DE102013209691A1 - Electrochemical cell and method of making an electrochemical cell - Google Patents

Abstract

In order to provide an electrochemical cell which has a simple structure and enables reliable electrical contacting, it is proposed that the electrochemical cell comprises an electrochemical element for receiving, storing and / or supplying electrical energy and a housing for accommodating the electrochemical element, wherein the housing comprises at least one electrically conductive housing component and a connection device for the electrically insulating connection of the at least one housing component with at least one further housing component of the housing.

Description

The present invention relates to an electrochemical cell, for example an accumulator device.

The present invention has for its object to provide an electrochemical cell, which has a simple structure and allows reliable electrical contact.

This object is achieved by an electrochemical cell, which comprises an electrochemical element for receiving, storing and / or providing electrical energy and a housing for receiving the electrochemical element, wherein the housing at least one electrically conductive housing member and a connecting device for electrically insulating connection the at least one housing component comprises at least one further housing component of the housing.

Because the housing of the electrochemical cell according to the invention comprises at least one electrically conductive housing component, a cell terminal of the electrochemical cell can be formed by the electrically conductive housing component. An additional cell terminal, in particular an additional component, by means of which the cell terminal is formed, is then preferably dispensable.

It may be favorable if a connection of the electrochemical element is fixed directly to the electrically conductive housing component.

In particular, it may be provided that a connection of the electrochemical element by means of an electrically conductive connection, in particular by means of a cohesive and / or positive connection, is fixed directly to the electrically conductive housing component.

A connection may be formed, for example, in one or more parts.

The connection of the electrochemical element and thus also the electrically conductive housing component preferably form a positive pole of the electrochemical cell.

Alternatively, however, it can also be provided that the connection of the electrochemical element and the electrically conductive housing component form a negative pole of the electrochemical cell.

It can be provided that both terminals of the electrochemical element are fixed directly to mutually different electrically conductive housing components.

In particular, it can be provided that both terminals of the electrochemical element are each fixed by means of an electrically conductive connection, in particular materially, directly to each other different electrically conductive housing components.

The two terminals of the electrochemical element and the at least two mutually different electrically conductive housing components then form the negative pole and the positive pole of the electrochemical cell.

It can be advantageous if at least one electrically conductive housing component forms a cell terminal of the electrochemical cell. An additional component, by means of which the cell terminal is formed, is then preferably dispensable.

It can be provided that an edge region of at least one electrically conductive housing component, which adjoins another housing component in the mounted state of the electrochemical cell, is provided with at least one connecting section and / or connecting element of the connecting device.

For example, it may be provided that the connecting portion and / or the connecting element of the connecting device is a coating in the edge region.

Alternatively or additionally, it can be provided that the at least one connecting section and / or the at least one connecting element of the connecting device is sprayed or cast onto the edge region.

In particular, the connecting portion and / or the connecting element is designed to be electrically insulating, for example formed from a plastic material.

In an embodiment of the invention, it can be provided that a peripheral edge region of at least one electrically conductive housing component, which adjoins another housing component in the mounted state of the electrochemical cell, is provided with at least one completely circumferential connecting portion and / or connecting element of the connecting device is.

The at least one electrically conductive housing component preferably lies with the completely circumferential connecting portion and / or Connecting element in the assembled state of the electrochemical cell to the other housing component.

It may be favorable if the at least one connecting section and / or the at least one connecting element comprises an electrically insulating material or is formed from an electrically insulating material.

In particular, it can be provided that the at least one connecting portion and / or the at least one connecting element comprises a plastic material or is formed from a plastic material.

Two or more electrically conductive housing components are preferably positively and / or materially connected to at least one connecting portion or connecting element of the connecting device. Preferably, the electrically conductive housing components are connected to each other by positive and / or material connection of the connecting portions or connecting elements.

It can be provided that two or more electrically conductive housing components are connected to one another by means of an electrically insulating adhesive connection, in particular a material fit.

The connecting device is preferably designed as a frame device for receiving and connecting two or more electrically conductive housing components.

It may be favorable if the frame device is formed from an electrically insulating material, in particular from a plastic material. Preferably, the frame device is designed as a plastic injection-molded component.

It can be provided that one, two or more housing components are connected to the frame device by means of an adhesive connection.

In one embodiment of the invention, it is provided that two or more electrically conductive housing components are interconnected by means of a latching device and / or a clip device.

It can be provided that in a latching area or clip area, in which the two or more electrically conductive housing components are interconnected, at least one (additional) sealing element for sealing the housing, in particular the interior of the housing, is arranged.

