreren Zellwickel (110) umfasst,
  wobei der eine oder die mehreren Zellwickel (110) in dem Aufnahmeraum (122) des Zellgehäuses (106) aufgenommen sind und wobei das Zellgehäuse (106) ein oder mehrere Abstandshalterelemente (126) umfasst oder bildet.
• Ausführungsform 2:
  • Galvanische Zelle nach Ausführungsform 1, dadurch gekennzeichnet, dass das Zellgehäuse (106) der galvanischen Zelle (102) an einer Hauptseite (114) des Zellgehäuses (106), insbesondere an beiden Hauptseiten (114) des Zellgehäuses (106), jeweils einen oder mehrere Abstandshalterbereiche (196) und einen Mittelbereich (198) umfasst, wobei der eine oder die mehreren Abstandshalterbereiche (196) senkrecht zu einer Mittelebene eines Zellwickels (110) der galvanischen Zelle (102) von dem Mittelbereich (198) weg ragen und jeweils ein Abstandshalterelement (126) bilden.
• Ausführungsform 3:
  • Galvanische Zelle nach Ausführungsform 1 oder 2, dadurch gekennzeichnet, dass der eine oder die mehreren Zellwickel (110) der galvanischen Zelle (102) zwei Umlenkbereiche (118) umfasst, in welchen Wickellagen des jeweiligen Zellwickels (110) umgelenkt sind, wobei die Wickellagen in einem jeweiligen Umlenkbereich (118) eine gemeinsame Wickellinie (120) aufweisen, und/oder dass der eine oder die mehreren Zellwickel (110) der galvanischen Zelle (102) einen zwischen den zwei Umlenkbereichen (118) angeordneten Zwischenbereich (122) umfassen.
• Ausführungsform 4:
  • Galvanische Zelle nach Ausführungsform 3, dadurch gekennzeichnet, dass eine Zellgehäusewandung (136) des Zellgehäuses (106) der galvanischen Zelle (102) in dem Zwischenbereich (122) eines Zellwickels (110) der galvanischen Zelle (102) an dem Zellwickel (110) anliegt.
• Ausführungsform 5:
  • Galvanische Zelle nach Ausführungsform 3 oder 4, dadurch gekennzeichnet, dass eine Zellgehäusewandung (132) des Zellgehäuses (106) der galvanischen Zelle (102) in dem Umlenkbereich (118) eines Zellwickels (110) der galvanischen Zelle (102) nicht an dem Zellwickel (110) anliegt.
• Ausführungsform 6:
  • Galvanische Zelle nach einer der Ausführungsformen 2 bis 5, dadurch gekennzeichnet, dass der eine oder die mehreren Abstandshalterbereiche (196) an einem Randbereich, insbesondere an einem ringförmig geschlossenen Randbereich, einer jeweiligen Hauptseite (114) des Zellgehäuses (106) einer jeweiligen galvanischen Zelle (106) angeordnet sind.
• Ausführungsform 7:
  • Galvanische Zelle nach einer der Ausführungsformen 1 bis 6, dadurch gekennzeichnet, dass das Zellgehäuse (106) der galvanischen Zelle (102) an beiden Hauptseiten (114) im Wesentlichen konkav ausgebildet ist.
• Ausführungsform 8:
  • Galvanische Zelle nach einer der Ausführungsformen 1 bis 6, dadurch gekennzeichnet, dass das Zellgehäuse (106) der galvanischen Zelle (102) an einer Hauptseite (114) im Wesentlichen konkav und an einer Hauptseite (114) im Wesentlichen im Wesentlichen konvex ausgebildet ist.
• Ausführungsform 9:
  • Galvanische Zelle nach einer der Ausführungsformen 1 bis 8, dadurch gekennzeichnet, dass das Zellgehäuse (106) der galvanischen Zelle (102) ein metallisches Material umfasst oder durch dieses gebildet wird, beispielsweise Aluminium.
• Ausführungsform 10:
  • Batteriemodul (100), umfassend zwei oder mehr als zwei galvanische Zellen (102) nach einer der Ausführungsformen 1 bis 9.
• Ausführungsform 11:
  • Batteriemodul (100) nach Ausführungsform 10, dadurch gekennzeichnet, dass Zellgehäuse (106) zweier benachbarter galvanischer Zellen (102) im Bereich der durch das Zellgehäuse (106) der galvanischen Zellen (102) gebildeten Abstandshalterelemente (126) unmittelbar aneinander anliegen.
• Ausführungsform 12:
  • Batteriemodul (100) nach Ausführungsform 10 oder 11, dadurch gekennzeichnet, dass Zellgehäuse (106) zweier benachbarter galvanischer Zellen (102) derart ausgebildet sind, dass Zellgehäusewandungen (132) der zwei benachbarten galvanischen Zellen (102) mittels der durch die Zellgehäuse (106) gebildeten Abstandshalterelemente (126) in einem zumindest abschnittsweise, vorzugsweise in einem ringförmig geschlossenen, durch die Abstandshalterelemente (126) begrenzten Zwischenraum (202) voneinander beabstandet angeordnet sind.
• Ausführungsform 13:
  • Batteriemodul nach Ausführungsform 12, dadurch gekennzeichnet, dass in dem Zwischenraum (202) ein oder mehrere Zusatzelemente (204) angeordnet sind, beispielsweise ein oder mehrere Kompensationselemente (206), ein oder mehrere Propagationsschutzelemente (208), ein oder mehrere Sensorelemente (209) und/oder ein oder mehrere Temperierelemente (210).
• Ausführungsform 14:
  • Batteriemodul nach einem der Ansprüche 10 bis 13, dadurch gekennzeichnet, dass zwei benachbarte galvanische Zellen (102) mittels eines oder mehrerer durch das Zellgehäuse (106) der galvanischen Zellen (102) gebildeter Abstandshalterelemente (126) in einer Stapelrichtung (104) des Batteriemoduls (100) in einer eindeutigen Ausrichtung relativ zueinander positioniert oder positionierbar sind.
• Ausführungsform 15:
  • Galvanische Zelle (102), welche Folgendes umfasst:
    • - einen oder mehrere Zellwickel (110);
    • - ein Zellgehäuse (106), welches einen Aufnahmeraum (112) zur Aufnahme des einen oder der mehreren Zellwickel (110) umfasst;
    • - ein oder mehrere Kompensationselemente (212), wobei der eine oder die mehreren Zellwickel (110) in dem Aufnahmeraum (112) des Zellgehäuses (106) aufgenommen sind und wobei das eine oder die mehreren Kompensationselemente (212) in dem Aufnahmeraum (112) des Zellgehäuses (106) angeordnet sind.
• Ausführungsform 16:
  • Galvanische Zelle nach Ausführungsform 15, dadurch gekennzeichnet, dass das eine oder die mehreren Kompensationselemente (212) komprimierbar sind, insbesondere senkrecht zu einer Hauptseite (114) des Zellgehäuses (106) und/oder senkrecht zu einer Mittelebene eines Zellwickels (110) der galvanischen Zelle (102).
