EP4128425A1 - Module de batterie, dispositifs de batterie et procédé de fabrication d'un module de batterie - Google Patents

Module de batterie, dispositifs de batterie et procédé de fabrication d'un module de batterie

Info

Publication number
EP4128425A1
EP4128425A1 EP21715518.3A EP21715518A EP4128425A1 EP 4128425 A1 EP4128425 A1 EP 4128425A1 EP 21715518 A EP21715518 A EP 21715518A EP 4128425 A1 EP4128425 A1 EP 4128425A1
Authority
EP
European Patent Office
Prior art keywords
battery module
galvanic cells
elements
cell
battery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21715518.3A
Other languages
German (de)
English (en)
Inventor
Jochen Hantschel
Michael Grotz
Stephanie ROSENKRANZ
Alexander LEICHTFUSS
Maximilian Heim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ElringKlinger AG
Original Assignee
ElringKlinger AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ElringKlinger AG filed Critical ElringKlinger AG
Publication of EP4128425A1 publication Critical patent/EP4128425A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/521—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/0431—Cells with wound or folded electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/242—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
    • H01M50/512—Connection only in parallel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present invention relates to battery modules which comprise galvanic cells.
  • Battery modules typically include one or more galvanic cells.
  • galvanic cells are often subject to a Schwellver 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 ).
  • SEI solid electrolyte interphase
  • 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 battery module which comprises a plurality of galvanic cells, which has an increased service life and which, in particular, can be produced simply and inexpensively.
  • the battery module preferably comprises the following: several galvanic cells, in particular several prismatic cells or several pouch cells, which are arranged along a stacking direction; one or more connecting bodies, wherein the one or more connecting bodies connect the galvanic cells to one another in the stacking direction.
  • the galvanic cells of the battery module are connected to one another by means of the one or more connecting bodies, in particular in a materially bonded and / or form-fitting manner.
  • the battery module has in particular 4 to 24 galvanic cells, preferably 8 to 16 galvanic cells, for example 12 galvanic cells.
  • the galvanic cells are prismatic cells, in particular essentially cuboid cells.
  • the galvanic cells are designed according to the PHEV2 format.
  • a cell housing of a respective galvanic cell is prismatic, in particular essentially cuboid.
  • 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, in particular two short secondary sides and two long secondary sides.
  • the two main sides and / or in each case two secondary sides are preferably arranged on opposite sides of a respective galvanic cell and / or a cell housing of a respective galvanic cell.
  • 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 short secondary sides preferably have the same width as the long secondary sides, in particular in a direction running parallel to the stacking direction of the battery module.
  • the long secondary sides preferably have a greater length than the short secondary sides, in particular in a direction perpendicular to the stacking direction of the battery module Rich device.
  • a respective galvanic cell comprises a cell housing in which the one or more cell coils of a respective galvanic cell are arranged.
  • a galvanic cell preferably comprises one or more cell rolls (“jelly rolls”).
  • a cell housing of a respective galvanic cell in particular delimits a receiving space in which the one or more cell windings of a respective galvanic cell are received.
  • 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.
  • a respective galvanic cell comprises two cell coils.
  • central planes of two cell winding arranged parallel to one another are each arranged parallel to one another.
  • a respective cell roll of a 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 is preferably 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.
  • a layer sequence in a winding layer of a cell roll is therefore 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 and / or copper.
  • the separator layers preferably comprise an electrical insulating material or are formed from this, for example polyethylene and / or polypropylene.
  • 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 coil line.
  • 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.
  • 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 formed by winding the winding layer web.
  • 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.
  • 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 winding layers of a respective cell roll are arranged in the intermediate region of the cell roll essentially perpendicular to a stacking direction of the battery module and / or parallel to a center plane of the cell roll.
  • winding layers of the cell roll are preferably deflected, in particular by approximately 180 °.
  • Cell coils of a galvanic cell of the battery module are preferably flat coils.
  • a flat roll is understood to mean in particular a cell roll which comprises several winding layers that 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 are arranged to a central plane of the cell roll.
  • the one or more connecting bodies each comprise an in particular one-piece connecting material body made of a connecting material and / or an in particular one-piece receiving body.
  • a connecting material body of the one or more connecting bodies is in particular a body produced by casting.
  • a respective receiving body forms a casting mold for the connecting material of the connecting material body during the production of the connecting body.
  • the connecting material body preferably comprises or is formed from a connecting material. It can also be favorable if the receiving body comprises or is formed from a plastic material.
  • the plastic material of the receiving body is a fiber-reinforced plastic material, for example a glass-fiber-reinforced, aramid-fiber-reinforced and / or carbon-fiber-reinforced plastic material.
  • the fiber-reinforced plastic material of the receiving body comprises a matrix material, for example polyamide, polypropylene or polybutylene terephthalate.
  • the plastic material of the receiving body is PA66-GF35 or PA66-GF50.
  • the plastic material of the receiving body is PBT-GF30 or PBT-GF25.
  • the plastic material of the receiving body has, in particular, a tensile strength of at least approximately 100 N / mm2, in particular of at least approximately 150 N / mm2, preferably of at least approximately 180 N / mm2.
  • the plastic material of the receiving body has a tensile strength of approximately 135 N / mm 2.
  • the plastic material of the receiving body has a tracking resistance (CTI) of at least approximately 400.
  • the receiving body is preferably an injection molded body.
  • the receiving body is in particular an injection molded component.
  • the receiving body preferably has an average wall thickness in the range from approximately 1 mm to approximately 5 mm, in particular in the range from approximately 1 mm to approximately 3 mm, for example from approximately 2 mm.
  • the receiving body comprises or is formed from a metallic material, for example steel or aluminum.
  • the connecting material body of a respective connecting body is received in the receiving body of the connecting body, in particular completely.
  • the connecting material body is received in the receiving body by introducing the connecting material into a receptacle of the receiving body, in particular by pouring a flowable and / or pourable connecting material and then curing the connecting material.
  • a flowable and / or pourable connection material is in particular also viscous or highly viscous.
  • a flowable and / or pourable connection material is in particular a mixture of a first component, in particular a resin material, and of a second component, in particular a hardener material.
  • a flowable and / or pourable connection material at 22 ° C has a dynamic viscosity in the range of approximately 300 mPas to approximately 12,000 mPas, for example in the range of approximately 300 mPas to approximately 10,000 mPas, preferably in the range of approximately 500 mPas to about 4500 mPas.
  • the connecting material body is cohesively connected to the receiving body.
  • the galvanic cells of the battery module in particular the cell housing of the galvanic cells, the connecting material of the connecting material body and the receiving body together form a composite component.
  • the fact that the galvanic cells of the battery module, in particular the cell housings of the galvanic cells, the connecting material of the connecting material body and the receiving body together form a composite component, enables a particularly high rigidity of the battery module in a direction running parallel to the stacking direction of the battery module.
  • the connecting material body preferably comprises a connecting material by means of which the galvanic cells of the battery module are materially connected to one another.
  • the connecting material forms in particular a connecting material body of the connecting body.
  • All galvanic cells of the battery module are preferably connected to one another in a materially bonded manner by means of the connecting material.
  • the galvanic cells of the battery module are potted with the connecting material preferably at normal pressure or at a negative pressure, for example at a pressure in the range from approximately 200 mbar to approximately 800 mbar.
  • the connecting material forms in particular one or more one-piece connecting material bodies, a one-piece connecting material body preferably connecting all galvanic cells of the battery module to one another in a materially and / or form-fitting manner.
  • the connecting material is a flowable and / or pourable material.
  • the connecting material is in particular a potting material.
  • the connecting material is a plastic material, in particular a thermosetting plastic material.
  • the connecting material comprises or is formed from a resin material.
  • the connecting material comprises a polyurethane material, in particular a polyurethane resin, or is formed by this.
  • the connecting material is a two-component casting resin based on polyurethane, polyether and / or polyester-polyols.
  • the connecting material comprises an epoxy material, in particular an epoxy resin, or is formed by this.
  • the connecting material preferably comprises a casting resin, in particular a polyurethane casting resin or an epoxy casting resin, or is formed by this.
  • the connecting material has a curing time at approximately 22 ° C until final chemical curing and / or complete crosslinking for about 7 days or about 168 hours.
  • the connecting material preferably has a temperature range of approximately minus 60 ° C to approximately 170 ° C.
  • the connecting material has a temperature application range from minus 40.degree. C. to 140.degree. C. or a temperature application range from minus 50.degree. C. to approximately 160.degree.
  • the connecting material is a two-component material.
  • the two-component material comprises a first component, for example a resin material, and a second component, for example a hardener material.
  • the hardener material is in particular a reaction triggering material which preferably initiates and / or triggers a crosslinking reaction of the resin material.
  • a temperature during curing and / or crosslinking of the connecting material is at most approximately 80 ° C., in particular at most approximately 70 ° C., preferably at most approximately 60 ° C.
  • the connecting material is, in particular, a material that hardens through crosslinking.
  • the connecting material is preferably a resin material, in particular a synthetic resin material.
  • the connecting material is formed from a first component and a second component by a polyaddition reaction.
  • the connecting material has a pot life in the range from approximately 1 minute to approximately 60 minutes, preferably in the range from approximately 20 minutes to approximately 50 minutes, for example from approximately 40 minutes.
  • the connecting material has a curing time of approximately 5 minutes to approximately 35 hours, in particular a curing time of approximately 1 hour to approximately 30 hours.
  • the connecting material has a curing time of approximately 8 to 12 hours at 22 ° C.
  • connection material has a curing time of approximately 16 to 30 hours at 22 ° C.
  • the connecting material has a curing time of approximately 5 minutes to approximately 10 minutes.
  • a curing time of the connecting material is understood to mean, in particular, a period of time within which the connecting material reaches at least approximately 80% of its maximum hardness and / or tensile strength, preferably at least approximately 90%.
  • the connection material has a density in the range from approximately 1.1 g / cm3 to approximately 2 g / cm3.
  • a density of the connecting material is, in particular, a density measured at 22 ° C.
  • the connecting material has a thermal conductivity in the range from approximately 0.8 W / m * K to approximately 2 W / m * K.
  • the connecting material has a thermal conductivity of approximately 1 W / m * K or a thermal conductivity of 1.5 W / m * K.
  • a thermal conductivity of the connecting material is in particular a thermal conductivity determined in accordance with DIN EN ISO 22007-2: 2008.
  • the connecting material has an electrical breakdown strength in the range from approximately 15 kV / mm to approximately 40 kV / mm, in particular in the range from approximately 20 kV / mm to approximately 36 kV / mm.
  • connection material has an electrical breakdown strength of approximately 24 kV / mm or that the connection material has an electrical breakdown strength of approximately 28 kV / mm.
  • an electrical dielectric strength of the connecting material is in particular an electrical dielectric strength determined in accordance with DIN EN 60243-1: 2013.
  • the connecting material has a specific volume resistance in the range from approximately 10 ⁇ 14 W / cm to approximately 10 ⁇ 15 W / cm.
  • a specific volume resistance of the connecting material is in particular a specific volume resistance determined at 23 ° C and 50% relative humidity according to DIN EN 60243-1: 2013.
  • connection material below a glass transition temperature of the connection material has a coefficient of thermal expansion in the range of approximately 50 ppm / K to approximately 210 ppm / K and / or that the connection material above a glass transition temperature of the connection material has a coefficient of thermal expansion in the range of approximately 50 ppm / K to approximately 250 ppm / K.
  • a glass transition temperature of the connecting material is in the range from approximately 5 ° C. to approximately 90 ° C., for example.
  • a glass transition temperature of the connecting material is approximately 10 ° C., for example.
  • the connecting material has a glass transition temperature of about 10 ° C and if the connecting material has a thermal expansion coefficient of about 72.5 ppm / K below the glass transition temperature and / or if the connecting material has a thermal above the glass transition temperature mix has expansion coefficients of approximately 141.7 ppm / K.
  • a coefficient of thermal expansion of the connecting material below the glass transition temperature of the connecting material is in particular a Thermal expansion coefficient determined according to ISO 11359-2: 1999-10 at a temperature below the glass transition temperature of the connecting material.
  • a coefficient of thermal expansion of the connecting material above the glass transition temperature of the connecting material is in particular a coefficient of thermal expansion determined according to ISO 11359-2: 1999-10 at a temperature above the glass transition temperature of the connecting material.
  • connection material has a hardening shrinkage in the range of approximately 0.5% to approximately 2%, for example approximately 1%.
  • curing shrinkage is understood to mean, in particular, a volume shrinkage of the connecting material during complete curing and / or complete networking of the connecting material.
  • the connecting material thus preferably takes up a smaller volume after complete curing and / or complete crosslinking than before complete curing and / or before complete crosslinking.
  • the connecting material of the connecting material body has a tensile strength in the range from approximately 5 N / mm 2 to approximately 80 N / mm 2, in particular in the range from approximately 30 N / mm 2 to approximately 60 N / mm 2.
  • the connecting material has a modulus of elasticity in the range from approximately 2000 N / mm2 to approximately 14000 N / mm2, in particular in the range from approximately 8000 N / mm2 to approximately 12000 N / mm2.
  • a respective connecting body in particular a respective receiving body of a connecting body, comprises a temperature control channel structure through which a temperature control medium can be conducted.
  • a temperature control medium is, for example, a temperature control liquid, in particular special water.
  • the galvanic cells of the battery module can preferably be temperature controlled, in particular cooled or heated.
  • a temperature control channel structure of a receiving body is, for example, a temperature control channel structure produced by roll bonding, in particular if the receiving body comprises or is formed from a metallic material, in particular aluminum.
  • a temperature control channel structure of a receiving body is a temperature control channel structure produced by welding, in particular by friction welding, of a plurality of partial bodies of the receiving body.
  • the galvanic cells are arranged at a distance from one another in the stacking direction, the galvanic cells in particular being arranged essentially parallel to one another.
  • the galvanic cells have a spacing of approximately 1 mm to approximately 5 mm, in particular approximately 2 mm to approximately 4 mm, for example approximately 2 mm, from one another in the stacking direction.
  • the galvanic cells are preferably arranged at a distance from one another by means of the one or more connecting bodies, in particular by means of the two connecting bodies.
  • Main sides of two adjacent galvanic cells are in particular arranged essentially parallel to one another.
  • the cell housings of two adjacent galvanic cells preferably do not rest against one another in the space.
  • one or more additional elements are arranged in the space, for example one or more propagation protection elements, one or more sensor elements and / or one or more temperature control elements.
  • a propagation protection element of a battery module comprises, for example, the following: a sheet silicate, in particular mica, vermiculite and / or expandable graphite;
  • Basalt a ceramic material; and / or a silicone mat with an endothermic filler 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.
  • a propagation protection element has a heat resistance of at least approximately 600.degree. C., for example a heat resistance of at least approximately 800.degree.
  • the galvanic cells adjoining the intermediate space can preferably be tempered, for example cooled.
  • 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.
  • 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 carried out by a external mechanical action of flowing temperature control medium, in particular by means of a temperature control liquid flowing through external mechanical action, realized.
  • passive temperature control is understood to mean, in particular, temperature control that takes place essentially through thermal conduction.
  • Propagation of thermal passage of a galvanic cell can preferably be delayed and / or prevented by means of one or more propagation protection elements arranged in the intermediate space.