Two or more electrically conductive housing components are preferably connected to one another by means of at least one connecting element of the connecting device, wherein the at least one connecting element comprises a central electrically insulating section and two electrically conductive sections which are separated from one another by means of the central electrically insulating section. The electrically conductive housing components are preferably fixed in a form-fitting and / or material-locking manner to one of the electrically conductive sections in each case.

For example, it can be provided that the electrically conductive housing components are welded to the electrically conductive sections of the at least one connecting element.

In particular, it can be provided that at least one electrically conductive housing component and the associated electrically conductive portion of the connecting element, on which the electrically conductive housing component can be fixed or fixed, are formed from the same material.

It can be advantageous if a connection region, in which the at least one electrically conductive housing component is connected to at least one further housing component, is covered by means of a covering device.

The cover device is preferably formed from a material which contracts under the action of heat.

For example, it can be provided that the cover device is designed as a shrink tube.

The cover device is preferably formed of a thermoplastic material which has been initially cross-linked and then expanded. By heating the material, the material may then preferably contract.

The covering device may for example be a component of a connecting element of the connecting device.

Alternatively, however, it may also be provided that the covering device is provided in addition to at least one connecting element of the connecting device.

In one embodiment of the invention, it is provided that an electrically conductive housing component, two electrically conductive housing components or more than two electrically conductive housing components are formed shell-shaped and in the assembled state of the electrochemical cell Interior of the electrochemical cell each surrounded at least two-sided, three-sided, four-sided or five-sided.

The electrochemical cell preferably comprises two electrically conductive housing components, which together completely surround a substantially cuboidal interior of the housing.

Preferably, the two housing components are interconnected along a connecting plane, wherein the connecting plane is perpendicular to two or more walls of the housing.

Furthermore, it can be provided that the two housing components are connected to each other along a connecting plane, wherein the connecting plane extends obliquely to two or more walls of the housing.

In particular, it can be provided that the two housing components are connected together along a connecting plane, wherein the connecting plane extends obliquely to all walls of the housing.

At least one connecting element of the connecting device is preferably formed as a plastic component. In particular, a connecting element designed as a frame element can be designed as a plastic component.

One, two or more electrically conductive housing components are preferably sheet metal forming products.

In particular, it can be provided that one, two or more electrically conductive housing components are or are produced by rolling, swaging, deep-drawing and / or bending.

By means of two electrically conductive housing components lying at different potential cell terminals are preferably formed.

In particular, it can be provided that by means of a first electrically conductive housing component, a positive cell terminal located at a positive potential and by means of a further electrically conductive housing component, a negative cell terminal lying at a negative potential are formed.

In one embodiment of the invention, it is provided that cell terminals are formed by means of two electrically conductive housing components, which are arranged on opposite sides of the electrochemical cell.

The housing is preferably formed fluid-tight in the mounted state.

Fluids in this sense are in particular liquids (liquids), gases, aerosols, etc.

At least one housing component, in particular at least one electrically conductive housing component, is preferably formed from a clad material or comprises a clad material. For example, it can be provided that at least one electrically conductive housing component comprises aluminum and copper, wherein the one material is plated with the other material. In this way, in particular an optimal contacting of the terminal of the electrochemical element on an inner side of the housing and at the same time a uniform material design on the outside of the housing can be made possible.

The at least one electrically conductive housing component is preferably a bearing housing component.

A load-bearing housing component is in particular a housing component, which can receive and transmit forces occurring in the state of use of the electrochemical cell.

A supporting housing component serves in particular for the protection of the electrochemical element and / or forms an outer shell for the electrochemical element.

Preferably, two or more, in particular all, electrically conductive housing components bearing housing components.

It may be favorable if the housing comprises two electrically conductive housing components, which are each connected to one terminal of the electrochemical cell, wherein the electrically conductive housing components are formed and interconnected such that one, two or more sides of the housing each partially through the an electrically conductive housing component and partially formed by the other electrically conductive housing component.

In particular, it can be provided that all sides of the housing are each partially formed by the one electrically conductive housing component and partially by the other electrically conductive housing component.

Characterized in that preferably one, two or more sides of the housing are formed by two electrically conductive housing components connected to the terminals of the electrochemical cell, may preferably at one, two or more Pages, in particular on all sides, both potentials of the electrochemical cell are tapped and / or created.

In one embodiment of the invention it can be provided that at least one electrically conductive housing component comprises a receiving opening, in particular a passage opening, in which a cell terminal can be arranged or arranged, which is electrically isolated from the electrically conductive housing component.

Preferably, a cell terminal is formed by the at least one electrically conductive housing component in which the receiving opening is arranged. The further cell terminal is preferably formed by the cell terminal arranged in the receiving opening.