• Ausführungsform 17:
  • Galvanische Zelle nach Ausführungsform 15 oder 16, dadurch gekennzeichnet, dass das eine oder die mehreren Kompensationselemente (212) in einem Auslieferungszustand der galvanischen Zelle (102) senkrecht zu einer Mittelebene eines Zellwickels (110) der galvanischen Zelle (102) eine Dicke (214) derart aufweisen, dass das eine oder die mehreren innerhalb des Zellgehäuses (106) der galvanischen Zelle (102) angeordneten Kompensationselemente (212) und innerhalb des Zellgehäuses (106) angeordnete Zellwickel (110) einen Aufnahmeraum (112) des Zellgehäuses senkrecht zu der Mittelebene des Zellwickels (110) der galvanischen Zelle (102) im Wesentlichen vollständig ausfüllen.
• Ausführungsform 18:
  • Galvanische Zelle nach einer der Ausführungsformen 15 bis 17, dadurch gekennzeichnet, dass das eine oder die mehreren Kompensationselemente (212) ein komprimierbares Material umfassen oder aus einem komprimierbaren Material gebildet sind.
• Ausführungsform 19:
  • Galvanische Zelle nach Ausführungsform 18, dadurch gekennzeichnet, dass das komprimierbare Material ein Schaummaterial ist.
• Ausführungsform 20:
  • Galvanische Zelle nach einer der Ausführungsformen 15 bis 19, dass ein oder mehrere der in dem Aufnahmeraum (112) des Zellgehäuses (106) angeordneten Kompensationselemente (212) zwischen zwei benachbarten Zellwickeln (110) der galvanischen Zelle (102) angeordnet sind.
• Ausführungsform 21:
  • Galvanische Zelle nach einer der Ausführungsformen 15 bis 20, dadurch gekennzeichnet, dass ein oder mehrere der in dem Aufnahmeraum (112) des Zellgehäuses (106) angeordneten Kompensationselemente (212) zwischen einer Zellgehäusewandung (136) des Zellgehäuses (106) und einem Zellwickel (110) der galvanischen Zelle (102) angeordnet sind, insbesondere bezogen auf eine senkrecht zu einer Mittelebene des Zellwickels (110) verlaufende Richtung.
• Ausführungsform 22:
  • Galvanische Zelle nach einer der Ausführungsformen 16 bis 21, dadurch gekennzeichnet, dass zwischen Zellgehäusewandungen (132) zweier Hauptseiten (114) des Zellgehäuses (106) der galvanischen Zelle (102) und einem oder mehreren innerhalb des Zellgehäuses (106) angeordneten Zellwickeln (110) jeweils ein oder mehrere Kompensationselemente (212) angeordnet sind.
• Ausführungsform 23:
  • Galvanische Zelle nach einer der Ausführungsformen 20 bis 22, dadurch gekennzeichnet, dass ein zwischen zwei benachbarten Zellwickeln (110) der galvanischen Zellen (102) angeordnetes Kompensationselement (212) und/oder ein zwischen einer Zellgehäusewandung (132) des Zellgehäuses (106) und einem Zellwickel (110) der galvanischen Zelle (102) angeordnetes Kompensationselement (212) parallel zu einer Wickelrichtung (124) des Zellwickels (110) eine Breite aufweist (216), welche mindestens ungefähr der Breite eines Zwischenbereichs (122) des Zellwickels (110) entspricht.
• Ausführungsform 24:
  • Galvanische Zelle nach einer der Ausführungsformen 15 bis 24, dadurch gekennzeichnet, dass ein oder mehrere der in dem Aufnahmeraum (112) des Zellgehäuses (106) angeordneten Kompensationselemente (212) innerhalb eines oder mehrerer Zellwickel (110) der galvanischen Zelle (102) angeordnet sind.
• Ausführungsform 25:
  • Galvanische Zelle nach Ausführungsform 24, dadurch gekennzeichnet, dass ein innerhalb eines Zellwickels (110) angeordnetes Kompensationselement (212) der galvanischen Zelle (102) im Wesentlichen parallel zu einer Mittelebene des jeweiligen Zellwickels (110) angeordnet ist.
• Ausführungsform 26:
  • Galvanische Zelle nach Ausführungsform 24 oder 25, dadurch gekennzeichnet, dass ein innerhalb eines Zellwickels (110) angeordnetes Kompensationselement (212) der galvanischen Zelle (102) parallel zu einer Wickelrichtung (124) des Zellwickels (110) eine Breite (216) aufweist, welche im Wesentlichen der Breite eines Zwischenbereichs (122) des Zellwickels (110) entspricht.
• Ausführungsform 27:
  • Galvanische Zelle nach einer der Ausführungsformen 15 bis 26, dadurch gekennzeichnet, dass ein oder mehrere der in dem Aufnahmeraum (112) des Zellgehäuses (106) angeordneten Kompensationselemente (212) in einer parallel zu einer gemeinsamen Wickellinie (120) eines Zellwickels (110) verlaufenden Richtung eine Höhe aufweisen, welche im Wesentlichen einer Höhe des einen oder der mehreren Zellwickel (110) der galvanischen Zelle (102) entspricht.
• Ausführungsform 28:
  • Batteriemodul (100), wobei das Batteriemodul (100) Folgendes umfasst:
    • zwei oder mehr als zwei galvanische Zellen (102) nach einer der Ausführungsformen 15 bis 27.
• Ausführungsform 29:
  • Batteriemodul (100), wobei das Batteriemodul (100) Folgendes umfasst:
    • - zwei oder mehr als zwei galvanische Zellen (102), welche jeweils einen oder mehrere Zellwickel (110) umfassen;
    • - ein oder mehrere Abstandshalterelemente (126), wobei jeweils ein oder mehrere Abstandshalterelemente (126) zwischen zwei benachbarten galvanischen Zellen (102) angeordnet sind.
• Ausführungsform 30:
  • Batteriemodul nach Ausführungsform 29, dadurch gekennzeichnet, dass ein jeweiliger Zellwickel (110) der galvanischen Zellen (102) des Batteriemoduls (100) zwei Umlenkbereiche (118) umfasst, in welchen Wickellagen des jeweiligen Zellwickels (110) umgelenkt sind, wobei die Wickellagen in einem jeweiligen Umlenkbereich (118) eine gemeinsame Wickellinie (120) aufweisen.
• Ausführungsform 31:
  • Batteriemodul nach Ausführungsform 30, dadurch gekennzeichnet, dass das eine oder die mehreren Abstandshalterelemente (126) jeweils derart angeordnet und/oder ausgebildet sind, dass in einer Stapelrichtung (104) des Batteriemoduls (100) mittels der Abstandshalterelemente (126) eine Krafteinleitung in den einen oder die mehreren Zellwickel (110) einer jeweiligen galvanischen Zelle (102) vermeidbar ist, insbesondere im Bereich einer Wickellinie (120) eines jeweiligen Umlenkbereichs (118) des einen oder der mehreren Zellwickel (110).
• Ausführungsform 32:
  • Batteriemodul nach einer der Ausführungsformen 29 bis 31, dadurch gekennzeichnet, dass ein Kraftfluss zwischen einander benachbarten galvanischen Zellen (102) in einer Stapelrichtung (104) des Batteriemoduls (100) ausschließlich oder zu mindestens ungefähr 75 %, insbesondere zu mindestens ungefähr 85 %, vorzugsweise zu mindestens ungefähr 95 %, über das eine oder die mehreren Abstandshalterelemente (126) erfolgt.