  • a receiving body of a respective connecting body has a plurality of spacer elements which, parallel to the stacking direction of the battery module, have a width of approximately 1 to 5 mm, in particular from approximately 2 mm to approximately 4 mm, for example from about 2 mm.
  • the galvanic cells of the battery module are preferably positioned or positionable relative to one another and / or relative to a respective receiving body by means of the spacer elements.
  • the spacer elements of a respective receiving body have, for example, a distance from one another parallel to the stacking direction, which essentially corresponds to a width of a secondary side of a respective galvanic cell in a direction running parallel to the stacking direction of the battery module.
  • spacer elements of a respective receiving body are designed as heat conducting elements, in particular when the receiving body comprises or is formed from a metallic material.
  • spacer elements of a respective receiving body comprise a temperature control channel structure through which a temperature control medium, in particular a temperature control liquid, can be conducted.
  • the spacer elements of the receiving body are, for example, separating webs.
  • a respective spacer element comprises a plurality of separating pins, which in particular are each arranged in alignment in a direction running perpendicular to the stacking direction of the battery module.
  • a plurality of axially aligned separating pins preferably form a spacer element.
  • a respective connecting material body of the one or more connecting bodies is materially and / or positively connected to the galvanic cells of the battery module.
  • the galvanic cells of the battery module connect the one or more connecting bodies of the battery module to one another in a load-bearing manner.
  • the battery module comprises two connecting bodies, one connecting body being arranged on each short side of the galvanic cells of the battery module.
  • a connecting body is arranged on each of the two short adjacent sides of the galvanic cells of the battery module.
  • the battery module thus preferably comprises two connecting bodies, each of which includes a receiving body and a connecting material body.
  • the battery module comprises, in particular, a first connecting body, by means of which all galvanic cells are connected on a first side thereof.
  • the battery module preferably further comprises a second connection body, by means of which all galvanic cells are connected on a second side thereof.
  • a respective connecting body completely encloses a short secondary side of the galvanic cells and / or that a respective connecting body partially encloses both long secondary sides of the galvanic cells.
  • a respective connecting body partially encloses a main side of two galvanic cells that are external in a stacking direction of the battery module.
  • a respective receiving body of a connecting body has a C-shaped cross section.
  • a cross section of the receiving body is in particular a cross section taken perpendicular to the stacking direction of the battery module.
  • a respective receiving body is preferably cup-shaped or trough-shaped.
  • a cup-shaped receiving body and / or a C-shaped receiving body comprises in particular a bottom wall element and four side wall elements, in particular two short side wall elements and two long side wall elements.
  • the bottom wall element and / or the four side wall elements are designed to be essentially rectangular in particular in a respective plan view of the same.
  • a respective receiving body preferably comprises a receiving element in which the connecting material body of the connecting body is received.
  • all of the short ancillary sides of the galvanic cells of the battery module are preferably arranged on a first side of the galvanic cells.
  • all of the short ancillary sides of the galvanic cells of the battery module are preferably arranged on a second side of the galvanic cells.
  • the battery module comprises one or more connecting elements for the detachable and / or tool-free fixing of a cover element on the battery module.
  • one or more connecting elements for releasably and / or tool-free securing of the cover element to the battery module are designed as Velcro elements, in particular as Velcro straps.
  • one or more connecting elements for the detachable and / or tool-free securing of the cover element to the battery module are designed as magnetic elements, in particular as magnetic tapes.
  • an adhesive connection can be provided as one or more connecting elements for fixing the cover element to the battery module at least without tools.
  • one or more rows of individual magnets form one or more connecting elements for the detachable and / or tool-free fixing of the cover element on the battery module.
  • one or more connecting elements for detachable and / or tool-free securing of the cover element to the battery module are secured to the cover element by means of an adhesive connection.
  • At least one sub-element of the one or more connecting elements is preferably fixed to the cover element by means of an adhesive connection.
  • the one or more connecting elements for the detachable and / or tool-free securing of the cover element to the battery module each comprise two sub-elements, one of the sub-elements of each connecting element being secured or securable to the battery module, in particular is firmly glued or glued.
  • the sub-elements of the one or more connecting elements are preferably inextricably attached to the cover element or to the battery module.
  • a tool-free and / or releasable connec tion between the cover element and the battery module then results preferably in that the two sub-elements can be fixed to one another in a detachable manner and / or without tools.
  • One or more connecting elements preferably one or two or more than two sub-elements of one or more connecting elements, can in particular comprise a plastic material or be formed from a plastic material.
  • plastic material poly (p-phenylene terephthalamide) (PPTA) and / or poly (m-phenylene isophthalamide) (PMPI).
  • PPTA poly (p-phenylene terephthalamide)
  • PMPI poly (m-phenylene isophthalamide)
  • one or more connecting elements for detachable and / or tool-free fixing of the cover element on the battery module preferably one or two or more than two sub-elements of one or more connecting elements for detachable and / or tool-free fixing of the cover element on the Battery module, a metal material or are formed from a metal material.
  • plastic Velcro elements and / or metal Velcro elements can be provided.
  • a Velcro fastener element is to be understood as meaning, in particular, a connecting element for detachably and / or tool-free securing of the cover element to the battery module, which comprises, for example, two sub-elements with a plurality of individual connection elements that can be brought into engagement with one another to connect the sub-elements.
  • the individual connecting elements are hooks and eyes or loops and / or mushroom-like projections, latching elements and corresponding receptacles, etc.
  • the following combinations can be provided as individual connecting elements of the sub-elements:
  • Hook and loop tape (felt tape); and / or mushroom head tape and velor tape; and / or mushroom headband and loop tape; and / or mushroom headband on mushroom headband; and / or extruded hooks / mushrooms on knitted fabrics.
  • individual connectors are flexible barbs and flexible loops.
  • a hook-and-loop fastener element in particular one or more sub-elements of the hook-and-loop fastener element, can comprise or be formed from a woven, knitted or knitted hook-and-loop fastener.
  • polyamide, polyaramid, polyester and polyolefin fibers can be provided as the starting material, in particular as starting fibers.
  • one or more connecting elements preferably one or two or more than two sub-elements of one or more connecting elements, comprise a glass material, in particular glass fibers, or are formed therefrom.
  • heat-resistant and / or chemical-resistant connecting elements can be produced from this.
  • one or more connecting elements preferably one or two or more than two sub-elements of one or more connecting elements, are provided with an impregnation, in particular a fire-retardant and / or self-extinguishing impregnation.
  • a plastic material with one or more include or are formed from flame-retardant and / or self-extinguishing additives (aggregates).
  • the one or more connecting elements for detachable and / or tool-free securing of a cover element on the battery module is arranged on an upper side of the connecting body, in particular the receiving body, facing the cell poles of the galvanic cells of the battery module.
  • one or more connecting elements for detachable and / or tool-free securing of a cover element to the battery module are arranged on an upper side of two connecting bodies, in particular two receiving bodies, of the battery module.
  • one or more connecting elements for detachably and / or tool-free fixing of a cover element on the battery module is arranged on a long side wall element of the receiving body of a respective connecting body.
  • a width of a connecting material body in a direction running perpendicular to the stacking direction of the battery module and parallel to a long side of the galvanic cells is approximately 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 of the galvanic cell corresponds to the cell housing wall of the cell housing and a width of a deflection area of a cell coil of the galvanic cell.
  • a width of the connecting material body in a direction perpendicular to the stack and parallel to a long side of the galvanic cells running direction is in particular a width taken in a direction running parallel to a winding direction and / or perpendicular to a common winding line of a deflection area of a cell winding of a galvanic cell.
  • a width of the connecting material body corresponds in particular to an immersion depth of the galvanic cells in the connecting material of the connecting material body.
  • a width of the connecting material body and / or an immersion depth of the galvanic cells is in the range from approximately 1 mm to approximately 8 mm, in particular from approximately 3 mm to approximately 7 mm.
  • two galvanic cells adjacent in the stacking direction and / or two connecting bodies of the battery module in a direction perpendicular to the stacking direction of the battery module and / or parallel to a short side of the galvanic cells, in particular in a parallel direction limit a ventilation duct to the direction of gravity.
  • the two main sides of the galvanic cells adjacent in the stacking direction are at a distance from one another.
  • At least approximately 50%, preferably at least approximately 75%, of the respective surfaces of the two main sides are at a distance from one another.
  • the main sides of galvanic cells which are adjacent in the stacking direction are preferably arranged essentially parallel to one another.
  • the battery module comprises a fan device which is arranged and is designed that by means of the fan device, an air flow directed into the ventilation ducts of the battery module can be generated.
  • a respective connecting body in particular a respective receiving body, comprises one or more fastening elements, by means of which the battery module can be fixed to a housing of a battery device and which are each designed in particular to pass through a connecting element.
  • fastening elements are each arranged in end regions of a respective receiving body.
  • a respective receiving body comprises in particular two fastening elements.
  • Each battery module preferably comprises four fastening elements.
  • the fastening elements are in particular sleeve elements for implementing a screw element, for example a screw.
  • a respective battery module can preferably be fixed to a housing of a battery device by means of the fastening elements.
  • a battery module can be fixed to a housing of a battery device by means of a tension belt.
  • a longitudinal axis of the sleeve elements runs, for example, essentially parallel to a common winding line of a cell roll of a galvanic cell and / or parallel to a short adjacent side of a galvanic cell.
  • the fastening elements preferably comprise or are formed from a metallic material, for example steel or aluminum.
  • the fastening elements are in particular metallic sleeves.
  • the fastening elements of a respective connecting body are preferably encapsulated with the plastic material of the receiving body.
  • the fastening elements are encapsulated with the plastic material of the receiving body in an injection molding process when producing a respective receiving body.
  • the fastening elements of a respective receiving body are pressed into the plastic material of the receiving body.
  • the receiving body is first produced in an injection molding process, the fastening elements then being pressed into openings in the receiving body, which are introduced into the receiving body when the latter is produced.
  • connection bodies of the battery module in one embodiment, provision is made for two connection bodies of the battery module to be connected or connectable to one another in a force-fitting and / or form-fitting manner.
  • the battery module comprises one or more clamping elements, by means of which the two connecting bodies of the battery module are connected or can be connected to one another in a force-fitting and / or form-fitting manner.
  • a clamping force can be exerted on the two connecting bodies of the battery module by means of one or more clamping elements of the battery module, in particular a clamping force directed in a direction perpendicular to the stacking direction of the battery module and parallel to a long side of the galvanic cells of the battery module.
  • the two connecting bodies of a battery module can be clamped against each other and / or toward each other by means of one or more clamping elements.
  • One or more clamping elements of the battery module are, in particular, each clamp element.
  • a respective receiving body of a connecting body comprises a fastening device for fastening a cell contacting system of the battery module.
  • the battery module preferably comprises a cell contacting system which, in particular, comprises a plurality of cell connection elements.
  • the cell contacting system is fastened or can be fastened in particular to the receiving body.
  • the fastening device comprises a support device to which a cell contacting system of the battery module is fastened or can be fastened.
  • a respective cell connection element in particular cell poles of two galvanic cells are connected to one another or can be connected, in particular cell poles of two galvanic cells that are adjacent in the stacking direction.
  • the battery module comprises a plurality of cell connection elements which are essentially flat and / or flat.
  • the cell connecting elements of the battery module preferably comprise a metallic material or are formed from this, in particular a sheet metal material.
  • a respective cell connection element comprises in particular two connection sections, the cell connection element being electrically connected or connectable to one cell pole of a galvanic cell in each case by means of a connection section.
  • the cell connection elements of the battery module do not include any compensation sections by means of which a distance between the two connection sections of a respective cell connection element can be changed.
  • the battery module comprises several cell connection elements, by means of which cell poles of two galvanic cells of the battery module are connected or can be connected to one another, wherein a respective cell connection element comprises a heat conduction section, by means of which heat can be dissipated from the respective cell connection element.
  • the galvanic cells of the battery module can preferably be cooled by dissipating heat from the cell connecting elements of the battery module.
  • a respective cell connecting element is or can be connected to a cell pole of one or more battery modules.
  • the heat conduction section of a respective cell connection element is thermally coupled to a connec tion material body of a connection body, in particular is connected in a special manner in a thermally conductive manner. It can be particularly favorable if the heat conduction section of a respective cell connecting element is at least partially, preferably essentially completely, enclosed by the connecting material of the connecting material body.
  • the heat conduction section of a respective cell connecting element is cast into the connecting material of the connecting material body.
  • a respective connecting body of the battery module comprises one or more connecting sections by means of which the connecting body can be connected to a connecting body of an adjacent battery module.
  • a respective connecting section of the connecting body comprises one or more undercut sections or is formed by them.
  • two adjacent battery modules can be connected to one another by means of one or more undercut elements, in particular by inserting an undercut element into a connecting section of a first battery module and into a connecting section of a second battery module, preferably along a longitudinal direction of the connecting section of the first battery module and / or the connecting section of the second battery module.
  • a connecting section comprises in particular a groove, which is preferably designed as a profile groove.
  • a respective profile groove of the connecting section is preferably arranged essentially perpendicular to the stacking direction of the battery module and / or parallel to a short adjacent side of the galvanic cells of the battery module. It can be particularly favorable if a respective connection body comprises several, for example two, connection sections.
  • the battery module comprises a total of four or more than four connecting sections, for example four profile grooves.
  • an undercut element is designed as a profile strip or as a profile block, in particular as a slot nut.
  • a cross section of the profile groove is designed to be complementary to a cross section of the undercut element.
  • a profile groove is T-shaped in cross section.
  • An undercut element is preferably designed in a double T-shape in a cross section
  • a profile groove is designed as a regular trapezoid in a cross section.
  • An undercut element is preferably designed as a double regular trapezoid in a cross section.
  • the undercut element is, for example, a dovetail profile, in particular a double dovetail profile.
  • an electrical insulation film is at least partially or only partially arranged on a surface of the galvanic cells, in particular on a surface of the cell housing of the galvanic cells.
  • the galvanic cells, in particular the cell housings of the galvanic cells, are, for example, welded into the electrical insulation film.
  • the electrical insulation film comprises an adhesive material and is glued to the galvanic cells, in particular to the cell housing of the galvanic cells.
  • an electrical insulation film is arranged only on one cell bottom wall element of the cell housing of a respective galvanic cell and / or on part of a surface of the four cell side wall elements of the cell housing of a respective galvanic cell.
  • an electrical insulation film is arranged on at least 20% of an upper surface of the cell side wall elements of the cell housing.
  • the electrical insulation film is only partially arranged on a surface of the galvanic cells, in particular on a surface of the cell housing of the galvanic cells, adhesion of the connecting material to the surface can preferably be improved, since the connecting material is better on the surface of the galvanic cells, in particular the cell housing of the same, adheres as the electrical insulation film.
  • one or more connecting bodies are arranged on a long side of the galvanic cells, in particular on a long side of the galvanic cells which faces away from the cell poles of the galvanic cells.
  • a respective connecting body preferably comprises an in particular one-piece receiving body and an in particular one-piece connec tion material body.
  • the battery module comprises only a single connecting body, which is arranged on the long side of the galvanic cells.
  • a receiving body of the connecting body comprises a temperature control channel structure through which a temperature control medium, in particular a temperature control liquid, can be conducted.