Preferably, a connection conductor is provided between a terminal of the electrochemical element and the cell terminal.

However, it may also be favorable if the connecting conductor forms the cell terminal.

The connecting conductor and the cell terminal are preferably formed in one piece.

A connecting conductor, which forms a cell terminal, differs from an electrically conductive housing component, which forms a cell terminal, in particular in that the connecting conductor is at least partially disposed in an interior of the housing and / or preferably has no supporting function, in particular during operation of the electrochemical Cell does not absorb and / or transmit forces.

The present invention further relates to a method for producing an electrochemical cell.

The invention is in this respect the task of providing a method by which an electrochemical cell, which allows a reliable electrical contact, is easy to produce.

• – Bereitstellen eines elektrochemischen Elements zur Aufnahme, Speicherung und/oder Bereitstellung von elektrischer Energie;
• – Bereitstellen mindestens eines elektrisch leitfähigen Gehäusebauteils eines Gehäuses zur Aufnahme des elektrochemischen Elements;
• – Verbinden des mindestens einen elektrisch leitfähigen Gehäusebauteils mit mindestens einem weiteren Gehäusebauteil des Gehäuses mittels einer elektrisch isolierenden Verbindung.

This object is achieved according to the invention by a method for producing an electrochemical cell, which comprises:

• - Providing an electrochemical element for receiving, storing and / or providing electrical energy;
• - Providing at least one electrically conductive housing component of a housing for receiving the electrochemical element;
• - Connecting the at least one electrically conductive housing component with at least one further housing component of the housing by means of an electrically insulating connection.

Due to the fact that, in the method according to the invention, at least one electrically conductive housing component is connected in an electrically insulating manner to at least one further housing component of the housing, the electrochemical cell can have a simple construction and enable reliable electrical contacting.

The method according to the invention for producing an electrochemical cell preferably has one or more of the features and / or advantages described in connection with the electrochemical cell according to the invention.

It may be favorable if at least one connection of the electrochemical element is fixed directly to at least one electrically conductive housing component.

In particular, it can be provided that both terminals of the electrochemical element are fixed directly to at least one electrically conductive housing component.

In particular, it can be provided that at least one terminal of the electrochemical element, preferably both terminals of the electrochemical element, is welded, soldered and / or clamped to the at least one electrically conductive housing component.

At least one electrically conductive housing component is preferably produced by forming a metallic sheet, in particular by rolling, swaging, deep drawing and / or bending forming.

It may be favorable if at least one housing component comprises one or more passage openings and / or one or more receiving slots, into which a connection of the electrochemical element or one or more connection sections of a connection of the electrochemical element are led.

A connection or connection section guided into the passage opening and / or into the receiving slot is preferably connected to the housing component, in particular in a form-fitting and / or material-locking manner, for example by means of a welding process.

The connection between the at least one housing component and the connection or connection section is preferably a fluid-tight Connection, so that in particular the one or more passage openings and / or the one or more receiving slots of the at least one housing component are closed fluid-tight.

In one embodiment of the invention can be provided that two or more housing components are pivotally connected to each other.

In particular, it can be provided that two or more housing components are pivotally connected to each other by means of the electrochemical element.

The two or more housing components are preferably brought by folding, bending and / or flaps from a first relative position of the housing components relative to each other in a second relative position.

In particular, the two or more housing components are brought from a connection position, in which the connection is made with the electrochemical element, in a closed position in which an interior of the housing is enclosed by the housing components. In the closed position, preferably only a fluid-tight connection of the housing components to each other must be carried out without further relative movement of the housing components relative to one another in order to close the housing in a fluid-tight manner.

In one embodiment of the invention it is provided that at least one housing component comprises one or more projections, which extend in the assembled state of the electrochemical cell in an interior of the housing, wherein at least one terminal of the electrochemical element or one or more terminal portions of a terminal of the electrochemical element be fixed to the one or more protrusions.

In particular, it can be provided that at least one connection of the electrochemical element or one or more connection sections of a connection of the electrochemical element to the one or more projections are welded to the at least one housing component.

It may be favorable if at least one housing component comprises one or more passage openings in a wall section, on the inside of which, in the assembled state of the electrochemical cell, a connection of the electrochemical element is present or adjacent. The connection and the housing component are preferably welded together through the one or more passage openings, in particular while supplying material with simultaneous filling and / or sealing of the one or more passage openings.

In one embodiment of the invention can be provided that the electrochemical element is arranged in the housing, that the housing has an access opening or is provided with an access opening, that a fastening device is guided through the access opening into an interior of the housing and that by means of Fastening device, a connection or both terminals of the electrochemical element with one or more housing components, in particular cohesively, are connected.