• Ausführungsform 33:
  • Batteriemodul nach einer der Ausführungsformen 29 bis 32, dadurch gekennzeichnet, dass die galvanischen Zellen (102) prismatische Zellen, insbesondere im Wesentlichen quaderförmige Zellen, sind.
• Ausführungsform 34:
  • Batteriemodul nach einer der Ausführungsformen 29 bis 33, dadurch gekennzeichnet, dass eine jeweilige galvanische Zelle (102) jeweils ein Zellgehäuse (106) umfasst, in welchem der eine oder die mehreren Zellwickel (110) einer jeweiligen galvanischen Zelle (102) angeordnet sind.
• Ausführungsform 35:
  • Batteriemodul nach einer der Ausführungsformen 29 bis 34, dadurch gekennzeichnet, dass zwischen Zellgehäusen (106) zweier benachbarter galvanischer Zellen (102) jeweils ein oder mehrere Abstandshalterelemente (126) angeordnet sind.
• Ausführungsform 36:
  • Batteriemodul nach Ausführungsform 35, dadurch gekennzeichnet, dass ein oder mehrere Abstandshalterelemente (126), welche zwischen Zellgehäusen (106) zweier benachbarter galvanischer Zellen (102) angeordnet sind, an einer Hauptseite (114) der jeweiligen Zellgehäuse (106) angeordnet sind.
• Ausführungsform 37:
  • Batteriemodul nach Ausführungsform 35 oder 36, dadurch gekennzeichnet, dass ein oder mehrere zwischen zwei Zellgehäusen (106) zweier benachbarter galvanischer Zellen (102) angeordnete Abstandshalterelemente (126) jeweils ein Rahmenelement (134) und/oder ein Zwischenelement (168) umfassen oder bilden.
• Ausführungsform 38:
  • Batteriemodul nach Ausführungsform 37, dadurch gekennzeichnet, dass ein jeweiliges Rahmenelement (134) einen von dem Rahmenelement (134) und den zwei benachbarten Zellgehäusen (106) umgebenen Innenraum (138) zumindest bereichsweise, beispielsweise mindestens zweiseitig, begrenzt.
• Ausführungsform 39:
  • Batteriemodul nach Ausführungsform 37 oder 38, dadurch gekennzeichnet, dass ein jeweiliges Rahmenelement (134) Folgendes umfasst:
    • - zwei Stützstege (140), welche parallel zueinander und/oder parallel zu einer gemeinsamen Wickellinie (120) eines Umlenkbereichs (118) eines Zellwickels (110) einer galvanischen Zelle (102) angeordnet sind; und/oder
    • - einen oder mehrere Verbindungsstege (142), wobei die zwei Stützstege (140) mittels des einen oder der mehreren Verbindungsstege (142) verbunden sind.
• Ausführungsform 40:
  • Batteriemodul nach einer der Ausführungsformen 37 bis 39, dadurch gekennzeichnet, dass ein jeweiliges Rahmenelement (134) ringförmig geschlossen ausgebildet ist.
• Ausführungsform 41:
  • Batteriemodul nach Ausführungsform 39 oder 40, dadurch gekennzeichnet, dass die zwei Stützstege (140) und/oder der eine oder die mehreren Verbindungsstege (142) quer, insbesondere senkrecht, zu einer Haupterstreckungsrichtung derselben eine im Wesentlichen konstante Breite (144) aufweisen.
• Ausführungsform 42:
  • Batteriemodul nach Ausführungsform 41, dadurch gekennzeichnet, dass die Breite (144) der zwei Stützstege (140) im Wesentlichen der Breite (144) des einen oder der mehreren Verbindungsstege (142) entspricht.
• Ausführungsform 43:
  • Batteriemodul nach Ausführungsform 41, dadurch gekennzeichnet, dass die Breite (144) der zwei Stützstege (140) von der Breite (144) des einen oder der mehreren Verbindungsstege (142) verschieden ist.
• Ausführungsform 44:
  • Batteriemodul nach einer der Ausführungsformen 41 bis 43, dadurch gekennzeichnet, dass die Breite (144) der zwei Stützstege (140) ungefähr einer Summe einer Wandstärke (152) einer Zellgehäusewandung (132) eines Zellgehäuses (106) einer galvanischen Zelle (102), eines Abstands (150) eines Zellwickels (110) zu der Zellgehäusewandung (132) des Zellgehäuses (106) und einer Breite (154) eines Umlenkbereichs (118) eines Zellwickels (110) entspricht.
• Ausführungsform 45:
  • Batteriemodul nach einer der Ausführungsformen 39 bis 44, dadurch gekennzeichnet, dass eine Projektion eines jeweiligen Stützstegs (140) eines Rahmenelements (134), insbesondere eines an einem Zellgehäuse (106) einer galvanischen Zellen (102) anliegenden Bereichs des Stützstegs (140), entlang der Stapelrichtung (104) auf eine senkrecht zu der Stapelrichtung (104) angeordnete Projektionsebene einen Abstand von einer Projektion einer jeweiligen gemeinsamen Wickellinie (120) eines Umlenkbereichs (118) eines Zellwickels (110) einer galvanischen Zelle (102) aufweist.
• Ausführungsform 46:
  • Batteriemodul nach einer der Ausführungsformen 39 bis 45, dadurch gekennzeichnet, dass die Stützstege (140) des Rahmenelements (134) und/oder die Verbindungsstege (142) des Rahmenelements (134) in einer parallel zu einer Stapelrichtung (104) des Batteriemoduls (100) verlaufenden Richtung eine konstante Dicke (146) aufweisen.
• Ausführungsform 47:
  • Batteriemodul nach einer der Ausführungsformen 39 bis 45, dadurch gekennzeichnet, dass die Stützstege (140) des Rahmenelements (134) und/oder die Verbindungsstege (142) des Rahmenelements (134) in einer parallel zu einer Stapelrichtung (104) des Batteriemoduls (100) verlaufenden Richtung eine lokal variierende Dicke (146) aufweisen.
• Ausführungsform 48:
  • Batteriemodul nach einer der Ausführungsformen 38 bis 47, dadurch gekennzeichnet, dass das Zwischenelement (168) in dem Innenraum (138) angeordnet ist.
• Ausführungsform 49:
  • Batteriemodul nach einer der Ausführungsformen 37 bis 48, dadurch gekennzeichnet, dass das Rahmenelement (134) einteilig oder mehrteilig, beispielsweise zweiteilig, ausgebildet ist.
• Ausführungsform 50:
  • Batteriemodul nach einer der Ausführungsformen 37 bis 49, dadurch gekennzeichnet, dass zwischen Zellgehäusen (106) zweier benachbarter galvanischer Zellen (102) jeweils zwei Abstandshalterelemente (126), insbesondere zwei Rahmenelemente (134), angeordnet sind.
• Ausführungsform 51:
  • Batteriemodul nach einer der Ausführungsformen 37 bis 50, dadurch gekennzeichnet, dass das Rahmenelement (134) mit dem Zwischenelement (168) zumindest bereichsweise verbunden ist, insbesondere stoffschlüssig.
• Ausführungsform 52:
  • Batteriemodul nach einer der Ausführungsformen 37 bis 51, dadurch gekennzeichnet, dass das Rahmenelement (134) und das Zwischenelement (168) voneinander verschiedene Materialien umfassen oder aus voneinander verschiedenen Materialien gebildet sind.