  • a cell base of the galvanic cells of the battery module can be cooled with a temperature control channel structure of this type.
  • a battery module which comprises only a single connection body, which is arranged on the long side of the galvanic cells facing away from the cell poles of the galvanic cells, does not include any further connecting bodies which are located on the short side sides of the galvanic cells Cells is arranged.
  • a connecting body arranged on the long secondary side of the galvanic cells, which faces away from the cell poles of the galvanic cells, preferably encloses a maximum of approximately 40%, in particular a maximum of approximately 20%, of a surface of the short secondary sides and / or the main sides of the galvanic cells.
  • the battery module comprises a plurality of connecting bodies which, in particular, are arranged parallel to one another and / or parallel to a stacking direction of the battery module.
  • a receiving body of a respective connecting body comprises two side wall elements and a bottom wall element, the side wall elements of the receiving body each comprising one or more receiving areas in each of which a galvanic cell of the battery module is received.
  • the side wall elements protrude away from the bottom wall element essentially perpendicularly.
  • the side wall elements of the receiving body comprise one or more sealing elements for sealing between a respective side wall element and a galvanic cell.
  • One or more sealing elements of the side wall elements are arranged in particular in the area of the receiving areas of the side wall elements.
  • a seal can be implemented in the area of the receiving areas of the side wall elements.
  • one or more sealing elements in the area of the receiving areas can prevent connecting material from escaping from the receiving body during manufacture of the battery module, in particular when the connecting material is poured into the receiving body.
  • One or more sealing elements arranged in the area of the receiving areas of the side wall elements are preferably designed to be compressible. It can be advantageous, for example, if one or more sealing elements arranged in the area of the receiving areas of the side wall elements comprise a rubber material or are formed from this.
  • a height tolerance of the galvanic cells of the battery module can preferably be compensated for by means of the one or more sealing elements arranged in the area of the receiving areas of the side wall elements.
  • a respective receiving area of a side wall element of the receiving body preferably has a width in a direction running parallel to the stacking direction of the battery module, which essentially corresponds to a width of the galvanic cells in the direction running parallel to the stacking direction of the battery module.
  • the side wall elements of the receiving body comprise a plurality of receiving areas, a spacing area being arranged between each two receiving areas of a side wall element.
  • a respective receiving area of a side wall element of the receiving body is preferably limited by two spacing areas.
  • the spacing areas of a respective side wall element are preferably designed as rectangular projections.
  • the receiving areas of a respective side wall element are preferably designed as rectangular recesses.
  • the side wall elements of the receiving body are formed mirror-symmetrically to a mirror plane of the receiving body.
  • receiving areas and / or spacing areas of the side wall elements of the receiving body are preferably arranged essentially congruently.
  • the receiving body preferably further comprises two closure elements which are arranged or can be arranged perpendicular to the two side wall elements and perpendicular to the bottom wall element.
  • a receptacle of the receiving body can preferably be closed by means of the closure elements.
  • the two side wall elements, the two closure elements and the bottom wall element of the receiving body form and / or limit, in particular, a receiving body of the receiving body.
  • the receiving body in particular the two side wall elements and / or the bottom wall element of the receiving body, comprise a temperature control channel structure through which a temperature control medium, in particular a temperature control liquid, can be conducted.
  • one or more sealing elements are arranged on the edges of the side wall elements.
  • One or more sealing elements are arranged in particular on the edges of the side wall elements in the area of the receiving areas of a respective side wall element.
  • the battery module comprises one or more, for example two, clamping sections and / or clamping sections, wherein the battery module is preferably provided with a housing by means of the clamping sections and / or clamping sections Battery device can be connected, in particular can be fixed to the housing in a clamping and / or tensioning manner.
  • clamping sections and / or clamping sections are designed as grooves, with a longitudinal direction of the grooves in particular being arranged essentially parallel to the stacking direction of the battery module.
  • clamping sections and / or clamping sections are designed as grooves, a longitudinal direction of the grooves in particular being arranged essentially perpendicular to the stacking direction of the battery module.
  • the battery module comprises two clamping sections and / or clamping sections, which are arranged parallel to one another.
  • the one or more connecting bodies of the battery module each include one or more, for example two, clamping sections and / or clamping sections.
  • One or more, for example two, clamping sections and / or clamping sections of a respective connecting body of the battery module, in particular a respective receiving body of the connecting body, are preferably arranged on an edge region of the connecting body, in particular the receiving body.
  • a battery device comprises one or more clamping elements and / or clamping elements, by means of which a respective battery module can be connected to a housing of the battery device.
  • the clamping elements and / or clamping elements of the battery device can be screwed in particular to a housing bottom of a housing of a Batterievorrich device, in particular by passing a screw element through the clamping elements and / or clamping elements and then screwing the screw element into the housing bottom of the housing of the battery device.
  • clamping sections and / or clamping sections of a respective connecting body, in particular a respective receiving body of the connecting body, of the battery module and / or clamping elements and / or clamping elements of the battery device are designed such that a respective battery module in a shifting of the clamping elements and / or clamping elements perpendicular to the stacking direction of the battery module and paral lel to a short side of the galvanic cells running direction, for example when screwing the clamping elements and / or the clamping elements with the bottom of the housing of the battery device, in a direction perpendicular to the stacking direction parallel to a long side of the galvanic cells running direction are jammed and / or braced.
  • the clamping sections and / or clamping sections of the battery module in particular of the connecting body of the battery module, and the clamping elements and / or clamping elements of the battery device each comprise an inclined surface arranged at an angle to the short adjacent sides of the galvanic cells.
  • Clamping elements and / or clamping elements of the battery device are preferably designed to be essentially complementary to clamping sections and / or clamping sections of the connecting body.
  • clamping elements and / or clamping elements are at least partially insertable into clamping sections and / or clamping sections of the connecting body.
  • Clamping elements and / or clamping elements of the battery device are clamping bars or slot nuts for example.
  • a plurality of battery modules can preferably be connected simultaneously to a housing of a battery device by means of a clamping bar.
  • individual battery modules can be connected to a housing of a battery device by means of one or more slot nuts.
  • clamping elements and / or clamping elements of the battery device are slot nuts, it can be provided that several clamping elements are arranged axially in alignment.
  • the present invention further relates to a battery device which comprises one or more battery modules, in particular one or more battery modules according to the invention.
  • the battery device according to the invention preferably has one or more of the features and / or advantages described in connection with the battery module according to the invention.
  • the battery module according to the invention preferably has individual or several of the features and / or advantages described in connection with the battery device according to the invention.
  • the battery device comprises a housing which comprises a cover element, wherein the cover element is fixed or can be fixed on the housing indirectly via the one or more battery modules, in particular by means of one or more connecting elements for detachable and / or tool-free fixing of the cover element on the one or more battery modules.
  • a housing of the battery device comprises, in particular, an interior space in which the one or more battery modules of the battery device are or can be arranged.
  • the battery modules of the battery device do not include any additional battery module cover element that is different from the cover element of the battery device.
  • an interior space in which the one or more battery modules of the battery device are arranged or can be arranged, closed or closable.
  • the cover element is only connected to the connecting bodies of the one or more battery modules, in particular by means of one or more connecting elements for detachable and / or tool-free fixing of the cover element to the one or more battery modules.
  • a rigidity of the battery device can preferably be increased by connecting the cover element of the battery device to the battery modules of the battery device.
  • the battery device comprises a temperature control device which comprises one or more temperature control elements, with one or more temperature control elements of the temperature control device preferably between two adjacent ones Battery modules of the battery device are arranged and / or wherein one or more temperature control elements are preferably arranged on a side of a respective battery module facing away from the cell poles of the galvanic cells of the one or more battery modules.
  • heat can preferably be dissipated from the galvanic cells of the battery modules of the battery device.
  • a cell base of the galvanic cells can preferably be temperature controlled, in particular cooled or heated.
  • One or more temperature control elements which are arranged on a side of the respective battery module facing away from the cell poles of the galvanic cells of the one or more battery modules, are preferably in thermal contact with a cell bottom of the galvanic cells.
  • one or more temperature control elements are in thermal contact with the cell base by embedding the cell bottom of the galvanic cells in the connecting material and / or if one or more temperature control elements are in thermal contact with the cell base of the galvanic cells by means of a thermal paste .
  • temperature control elements of the temperature control device arranged between two adjacent battery modules of the battery device are each arranged between the short ancillary sides of the galvanic cells of the two adjacent battery modules.
  • Tempering elements are preferably in thermal contact with the short side sides of the galvanic cells.
  • One or more temperature control elements of the temperature control device comprise, in particular, a temperature control channel structure through which a temperature control medium, in particular a temperature control liquid, can be conducted.
  • a temperature control channel structure of the temperature control elements includes, for example, one or more temperature control channels, which are in particular arranged in a meander shape.
  • Temperature control elements of the temperature control device are temperature control elements produced by "roll bonding", for example.
  • a length of a temperature control element arranged between two adjacent battery modules corresponds to at least approximately 50% of a length of the battery modules in a direction running parallel to the stacking direction, in particular at least approximately 75%, preferably at least approximately 95%.
  • the battery device comprises a plurality of undercut elements, with battery modules that are adjacent in a stacking direction each being or can be connected to one another by means of one or more undercut elements.
  • Adjacent battery modules are preferably connected or can be connected to one another by inserting an undercut element in each case into two connecting sections of the adjacent battery modules.
  • the connecting bodies, in particular the receiving bodies, of the adjacent battery modules are preferably in direct contact with one another, with the exception of the connecting sections.
  • adjacent battery modules are braced or can be braced against one another by inserting an undercut element into connecting sections of the neighboring battery modules.
  • the battery device comprises a housing, with battery modules of the battery device being or can be connected to the housing by means of one or more undercut elements.
  • the housing comprises in particular a plurality of connecting sections into which an undercut element for connecting the housing to a battery module can be inserted.
  • a battery module is connected or connectable to the housing of the battery device, preferably by inserting an undercut element in each case into a connection section of the battery module and into a connection section of the housing.
  • the battery device comprises a housing and a plurality of clamping elements and / or clamping elements, by means of which one or more battery modules can be connected to a housing of the battery device.
  • clamping elements and / or tensioning elements can be connected to the housing and / or to a threaded section fixed on the housing by means of one or more screw elements, in particular by screwing.
  • the clamping elements and / or clamping elements are preferably movable towards the housing when they are connected to the housing of the battery device, in particular can be moved towards a bottom wall of the housing.
  • One or more battery modules can be fixed to the housing of the battery device in a particularly clamping and / or tensioning manner by means of the clamping elements and / or tensioning elements.
  • a respective battery module preferably comprises two clamping sections and / or clamping sections, which are in particular arranged parallel to one another.
  • a battery module is connected or can be connected to the housing of the battery device by means of two clamping elements and / or clamping elements, the clamping elements and / or clamping elements being connected to the housing of the battery device in particular by screwing.
  • the clamping sections and / or clamping sections of a respective battery module and / or the clamping elements and / or clamping elements are preferably designed such that the battery modules are clamped and / or clamped by screwing the clamping elements and / or clamping elements in a plane perpendicular to a screwing direction .
  • clamping sections and / or clamping sections of a respective battery module and / or the clamping elements and / or clamping elements preferably each comprise an inclined surface which is arranged in particular at an angle to a screwing direction.
  • connecting bodies in particular connecting material bodies of the connecting bodies, of adjacent battery modules are connected to one another in a thermally conductive manner.
  • heat can be dissipated from the battery modules through the connecting material of the connecting material body.
  • battery modules that are adjacent to one another perpendicular to a stacking direction of the battery modules are connected to one another by means of a common connecting body.
  • the common connecting body comprises in particular a common receiving body and / or a common connecting material body.
  • the galvanic cells of a respective adjacent battery module are each connected to the common connecting body.
  • galvanic cells of two battery modules that are adjacent perpendicular to a stacking direction of the battery modules are each arranged in receiving areas of side wall elements of a common receiving body of the common connecting body.
  • Galvanic cells of two battery modules that are adjacent perpendicular to a stacking direction of the battery modules are preferably materially connected to one another by means of a common connecting material body of the common connecting body.
  • the present invention is also based on the further object of providing a method for producing a battery module, in particular a battery module according to the invention, by means of which a battery module with an increased service life can be produced and which can be carried out in a particularly simple and inexpensive manner.
  • This object is achieved by a method for producing a battery module, in particular a battery module according to the invention, with the features of the independent method claim.
  • the method according to the invention for producing a battery module preferably has one or more of the features and / or advantages described in connection with the battery module according to the invention and / or the battery device according to the invention.
  • the battery module according to the invention and / or the battery module according to the invention preferably have one or more of the features and / or advantages described in connection with the method according to the invention for producing a battery module.
  • the method preferably comprises:
  • the connecting material is in particular poured into the receptacle of the first casting mold, in particular of the first receptacle body.
  • the connecting material hardens and / or crosslinks after it has been introduced into the receptacle of the first casting mold, in particular of the first receptacle body.
  • a connecting material body of a connecting body is formed, which connects the galvanic cells to one another in the stacking direction.
  • the connecting material body forms in particular a connecting body which connects the galvanic cells to one another in the stacking direction.
  • the connecting material body remains form-bound in the receiving body after the hardening and / or crosslinking of the connecting material.
  • the connecting material body forms, in particular, together with the receiving body, a connecting body which connects the galvanic cells to one another in the stacking direction.
  • galvanic cells are arranged in alignment in the receptacle along the stacking direction.
  • the galvanic cells are arranged in the receptacle of the first casting mold and / or of the first receptacle body essentially parallel to one another and / or at a distance from one another.
  • the galvanic cells are arranged in several receptacles of a plurality of first casting molds, in particular a plurality of first receiving bodies, the flowable and / or pourable connecting material being introduced into the plurality of receptacles of the plurality of first casting molds, in particular the plurality of first receiving bodies will.
  • the galvanic cells when the connecting material is introduced into the receptacle of the first Casting mold, in particular the first receiving body are cast on a first side of the galvanic cells.
  • the galvanic cells are potted with the connecting material on a short side of the same.
  • the galvanic cells are encapsulated with the connecting material on a long adjacent side thereof.
  • the galvanic cells are arranged after curing and / or crosslinking of the connecting material in the receptacle of the first casting mold, in particular the first receiving body, in a receptacle of a second casting mold, in particular a second receiving body, and then an in particular special flowable and / or pourable connecting material is introduced into the receptacle of the second casting mold, in particular of the second receptacle body.
  • the connecting material hardens and / or networks after it has been introduced into the receptacle of the second casting mold, in particular of the second receptacle body.
  • the galvanic cells are encapsulated on a second side of the galvanic cells when the connection material is introduced into the receptacle of the second casting mold, in particular of the second receiving body.
  • the second side of the galvanic cells is in particular a side of the galvanic cells facing away from the first side.
  • the first side and the second side are in particular the short ancillary sides of the galvanic cells and / or the cell housings of the galvanic cells.
  • the connecting material only hardens and / or crosslinks completely after the galvanic cells have been cast on the first side and the second side.
  • the galvanic cells are fixed on a second side while the connecting material is introduced into the receptacle of the first casting mold, in particular of the first receptacle body.
  • the galvanic cells are in particular fixed on the second side while the galvanic cells are potted on the first side.