The fastening device comprises in particular an endoscope device, so that the interior of the housing is accessible in particular already through a very small access opening by means of the fastening device.

By means of the fastening device, the connection or both connections of the electrochemical element are preferably welded to one or more housing components.

After mounting the housing components and the electrochemical element, the housing is preferably filled with electrolyte through the access opening.

The access opening is preferably closed fluid-tight. In particular, it can be provided in this case that the access opening is closed in a fluid-tight manner by means of a sealing device for overpressure protection.

A sealing device for overpressure protection is in particular a sealing device which selectively fails upon reaching a predetermined maximum pressure, in particular to avoid unwanted damage to other components of the electrochemical element by an excessive pressure within the housing.

Bonded connections are in particular soldered connections, welded connections, adhesive connections and / or connections by vulcanization.

A connection by welding can be produced in particular by mirror welding, ultrasonic welding, etc.

The electrochemical element of the electrochemical cell is in particular a cell coil.

The electrochemical cell according to the invention is particularly suitable for use in an electrochemical device comprising a plurality of electrochemical cells.

The electrochemical cells are connected to each other for example by means of a power line system.

By means of a signal line system, the electrochemical cells are preferably connected to a control device.

A connection of the electrochemical element is preferably a tab.

Further preferred features and / or advantages of the invention are the subject of the following description and the drawings of exemplary embodiments.

In the drawings show:

1 a schematic perspective view of a first embodiment of an electrochemical cell, in which a two-part housing is provided, wherein a housing of an interior of the housing five-sided surrounding housing component and a plate-shaped further housing component are provided;

2 a schematic perspective view of a second embodiment of an electrochemical cell, in which a four-part housing is provided, wherein two substantially L-shaped housing components and two plate-shaped further housing components are provided;

3 a schematic perspective view of a third embodiment of an electrochemical cell, in which a two-part housing is provided, wherein a housing of an interior of the housing on four sides surrounding housing component and a substantially L-shaped further housing component are provided;

4 a further schematic perspective view of the third embodiment of an electrochemical cell 3 ;

5 a schematic perspective view of a fourth embodiment of an electrochemical cell, in which a two-part housing is provided, wherein two an interior of the housing are each provided on three sides surrounding housing components;

6 a schematic perspective view of a fifth embodiment of an electrochemical cell, in which a at least approximately along a longitudinal center plane in two housing components divided housing is provided;

7 a schematic perspective view of a sixth embodiment of an electrochemical cell, in which a two-part housing is provided, wherein two an inner space of the housing are each provided on three sides surrounding substantially C-shaped housing components;

8th a schematic perspective view of a seventh embodiment of an electrochemical cell, in which a two-part housing is provided, wherein two an interior of the housing each three-sided surrounding housing components are provided and wherein terminals of an electrochemical element of the electrochemical cell are disposed on end walls of the housing;

9 a schematic perspective view of an eighth embodiment of an electrochemical cell, in which a two-part housing is provided, wherein two an interior of the housing each at least partially surrounding housing components are provided and wherein the end walls of the housing asymmetrically divided and partially through the one housing component and partially through the other housing component are formed;

10 a schematic perspective view of a ninth embodiment of an electrochemical cell, in which a two-part housing is provided, wherein two an interior of the housing each at least partially four-sided surrounding housing components are provided and wherein the end walls of the housing are divided along a diagonal connecting plane;

11 a schematic perspective view of a tenth embodiment of an electrochemical cell, in which a two-part housing is provided, wherein two an interior of the housing each at least partially five-sided surrounding housing components are provided and wherein the housing is divided into two parts along a transverse median plane in the two housing components;

12 a schematic perspective exploded view of an eleventh embodiment of an electrochemical cell, wherein a connection of the electrochemical element of the electrochemical cell into a receiving slot of a housing component is inserted and welded to the housing component;

13 a schematic side view of the electrochemical cell 12 facing a main wall of the electrochemical cell;

14 a schematic side view of the electrochemical cell 12 , facing an end wall of the electrochemical cell;

15 a schematic section through the electrochemical cell 12 along the line 15-15 in 13 ;

16 a schematic plan view of an upper side wall of the electrochemical cell 12 ;

17 an enlarged view of the area XVII in 15 ;

18 a schematic perspective view of a twelfth embodiment of an electrochemical cell, in which a two-part housing is provided, wherein a cell terminal of the electrochemical cell is formed by means of an electrically conductive housing component and wherein a further cell terminal of the electrochemical cell by means disposed in a passage opening of the electrically conductive housing component electrically isolated further element is formed;

19 a schematic side view of the electrochemical cell 18 facing a main wall of the electrochemical cell;