• Ausführungsform 53:
  • Batteriemodul nach einer der Ausführungsformen 37 bis 52, dadurch gekennzeichnet, dass das Zwischenelement (168) ein verformbares Kompensationselement (170) bildet.
• Ausführungsform 54:
  • Batteriemodul nach Ausführungsform 53, dadurch gekennzeichnet, dass das Kompensationselement (170) parallel zu einer Stapelrichtung (104) des Batteriemoduls (100) komprimierbar ist.
• Ausführungsform 55:
  • Batteriemodul nach Ausführungsform 53 oder 54, dadurch gekennzeichnet, dass das Kompensationselement (170) ein oder mehrere Verformungselemente (184) umfasst.
• Ausführungsform 56:
  • Batteriemodul nach einer der Ausführungsformen 37 bis 55, dadurch gekennzeichnet, dass ein Randbereich (182) eines Abstandshalterelements (126), insbesondere ein ringförmig geschlossener Randbereich (182), mehrlagig ausgebildet ist, wobei der mehrlagige Randbereich (182) ein Rahmenelement (134) bildet.
• Ausführungsform 57:
  • Batteriemodul nach einer der Ausführungsformen 37 bis 56, dadurch gekennzeichnet, dass ein jeweiliges Abstandshalterelement (126), insbesondere ein jeweiliges Rahmenelement (134) und/oder ein jeweiliges Zwischenelement (168), ein metallisches Material, ein Papiermaterial oder ein Kunststoffmaterial umfassen oder aus diesem gebildet sind.
• Ausführungsform 58:
  • Batteriemodul nach einer der Ausführungsformen 37 bis 57, dadurch gekennzeichnet, dass ein Kraftfluss zwischen einander benachbarten galvanischen Zellen (102) in einer Stapelrichtung (104) des Batteriemoduls (100) ausschließlich oder zu mindestens ungefähr 75 %, insbesondere zu mindestens ungefähr 85 %, vorzugsweise zu mindestens ungefähr 95 %, über das Rahmenelement (134) des einen oder der mehreren Abstandshalterelemente (126) erfolgt.
• Ausführungsform 59:
  • Batteriemodul nach einer der Ausführungsformen 35 bis 58, dadurch gekennzeichnet, dass ein zwischen Zellgehäusen (106) zweier benachbarter galvanischer Zellen (102) angeordnetes Abstandshalterelement (126), insbesondere ein Rahmenelement (134), jeweils mit den Zellgehäusen (106) der zwei benachbarten galvanischen Zellen (102) stoffschlüssig verbunden, insbesondere verklebt, ist.
• Ausführungsform 60:
  • Batteriemodul nach Ausführungsform 59, dadurch gekennzeichnet, dass das zwischen Zellgehäusen (106) zweier benachbarter galvanischer Zellen (102) angeordnete Abstandshalterelement (126), insbesondere ein Rahmenelement (134) des Abstandshalterelements (126), jeweils mittels einer Klebefolie (136), welche jeweils zwischen einer Hauptseite (114) eines Zellgehäuses (106) einer jeweiligen galvanischen Zelle (102) und dem Abstandshalterelement (126), insbesondere dem Rahmenelement (134), angeordnet ist, mit den Zellgehäusen (106) der zwei benachbarten galvanischen Zellen (102) verklebt ist.
• Ausführungsform 61:
  • Batteriemodul nach einer der Ausführungsformen 35 bis 60, dadurch gekennzeichnet, dass sämtliche zwischen jeweils zwei Zellgehäusen (106) zweier benachbarter galvanischer Zellen (102) angeordnete Abstandshalterelemente (126) des Batteriemoduls (100) identisch ausgebildet sind.
• Ausführungsform 62:
  • Batteriemodul nach einer der Ausführungsformen 37 bis 61, dadurch gekennzeichnet, dass das Rahmenelement (134) und/oder das Zwischenelement (168) jeweils ein Temperierelement (178) umfassen oder bilden.
• Ausführungsform 63:
  • Batteriemodul nach einer der Ausführungsformen 29 bis 62, dadurch gekennzeichnet, dass das Batteriemodul (100) ein Batteriemodulgehäuse umfasst, in welchem die galvanischen Zellen (102) des Batteriemoduls angeordnet sind.
• Ausführungsform 64:
  • Verfahren zum Anbringen von Abstandshalterelementen (126) an einer galvanischen Zelle (102), wobei das Verfahren Folgendes umfasst:
    • - Bereitstellen einer galvanischen Zelle (102), welche einen oder mehrere Zellwickel (110) umfasst;
    • - Aufbringen eines oder mehrerer Abstandshalterelemente (126) aus einem gießfähigen, spritzfähigen und/oder druckfähigen Material (195) auf ein Zellgehäuse (106) der galvanischen Zelle (102).
• Ausführungsform 65:
  • Verfahren nach Ausführungsform 64, dadurch gekennzeichnet, dass das eine oder die mehreren Abstandshalterelemente (126) mittels eines oder mehrerer der folgenden Aufbringverfahren auf das Zellgehäuse der galvanischen Zelle (102) aufgebracht werden:
    • - mittels eines Gießverfahrens;
    • - mittels eines Spritzverfahrens;
    • - mittels eines Druckverfahrens.
• Ausführungsform 66:
  • Verfahren nach Ausführungsform 65, dadurch gekennzeichnet, dass das eine oder die mehreren Abstandshalterelemente (102) mittels eines oder mehrerer der folgenden Druckverfahren auf das Zellgehäuse (106) der galvanischen Zelle (102) aufgebracht werden:
    • - mittels eines Siebdruckverfahrens;
    • - mittels eines Schablonendruckverfahrens.
• Ausführungsform 67:
  • Verfahren nach einer der Ausführungsformen 64 bis 66 dadurch gekennzeichnet, dass das gießfähige, spritzfähige und/oder druckfähige Material (195) ein Grundmaterial und in dem Grundmaterial angeordnete Abstandshalterpartikel umfasst.
• Ausführungsform 68:
  • Verfahren nach einer der Ausführungsformen 64 bis 67, dadurch gekennzeichnet, dass ein oder mehrere Propagationsschutzelemente (208) und/oder ein oder mehrere Kompensationselemente (170) aus einem gießfähigen, spritzfähigen und/oder druckfähigen Material (195) auf das Zellgehäuse (106) der galvanischen Zelle (102) aufgebracht werden.
• Ausführungsform 69:
  • Verfahren nach einer der Ausführungsformen 64 bis 68, dadurch gekennzeichnet, dass das eine oder die mehreren Abstandhalterelemente (126) mit einer Applikationsvorrichtung auf das Zellgehäuse (106) der galvanischen Zelle (102) aufgebracht werden.
• Ausführungsform 70:
  • Verfahren nach einer der Ausführungsformen 64 bis 69, dadurch gekennzeichnet, dass das eine oder die mehreren Abstandshalterelemente (126) mit einer lokal variierenden Dicke auf das Zellgehäuse (106) der galvanischen Zelle (102) aufgebracht werden.
• Ausführungsform 71:
  • Verfahren nach einer der Ausführungsformen 64 bis 70, dadurch gekennzeichnet, dass das eine oder die mehreren Abstandshalterelemente (126) mittelbar oder unmittelbar auf das Zellgehäuse (106) der galvanischen Zelle (102) aufgebracht werden.