  • the galvanic cells are preferably positioned and / or fixed relative to one another during the introduction of the connecting material into the receptacle of the first casting mold, in particular the first receptacle body, and / or during the casting of the galvanic cells on the first side in such a way that main sides of the cell housing of the galvanic cells are arranged essentially parallel to one another.
  • the galvanic cells are positioned and / or fixed relative to one another on the first side during the casting of the galvanic cells by means of a positioning device, for example by means of a receiving body.
  • the connecting material is first introduced into a receptacle of a casting mold, in particular a receiving body, and subsequently the galvanic cells preferably in the still flowable and / or pourable connecting material be introduced, in particular pressed into the still flowable and / or pourable connecting material.
  • the galvanic cells are first introduced into a receptacle of a casting mold, in particular a receptacle body, the connecting material then being inserted into the Receiving the casting mold, in particular the receiving body, is introduced, in particular poured in.
  • the galvanic cells are heated before the connection material is introduced into a receptacle of the first casting mold, in particular the first receptacle body, and / or before the connection material is introduced into a receptacle of a second casting mold, in particular a second receptacle body will.
  • the connecting material before it is introduced and / or after it is introduced into a receptacle of the first casting mold, in particular the first receiving body, and / or before and / or after it is introduced into a receptacle of the second casting mold, in particular a second receiving body, is heated, in particular by supplying heat.
  • the galvanic cells are preferably heated to a temperature in the range from approximately 20 ° C. to approximately 60 ° C., for example from approximately 25 ° C. to approximately 55 ° C., in particular from approximately 25 ° C. to approximately 45 ° C.
  • a dynamic viscosity of the connecting material can preferably be reduced by heating the galvanic cells and / or the connecting material.
  • a flow behavior of the connecting material can be improved.
  • curing of the connecting material can be accelerated by heating it.
  • a constant process quality can preferably be achieved by heating the galvanic cells.
  • the galvanic cells are preferably aligned in such a way that cell poles of the galvanic cells of the battery module, in particular all of the galvanic cells, are arranged in one plane.
  • the galvanic cells are aligned during the production of the one or more connecting bodies in such a way that cell bottom wall elements of the cell housings of the galvanic cells of the battery module, in particular all of the galvanic cells of the battery module, are arranged in one plane.
  • Fig. 1 is a schematic perspective illustration of an embodiment of a battery module
  • Fig. 2 is a schematic perspective illustration of an embodiment of a receiving body in a method step of a Method for producing the Auspar shown in Fig. 1 approximate form of a battery module;
  • FIG. 3 shows a schematic perspective illustration of the receiving body from FIG. 2 and of galvanic cells arranged in a receptacle of the receiving body in a method step of a method for producing the embodiment shown in FIG Battery module;
  • FIG. 4 shows a schematic perspective illustration of the receiving body from FIG. 2 and of connecting material introduced into a receptacle of the receiving body in a process step of a process for producing the embodiment of a battery module shown in FIG. 1 following the process step from FIG. 2 ;
  • FIG. 5 shows a schematic perspective illustration of the receiving body from FIG. 2 and of galvanic cells arranged in a receptacle of the receiving body in a method step of a method for manufacturing that follows the method step from FIG. 3 or the method step from FIG. 4 the embodiment shown in Fig. 1 of a battery riemoduls;
  • FIG. 6 shows a schematic perspective illustration of two receiving bodies from FIG. 2 and of galvanic cells arranged in a receptacle of the receiving bodies in a method step of a method for producing the embodiment shown in FIG Battery module
  • 7 shows a schematic perspective illustration of two receiving bodies from FIG. 2 and of galvanic cells arranged in a receptacle of the receiving bodies in a method step of a method for producing the embodiment of a battery module shown in FIG. 1 that follows the method step from FIG. 6 ;
  • FIG. 8 shows a representation corresponding to the representation from FIG. 7, with twelve galvanic cells being arranged in a receptacle of the two receptacle bodies;
  • FIG. 9 shows a schematic perspective illustration of a partial section through the battery module from FIG. 1; FIG.
  • FIG. 10 shows an enlarged illustration of the area X in FIG. 9;
  • FIG. 11 shows an enlarged illustration of the area XI in FIG. 9;
  • FIG. 12 shows a schematic front view of the battery module from FIG. 1 when looking in the direction of arrow 12 in FIG. 1;
  • FIG. 12 shows a schematic front view of the battery module from FIG. 1 when looking in the direction of arrow 12 in FIG. 1;
  • FIG. 13 shows a schematic sectional illustration through the battery module from FIG. 1 along the line XIII-XIII in FIG. 12;
  • FIG. 14 shows an enlarged illustration of the area XIV in FIG. 13;
  • FIG. 15 shows a schematic bottom view of the battery module from FIG. 1 when looking in the direction of arrow 15 in FIG. 1;
  • FIG. 16 shows a representation corresponding to the representation from FIG. 8, the receiving bodies of the battery module comprising a temperature control channel structure;
  • FIG. 17 shows a schematic perspective illustration of a temperature control channel structure of a receiving body;
  • FIG. 18 shows a schematic perspective illustration of a galvanic cell of the battery module from FIG. 1;
  • FIG. 19 shows a detail of a schematic sectional illustration through the galvanic cell from FIG. 18;
  • FIG. 20 shows a plan view of the battery module from FIG. 1, a cell contacting system of the battery module being shown;
  • the battery module comprising connecting elements for detachable and / or tool-free fixing of a cover element on the battery module, which are arranged on connecting bodies, in particular on receiving bodies, of the battery module;
  • FIG. 22 shows a schematic side view of the battery module from FIG. 21 looking in the direction of arrow 22 in FIG. 21, a cover element being releasably attached to the battery module by means of the connecting elements;
  • FIG. 23 shows a schematic plan view of a battery device which comprises a housing and a plurality of battery modules shown in FIG. 21;
  • FIG. 23 shows a schematic plan view of a battery device which comprises a housing and a plurality of battery modules shown in FIG. 21;
  • FIG. 24 shows a schematic plan view of a further embodiment of a battery module, which comprises connecting sections, and of an undercut element of a battery device;
  • FIG. 25 shows a schematic plan view of a battery device which comprises a plurality of battery modules illustrated in FIG. 24, which are connected to one another by means of undercut elements shown in FIG. 24;
  • 26 shows a schematic plan view of a further embodiment of a battery module, which comprises connecting sections, and of an undercut element of a battery device;
  • FIG. 27 shows a schematic plan view of a battery device which comprises a plurality of battery modules shown in FIG. 26, which are connected to one another by means of undercut elements shown in FIG. 26;
  • FIG. 28 shows a schematic side view of a further embodiment of a battery module
  • 29 is a schematic plan view of an embodiment of a
  • a battery device comprising a plurality of the battery modules shown in FIG. 28;
  • FIG. 30 shows a schematic perspective illustration of a receiving body of the embodiment of the battery module from FIG. 28;
  • FIG. 31 shows a schematic sectional illustration through the receiving body from FIG. 30 along the line XXXI-XXXI in FIG. 30;
  • connection material being introduced into a receiving body of the receiving body
  • FIG. 33 shows a schematic front view of the battery module from FIG. 28 along the line 33 in FIG. 28;
  • FIG. 34 shows a schematic section through the battery module from FIG. 33 along the line XXXIV-XXXIV in FIG. 33;
  • 35 shows a schematic perspective illustration of a receiving body of a further embodiment of a battery module
  • FIG. 36 shows a schematic perspective illustration of two receiving bodies from FIG. 35 arranged parallel to one another;
  • FIG. 37 shows a schematic perspective illustration of the receiving body from FIG. 35, with galvanic cells being arranged in each case in receiving areas of side wall elements of the receiving body;
  • FIG. 38 shows a schematic side view of the receiving body from FIG. 35 in the direction of arrow 38 in FIG. 37, with galvanic cells being arranged in receiving areas of side wall elements of the receiving body;
  • 39 shows a schematic plan view of a further embodiment of a battery module
  • FIG. 40 shows a schematic sectional illustration through the battery module from FIG. 39 along the line XL-XL in FIG. 39;
  • 41 shows a schematic plan view of a further embodiment of a battery device
  • FIG. 42 shows a schematic plan view of a further embodiment of a battery device
  • FIG. 43 shows a schematic section through the battery device from FIG. 42 along the line XLIII-XLIII in FIG. 42; and
  • FIG. 44 shows an illustration corresponding to the illustration from FIG. 42 of a further embodiment of a battery device.
  • FIGS. 1 to 15 show an embodiment of a battery module designated as a whole by 100.
  • a battery module 100 is, for example, part of a battery device 101, which in particular comprises a plurality of battery modules 100.
  • Such a battery device 101 can be used, for example, in a motor vehicle not shown in the drawing.
  • the battery module 100 preferably comprises a plurality of galvanic cells 102, which are arranged along a stacking direction, which is indicated by a double arrow 104.
  • the battery module 100 has, for example, 4 to 24 galvanic cells 102, preferably 8 to 16 galvanic cells 102, in particular 12 galvanic cells 102.
  • Fig. 18 shows a galvanic cell 102 in a schematic perspective view.
  • the galvanic cells 102 are in particular prismatic cells 106, in particular special essentially cuboid cells.
  • the galvanic cells 102 of the battery module 100 are preferably secondary cells 108.
  • the galvanic cells 102 are thus preferably rechargeable galvanic cells 102.
  • the battery module 100 thus forms, in particular, an accumulator module.
  • the galvanic cells preferably each include a cell housing 110 which is designed in particular prismatic, in particular essentially cuboid.
  • the galvanic cells 102 are formed, for example, according to the PHEV2 format.
  • FIG. 19 shows a schematic sectional illustration through a galvanic cell 102.
  • a respective galvanic cell 102 preferably comprises two cell rolls 112 (“jelly rolls”).
  • the cell housing 110 of a respective galvanic cell 102 preferably comprises or forms a receiving space 114.
  • a respective galvanic cell 102 and / or a cell housing 110 of a respective galvanic cell 102 preferably comprise two main sides 116 and four secondary sides 118, in particular two short secondary sides 118a and two long secondary sides 118b.
  • the two main sides 116 and / or two secondary sides 118 in each case are preferably arranged on opposite sides of a respective galvanic cell 102 and / or a cell housing 110 of a respective galvanic cell 102.
  • a main side 116 of a galvanic cell 102 and / or a cell housing 110 of the galvanic cell 102 faces a main side 116 of a further galvanic cell 102 and / or a cell housing of the further galvanic cell 102 in the battery module 100.
  • the main sides 116 of a respective galvanic cell 102 and / or a cell housing 110 of a respective galvanic cell 102 in particular have a larger surface area than the secondary sides 118 of a respective galvanic cell 102 and / or a cell housing 110 of a respective galvanic cell 102.
  • the short secondary sides 118a in particular have the same width 120 as the long secondary sides 118b, in particular in a direction running parallel to the stacking direction 104 of the battery module 100.
  • the long secondary sides 118b preferably have a greater length than the short secondary sides 118a, in particular in a direction perpendicular to the stacking direction 104 of the battery module 100.
  • the cell coils 112 of a galvanic cell 102 of the battery module 100 are preferably flat coils.
  • a respective cell coil 112 of the galvanic cells 102 of the battery module 100 comprises, in particular, a plurality of coil layers.
  • the winding layers of a respective cell roll 112 are arranged essentially parallel to one another.
  • the cell roll 112 preferably comprises a winding layer web which forms the winding layers.
  • the winding layers are made by winding the Formed winding layer web.
  • a single winding layer web encompasses or forms all winding layers of a respective cell roll.
  • a respective cell roll 112 of a galvanic cell 102 preferably comprises two deflection areas 122 in which winding layers of the respective cell winding 112 are deflected, the winding layers having a common winding line 124 in a respective deflection area 122.
  • winding layers of the cell roll 112 are preferably deflected, in particular by approximately 180 °.
  • the winding lines 124 of the two deflection regions 122 of a respective cell roll 112 are preferably arranged essentially parallel to one another.
  • a respective cell coil 112 of the galvanic cells 102 is formed in a deflection region 122 axially symmetrical to the common coil line 124.
  • the winding layers of the respective cell roll 112 are arranged essentially semi-circularly in a respective deflection region 122 in a cross section taken perpendicular to the common winding line 124.
  • Winding layers of a respective cell reel 112 are arranged in an intermediate area 126 of the cell reel 112 arranged between the two deflection areas 122 of the cell reel 112, preferably essentially parallel to a central plane of the cell reel 112, not shown in the drawings.
  • the stacking direction 104 of the battery module 100 preferably runs essentially perpendicular to a center plane of the cell coil 112 of the galvanic cells 102 of the battery module 100.
  • the common winding line 124 of winding layers of the respective cell roll 112 in a respective deflection area of the cell winding 112 forms a common center point of semicircular arranged winding layers of the cell winding 112 in a cross section taken perpendicular to the common winding line 124.
  • a winding direction of a respective cell roll 112, shown by means of an arrow 128, preferably runs perpendicular to the common winding lines 124 of the two deflection regions 112 of the respective cell roll 112 and in particular perpendicular to the stacking direction 104 of the battery module 100.
  • a winding layer of a respective cell roll 112 preferably comprises several layers, for example two electrode layers and two separator layers.
  • electrode layers and separator layers are each arranged alternately in a winding layer.
  • a layer sequence in a winding layer of a cell roll 112 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 an electrical insulating material or are formed from this, for example polyethylene and / or polypropylene.
  • the embodiment of the battery module 100 illustrated in FIGS. 1 to 15 comprises in particular two connecting bodies 130 which connect the galvanic cells 102 to one another in the stacking direction 104.
  • a connecting body 130 is preferably arranged on each short side of the galvanic cells 102 of the battery module 100.
  • the battery module 100 comprises in particular a first connection body 130a, by means of which all galvanic cells 102 are connected on a first side thereof.
  • the battery module 100 preferably further comprises a second connection body 130b, by means of which all galvanic cells 102 are connected on a second side thereof.
  • a respective connection body 130 preferably completely encloses a short secondary side 118a of the galvanic cells 102.
  • a respective connecting body 130 partially encloses both long secondary sides 118b of the galvanic cells.
  • a respective connecting body 130 partially encloses a main side 116 of two galvanic cells 102 that are external in the stacking direction 104 of the battery module 100.
  • the two connecting bodies 130 of the battery module 100 preferably each comprise a one-piece receiving body 132.
  • the receiving body 132 of a respective connecting body 130 comprises, in particular, a plastic material or is formed from this.
  • a plastic material it is conceivable that the receiving body 132 comprises or is formed from a metallic material, for example steel or aluminum.
  • the plastic material of the receiving body 132 is a fiber-reinforced plastic material, for example a glass-fiber-reinforced, aramid-fiber-reinforced and / or carbon-fiber-reinforced plastic material.
  • the fiber-reinforced plastic material of the receiving body 132 comprises a matrix material, for example polyamide, polypropylene or polybutylene terephthalate.
  • the plastic material of the receiving body 132 is, for example, PA66-GF35 or PA66-GF50.
  • the plastic material of the receiving body 132 PBT-GF30 is the PBT-GF25.
  • the plastic material of the receiving body 132 in particular has a tensile strength of at least approximately 100 N / mm 2, in particular of at least approximately 150 N / mm 2, preferably of at least approximately 180 N / mm 2.