20 a schematic side view of the electrochemical cell 18 , facing an end wall of the electrochemical cell;

21 a schematic section through the electrochemical cell 18 along the line 21-21 in 19 ;

22 a schematic plan view of an upper side wall of the electrochemical cell 18 ;

23 an enlarged view of the area XXIII in 21 ;

24 a schematic perspective exploded view of a 13th embodiment of an electrochemical cell in which a stamped into a housing component plateau is provided, to which a terminal of the electrochemical element of the electrochemical cell is weldable;

25 a schematic side view of the electrochemical cell 24 facing a main wall of the electrochemical cell;

26 a schematic side view of the electrochemical cell 24 , facing an end wall of the electrochemical cell;

27 a schematic section through the electrochemical cell 24 along the line 27-27 in 25 ;

28 a schematic plan view of an upper side wall of the electrochemical cell 24 ;

29 an enlarged view of the area XXIX in 27 ;

30 a schematic perspective view of a 14th embodiment of an electrochemical cell, in which connecting portions of the electrochemical element passed through passage openings in the housing components and welded to the housing component;

31 a schematic perspective view of a 15th embodiment of an electrochemical cell, wherein a compound according to the in 30 14 illustrated embodiment and a housing according to the in 6 illustrated fifth embodiment are provided;

32 a schematic perspective view of a 16th embodiment of an electrochemical cell, wherein a compound according to the in 30 14 illustrated embodiment and a housing according to the in 9 illustrated eighth embodiment are provided;

33 a schematic perspective view of a 17th embodiment of an electrochemical cell, wherein a compound according to the in 30 14 illustrated embodiment and a housing according to the in 11 illustrated tenth embodiment are provided;

34 a schematic perspective view of an 18th embodiment of an electrochemical cell, wherein the terminals of the electrochemical element of the electrochemical cell adjacent to provided with passage openings wall portions of the housing components and are connectable through the passage openings with the housing components;

35 a schematic perspective view of a 19th embodiment of an electrochemical cell, wherein a compound according to the in 34 18 illustrated embodiment and a housing according to the in 6 illustrated fifth embodiment are provided;

36 a schematic perspective view of a 20th embodiment of an electrochemical cell, wherein a compound according to the in 34 18 illustrated embodiment and a housing according to the in 9 illustrated eighth embodiment are provided;

37 a schematic perspective view of a 21st embodiment of an electrochemical cell, wherein a compound according to the in 34 18 illustrated embodiment and a housing according to the in 11 illustrated tenth embodiment are provided;

38 a schematic sectional view of a 22nd embodiment of an electrochemical cell, wherein two are provided on electrically conductive housing components molded plastic connecting elements for electrically insulating connection of the two housing components;

39 a schematic sectional view of a 23rd embodiment of an electrochemical cell, in which a locking device is provided for connecting two housing components;

40 a schematic sectional view of a 24th embodiment of an electrochemical cell, wherein two housing components are connected to each other by means of an electrically insulating bond;

41 a schematic sectional view of a 25th embodiment of an electrochemical cell, in which a connecting element for connecting two housing components is provided, which comprises an electrically insulating central portion and two electrically conductive portions;

42 a schematic sectional view of a 26th embodiment of an electrochemical cell, in which a cover device is provided for covering a connection between two electrically conductive housing components; and

43 a schematic sectional view of a 27th embodiment of an electrochemical cell, in which a frame device is provided, on which and on which at least two housing components of the housing of the electrochemical cell can be fixed.

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

An in 1 illustrated embodiment of a whole with 100 In particular, the designated electrochemical cell is one of several electrochemical cells 100 an electrochemical device 102 , For example, an accumulator device.

By means of the electrochemical cell 100 and thus also by means of the electrochemical device 102 Preferably, electrical energy can be recorded, stored and / or provided.

The electrochemical cell 100 is in particular a lithium-ion cell.

The electrochemical cell 100 comprises an electrochemical element 104 which is a basic body 106 and two connections 108 includes.

The main body 106 of the electrochemical element 104 is the actual electrochemically active constituent of the electrochemical element 104 and formed, for example, as a cell coil.

The connections 108 form the poles of the electrochemical element 104 and are thus connection points for tapping or applying a voltage.

The connections 108 are on opposite sides of the body 106 from the electrochemical element 104 led out. The connections 108 are formed for example as tabs.

The electrochemical element 104 is in the assembled state of the electrochemical cell 100 in a housing 110 the electrochemical cell 100 arranged.