• Ausführungsform 72:
  • Verfahren nach einer der Ausführungsformen 64 bis 71, dadurch gekennzeichnet, dass nacheinander mehrere Schichten des gießfähigen, spritzfähigen und/oder druckfähigen Materials (195) auf das Zellgehäuse (106) der galvanischen Zelle (102) aufgebracht werden.
• Ausführungsform 73:
  • Verfahren nach einer der Ausführungsformen 64 bis 72, dadurch gekennzeichnet, dass das gießfähige, spritzfähige und/oder druckfähige Material (195) Polyurethan und/oder Silikon umfasst oder durch dieses gebildet wird.
• Ausführungsform 74:
  • Verfahren nach einer der Ausführungsformen 64 bis 73, dadurch gekennzeichnet, dass als Abstandshalterelemente (126) eine Wulst (197) und/oder Noppen (188) auf das Zellgehäuse (106) der galvanischen Zelle (102) aufgebracht, beispielsweise aufgespritzt, werden.
• Ausführungsform 75:
  • Verfahren nach einer der Ausführungsformen 64 bis 74, dadurch gekennzeichnet, dass das gießfähige, spritzfähige und/oder druckfähige Material () durch eine Schablone auf das Zellgehäuse (106) der galvanischen Zelle (102) aufgebracht wird.
• Ausführungsform 76:
  • Verfahren zum Herstellen eines Batteriemoduls (100), wobei das Verfahren Folgendes umfasst:
    • - Bereitstellen von zwei oder mehr als zwei galvanischen Zellen (102), an welchen Abstandshalterelemente (126) durch ein Verfahren nach einer der Ausführungsformen 64 bis 75 angebracht sind;
    • - Stapeln der galvanischen Zellen (102) entlang einer Stapelrichtung (104).

Special embodiments are the following:

• Embodiment 1:
  • Galvanic cell ( 102 ), which includes :,
    • - one or more cell wraps ( 110 );
    • - a cell housing ( 106 ), which has a recording room ( 122 ) to accommodate one or more cell rolls ( 110 ) includes,
  where the one or more cell rolls ( 110 ) in the recording room ( 122 ) of the cell housing ( 106 ) are included and where the cell housing ( 106 ) one or more spacer elements ( 126 ) includes or forms.
• Embodiment 2:
  • Galvanic cell according to embodiment 1, characterized in that the cell housing ( 106 ) the galvanic cell ( 102 ) on a main page ( 114 ) of the cell housing ( 106 ), especially on both main sides ( 114 ) of the cell housing ( 106 ), one or more spacer areas ( 196 ) and a middle area ( 198 ), wherein the one or more spacer regions ( 196 ) perpendicular to a median plane of a cell roll ( 110 ) the galvanic cell ( 102 ) from the middle area ( 198 ) protrude and each have a spacer element ( 126 ) form.
• Embodiment 3:
  • Galvanic cell according to embodiment 1 or 2, characterized in that the one or more cell coils ( 110 ) the galvanic cell ( 102 ) two deflection areas ( 118 ) includes in which winding layers of the respective cell roll ( 110 ) are deflected, the winding layers in a respective deflection area ( 118 ) a common wrapping line ( 120 ), and / or that the one or more cell rolls ( 110 ) the galvanic cell ( 102 ) one between the two deflection areas ( 118 ) arranged intermediate area ( 122 ) include.
• Embodiment 4:
  • Galvanic cell according to embodiment 3, characterized in that a cell housing wall ( 136 ) of the cell housing ( 106 ) the galvanic cell ( 102 ) in the intermediate area ( 122 ) a cell roll ( 110 ) the galvanic cell ( 102 ) on the cell roll ( 110 ) is present.
• Embodiment 5:
  • Galvanic cell according to embodiment 3 or 4, characterized in that a cell housing wall ( 132 ) of the cell housing ( 106 ) the galvanic cell ( 102 ) in the deflection area ( 118 ) a cell roll ( 110 ) the galvanic cell ( 102 ) not on the cell roll ( 110 ) is present.
• Embodiment 6:
  • Galvanic cell according to one of the embodiments 2 to 5, characterized in that the one or more spacer areas ( 196 ) at an edge area, in particular at an annularly closed edge area, a respective main side 114 ) of the cell housing ( 106 ) of a respective galvanic cell ( 106 ) are arranged.
• Embodiment 7:
  • Galvanic cell according to one of the embodiments 1 to 6, characterized in that the cell housing ( 106 ) the galvanic cell ( 102 ) on both main sides ( 114 ) is essentially concave.
• Embodiment 8:
  • Galvanic cell according to one of the embodiments 1 to 6, characterized in that the cell housing ( 106 ) the galvanic cell ( 102 ) on a main page ( 114 ) essentially concave and on one main side ( 114 ) is essentially essentially convex.
• Embodiment 9:
  • Galvanic cell according to one of the embodiments 1 to 8, characterized in that the cell housing ( 106 ) the galvanic cell ( 102 ) comprises or is formed by a metallic material, for example aluminum.
• Embodiment 10:
  • Battery module ( 100 ), comprising two or more than two galvanic cells ( 102 ) according to one of the embodiments 1 to 9.
• Embodiment 11:
  • Battery module ( 100 ) according to embodiment 10, characterized in that the cell housing ( 106 ) two neighboring galvanic cells ( 102 ) in the area of the cell housing ( 106 ) of the galvanic cells ( 102 ) formed spacer elements ( 126 ) are in direct contact with one another.
• Embodiment 12:
  • Battery module ( 100 ) according to embodiment 10 or 11, characterized in that the cell housing ( 106 ) two neighboring galvanic cells ( 102 ) are designed in such a way that cell housing walls ( 132 ) of the two neighboring galvanic cells ( 102 ) by means of the cell housing ( 106 ) formed spacer elements ( 126 ) in an at least partially, preferably in an annular closed, by the spacer elements ( 126 ) limited space ( 202 ) are arranged spaced from each other.
• Embodiment 13:
  • Battery module according to embodiment 12, characterized in that in the intermediate space ( 202 ) one or more additional elements ( 204 ) are arranged, for example one or more compensation elements ( 206 ), one or more propagation protection elements ( 208 ), one or more sensor elements ( 209 ) and / or one or more temperature control elements ( 210 ).
• Embodiment 14:
  • Battery module according to one of Claims 10 to 13, characterized in that two adjacent galvanic cells ( 102 ) by means of one or more through the cell housing ( 106 ) of the galvanic cells ( 102 ) formed spacer elements ( 126 ) in a stacking direction ( 104 ) of the battery module ( 100 ) are positioned or can be positioned in a clear orientation relative to one another.
• Embodiment 15:
  • Galvanic cell ( 102 ), which includes:
    • - one or more cell wraps ( 110 );
    • - a cell housing ( 106 ), which has a recording room ( 112 ) to accommodate one or more cell rolls ( 110 ) includes;
    • - one or more compensation elements ( 212 ), whereby the one or more cell rolls ( 110 ) in the recording room ( 112 ) of the cell housing ( 106 ) are included and where the one or more compensation elements ( 212 ) in the recording room ( 112 ) of the cell housing ( 106 ) are arranged.
• Embodiment 16:
  • Galvanic cell according to embodiment 15, characterized in that the one or more compensation elements ( 212 ) are compressible, especially perpendicular to a main side ( 114 ) of the cell housing ( 106 ) and / or perpendicular to a median plane of a cell roll ( 110 ) the galvanic cell ( 102 ).