  • the plastic material of the receiving body 132 has a tensile strength of approximately 135 N / mm 2.
  • the plastic material of the receiving body 132 in particular has a tracking resistance (CTI) of at least approximately 400.
  • CTI tracking resistance
  • the receiving body 132 is preferably an injection-molded body 134, in particular an injection-molded component 136.
  • the receiving body 132 preferably has an average wall thickness 138 in the range from approximately 1 mm to approximately 5 mm, in particular in the range from approximately 1 mm to approximately 3 mm, for example approximately 2 mm (see FIG. 10).
  • the receiving bodies 132 of the two connecting bodies 130 preferably each have a C-shaped cross section perpendicular to the stacking direction 104 of the battery module 100.
  • the receiving bodies 132 of the two connecting bodies 130 are preferably cup-shaped or trough-shaped.
  • the cup-shaped and / or C-shaped receiving bodies 132 each include in particular a bottom wall element 140 and four side wall elements 142, in particular two short side wall elements 142a and two long side wall elements 142b (see FIG. 2).
  • bottom wall element 140 and / or the four side wall elements 132 are designed to be essentially rectangular in a respective plan view of the same.
  • the galvanic cells 102 of the battery module 100 are connected to one another in a materially and / or positively, in particular load-bearing manner, by means of the two connecting bodies 130.
  • the two connecting bodies 130 preferably each further comprise a one-piece connecting material body 144, which comprises or is formed from a connecting material 146.
  • a respective receiving body 132 preferably comprises a receiving 148 in which the connecting material body 144 of a respective connecting body 130 is received. It can be favorable if the receptacles 148 of the two receptacle bodies 132 are arranged facing one another.
  • all short secondary sides 118a of the galvanic cells 102 of the battery module 100 are preferably arranged on a first side of the galvanic cells 102.
  • all of the short secondary sides 118a of the galvanic cells 102 of the battery module 100 are preferably arranged on a second side of the galvanic cells 102 which faces away from the first side of the galvanic cells 102.
  • the connecting material body 144 of the two connecting bodies 130 is in particular a special body produced by potting.
  • a width 150 of the connecting material bodies 144 in a direction perpendicular to the stacking direction 104 of the battery module 100 and parallel to a long secondary side 118b of the galvanic cells 102 corresponds approximately to the sum of a wall thickness 152 of a cell housing wall 154 of the cell housing 110 of a respective galvanic cell 102, a distance 156 of the cell coil 112 of the galvanic cell to the cell housing wall 154 of the cell housing and a width 158 of the deflection area 122 of the cell coil 112 of the galvanic cell 102 (see. Fig. 10 and 19).
  • the width 150 of the connecting material body 144 corresponds in particular to an immersion depth of the galvanic cells 102 in the connecting material 146 of the connecting material body 144.
  • the width 150 of the connecting material body 144 and / or the immersion depth of the galvanic cells 102 is preferably in the range from approximately 1 mm to approximately 8 mm, in particular from approximately 3 mm to approximately 7 mm.
  • the galvanic cells 102 of the battery module 100 are preferably cohesively connected to one another by means of the connecting material 146.
  • galvanic cells 102 in particular the cell housings 110 of the galvanic cells 102, are welded into an electrical insulation film.
  • an electrical insulation film is arranged only on a cell bottom wall element 160 of the cell housing 110 of a respective galvanic cell 102 and / or on a part of a surface of the four cell side wall elements 162 of the cell housing 110 of a respective galvanic cell 102 (see FIG. 18 ).
  • an electrical insulation film is arranged on at least 20% of an upper surface of the cell side wall elements 162 of the cell housing 110.
  • the electrical insulation film is only partially arranged on a surface of the galvanic cells 102, in particular on a surface of the cell housing 110 of the galvanic cells 102, adhesion of the connecting material 146 to the surface can preferably be improved, since the connecting material 146 is better on the surface the galvanic cells 102, in particular the cell housing 110 of the same, adheres as the electrical insulation film.
  • the connecting material body 144 of a respective connecting body 130 is preferably received in the receiving body 132 of the connecting body 130, in particular completely.
  • the connecting material body 144 by introducing the connecting material 146 into the receptacle 148 of the receiving body 132, in particular by pouring a flowable and / or castable connecting material 146 and subsequent curing and / or crosslinking of the connecting material 146, in which the receiving body 132 is received.
  • the connecting material 146 of the connecting material body 144 is preferably a castable material, in particular a potting material.
  • the connecting material 146 is a plastic material, in particular a thermosetting plastic material.
  • the connecting material 146 preferably comprises or is formed from a resin material.
  • the connecting material 146 comprises a polyurethane material, in particular a polyurethane resin, or is formed by this.
  • the connecting material 146 is a two-component casting resin based on polyurethane, polyether and / or polyester-polyols.
  • the connecting material 146 comprises an epoxy material, in particular an epoxy resin, or is formed by this.
  • the connecting material 146 preferably comprises a casting resin, in particular a polyurethane casting resin or an epoxy casting resin, or is formed by this.
  • the connecting material 146 is in particular a two-component material.
  • the two-component material preferably comprises a first component, for example a resin material, and a second component, for example a hardener material.
  • the connecting material 146 is formed by a polyaddition reaction from a first component and a second component.
  • the hardener material is in particular a reaction triggering material which preferably initiates and / or triggers a crosslinking reaction of the resin material.
  • a temperature during the curing and / or crosslinking of the connecting material is, for example, at most approximately 80.degree. C., in particular at most approximately 70.degree. C., preferably at most approximately 60.degree.
  • the connecting material 146 is, in particular, a material that is hardened by crosslinking.
  • the connecting material 146 has a pot life in the range from approximately 1 minute to approximately 60 minutes, preferably in the range from approximately 20 minutes to approximately 50 minutes, for example approximately 40 minutes.
  • the connecting material 146 has a curing time of approximately 5 minutes to approximately 35 hours at 22 ° C., in particular a curing time of approximately 1 hour to approximately 30 hours.
  • the connecting material 146 has a curing time of approximately 8 to 12 hours at 22 ° C. Furthermore, it is conceivable that the connecting material 146 has a curing time of approximately 16 to 30 hours at 22 ° C.
  • the bonding material 146 has a curing time to final chemical curing and / or complete crosslinking of approximately 7 days or approximately 168 hours at approximately 22 ° C., for example.
  • the connecting material 146 preferably takes up a smaller volume than before complete curing and / or before complete crosslinking.
  • the connecting material 146 has a hardening shrinkage in the range of approximately 0.5% to approximately 2%, for example approximately 1%.
  • the bonding material 146 preferably has a density in the range from about 1.1 g / cm 3 to about 2 g / cm 3.
  • the connecting material 146 has a thermal conductivity in the range from approximately 0.8 W / m * K to approximately 2 W / m * K, for example a thermal conductivity of approximately 1 W / m * K or a thermal conductivity of 1.5 W / m * K.
  • the connecting material 146 has in particular an electrical breakdown strength in the range from approximately 15 kV / mm to approximately 40 kV / mm, in particular in the range from approximately 20 kV / mm to approximately 36 kV / mm, for example an electrical breakdown strength of approximately 24 kV / mm or about 28 kV / mm.
  • the connecting material 146 preferably has a volume resistivity in the range from approximately 10 ⁇ 14 W / cm to approximately 10 ⁇ 15 W / cm.
  • the connecting material 146 has a coefficient of thermal expansion in the range from approximately 50 ppm / K to approximately 210 ppm / K below a glass transition temperature of the connecting material.
  • the connecting material 146 has a coefficient of thermal expansion in the range from approximately 50 ppm / K to approximately 250 ppm / K above a glass transition temperature of the connecting material.
  • a glass transition temperature of the connecting material 146 is in the range from approximately 5 ° C. to approximately 90 ° C., for example.
  • a glass transition temperature of the connecting material 146 is approximately 10 ° C., for example.
  • the connecting material 146 has a glass transition temperature of approximately 10 ° C., the connecting material below the glass transition temperature having a thermal expansion coefficient of approximately 72.5 ppm / K and / or that the connecting material has a thermal expansion above the glass transition temperature mix has expansion coefficients of approximately 141.7 ppm / K.
  • the connecting material 146 preferably has a tensile strength in the range from approximately 5 N / mm 2 to approximately 80 N / mm 2, in particular in the range from approximately 30 N / mm 2 to approximately 60 N / mm 2. It can be favorable if the connecting material 146 has a modulus of elasticity in the range from approximately 2000 N / mm2 to approximately 14000 N / mm2, in particular in the range from approximately 8000 N / mm2 to approximately 12000 N / mm2.
  • a respective receiving body 132 When the connecting body 130 is produced, a respective receiving body 132 preferably forms a casting mold 164 for the connecting material 146 of the connecting material body 144 (see FIGS. 4, 5 and 7).
  • the connecting material body 144 is preferably cohesively connected to the receiving body 132.
  • the galvanic cells 102 of the battery module 100 in particular the cell housing 110 of the galvanic cells 102, the connecting material 146 of the connecting material body 144 and the receiving body 132 together form, in particular, a composite component, so that preferably a high stiffness of the battery module 100 in a parallel to the Stacking direction 104 of the battery module 100 running direction can be realized.
  • the galvanic cells 102 of the battery module 100 are arranged at a distance from one another in the stacking direction 104 by means of the two connecting bodies 130, in particular are arranged essentially parallel to one another.
  • the main sides 116 of two adjacent galvanic cells 102 are in particular arranged essentially parallel to one another.
  • the galvanic cells 102 are in particular at a distance of approximately 1 mm to approximately 5 mm, in particular approximately 2 mm to approximately 4 mm, for example approximately 2 mm, from one another (see FIG. 166.
  • Two galvanic cells 102 adjacent in the stacking direction 104 and / or the two connecting bodies 130 of the battery module 100 delimit in a direction perpendicular to the stacking direction 104 of the battery module 100 and / or parallel to a short secondary side 118a of the galvanic cells 102, in particular in a parallel direction to the direction of gravity run the direction, preferably each delimit a ventilation duct 168 (cf. FIG. 14).
  • the two main sides 116 of the galvanic cells 102 adjacent in the stacking direction 104 are at a distance from one another.
  • At least approximately 50%, preferably at least approximately 75%, of the respective surfaces of the two main sides 116 are at a distance from one another.
  • the battery module 100 comprises a fan device 170, shown only schematically, which is arranged and designed such that an air flow directed into the ventilation ducts 168 of the battery module 100 can be generated by means of the fan device 170.
  • the receiving bodies 132 of the two connecting bodies 130 preferably each comprise a plurality of spacer elements 172, which in particular are arranged essentially parallel to one another.
  • the galvanic cells 102 of the battery module 100 are preferably or can be positioned relative to one another and / or relative to a respective receiving body 132 by means of the spacer elements 172.
  • the spacer elements 172 parallel to the stacking direction 104 of the battery module 100, preferably have a width 174 of approximately 1 to 5 mm, in particular approximately 2 mm to approximately 4 mm, for example approximately 2 mm (see FIG. 14).
  • the spacer elements 172 of a respective receiving body 132 have, for example, a distance from one another parallel to the stacking direction 104, which essentially corresponds to a width of a secondary side 118 of a respective galvanic cell 102 in a direction running parallel to the stacking direction 104 of the battery module 100.
  • the spacer elements 172 of the receiving body are, for example, separating webs.
  • a respective spacer element 172 comprises several separating pins, not shown in the drawing, which in particular are each arranged in alignment in a direction perpendicular to the stacking direction 104 of the battery module 100.
  • a plurality of axially aligned separating pins preferably form a spacer element 172.
  • An intermediate space 176 is thus preferably arranged between adjacent galvanic cells 100, in which the cell housing 110 of two adjacent galvanic cells 102 preferably do not abut against one another.
  • the intermediate space 176 forms the ventilation duct 168, for example.
  • one or more additional elements are arranged in the space 176, for example one or more propagation protection elements, one or more sensor elements and / or one or more temperature control elements.
  • Propagation of a thermal runaway of a galvanic cell 102 can preferably be delayed and / or prevented by means of one or more propagation protection elements arranged in the space 176.
  • the galvanic cells 102 adjoining the intermediate space 176 can preferably be temperature-controlled, for example cooled, by means of one or more temperature control elements arranged in the intermediate space 176.
  • heat can be dissipated from the interspace 176 by means of one or more temperature control elements arranged in the interspace 176.
  • spacer elements 172 of a respective receiving body 132 are designed as heat conducting elements, in particular if the receiving body 132 comprises a metallic material or is formed therefrom.
  • spacer elements 172 of a respective receiving body 132 comprise a temperature control channel structure, not shown in the drawing, through which a temperature control medium, in particular a temperature control liquid, can be conducted.
  • Sensor elements arranged in the intermediate space 176 include, for example, temperature sensors, strain sensors and / or pressure sensors or are formed by these.
  • a propagation protection element of a battery module 100 comprises the following: a sheet silicate, in particular mica, vermiculite and / or expandable graphite;
  • Basalt a ceramic material; and / or a silicone mat with an endothermic filler material.
  • a propagation protection element preferably has a thermal conductivity of at most approximately 1 W / m * K, in particular of, in a direction running parallel to the stacking direction 104 of the battery module 100 at most approximately 0.3 W / m * K, preferably at most approximately 0.1 W / m * K.
  • a propagation protection element preferably has a heat resistance of at least about 600 ° C, for example a heat resistance of at least about 800 ° C.
  • the battery module furthermore preferably comprises a cell contacting system, not shown in the drawing in FIGS. 1 to 15, which in particular comprises a plurality of cell connection elements.
  • the cell poles 178 of two galvanic cells 102 shown in FIG. 18 are connected or can be connected to one another by means of a respective cell connecting element, in particular cell poles 178 of two galvanic cells 102 that are adjacent in the stacking direction 104.
  • a respective receiving body 132 of a connecting body 130 preferably comprises a fastening device 180 for fastening the cell contacting system of the battery module 100 (see FIG. 2).
  • the cell contacting system is, in particular, fastened or can be fastened to the receiving bodies 132 by means of the fastening device 180.
  • the fastening device 180 comprises a carrier device 182 to which a cell contacting system of the battery module 100 is fastened or can be fastened.
  • the battery module 100 preferably further comprises a cell monitoring system 184, which in particular comprises a cell monitoring board 186 (see FIG. 1).
  • the two connecting bodies 130 in particular the receiving bodies 132 of the two connecting bodies 130, each include one or more fastening elements 190, by means of which the battery module 100 can be fixed to a housing of a battery device 101 and which in particular each have a connection element that is not shown in the drawing are trained.
  • the fastening elements 190 are in particular sleeve elements 191 for the implementation of a screw element, for example a screw.
  • the fastening elements 190 are preferably each arranged in end regions 192 of a respective receiving body 132.
  • the receiving bodies 132 of the two connecting bodies 130 in particular each comprise two fastening elements 190.
  • a respective battery module 100 preferably comprises four fastening elements 190 each.
  • a longitudinal axis of the sleeve elements 191 runs, for example, essentially parallel to a common winding line 124 of a cell roll 112 of a galvanic cell 102 and / or parallel to a short secondary side 118a of a galvanic cell 102.
  • the fastening elements 190 preferably comprise or are formed from a metallic material, for example steel or aluminum.
  • the fastening elements 190 are in particular metallic sleeves.