The housing 110 is in particular substantially cuboid and thus comprises six walls 112 namely, two main walls arranged opposite one another and aligned parallel to one another 114 , two oppositely disposed and parallel side walls 116 and two oppositely disposed and aligned parallel end walls 118 ,

The main walls 114 preferably have a larger area than the side walls 116 , which preferably have a larger area than the end walls 118 ,

At the in 1 illustrated first embodiment of the electrochemical cell 100 are two housing components 120 of the housing 110 intended.

A first housing component 120 is at least approximately as a shell 122 formed and includes the two side walls 116 , the two end walls 118 and a main wall 114 ,

A second housing component 120 is at least approximately as a plate 124 trained and includes the other main wall 114 ,

At the in 1 illustrated first embodiment of the electrochemical cell 100 thus forms the plate 124 trained housing component 120 a lid 126 to close the bowl 122 trained further housing component 120 ,

In particular, the housing components 120 connectable with each other so that an interior 128 of the housing 110 closed fluid-tight.

For connecting the housing components 120 together is a connection device 130 provided which, for example, at least one connecting element 132 includes.

The at least one connecting element 132 For example, a plastic coating of the housing components 120 in a border area 134 the housing components 120 be, in which the housing components 120 in the assembled state of the housing 110 adjoin one another.

The border area 134 is in particular a peripheral edge region 134 ,

Alternatively or in addition to a connecting element 132 the connection device 130 can also be a connection section 136 the connection device 130 , in particular at least one housing component 120 , be provided. A connecting section 136 is preferably as a border area 134 formed by a border area 134 formed or at a border area 134 arranged.

Both housing components 120 are preferably formed of an electrically conductive material, in particular of a metallic material.

In particular, it can be provided that a housing component 120 is formed of copper or copper clad with aluminum.

The additional housing component 120 is preferably formed of aluminum.

At the in 1 illustrated first embodiment of the electrochemical cell 100 is preferably the one shell 122 forming housing component 120 made of aluminum.

That the plate 124 forming housing component 120 is formed in particular of aluminum plated with copper.

Of course, copper alloys and aluminum alloys are also covered by the aforementioned materials copper and aluminum.

By means of the connecting device 130 are the housing components 120 electrically insulating connected to each other, so that in particular no electrically conductive connection between the housing components 120 consists.

At the in 1 illustrated first embodiment of the electrochemical cell 100 is provided that the two housing components 120 each directly with a connection 108 of the electrochemical element 104 are connected.

In the state of use of the electrochemical cell 100 Thus, a voltage on each of the housing components 120 directly applied or created.

The two housing components 120 thus form two cell terminals 138 the electrochemical cell 100 ,

As 1 it can be seen, for example, provided that a connection 108 , which is formed substantially tab-shaped, of the electrochemical element 104 up to the as a plate 124 trained housing component 120 is guided. The connection 108 is for example with the the plate 124 forming housing component 120 welded.

The further connection 108 of the electrochemical element 104 is on an end wall 118 of the shell 122 forming housing component 120 arranged, in particular with the end wall 118 welded.

One of the end walls 118 is this with a head start 140 provided, which in the interior 128 of the housing 110 protrudes and in particular a plateau 142 for simple and reliable installation of the connection 108 on the front wall 118 forms.

In the 1 illustrated first embodiment of the electrochemical cell 100 is assembled as follows:
First, the electrochemical element 104 in that the shell 122 forming housing component 120 inserted.

A connection 108 of the electrochemical element 104 will be on the plateau 142 the one end wall 118 of the housing 110 arranged and with the end wall 118 welded.

The further connection 108 of the electrochemical element 104 gets out of the shell 122 forming housing component 120 led out and with which the plate 124 forming housing component 120 welded.

This connection 108 is preferably flexible, so that the housing components 120 still relatively movable, in particular hinged, are.

For closing the housing 110 thus becomes the plate 124 forming housing component 120 as a lid 126 on which the shell 122 forming housing component 120 arranged and connected to the same.

In particular, the housing components 120 for this purpose by means of the connecting device 130 in the peripheral areas 134 electrically insulated with each other.

The housing 110 the electrochemical cell 100 is then preferably closed fluid-tight.

For operation of the electrochemical cell 100 can now contact the cell terminals 138 forming housing components 120 be applied, for example, a voltage from the electrochemical element 104 tap off.

Several such electrochemical cells 100 may in particular be connected in parallel or in series and in an electrochemical device 102 be used.

An in 2 illustrated second embodiment of an electrochemical cell 100 is different from the one in 1 illustrated first embodiment essentially in that the housing 110 from four housing components 120 is composed.