• Embodiment 17:
  • Galvanic cell according to embodiment 15 or 16, characterized in that the one or more compensation elements ( 212 ) in a delivery state of the galvanic cell ( 102 ) perpendicular to a median plane of a cell roll ( 110 ) the galvanic cell ( 102 ) a thickness ( 214 ) in such a way that the one or more within the cell housing ( 106 ) the galvanic cell ( 102 ) arranged compensation elements ( 212 ) and inside the cell housing ( 106 ) arranged cell rolls ( 110 ) a recording room ( 112 ) of the cell housing perpendicular to the median plane of the cell roll ( 110 ) the galvanic cell ( 102 ) essentially fill in completely.
• Embodiment 18:
  • Galvanic cell according to one of the embodiments 15 to 17, characterized in that the one or more compensation elements ( 212 ) comprise a compressible material or are formed from a compressible material.
• Embodiment 19:
  • Galvanic cell according to embodiment 18, characterized in that the compressible material is a foam material.
• Embodiment 20:
  • Galvanic cell according to one of the embodiments 15 to 19, that one or more of the in the receiving space ( 112 ) of the cell housing ( 106 ) arranged compensation elements ( 212 ) between two adjacent cell rolls ( 110 ) the galvanic cell ( 102 ) are arranged.
• Embodiment 21:
  • Galvanic cell according to one of the embodiments 15 to 20, characterized in that one or more of the in the receiving space ( 112 ) of the cell housing ( 106 ) arranged compensation elements ( 212 ) between a cell housing wall ( 136 ) of the cell housing ( 106 ) and a cell roll ( 110 ) the galvanic cell ( 102 ) are arranged, in particular with reference to a perpendicular to a center plane of the cell roll ( 110 ) running direction.
• Embodiment 22:
  • Galvanic cell according to one of the embodiments 16 to 21, characterized in that between the cell housing walls ( 132 ) two main pages ( 114 ) of the cell housing ( 106 ) the galvanic cell ( 102 ) and one or more inside the cell housing ( 106 ) arranged cell rolls ( 110 ) one or more compensation elements ( 212 ) are arranged.
• Embodiment 23:
  • Galvanic cell according to one of the embodiments 20 to 22, characterized in that one between two adjacent cell coils ( 110 ) of the galvanic cells ( 102 ) arranged compensation element ( 212 ) and / or between a cell housing wall ( 132 ) of the cell housing ( 106 ) and a cell roll ( 110 ) the galvanic cell ( 102 ) arranged compensation element ( 212 ) parallel to a winding direction ( 124 ) of the cell roll ( 110 ) has a width (216) which is at least approximately the width of an intermediate region ( 122 ) of the cell roll ( 110 ) corresponds.
• Embodiment 24:
  • Galvanic cell according to one of the embodiments 15 to 24, characterized in that one or more of the in the receiving space ( 112 ) of the cell housing ( 106 ) arranged compensation elements ( 212 ) within one or more cell rolls ( 110 ) the galvanic cell ( 102 ) are arranged.
• Embodiment 25:
  • Galvanic cell according to embodiment 24, characterized in that a cell coil ( 110 ) arranged compensation element ( 212 ) the galvanic cell ( 102 ) essentially parallel to a median plane of the respective cell roll ( 110 ) is arranged.
• Embodiment 26:
  • Galvanic cell according to embodiment 24 or 25, characterized in that a cell coil ( 110 ) arranged compensation element ( 212 ) the galvanic cell ( 102 ) parallel to a winding direction ( 124 ) of the cell roll ( 110 ) one width ( 216 ), which is essentially the width of an intermediate area ( 122 ) of the cell roll ( 110 ) corresponds.
• Embodiment 27:
  • Galvanic cell according to one of the embodiments 15 to 26, characterized in that one or more of the in the receiving space ( 112 ) of the cell housing ( 106 ) arranged compensation elements ( 212 ) in a parallel to a common winding line ( 120 ) a cell roll ( 110 ) running direction have a height which is substantially the same as the height of the one or more cell rolls ( 110 ) the galvanic cell ( 102 ) corresponds.
• Embodiment 28:
  • Battery module ( 100 ), where the battery module ( 100 ) Includes:
    • two or more than two galvanic cells ( 102 ) according to one of the embodiments 15 to 27.
• Embodiment 29:
  • Battery module ( 100 ), where the battery module ( 100 ) Includes:
    • - two or more than two galvanic cells ( 102 ), which each have one or more cell rolls ( 110 ) include;
    • - one or more spacer elements ( 126 ), with one or more spacer elements ( 126 ) between two neighboring galvanic cells ( 102 ) are arranged.
• Embodiment 30:
  • Battery module according to embodiment 29, characterized in that a respective cell coil ( 110 ) of the galvanic cells ( 102 ) of the battery module ( 100 ) two deflection areas ( 118 ) includes in which winding layers of the respective cell roll ( 110 ) are deflected, the winding layers in a respective deflection area ( 118 ) a common wrapping line ( 120 ) exhibit.
• Embodiment 31:
  • Battery module according to embodiment 30, characterized in that the one or more spacer elements ( 126 ) are each arranged and / or designed in such a way that in a stacking direction ( 104 ) of the battery module ( 100 ) by means of the spacer elements ( 126 ) introduction of force into one or more cell coils ( 110 ) of a respective galvanic cell ( 102 ) is avoidable, especially in the area of a wrapping line ( 120 ) of a respective deflection area ( 118 ) of the one or more cell rolls ( 110 ).
• Embodiment 32:
  • Battery module according to one of the embodiments 29 to 31, characterized in that a power flow between adjacent galvanic cells ( 102 ) in a stacking direction ( 104 ) of the battery module ( 100 ) exclusively or at least approximately 75%, in particular at least about 85%, preferably at least about 95%, via the one or more spacer elements ( 126 ) he follows.
• Embodiment 33:
  • Battery module according to one of the embodiments 29 to 32, characterized in that the galvanic cells ( 102 ) are prismatic cells, in particular essentially cuboid cells.
• Embodiment 34:
  • Battery module according to one of the embodiments 29 to 33, characterized in that a respective galvanic cell ( 102 ) one cell housing each ( 106 ), in which the one or more cell rolls ( 110 ) of a respective galvanic cell ( 102 ) are arranged.
• Embodiment 35:
  • Battery module according to one of the embodiments 29 to 34, characterized in that between cell housings ( 106 ) two neighboring galvanic cells ( 102 ) one or more spacer elements ( 126 ) are arranged.
• Embodiment 36:
  • Battery module according to embodiment 35, characterized in that one or more spacer elements ( 126 ), which between cell housings ( 106 ) two neighboring galvanic cells ( 102 ) are arranged on a main page ( 114 ) the respective cell housing ( 106 ) are arranged.
• Embodiment 37:
  • Battery module according to embodiment 35 or 36, characterized in that one or more between two cell housings ( 106 ) two neighboring galvanic cells ( 102 ) arranged spacer elements ( 126 ) one frame element each ( 134 ) and / or an intermediate element ( 168 ) include or form.
• Embodiment 38:
  • Battery module according to embodiment 37, characterized in that a respective frame element ( 134 ) one of the frame element ( 134 ) and the two neighboring cell housings ( 106 ) surrounding interior ( 138 ) at least regionally, for example at least two-sided, limited.