  • the fastening elements 190 of the two connecting bodies 130 are preferably encapsulated with the plastic material of the receiving body 132.
  • the fastening elements 190 are encapsulated with the plastic material of the receiving body 132 in an injection molding process when the receiving body 132 is produced.
  • the fastening elements 190 of the receiving body 132 are pressed into the plastic material of the respective receiving body 132.
  • the receiving bodies 132 are first produced in an injection molding process, the fastening elements 190 then being pressed into openings in the receiving body 132, which are introduced into the receiving body 132 when the latter is produced.
  • the two connecting bodies 130 of the battery module 100 are preferably connected to one another or can be connected to one another in a force-fitting and / or form-fitting manner.
  • the battery module 100 comprises a bracing device 194, by means of which the two connecting bodies 130 of the battery module 100 are connected or can be connected to one another in a force-fitting and / or form-fitting manner.
  • the bracing device 194 is only shown schematically in FIG.
  • a tensioning force can be exerted on the two connecting bodies 130 of the battery module 100 by means of the tensioning device 194, in particular a tensioning force directed in a direction perpendicular to the stacking direction 104 of the battery module 100 and parallel to a long side side 118b of the galvanic cells 102 of the battery module 100, which is indicated in FIGS. 1 and 12 by an arrow 196.
  • the two connecting bodies 130 of the battery module 100 can preferably be tensioned against each other and / or toward each other by means of the clamping device 194. It can be favorable if the bracing device 194 comprises one or more tensioning clamp elements (not shown in the drawing).
  • the battery module 100 shown in Fig. 1 can preferably be adjusted as follows:
  • a first receiving body 132a is preferably provided first (see FIG. 2).
  • galvanic cells 102 are arranged in the receptacle 148 of the receptacle body 132a along the stacking direction 104, in particular in alignment (see FIG. 3).
  • the galvanic cells 102 are positioned in particular relative to one another and / or relative to the first receiving body 132a.
  • the galvanic cells 102 are arranged in the receptacle 148 of the first receptacle body 132a in particular essentially parallel to one another and / or at a distance from one another.
  • a particularly flowable and / or pourable connecting material 146 is preferably introduced into the receptacle 148 of the first receptacle body 132a (see FIG. 5).
  • the connecting material 146 is in particular poured into the receptacle 148 of the first receptacle body 132a, which forms a casting mold (see FIG. 5).
  • the connecting material 146 is first introduced into the receptacle 148 of the first receptacle body 132a, in particular poured in (see FIG. 4), with the galvanic Cells 102 are arranged in the receptacle 148 of the first receptacle body 132a (see FIG. 5).
  • the connecting material 146 hardens at least partially and / or at least partially crosslinks.
  • connection material 146 When the connection material 146 is at least partially cured and / or crosslinked, a connection material body 144 of a first connection body 130a is formed, in particular, which connects the galvanic cells 102 to one another in the stacking direction 104.
  • the connecting material body 144 remains, after curing and / or networking of the connecting material 146 in the first receiving body 132a, preferably shape-bound.
  • the connecting material body 144 forms, in particular, together with the first receiving body 132a, a first connecting body 130a which connects the galvanic cells 102 to one another in the stacking direction 104.
  • the galvanic cells 102 are connected to one another by means of the connecting material 146, preferably on a first side thereof, in particular on a short secondary side 118a of the galvanic cells 102.
  • the galvanic cells 102 are in particular fixed on the second side while the galvanic cells 102 are encapsulated on the first side.
  • the galvanic cells 102 are preferably formed during the introduction of the connecting material 146 into the receptacle 148 of the first receptacle body 132a and / or during the encapsulation of the galvanic cells 102 on the first side positioned and / or fixed relative to one another on the second side in such a way that main sides 116 of the cell housings 110 of the galvanic cells 102 are arranged essentially parallel to one another.
  • the second side of the galvanic cells 102 is in particular a side of the galvanic cells 102 facing away from the first side.
  • the first side and the second side are in particular the short secondary sides 118a of the galvanic cells 102 and / or the cell housing 110 of the galvanic cells 102.
  • the galvanic cells are positioned and / or fixed relative to one another by means of a second receiving body 132b on the second side of the galvanic cells, while the galvanic cells 102 are potted with one another.
  • the galvanic cells 102 are arranged in the receptacle of a second receptacle body 132b.
  • an in particular flowable and / or pourable connecting material 146 is preferably introduced into the receptacle 148 of the second receptacle body 132b.
  • the second receiving body 132b forms a casting mold 164 for the connecting material 146.
  • the connecting material 146 preferably at least partially hardens and / or at least partially crosslinks after it has been introduced into the receptacle 148 of the second receptacle body 132b.
  • a connection material body 144 of a second connection body 130b is formed in particular, which connects the galvanic cells 102 to one another in the stacking direction 104.
  • the connecting material body 144 After the curing and / or networking of the connecting material 146 in the second receiving body 132b, the connecting material body 144 preferably remains form-bound.
  • the connecting material body 144 forms, together with the second receiving body 132b, a second connecting body 130b, which connects the galvanic cells 102 to one another in the stacking direction 104.
  • the connecting material 146 preferably cures completely and / or completely crosslinks only after the galvanic cells 102 have been cast on the first side and the second side.
  • the galvanic cells 102 are heated and / or dried before the connecting material 146 is introduced into the receptacle 148 of the first and / or second receptacle body 132a, 132b.
  • the connecting material 146 is heated before it is introduced and / or after it has been introduced into the receptacle 148 of the first and / or second receptacle body 132a, 132b, in particular by supplying heat.
  • the galvanic cells 102 are preferably heated to a temperature in the range from approximately 20 ° C. to approximately 60 ° C., for example from approximately 25 ° C. to approximately 55 ° C., in particular from approximately 25 ° C. to approximately 45 ° C.
  • a dynamic viscosity of the connecting material 146 can preferably be reduced by heating the galvanic cells 102 and / or the connecting material 146. By heating the galvanic cells 102 and / or the connecting material 146, in particular a flow behavior of the connecting material 146 can be improved.
  • a constant process quality can preferably be achieved by heating the galvanic cells 102.
  • the galvanic cells 102 are preferably aligned during the production of the two connecting bodies 130 such that cell poles 178 of the galvanic cells 102 of the battery module 100, in particular all of the galvanic cells 102 of the battery module 100, are arranged in one plane.
  • the galvanic cells 102 of the battery module 100 are potted with the connection material 146 preferably at normal pressure or at a negative pressure, for example at a pressure in the range from approximately 200 mbar to approximately 800 mbar.
  • the connecting material 146 in particular forms a one-piece connecting material body 144, with a one-piece connecting material body 144 preferably connecting all of the galvanic cells 102 of the battery module 100 to one another in a materially and / or form-fitting manner.
  • An embodiment of a battery module 100 shown in FIG. 16 differs from the embodiment of a battery module 100 shown in FIGS. 1 to 15 essentially in that the receiving bodies 132 the two connecting bodies 130 comprise a temperature control channel structure 198 through which a temperature control medium can be conducted.
  • a temperature control medium is, for example, a temperature control liquid, in particular water.
  • the galvanic cells 102 of the battery module 100 can preferably be temperature controlled, in particular cooled or heated.
  • a temperature control channel structure 198 of the receiving bodies 132 is, for example, a temperature controlling channel structure 198 produced by roll bonding, in particular if the receiving body 132 comprises or is formed from a metallic material, in particular aluminum.
  • FIG. 16 corresponds in terms of structure and function to the embodiment of a battery module 100 shown in FIGS. 1 to 15, so that reference is made to the preceding description thereof.
  • An embodiment of a battery module 100 shown in FIG. 17 differs from the embodiment of a battery module 100 shown in FIG. 16 essentially in that the temperature control channel structure 198 of the receiving bodies 132 is a plurality of partial bodies of the receiving bodies 132 that are welded together by welding, in particular by friction produced temperature control channel structure 198 is.
  • the receiving bodies 132 include, in particular, a plastic material or are formed from this.
  • the partial bodies of the receiving bodies 132 are injection-molded components. Otherwise, the embodiment of a battery module 100 shown in FIG. 17 corresponds in terms of structure and function to the embodiment of a battery module 100 shown in FIG. 16, so that reference is made to the previous description thereof.
  • An embodiment of a battery module 100 shown in FIG. 20 differs from the embodiment of a battery module 100 shown in FIGS. 1 to 15 essentially in that cell connecting elements 200 are thermally coupled, in particular thermally connected, to the connecting material bodies 144 of the two connecting bodies 130 .
  • the cell connecting elements 200 preferably comprise or are formed from a metallic material, in particular a sheet metal material.
  • two galvanic cells 102 are preferably electrically connected or connectable to one another.
  • cell connection elements 200 in particular cell poles 178 of two galvanic cells 102 of the battery module 100 are connected to one another or can be connected, in particular cell poles 178 of two galvanic cells 104 that are adjacent in the stacking direction 104.
  • a respective cell connection element 200 comprises in particular two connection sections, the cell connection element 200 being electrically connected or connectable to a cell pole 178 of a galvanic cell 102 by means of a connection section.
  • the cell connection elements 200 do not include any compensation sections by means of which a distance between the two connection sections of a respective cell connection element 200 can be changed.
  • the cell connecting elements 200 are preferably designed to be essentially flat and / or planar.
  • the cell connecting elements 200 preferably each include a heat conduction section 202, by means of which heat can be dissipated from the respective cell connecting element 200.
  • the heat conduction section 202 of the cell connecting elements 200 is in particular each thermally coupled to a connecting material body 144 of the two connec tion bodies 130, in particular in a thermally conductive manner.
  • the heat conduction section 202 of a respective cell connecting element 200 is in particular at least partially, preferably essentially completely, enclosed by the connecting material 146 of the connecting material body 144.
  • the heat conduction section 202 of a respective cell connecting element 200 is preferably cast into the connecting material 146 of the connecting material body 144.
  • the galvanic cells 102 of the battery module 100 can preferably be cooled by dissipating heat from the cell connecting elements 200 of the battery module 100.
  • the embodiment of a battery module 100 shown in FIG. 20 corresponds in terms of structure and function to the embodiment of a battery module 100 shown in FIGS. 1 to 15, so that reference is made to the preceding description thereof.
  • FIGS. 21 to 23 differs from the embodiment of a battery module 100 shown in FIG. 20 essentially in that the battery module 100 has connecting elements 204 for detachable and / or tool-free fixing a cover element 206, shown in FIG. 22, of a battery device 101 on the battery module 100.
  • the battery device 101 preferably comprises a housing 208 and a plurality of battery modules 100.
  • the housing 208 comprises the cover element 206.
  • the housing 208 of the battery device 101 comprises in particular an interior space 210 in which the battery modules 100 of the battery device 101 are or can be arranged.
  • the interior 210 of the housing 208 of the battery device 101 is preferably closed or ver closable by means of a single cover element 206.
  • the connecting elements 204 for the detachable and / or tool-free securing of the cover element to the battery modules 100 of the battery device shown in FIG. 23 are preferably on an upper side of the two connecting bodies 130, in particular the receiving bodies 132, facing the cell poles 178 of the galvanic cells 102 of the battery module 100 of the two connecting bodies 130, are arranged.
  • a connecting element 204 for detachably and / or tool-free fixing of the cover element 206 to a respective battery module 100 is arranged on a long side wall element 142b of the receiving body 132 of a respective connecting body 130.
  • the cover element 206 is preferably fixed or fixable on the housing 208 indirectly via the battery modules 100, in particular by means of the connecting elements 204 for the detachable and / or tool-free fixing of the cover element 206 to the battery modules 100.
  • the cover element 206 of the battery device 101 is preferably only connected to the connecting bodies 130 of the battery modules 100.
  • the battery modules 100 of the battery device 101 shown in FIG. 23 in particular do not include any additional battery module cover element that is different from the cover element 206 of the battery device 101.
  • a rigidity of the battery device 101 can preferably be increased.
  • the connecting elements 204 for detachable and / or tool-free fixing of the cover element 206 to the battery modules 100 are designed as Velcro elements 212, in particular as Velcro straps.
  • one or more connecting elements 204 for detachably and / or tool-free securing of the cover element 206 to the battery modules 100 are designed as magnetic elements, in particular as magnetic tapes.
  • an adhesive connection can be provided as one or more connecting elements 204.
  • one or more rows of individual magnets form one or more connecting elements 204 for securing the cover element 206 to the battery modules 100 in a detachable and / or tool-free manner.
  • the connecting elements 204 for the detachable and / or tool-free securing of the cover element 206 to the battery modules 100 are in particular fixed to the cover element 206 by means of an adhesive connection. At least one sub-element of a respective connecting element 204 is preferably fixed to the cover element 206 by means of an adhesive connection.
  • the connecting elements 204 for the detachable and / or tool-free securing of the cover element 206 to the battery modules 100 preferably each comprise two sub-elements, one of the sub-elements of each connecting element 204 being fixed or fixable on the cover element 206 and another on a respective battery module 100, in particular is glued or glued on.
  • the sub-elements of the connecting elements 204 are preferably each independently fixed to the cover element 206 or to the battery modules 100.
  • a tool-free and / or detachable connection between the cover element 206 and the battery modules 100 then preferably results from the fact that the two sub-elements can be fixed to one another in a detachable and / or tool-free manner.
  • One or more connecting elements preferably one or two or more than two sub-elements of the connecting elements 204, can in particular comprise a plastic material or be formed from a plastic material.
  • plastic material poly (p-phenylene terephthalamide) (PPTA) and / or poly (m-phenylene isophthalamide) (PMPI).
  • PPTA poly (p-phenylene terephthalamide)
  • PMPI poly (m-phenylene isophthalamide)
  • connection elements 204 for detachable and / or tool-free fixing of the cover element 206 on the battery modules 100 preferably one or two or more than two sub-elements of the connection elements 204 for detachable and / or fixing the cover element 206 to the battery modules 100 without tools, comprise a metal material or are formed from a metal material.
  • plastic Velcro elements and / or metal Velcro elements can be provided.
  • FIGS. 21 to 23 corresponds in terms of structure and function to the embodiment of a battery module 100 shown in FIG. 20, so that reference is made to the previous description thereof.
  • FIGS. 24 and 25 differs from the embodiment of a battery module 100 shown in FIGS. 1 to 15 essentially in that the two connection bodies 130 of the battery module 100 each comprise two connection sections 214, by means of which a respective connecting body 130 can be connected to a connecting body 130 of an adjacent battery module 100 (see FIG. 25).
  • the connecting sections 214 of the connecting bodies 130 include, in particular, one or more undercut sections 216 or are formed by these.
  • Two adjacent battery modules 100 can preferably each be connected to one another by means of two undercut elements 218.
  • An undercut element 218 for connecting two adjacent battery modules 100 can each be inserted into a connecting section 214 of a first battery module 100 and into a connecting section 214 of a second battery module 100, in particular along a longitudinal direction of connecting section 214 of first battery module 100 and / or connecting section 214 of the second battery module 100.
  • the connecting bodies 130, in particular the receiving bodies 132, of interconnected battery modules 100, with the exception of the connecting sections 214, preferably bear directly on one another.
  • Adjacent battery modules 100 are preferably braced or braced against one another by introducing an undercut element 218 into the connecting sections 214 of the neighboring battery modules 100.