Two the cell terminals 138 forming housing components 120 are substantially L-shaped and each comprise a main wall 114 and an end wall 118 ,

The two other, separate housing components 120 include the side walls 116 ,

Also at the in 2 illustrated second embodiment of the electrochemical cell 100 is a connection device 130 for connecting the housing components 120 intended. Due to the larger number of housing components 120 However, here are several fasteners 132 and / or connecting sections 136 provided, in particular four connecting elements 132 or connecting sections 136 in the four border areas 134 the housing components 120 ,

As 2 is apparent in the second embodiment of the electrochemical cell 100 provided that both connections 108 of the electrochemical element 104 on opposite main walls 114 are arranged.

The end walls 118 Both are flat walls 112 educated. A lead 140 is not scheduled.

For mounting the housing 110 become the two housing components 120 which the cell terminals 138 form, each with a connection 108 of the electrochemical element 104 welded. During welding, the components of the electrochemical cell are in particular in the in 2 arranged connecting position shown.

After welding, they become the cell terminals 138 forming housing components 120 collapsed and finally with the other housing components 120 which the side walls 116 form, as well as interconnected.

Incidentally, the in 2 illustrated second embodiment of the electrochemical cell 100 in terms of structure and function with the in 1 illustrated first embodiment, so that reference is made to the above description in this respect.

One in the 3 and 4 illustrated third embodiment of an electrochemical cell 100 is different from the one in 2 illustrated second embodiment essentially in that both side walls 116 Part of a cell terminal 138 forming housing component 120 are.

Thus, in the in the 3 and 4 illustrated third embodiment of the electrochemical cell 100 provided that a housing component 120 a main wall 114 , two side walls 116 and an end wall 118 includes.

The additional housing component 120 includes a main wall 114 and an end wall 118 ,

Incidentally, the right in the 3 and 4 illustrated third embodiment of the electrochemical cell 100 in terms of structure and function with the in 2 illustrated second embodiment, so that reference is made to the above description in this respect.

An in 5 illustrated fourth embodiment of an electrochemical cell 100 is different from the one in 2 illustrated second embodiment substantially in that each one side wall 116 Part of a cell terminal 138 forming housing component 120 is.

Thus, in the case of in 5 illustrated fourth embodiment of the electrochemical cell 100 each of the two housing components 120 a main wall 114 , a side wall 116 and an end wall 118 ,

Incidentally, the in 5 illustrated fourth embodiment of the electrochemical cell 100 in terms of structure and function with the in 2 illustrated second embodiment, so that reference is made to the above description in this respect.

An in 6 illustrated fifth embodiment of an electrochemical cell 100 is different from the one in 5 illustrated fourth embodiment essentially in that both housing components 120 one main wall each 114 , in each case a part of both side walls 116 and in each case a part of both end walls 118 include.

The housing 110 the electrochemical cell 100 is in particular along a longitudinal center plane 144 in the two housing components 120 divided.

Both housing components 120 thus form shells 122 to which the connections 108 of the electrochemical element 104 are weldable and which by folding or pivoting from the in 6 shown connection position in a (not shown) closing position of the housing 110 can be brought.

Incidentally, the in 6 illustrated fifth embodiment of the electrochemical cell 100 in terms of structure and function with the in 5 illustrated fourth embodiment, so that reference is made to the above description in this respect.

An in 7 illustrated sixth embodiment of an electrochemical cell 100 is different from the one in the 3 and 4 illustrated third embodiment essentially in that one of the housing components 120 a main wall 114 and the two side walls 116 includes. The additional housing component 120 includes the other main wall 114 as well as the two end walls 118 ,

Incidentally, the in 7 illustrated sixth embodiment of the electrochemical cell 100 in terms of structure and function with in the 3 and 4 illustrated third embodiment, so that reference is made to the above description thereof in this regard.

An in 8th illustrated seventh embodiment of an electrochemical cell 100 is different from the one in 5 illustrated fourth embodiment essentially in that the terminals 108 of the electrochemical element 104 not on the main walls 114 but on the end walls 118 the cell terminals 138 forming housing components 120 are fixed.

Incidentally, the in 8th illustrated seventh embodiment of the electrochemical cell 100 in terms of structure and function with the in 5 illustrated fourth embodiment, so that reference is made to the above description in this respect.

An in 9 illustrated eighth embodiment of an electrochemical cell 100 is different from the one in 8th shown seventh embodiment essentially in that the two the cell terminals 138 forming housing components 120 one main wall each 114 , a side wall 116 and in each case a part of both end walls 118 include.

The end walls 118 are asymmetrically divided into two parts, with a dividing line 146 with a border 148 each end wall 118 an angle of, for example, about 45 °.

The end walls 118 are divided into a large and a small part.

In each case on the large part of the front wall 118 is the associated connection 108 of the electrochemical element 104 arranged.