• Embodiment 39:
  • Battery module according to embodiment 37 or 38, characterized in that a respective frame element ( 134 ) Includes:
    • - two support bars ( 140 ), which are parallel to each other and / or parallel to a common winding line ( 120 ) a deflection area ( 118 ) a cell roll ( 110 ) a galvanic cell ( 102 ) are arranged; and or
    • - one or more connecting bridges ( 142 ), whereby the two support webs ( 140 ) by means of the one or more connecting webs ( 142 ) are connected.
• Embodiment 40:
  • Battery module according to one of the embodiments 37 to 39, characterized in that a respective frame element ( 134 ) is formed in a closed ring shape.
• Embodiment 41:
  • Battery module according to embodiment 39 or 40, characterized in that the two support webs ( 140 ) and / or the one or more connecting webs ( 142 ) transversely, in particular perpendicular, to a main direction of extent of the same an essentially constant width ( 144 ) exhibit.
• Embodiment 42:
  • Battery module according to embodiment 41, characterized in that the width ( 144 ) of the two support bars ( 140 ) essentially the width ( 144 ) of the one or more connecting webs ( 142 ) corresponds.
• Embodiment 43:
  • Battery module according to embodiment 41, characterized in that the width ( 144 ) of the two support bars ( 140 ) from the width ( 144 ) of the one or more connecting webs ( 142 ) is different.
• Embodiment 44:
  • Battery module according to one of the embodiments 41 to 43, characterized in that the width ( 144 ) of the two support bars ( 140 ) approximately the sum of a wall thickness ( 152 ) a cell housing wall ( 132 ) of a cell housing ( 106 ) a galvanic cell ( 102 ), a distance ( 150 ) a cell roll ( 110 ) to the cell housing wall ( 132 ) of the cell housing ( 106 ) and a width ( 154 ) a deflection area ( 118 ) a cell roll ( 110 ) corresponds.
• Embodiment 45:
  • Battery module according to one of the embodiments 39 to 44, characterized in that a projection of a respective support web ( 140 ) of a frame element ( 134 ), especially one on a cell housing ( 106 ) a galvanic cell ( 102 ) adjacent area of the support web ( 140 ), along the stacking direction ( 104 ) on a perpendicular to the stacking direction ( 104 ) arranged projection plane a distance from a projection of a respective common winding line ( 120 ) a deflection area ( 118 ) a cell roll ( 110 ) a galvanic cell ( 102 ) having.
• Embodiment 46:
  • Battery module according to one of the embodiments 39 to 45, characterized in that the support webs ( 140 ) of the frame element ( 134 ) and / or the connecting webs ( 142 ) of the frame element ( 134 ) in a parallel to a stacking direction ( 104 ) of the battery module ( 100 ) running direction has a constant thickness ( 146 ) exhibit.
• Embodiment 47:
  • Battery module according to one of the embodiments 39 to 45, characterized in that the support webs ( 140 ) of the frame element ( 134 ) and / or the connecting webs ( 142 ) of the frame element ( 134 ) in a parallel to a stacking direction ( 104 ) of the battery module ( 100 ) running direction a locally varying thickness ( 146 ) exhibit.
• Embodiment 48:
  • Battery module according to one of the embodiments 38 to 47, characterized in that the intermediate element ( 168 ) in the interior ( 138 ) is arranged.
• Embodiment 49:
  • Battery module according to one of the embodiments 37 to 48, characterized in that the frame element ( 134 ) is one-part or multi-part, for example two-part.
• Embodiment 50:
  • Battery module according to one of the embodiments 37 to 49, characterized in that between cell housings ( 106 ) two neighboring galvanic cells ( 102 ) two spacer elements each ( 126 ), especially two frame elements ( 134 ), are arranged.
• Embodiment 51:
  • Battery module according to one of the embodiments 37 to 50, characterized in that the frame element ( 134 ) with the intermediate element ( 168 ) is at least partially connected, in particular cohesively.
• Embodiment 52:
  • Battery module according to one of the embodiments 37 to 51, characterized in that the frame element ( 134 ) and the intermediate element ( 168 ) comprise different materials or are formed from different materials.
• Embodiment 53:
  • Battery module according to one of the embodiments 37 to 52, characterized in that the intermediate element ( 168 ) a deformable compensation element ( 170 ) forms.
• Embodiment 54:
  • Battery module according to embodiment 53, characterized in that the compensation element ( 170 ) parallel to a stacking direction ( 104 ) of the battery module ( 100 ) is compressible.
• Embodiment 55:
  • Battery module according to embodiment 53 or 54, characterized in that the compensation element ( 170 ) one or more deformation elements ( 184 ) includes.
• Embodiment 56:
  • Battery module according to one of the embodiments 37 to 55, characterized in that an edge region ( 182 ) a spacer element ( 126 ), especially a ring-shaped closed edge area ( 182 ), is multi-layered, the multi-layer edge area ( 182 ) a frame element ( 134 ) forms.
• Embodiment 57:
  • Battery module according to one of the embodiments 37 to 56, characterized in that a respective spacer element ( 126 ), in particular a respective frame element ( 134 ) and / or a respective intermediate element ( 168 ), a metallic material, a paper material or a plastic material or are formed from this.
• Embodiment 58:
  • Battery module according to one of the embodiments 37 to 57, characterized in that a power flow between adjacent galvanic cells ( 102 ) in a stacking direction ( 104 ) of the battery module ( 100 ) exclusively or at least about 75%, in particular at least about 85%, preferably at least about 95%, via the frame element ( 134 ) of the one or more spacer elements ( 126 ) he follows.
• Embodiment 59:
  • Battery module according to one of the embodiments 35 to 58, characterized in that a cell housing ( 106 ) two neighboring galvanic cells ( 102 ) arranged spacer element ( 126 ), especially a frame element ( 134 ), each with the cell housings ( 106 ) of the two neighboring galvanic cells ( 102 ) cohesively connected, in particular glued, is.
• Embodiment 60:
  • Battery module according to embodiment 59, characterized in that the cell housing ( 106 ) two neighboring galvanic cells ( 102 ) arranged spacer element ( 126 ), especially a frame element ( 134 ) of the spacer element ( 126 ), each with an adhesive film ( 136 ), each between a main page ( 114 ) of a cell housing ( 106 ) of a respective galvanic cell ( 102 ) and the spacer element ( 126 ), especially the frame element ( 134 ), is arranged with the cell housings ( 106 ) of the two neighboring galvanic cells ( 102 ) is glued.
• Embodiment 61:
  • Battery module according to one of the embodiments 35 to 60, characterized in that all between two cell housings ( 106 ) two neighboring galvanic cells ( 102 ) arranged spacer elements ( 126 ) of the battery module ( 100 ) are designed identically.
• Embodiment 62:
  • Battery module according to one of the embodiments 37 to 61, characterized in that the frame element ( 134 ) and / or the intermediate element ( 168 ) one temperature control element each ( 178 ) include or form.
• Embodiment 63:
  • Battery module according to one of the embodiments 29 to 62, characterized in that the battery module ( 100 ) comprises a battery module housing in which the galvanic cells ( 102 ) of the battery module are arranged.