  • a battery device 101 comprises a housing 208, with battery modules 100 of the battery device 101 being or can be connected to the housing 208 by means of one or more undercut elements 214.
  • the housing 208 comprises in particular a plurality of connecting sections 214 into which an undercut element 218 for connecting the housing 208 to a respective battery module 100 can be inserted.
  • a battery module 100 is connected or connectable to the housing 208 of the battery device 101, preferably by inserting an undercut element 218 into a connecting section 214 of the battery module 100 and into a connecting section 214 of the housing 208.
  • a connecting section 214 comprises in particular a groove which is preferably designed as a profile groove.
  • a respective profile groove of the connecting section 214 is preferably arranged essentially perpendicular to the stacking direction 104 of the battery module 100 and / or parallel to a short secondary side 118a of the galvanic cells 102 of the battery module 100. It is particularly conceivable that the battery module comprises a total of four or more than four connecting sections 214, for example four profi utes.
  • an undercut element 218 is designed as a profile strip or as a profile block, in particular as a slot nut.
  • a cross section of the connecting section 214, in particular the profile groove, is preferably designed to be complementary to a cross section of the undercut element 218.
  • a connecting section 214 in particular a profile groove, is designed as a regular trapezoid in a cross section.
  • An undercut element 218 is preferably designed as a double regular trapezoid in a cross section.
  • the undercut element 218 is, for example, a dovetail profile, in particular a double dovetail profile.
  • FIGS. 24 and 25 agrees with the structure and function of the battery module 100 shown in FIGS.
  • An embodiment of a battery module 100 shown in FIGS. 26 and 27 differs from the embodiment of a battery module 100 shown in FIGS. 24 and 25 essentially in that a respective connecting section 214, in particular a profile groove, has a T-shaped cross section is trained.
  • An undercut element 218 is preferably designed to be double-T-shaped in cross section Otherwise, the embodiment of a battery module 100 shown in FIGS. 26 and 27 corresponds in terms of structure and function to the embodiment of a battery module 100 shown in FIGS. 24 and 25, so that reference is made to the above description in this respect.
  • An embodiment of a battery module 100 shown in FIGS. 28 to 34 differs from the embodiment of a battery module 100 shown in FIGS. 1 to 15 essentially in that a connection body 130 is arranged on a long secondary side 118b of the galvanic cells 102 , in particular on a long secondary side 118b of the galvanic cells 102, which faces away from the cell poles 178 of the galvanic cells 102.
  • the battery module 100 preferably comprises only a single connection body 130, which is arranged on the long secondary side 118b of the galvanic cells 102.
  • the battery module 100 does not include any further connecting bodies which are arranged on the short secondary sides 118a of the galvanic cells 102.
  • the connecting body 130 preferably encloses a maximum of approximately 40%, in particular a maximum of approximately 20%, of a surface of the short secondary sides 118a and / or the main sides 116 of the galvanic cells 102. It can be favorable if the receiving body 132 of the connecting body 130 comprises a temperature control channel structure, not shown in the drawing, through which a temperature control medium, in particular a temperature control liquid, can be conducted. In particular, a cell base of the galvanic cells 102 of the battery module 100 can be cooled with such a temperature control channel structure.
  • the embodiment of the battery module 100 shown in FIGS. 28 to 34 is preferably produced analogously to the production of the embodiment of a battery module 100 shown in FIGS. 1 to 15.
  • the connecting material 146 is first introduced into the receptacle 148 of the receptacle body 132 and then the galvanic cells 102 are arranged in the receptacle 148 of the receptacle body 132 (see FIGS. 32 to 34).
  • a battery device 101 which comprises a plurality of battery modules 100 according to the embodiment shown in FIGS. 28 to 34, comprises a temperature control device 220 which comprises a plurality of temperature control elements 222 (see FIG. 29).
  • the temperature control elements 222 of the temperature control device 200 include in particular a temperature control channel structure, not shown in the drawing, through which a temperature control medium, in particular a temperature control liquid, can be conducted.
  • a temperature control channel structure of the temperature control elements 222 comprises, for example, one or more temperature control channels, which are in particular arranged in a meander shape.
  • the temperature control elements 222 of the temperature control device 200 are temperature control elements 222 produced by "roll bonding", for example.
  • One temperature control element 222 of the temperature control device 220 is preferably arranged between two adjacent battery modules 100 of the battery device 101.
  • a length 224 of a tempering element 222 arranged between two adjacent battery modules 100 preferably corresponds to at least approximately 50% of a length 226 of the battery modules 100 in a direction parallel to the stacking direction 104, in particular at least approximately 75%, preferably at least approximately 95%.
  • a temperature control element 222 is arranged on a side of a respective battery module 100 facing away from the cell poles 178 of the galvanic cells 102 of the battery modules 100.
  • heat can preferably be dissipated from the galvanic cells 102 of the battery modules 100 of the battery device 101.
  • a cell base of the galvanic cells 102 can preferably be temperature controlled, in particular cooled or heated.
  • Temperature control elements 222 which are arranged on a side of the respective battery module 100 facing away from the cell poles 178 of the galvanic cells 102 of the battery modules 100, are preferably in thermal contact with a cell base of the galvanic cells 102, for example by embedding the cell base of the galvanic cells 102 in the connecting material 146.
  • the temperature control elements 222 of the temperature control device 200 arranged between two adjacent battery modules 100 of the battery device 101 are each arranged between the short secondary sides 118a of the galvanic cells 102 of the two adjacent battery modules 100.
  • Temperature control elements 100 arranged between two adjacent battery modules 100, in particular between the short secondary sides 118a of the galvanic cells 102 of the battery modules 100, are preferably in thermal contact with the short secondary sides 118a of the galvanic cells 100.
  • FIGS. 35 to 41 differs from the embodiment of a battery module 100 shown in FIGS. 28 to 34 essentially in that the battery module 100 comprises several connecting bodies 130, which in particular are parallel to one another and / or are arranged parallel to the stacking direction 104 of the battery module 100 (cf. FIGS. 36 and 37).
  • a respective receiving body 132 of the connecting body 130 preferably comprises two side wall elements 228 and a bottom wall element 230 (see FIG. 35).
  • the side wall elements 228 in particular protrude substantially perpendicularly away from the bottom wall element 230.
  • the side wall elements 228 of a respective receiving body 132 preferably each include a plurality of receiving areas 232, in each of which a galvanic cell 102 of the battery module 100 is received.
  • the receiving areas 232 of the side wall elements 228 of the receiving body 132 preferably have a width 234 in a direction running parallel to the stacking direction 104 of the battery module 100, which is essentially a width 120 of the galvanic cells 102 in the parallel to the stacking direction 104 of the battery module 100 running direction corresponds.
  • a spacing area 236 is preferably arranged between two receiving areas 232 of a side wall element 228.
  • a respective receiving area 232 of a side wall element 228 of the receiving body 132 is delimited by two spacing areas 236 in each case.
  • the spacing regions 236 of a respective side wall element 228 are preferably designed as rectangular projections and in particular each form a spacer element 172
  • the receiving areas 232 are designed as rectangular recesses.
  • the side wall elements 228 of the receiving body 132 are each formed mirror-symmetrically to a mirror plane of a respective receiving body 132.
  • receiving areas 232 and / or spacing areas 236 of the two side wall elements 228 of a respective receiving body 132 are preferably arranged essentially congruently.
  • the receiving body 132 preferably further comprises two closure elements 238, which are arranged or can be arranged perpendicular to the two side wall elements 228 and perpendicular to the bottom wall element 230.
  • a receptacle 148 of the receptacle body 132 can preferably be closed by means of the closure elements 238.
  • the two side wall elements 228, the two closure elements 238 and the bottom wall element 230 of the receiving body 132 preferably form and / or delimit a receptacle 148 of the receiving body 132.
  • the side wall elements 228 of the receiving body 132 comprise one or more sealing elements 240 for sealing between a respective side wall element 228 and a galvanic cell 102.
  • the sealing elements 240 are only indicated schematically in the figures by means of an arrow.
  • the sealing elements 240 of the side wall elements 228 are preferably arranged in the region of the receiving areas 232 of the side wall elements 228.
  • the sealing elements 240 are arranged in particular on the edges of the side wall elements 228.
  • Sealing elements 240 can be used, in particular, to provide a seal in the area of receiving areas 232 of side wall elements 228.
  • the sealing elements 232 can prevent the connection material 146 from escaping from the receiving body 132 when the battery module 100 is being manufactured, in particular when the connecting material 146 is poured into the receptacle 148 of the receiving body 132.
  • Sealing elements 240 arranged in the region of the receiving areas 232 of the side wall elements 228 are preferably designed to be compressible.
  • sealing elements 240 comprise or are formed from a rubber material.
  • a height tolerance of the galvanic cells 102 of the battery module 100 can preferably be compensated for by means of the sealing elements 240, in particular by partially compressing the sealing elements 240.
  • the receiving bodies 132 in particular the two side wall elements 228 and / or the bottom wall element 230 of the receiving bodies 132, preferably include a temperature control channel structure, not shown in the drawing, through which a temperature control medium, in particular a temperature control liquid, can be conducted.
  • battery modules 100 that are adjacent to one another perpendicular to the stacking direction 104 of the battery modules 100 are connected to one another by means of a common connecting body 130.
  • the common connecting body 130 comprises, in particular, a common receiving body 132 and / or a common connecting material body 144.
  • the galvanic cells 102 of a respective adjacent battery module 100 are each connected to the common connecting body 130.
  • the galvanic cells 102 of a first battery module 100 are preferably received in the receiving area 232 of a first side wall element 228 of the common receiving body 132, with the galvanic cells 102 of a second battery module 100 being received in the receiving area 232 of a second side wall element 228 of the common receiving body 132 are included.
  • FIGS. 35 to 41 corresponds in terms of structure and function to the embodiment of a battery module 100 shown in FIGS. 28 to 34, so that reference is made to the preceding description thereof.
  • FIGS. 42 to 44 embodiments of battery devices 101 are shown which comprise a plurality of battery modules 100 according to one of the embodiments shown in FIGS. 1 to 41.
  • a respective battery module 100 of the battery device 101 preferably comprises two clamping sections and / or clamping sections 242.
  • the battery modules 100 can preferably be connected to the housing 208 of the battery device 101 by means of the clamping sections and / or clamping sections 242, in particular can be fixed to the housing 208 in a clamping and / or tensioning manner.
  • the clamping sections and / or clamping sections 242 are preferably designed as grooves, with a longitudinal direction of the grooves in particular being arranged essentially parallel to the stacking direction 104 of the battery module 100.
  • the clamping sections and / or clamping sections 242 of a respective battery module 100 are in particular arranged parallel to one another.
  • clamping sections and / or clamping sections 242 of a respective connec tion body 130, in particular of a respective receiving body 132 of the connecting body 130, are preferably arranged on an edge region of the connecting body 130, in particular the receiving body 132.
  • the battery device preferably comprises a plurality of clamping elements and / or clamping elements 244, by means of which the battery modules can be connected to a housing 208 of the battery device 101.
  • the clamping elements and / or clamping elements 244 are preferably at least partially insertable into the clamping sections and / or clamping sections 242 of the connecting body 130.
  • the clamping elements and / or clamping elements 244 of the battery device 101 are preferably designed essentially complementary to the clamping sections and / or clamping sections 242 of the battery modules 100.
  • the battery modules 100 of the battery device 101 can be fixed to the housing 208 of the battery device 101 by means of the clamping elements and / or clamping elements 244, in particular in a clamping and / or tensioning manner.
  • clamping elements and / or clamping elements 244 are clamping strips.
  • the clamping elements and / or clamping elements 244 can in particular be screwed to a housing base of the housing 208, in particular by passing a screw element 246 through the clamping elements and / or clamping elements 244 and then screwing the screw element 246 into the housing base of the housing 208 of the battery device 101.
  • the clamping elements and / or tensioning elements 244 can be connected by means of one or more screw elements 246, in particular to the housing 208 and / or to a threaded section fixed on the housing 208, in particular by screwing.
  • the clamping elements and / or tensioning elements 244 can preferably be moved towards the housing 208 when they are connected to the housing 208 of the battery device 101, in particular can be moved towards a bottom wall of the housing 208.
  • the clamping sections and / or clamping sections 242 of the connecting body 130, in particular the receiving body 132 of the connecting body 130, and / or the clamping elements and / or clamping elements 244 of the battery device 101 are preferably designed in such a way that the battery modules 100 when the clamping elements and / or Clamping elements 244 in a direction perpendicular to the stacking direction 104 of the battery module 100 and parallel to a short secondary side 118a of the galvanic cells 102, for example when screwing the clamping elements and / or the clamping elements 244 to the housing bottom of the housing 208 of the battery device 100, in a perpendicular to the stacking direction 104 and parallel to a long secondary side 118b of the galvanic cells 102 running direction are clamped and / or clamped.
  • the clamping sections and / or clamping sections 242 of a respective battery module 100 and / or the clamping elements and / or clamping elements 244 are in particular designed such that the battery modules 100 are clamped and / or braced by screwing the clamping elements and / or clamping elements 244 in a plane perpendicular to a screwing direction of the screw elements 246.
  • clamping sections and / or clamping sections 242 of the battery modules 100 each include an inclined surface 248 arranged at an angle to the short secondary sides 118a of the galvanic cells 102.
  • the inclined surface 248 is arranged in particular inclined to a screwing direction of the screw elements 246.
  • the battery modules 100 are preferably arranged or can be arranged at a distance from one another in a direction perpendicular to the stacking direction 104 of the same.
  • the battery modules 100 are preferably abutted or can be arranged in a direction running perpendicular to the stacking direction 104 of the same.
  • the connecting bodies 130 in particular the connecting material bodies 144 of the connecting bodies 130, of adjacent battery modules 100 are connected to one another in a thermally conductive manner.
  • heat can be dissipated from the battery modules 100 through the connecting material 146 of the connecting material body 144.
  • pouch cells can also be used as galvanic cells 102 as an alternative to prismatic cells 104.
  • Special embodiments are the following:
  • a battery module (100) which comprises: several galvanic cells (102), in particular several prismatic cells (106) or several pouch cells, which are arranged along a stacking direction; one or more connecting bodies (130), wherein the one or more connecting bodies (130) connect the galvanic cells (102) to one another in the stacking direction.
  • Battery module (100) according to one of embodiments 2 or 3, characterized in that the galvanic cells (102) of the battery module (100), in particular cell housing (110) of the galvanic cells (102), the connecting material (146) of the connecting material body (144) and the receiving body (132) together form a composite component.
  • Battery module (100) according to one of the embodiments 2 to 4 characterized in that the connecting material (146) is a flowable and / or pourable material.
  • Battery module (100) according to one of the embodiments 2 to 5 characterized in that the connecting material (146) is a two-component material.
  • Battery module (100) according to one of the embodiments 2 to 6 characterized in that the connecting material (146) has a density in the range from approximately 1.1 g / cm3 to approximately 2 g / cm3.
  • Battery module (100) according to one of embodiments 2 to 10, characterized in that the connecting material (146) has a coefficient of thermal expansion in the range of approximately 50 ppm / K to approximately 210 ppm / K below a glass transition temperature of the connecting material (146) and / or that the connection material (146) above a glass transition temperature of the connection material (146) has a coefficient of thermal expansion in the range from approximately 50 ppm / K to approximately 250 ppm / K.
  • Battery module (100) according to one of the embodiments 1 to 17, characterized in that a receiving body (132) of a respective connecting body (130) has a plurality of spacer elements (172) which have a width parallel to the stacking direction of the battery module (100) from approximately 1 to 5 mm, in particular from approximately 2 mm to approximately 4 mm, for example from approximately 2 mm.
  • Battery module (100) according to one of the embodiments 1 to 19, characterized in that the galvanic cells (102) of the battery module (100) connect the one or more connecting bodies (130) of the battery module (100) to one another in a load-bearing manner.
  • Battery module (100) according to embodiment 24 or 25, characterized in that one or more connecting elements (204) for detachable and / or tool-free fixing of the cover element (206) to the battery module (100) are designed as magnetic elements, in particular as magnetic tapes.
  • Battery module (100) according to one of the embodiments 24 to 26, characterized in that the one or more connecting elements (204) for detachable and / or tool-free fixing of a cover element (206) on the battery module (100) on one of the cell poles of the Galvanic cells (102) of the battery module (100) facing the upper side of the connecting body (130), in particular the receiving body (132), is arranged.
  • Battery module (100) according to one of the embodiments 1 to 27, characterized in that a width of a connecting material body (144) in a perpendicular to the stacking direction of the battery module (100) and parallel to a long secondary side (118) of the galvanic cells (102) extending direction approximately a sum of a wall thickness (138) of a cell housing wall of a cell housing (110) a galvanic cell (102), a distance between a cell roll (112) of the galvanic cell (102) and the cell housing wall of the cell housing (110) and a width of a deflection region (122) of a cell roll of the galvanic cell (102).
  • Battery module (100) according to one of the embodiments 1 to 28, characterized in that two galvanic cells (102) adjacent in the stacking direction and / or two connecting bodies (130) of the battery module (100) in a direction perpendicular to the stacking direction of the battery module (100) and / or parallel to a short secondary side (118) of the galvanic cells (102) running direction, in particular special in a direction running parallel to the direction of gravity Rich, each delimit a ventilation duct (168).
  • Battery module (100) according to one of the embodiments 1 to 29, characterized in that the battery module (100) comprises a fan device (170) which is arranged and designed in such a way that the ventilation ducts (168) of the Battery module (100) directed air flow can be generated.
  • Battery module (100) according to one of the embodiments 1 to 30, characterized in that a respective connecting body (130), in particular a respective receiving body (132), comprises one or more fastening elements (190) by means of which the battery module (100) is attached to a housing (208) of a battery device (101) can be fixed and which are each designed in particular to carry out a connecting element (204).
  • Battery module (100) according to one of the embodiments 1 to 32, characterized in that a respective receiving body (132) of a connecting body (130) comprises a fastening device (180) for fastening a cell contacting system of the battery module (100).
  • Battery module (100) according to one of the embodiments 1 to 34, characterized in that the battery module (100) comprises a plurality of cell connecting elements (200), by means of which cell poles (178) of two galvanic cells (102) of the battery module (100) are connected or can be connected to one another are, wherein a respective cell connection element (200) comprises a heat conduction section (202), by means of which heat can be dissipated from the respective cell connection element (200).
  • Battery module (100) according to embodiment 35 characterized in that the heat conduction section (202) of a respective cell connection element (200) is thermally coupled to a connecting material body (144) of a connecting body (130), in particular connected in a thermally conductive manner.
  • Battery module (100) according to one of the embodiments 1 to 36, characterized in that a respective connecting body (130) of the battery module (100) each comprises one or more connecting sections (214), by means of which the connecting body (130) can be connected to a connecting body (130) of an adjacent battery module (100).
  • Battery module (100) according to one of embodiments 1 to 38, characterized in that one or more connecting bodies (130) are arranged on a long secondary side (118b) of the galvanic cells (102), in particular on a long secondary side (118b) of the galvanic cells (102), which faces away from the cell poles (178) of the galvanic cells (102).
  • Battery module (102) according to embodiment 39 characterized in that the battery module (100) comprises only a single connecting body (130) which is arranged on the long side (118b) of the galvanic cells (102).
  • Battery module (100) according to embodiment 40 characterized in that all long secondary sides (118b) of the galvanic cells (102) of the battery module (100), which the cell poles (178) of the galvanic cells (102) face away.
  • Battery module (100) according to one of the embodiments 40 or 41, characterized in that the receiving body (132) of the connecting body (130) comprises a temperature control channel structure (198) which a temperature control medium, in particular a temperature control liquid, can be conducted, with the temperature control channel structure (198) in particular a cell base of the galvanic cells (102) of the battery module (100) being coolable.
  • Battery module (100) according to embodiment 43 characterized in that a receiving body (132) of a respective connecting body (130) comprises two side wall elements (142) and a bottom wall element (140), the side wall elements (142) of the receiving body (132) each include one or more receiving areas (232), in each of which a galvanic cell (102) of the battery module (100) is received.
  • Battery module (100) according to embodiment 44 characterized in that the side wall elements (142) of the receiving body (132) comprise one or more sealing elements (240) for sealing between a respective side wall element (142) and a galvanic cell (102).
  • Battery module (100) according to embodiment 45 characterized in that one or more sealing elements (240) are arranged on the edges of the side wall elements (142).
  • Battery module (100) according to one of the embodiments 1 to 46, characterized in that the battery module (100) comprises one or more, for example two, clamping sections (242) and / or clamping sections (242), the battery module (100) by means of the clamping sections (242) and / or clamping sections (242) preferably can be connected to a housing (208) of a battery device (101), in particular can be fixed to the housing (208) in a clamping and / or tensioning manner.
  • Battery module (100) according to embodiment 47 characterized in that the one or more connecting bodies (130) of the battery module (100), in particular a respective receiving body (132) of the one or more connecting bodies (130), each have one or more, for example two clamping sections (242) and / or clamping sections (242).
  • Battery module (100) according to embodiment 47 or 48 characterized in that the clamping sections (242) and / or clamping sections (242) are designed as grooves, a longitudinal direction of the grooves in particular being arranged essentially parallel to the stacking direction of the battery module (100) is.
  • Battery device (101) which comprises: one or more battery modules (100) according to one of the embodiments 1 to 49.Battery device (101) according to embodiment 50, characterized in that the battery device (101) comprises a housing (208), which comprises a cover element (206), the cover element (206) being fixed or fixable on the housing (208) indirectly via the one or more battery modules (100), in particular by means of one or more connecting elements (204) for detachable and / or tool-free fixing of the cover element (206) on the one or more battery modules (100).
  • Battery device (101) according to embodiment 50 or 51, characterized in that the battery device (101) comprises a temperature control device (220) which has one or more temperature control elements (222), wherein one or more temperature control elements (222) of the temperature control device (220) are preferably arranged between two adjacent battery modules (100) of the battery device (101) and / or with one or more temperature control elements (222) preferably on one of the cell poles (178) of the galvanic cells (102) of the one or more battery modules (100) facing away from the side of a respective battery module (100).
  • a temperature control device (220) which has one or more temperature control elements (222), wherein one or more temperature control elements (222) of the temperature control device (220) are preferably arranged between two adjacent battery modules (100) of the battery device (101) and / or with one or more temperature control elements (222) preferably on one of the cell poles (178) of the galvanic cells (102) of the one or more battery modules (100) facing away from the side of a respective battery module (100).
  • Battery device (101) according to one of the embodiments 50 to 52, characterized in that the battery device (101) comprises a plurality of undercut elements (218), with adjacent battery modules (100) in a stacking direction being connected or connectable to one another by means of one or more undercut elements (218) are.
  • Battery device (101) according to one of the embodiments 50 to 54, characterized in that the battery device (101) comprises a housing (208) and several clamping elements and / or clamping elements, by means of which one or more battery modules (100) with a housing (208) the battery device (101) can be connected.
  • Battery device (101) according to embodiment 55 characterized in that the clamping elements and / or clamping elements can be screwed to a housing base of the housing (208), in particular by passing a screw element (246) through the clamping elements and / or clamping elements and then screwing in of the screw element (246) in the housing base of the housing (208) of the battery device (101).
  • Battery device (101) according to embodiment 55 or 56 characterized in that clamping sections (242) and / or clamping sections (242) of a respective connecting body (130) of the battery module
  • Battery device (101) are clamped and / or clamped in a direction running perpendicular to the stacking direction and parallel to a long secondary side (118b) of the galvanic cells (102).
  • Battery device (101) according to one of the embodiments 55 to 57, characterized in that the clamping elements and / or clamping elements of the battery device (101) are essentially complementary to clamping sections (242) and / or clamping sections (242) of the connecting body (130) are.
  • Battery device (101) according to one of the embodiments 55 to 58 characterized in that the clamping elements and / or clamping elements are essentially complementary to clamping sections (242) and / or clamping sections (242) of the connecting body (130).
  • Battery device (101) according to one of the embodiments 55 to 59 characterized in that the clamping elements and / or clamping elements can at least partially be introduced into clamping sections (242) and / or clamping sections (242) of the connecting body (130).
  • Battery device (101) according to one of the embodiments 55 to 60 characterized in that the clamping elements and / or clamping elements of the battery device (101) are clamping strips or slot nuts.
  • Battery device (101) according to embodiment 61 characterized in that a plurality of battery modules (100) can be connected simultaneously to the housing (208) of the battery device (101) by means of a clamping strip.
  • Battery device (101) according to embodiment 61 or 62 characterized in that individual battery modules (100) can be connected to a housing (208) of a battery device (101) by means of one or more slot nuts.
  • Battery device (101) according to one of the embodiments 55 to 63 characterized in that the clamping elements and / or clamping elements are connected to the housing (208) and / or to a threaded section fixed on the housing (208) by means of one or more screw elements (246) are connectable, in particular by screwing.
  • Battery device (101) according to one of the embodiments 50 to 64 characterized in that adjacent battery modules (100) perpendicular to a stacking direction of the battery modules (100) are connected to one another by means of a common connecting body (130).
  • Method according to embodiment 66 characterized in that the connecting material (146) hardens and / or crosslinks after it has been introduced into the receptacle (148) of the first casting mold (164), in particular the first receptacle body (132).
  • Method according to embodiment 66 or 67 characterized in that the galvanic cells (102) in the receptacle (148) of the first casting mold (164) and / or the first receptacle body (132) are essentially parallel to one another and / or at a distance from one another to be ordered.
  • the galvanic cells (102) are arranged in a plurality of receptacles (148) of a plurality of first casting molds (164), in particular a plurality of first receptacle bodies (132), the flowable and / or castable connecting material (146) in the plurality of receptacles (148) of the plurality of first casting molds (164), in particular the plurality of first receiving bodies (132) is introduced.
  • Method according to one of the embodiments 66 to 70 characterized in that the galvanic cells (102) after curing and / or crosslinking of the connecting material (146) in the receptacle (148) of the first casting mold (164), in particular the first receptacle receiving body (132), are arranged in a receptacle (148) of a second casting mold (164), in particular a second receiving body (132), and then an in particular flowable and / or pourable connecting material (146) in the receptacle (148) of the second casting mold (164), in particular of the second receiving body (132), is introduced.
  • Method according to embodiment 71 characterized in that the connecting material (146) hardens and / or crosslinks after it has been introduced into the receptacle (148) of the second casting mold (164), in particular the second receptacle body (132).
  • Method according to embodiment 71 or 72 characterized in that the galvanic cells (102) when the connecting material (146) is introduced into the receptacle (148) of the second casting mold (164), in particular the second receptacle body (132), on a second Side of the galvanic cells (102) are cast.
  • Method according to one of the embodiments 66 to 74 characterized in that, in order to cast the galvanic cells (102) on a first side and / or on a second side of the galvanic cells (102), the connecting material (146) is first inserted into a receptacle (148) a casting mold (164), in particular a receiving body (132) is introduced, in particular poured in, the galvanic cells (102) then preferably being introduced into the still flowable and / or pourable connecting material (146), in particular into the still flowable and / or castable connecting material (146) are pressed in.
  • Method according to one of the embodiments 66 to 75 characterized in that the galvanic cells (102), before the connecting material (146) is introduced into a receptacle (148) of the first casting mold (164), in particular of the first receptacle body (132), and / or before the connecting material (146) is introduced into a receptacle (148) of a second casting mold (164), in particular of a second receptacle body (132).
  • Method according to one of the embodiments 66 to 76 characterized in that the connecting material (146) before it is introduced and / or after it has been introduced into a receptacle (148) of the first casting mold (164), in particular of the first receptacle body (132), and / or before it is introduced and / or after the same is introduced into a receptacle (148) of the second casting mold (164), in particular a second receptacle body (132), in particular by supplying heat.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

L'invention concerne des modules de batterie, des dispositifs de batterie et des procédés de fabrication d'un module de batterie.
EP21715518.3A 2020-03-25 2021-03-23 Module de batterie, dispositifs de batterie et procédé de fabrication d'un module de batterie Pending EP4128425A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020203878.3A DE102020203878A1 (de) 2020-03-25 2020-03-25 Batteriemodule, Batterievorrichtungen und Verfahren zum Herstellen eines Batteriemoduls
PCT/EP2021/057487 WO2021191234A1 (fr) 2020-03-25 2021-03-23 Module de batterie, dispositifs de batterie et procédé de fabrication d'un module de batterie

Publications (1)

Publication Number Publication Date
EP4128425A1 true EP4128425A1 (fr) 2023-02-08

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Application Number Title Priority Date Filing Date
EP21715518.3A Pending EP4128425A1 (fr) 2020-03-25 2021-03-23 Module de batterie, dispositifs de batterie et procédé de fabrication d'un module de batterie

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US (1) US20230015509A1 (fr)
EP (1) EP4128425A1 (fr)
DE (1) DE102020203878A1 (fr)
WO (1) WO2021191234A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022103865A1 (de) 2022-02-18 2023-08-24 Bayerische Motoren Werke Aktiengesellschaft Elektrischer Energiespeicher, Kraftfahrzeug sowie Verfahren zum Herstellen eines Energiespeichers

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009053506A1 (de) * 2009-11-16 2011-05-19 Li-Tec Battery Gmbh Batteriegehäuse zur Aufnahme von elektrochemischen Energiespeichereinrichtungen
DE102012222689A1 (de) * 2012-12-11 2014-06-12 Robert Bosch Gmbh Energiespeicher mit Zellaufnahme
DE102013016101B4 (de) 2013-09-27 2015-05-21 Audi Ag Verfahren zum Herstellen eines Batteriemoduls und Batteriemodul
DE102015206182A1 (de) 2014-05-06 2015-11-12 Robert Bosch Gmbh Isolieren von aneinanderliegenden Lithium-Ionen-Akkumulatoren durch komplettes Umspritzen/Ausgießen der Behälter in einer Vorrichtung
DE102014211032A1 (de) 2014-06-10 2015-12-17 Robert Bosch Gmbh Deckel mit vergossenen Lithium-Zellpads
DE102015219280A1 (de) 2015-10-06 2017-04-06 Robert Bosch Gmbh Batteriesystem mit Vergussmasse

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US20230015509A1 (en) 2023-01-19
DE102020203878A1 (de) 2021-09-30
WO2021191234A1 (fr) 2021-09-30

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