• Embodiment 64:
  • Procedure for attaching spacer elements ( 126 ) on a galvanic cell ( 102 ), the method comprising:
    • - Provision of a galvanic cell ( 102 ), which contain one or more cellular wraps ( 110 ) includes;
    • - Applying one or more spacer elements ( 126 ) made of a pourable, injectable and / or printable material ( 195 ) on a cell housing ( 106 ) the galvanic cell ( 102 ).
• Embodiment 65:
  • Method according to embodiment 64, characterized in that the one or more spacer elements ( 126 ) using one or more of the following application processes on the cell housing of the galvanic cell ( 102 ) are applied:
    • - by means of a casting process;
    • - by means of a spraying process;
    • - by means of a printing process.
• Embodiment 66:
  • Method according to embodiment 65, characterized in that the one or more spacer elements ( 102 ) using one or more of the following printing processes on the cell housing ( 106 ) the galvanic cell ( 102 ) are applied:
    • - by means of a screen printing process;
    • - by means of a stencil printing process.
• Embodiment 67:
  • Method according to one of the embodiments 64 to 66, characterized in that the pourable, injectable and / or printable material ( 195 ) comprises a base material and spacer particles arranged in the base material.
• Embodiment 68:
  • Method according to one of the embodiments 64 to 67, characterized in that one or more propagation protection elements ( 208 ) and / or one or more compensation elements ( 170 ) made of a pourable, injectable and / or printable material ( 195 ) on the cell housing ( 106 ) the galvanic cell ( 102 ) are applied.
• Embodiment 69:
  • Method according to one of the embodiments 64 to 68, characterized in that the one or more spacer elements ( 126 ) with an application device on the cell housing ( 106 ) the galvanic cell ( 102 ) are applied.
• Embodiment 70:
  • Method according to one of the embodiments 64 to 69, characterized in that the one or more spacer elements ( 126 ) with a locally varying thickness on the cell housing ( 106 ) the galvanic cell ( 102 ) are applied.
• Embodiment 71:
  • Method according to one of the embodiments 64 to 70, characterized in that the one or more spacer elements ( 126 ) directly or indirectly on the cell housing ( 106 ) the galvanic cell ( 102 ) are applied.
• Embodiment 72:
  • Method according to one of the embodiments 64 to 71, characterized in that several layers of the pourable, injectable and / or printable material ( 195 ) on the cell housing ( 106 ) the galvanic cell ( 102 ) are applied.
• Embodiment 73:
  • Method according to one of the embodiments 64 to 72, characterized in that the pourable, injectable and / or printable material ( 195 ) Comprises or is formed by polyurethane and / or silicone.
• Embodiment 74:
  • Method according to one of the embodiments 64 to 73, characterized in that the spacer elements ( 126 ) a bead ( 197 ) and / or knobs ( 188 ) on the cell housing ( 106 ) the galvanic cell ( 102 ) applied, for example sprayed on.
• Embodiment 75:
  • Method according to one of embodiments 64 to 74, characterized in that the pourable, injectable and / or printable material () is applied to the cell housing ( 106 ) the galvanic cell ( 102 ) is applied.
• Embodiment 76:
  • Procedure for manufacturing a battery module ( 100 ), the method comprising:
    • - Provision of two or more than two galvanic cells ( 102 ), on which spacer elements ( 126 ) are attached by a method according to any of embodiments 64 to 75;
    • - stacking the galvanic cells ( 102 ) along a stacking direction ( 104 ).

Overall, galvanic cells can 102 and / or battery modules 100 , which are multiple galvanic cells 102 include, are provided, which have an increased service life and which in particular can be produced simply and inexpensively.

Claims (14)

A galvanic cell (102) comprising: - One or more cell rolls (110); - A cell housing (106) which comprises a receiving space (112) for receiving the one or more cell rolls (110); - One or more compensation elements (212), wherein the one or more cell rolls (110) are received in the receiving space (112) of the cell housing (106) and wherein the one or more compensation elements (212) are received in the receiving space (112) of the Cell housing (106) are arranged. Galvanic cell after Claim 1 , characterized in that the one or more compensation elements (212) are compressible, in particular perpendicular to a main side (114) of the cell housing (106) and / or perpendicular to a center plane of a cell coil (110) of the galvanic cell (102). Galvanic cell after Claim 1 or 2 , characterized in that the one or more compensation elements (212) in a delivery state of the galvanic cell (102) perpendicular to a center plane of a cell coil (110) of the galvanic cell (102) have a thickness (214) such that the one or more the plurality of compensation elements (212) arranged within the cell housing (106) of the galvanic cell (102) and cell rolls (110) arranged inside the cell housing (106) a receiving space (112) of the cell housing perpendicular to the center plane of the cell roll (110) of the galvanic cell (102) should essentially be filled out completely. Galvanic cell according to one of the Claims 1 to 3 , characterized in that the one or more compensation elements (212) comprise a compressible material or are formed from a compressible material. Galvanic cell after Claim 4 , characterized in that the compressible material is a foam material. Galvanic cell according to one of the Claims 1 to 5 , characterized in that one or more of the compensation elements (212) arranged in the receiving space (112) of the cell housing (106) are arranged between two adjacent cell coils (110) of the galvanic cell (102). Galvanic cell according to one of the Claims 1 to 6 , characterized in that one or more of the compensation elements (212) arranged in the receiving space (112) of the cell housing (106) are arranged between a cell housing wall (136) of the cell housing (106) and a cell roll (110) of the galvanic cell (102) , in particular based on a direction perpendicular to a center plane of the cell roll (110). Galvanic cell according to one of the Claims 1 to 7th , characterized in that between the cell housing walls (132) of two main sides (114) of the cell housing (106) of the galvanic cell (102) and one or more cell coils (110) arranged within the cell housing (106) each one or more compensation elements (212) are arranged are. Galvanic cell according to one of the Claims 6 to 8th , characterized in that a compensation element (212) arranged between two adjacent cell rolls (110) of the galvanic cells (102) and / or one between a cell housing wall (132) of the cell housing (106) and a cell roll (110) of the galvanic cell (102 ) arranged compensation element (212) parallel to a winding direction (124) of the cell roll (110) has a width (216) which corresponds at least approximately to the width of an intermediate region (122) of the cell roll (110). Galvanic cell according to one of the Claims 1 to 9 , characterized in that one or more of the compensation elements (212) arranged in the receiving space (112) of the cell housing (106) are arranged within one or more cell rolls (110) of the galvanic cell (102). Galvanic cell after Claim 10 , characterized in that a compensation element (212) of the galvanic cell (102) arranged within a cell roll (110) is arranged essentially parallel to a center plane of the respective cell roll (110). Galvanic cell after Claim 10 or 11 , characterized in that a compensation element (212) of the galvanic cell (102) arranged within a cell roll (110) has a width (216) parallel to a winding direction (124) of the cell roll (110) which is essentially the width of an intermediate region ( 122) of the cell roll (110) corresponds. Galvanic cell according to one of the Claims 1 to 12 , characterized in that one or more of the compensation elements (212) arranged in the receiving space (112) of the cell housing (106) have a height in a direction running parallel to a common winding line (120) of a cell roll (110) which is essentially one Corresponds to the height of the one or more cell rolls (110) of the galvanic cell (102). Battery module (100), the battery module (100) comprising: two or more than two galvanic cells (102) according to one of the Claims 1 to 13 .

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