By the division of the end walls 118 can on both end walls 118 both potentials of the electrochemical element 104 created and tapped.

Incidentally, the in 9 illustrated eighth embodiment of the electrochemical cell 100 in terms of structure and function with the in 8th illustrated seventh embodiment, so that reference is made to the above description in this respect.

An in 10 illustrated ninth embodiment of an electrochemical cell 100 is different from the one in 9 illustrated eighth embodiment essentially in that the dividing line 146 essentially diagonally through the end walls 118 runs and the end walls 118 thus dividing into substantially triangular parts.

Incidentally, the in 10 illustrated ninth embodiment of the electrochemical cell 100 in terms of structure and function with the in 9 illustrated eighth embodiment, so that reference is made to the above description thereof in this regard.

An in 11 illustrated tenth embodiment of an electrochemical cell 100 is different from the one in 6 illustrated fifth embodiment essentially in that the housing 110 not along a median longitudinal plane 144 but along a transverse median plane 150 in the two housing components 120 shared.

Incidentally, the in 11 illustrated tenth embodiment of the electrochemical cell 100 in terms of structure and function with the in 6 illustrated fifth embodiment, so that reference is made to the above description thereof in this regard.

One in the 12 to 17 illustrated eleventh embodiment of an electrochemical cell 100 is different from the one in 1 illustrated first embodiment essentially in that a one shell 122 forming housing component 120 both main walls 114 , both end walls 118 and a side wall 116 includes.

One of the end walls 118 includes a receiving slot 152 in which a connection 108 of the electrochemical element 104 is insertable.

The connection 108 protrudes from the interior 128 of the housing 110 out and thus from outside the case 110 accessible (see in particular 15 and 17 ).

In particular, in this way the connection 108 from outside the case 110 with the end wall 118 in which the receiving slot 152 is arranged to be welded.

The receiving slot 152 is closed in particular fluid-tight.

The further connection 108 is with a connection conductor 154 connectable.

The connection conductor 154 connects the connection 108 with a cell terminal 138 ,

This cell terminal 138 and the other cell terminal 138 are in a side wall 116 arranged, by means of which the shell 122 forming housing component 120 can be covered.

The cell terminals 138 are electrically isolated from each other.

The cell terminal 138 which is not with the connection conductor 154 with a connection 108 of the electrochemical element 104 is connected via the electrically conductive housing component 120 of the housing 110 the cup 122 forms, and / or by suitable design of the connection 108 of the electrochemical element 104 connected to the same.

Incidentally, the right in the 12 to 17 illustrated eleventh embodiment of the electrochemical cell 100 in terms of structure and function with the in 1 illustrated first embodiment, so that reference is made to the above description in this respect.

One in the 18 to 23 illustrated twelfth embodiment of an electrochemical cell 100 is different from the one in the 12 to 17 illustrated eleventh embodiment essentially in that the housing component 120 at which a connection 108 of the electrochemical element 104 immediately fixed, a Hauptwandung 114 , both side walls 116 as well as an end wall 118 includes.

Another housing component 120 is substantially L-shaped and comprises a main wall 114 and the other end wall 118 ,

The one cell terminal 138 which is in particular part of that housing component 120 is, both side walls 116 includes, in particular via the housing component 120 electrically conductive with the connection 108 of the electrochemical element 104 connected.

The further cell terminal 138 is in particular electrically insulating in a passage opening 156 same side wall 116 arranged and by means of a connection conductor 154 with the further connection 108 of the electrochemical element 104 connected.

In particular 23 it can be seen, a connection of a connection 108 of the electrochemical element 104 with an end wall 118 for example, by bending the for example, designed as a tab connection 108 and flat application and welding it to the end wall 118 respectively.

Incidentally, the right in the 18 to 23 illustrated twelfth embodiment of the electrochemical cell 100 in terms of structure and function with in the 12 to 17 illustrated eleventh embodiment, so that reference is made to the above description in this respect.

One in the 24 to 29 illustrated 13th embodiment of an electrochemical cell 100 is different from the one in the 18 to 23 illustrated twelfth embodiment essentially in that the connection 108 of the electrochemical element on a projection 140 in a side wall 118 is arranged.

In particular, the connection 108 at one by means of the projection 140 formed plateau 142 arranged.

The electrochemical cell 100 according to the 13th embodiment, in this respect, therefore, agrees with the in 1 illustrated first embodiment.

Incidentally, the right in the 24 to 29 illustrated 13th embodiment in terms of structure and function with in the 18 to 23 illustrated twelfth embodiment, so that reference is made to the above description in this respect.

An in 30 illustrated 14th embodiment of an electrochemical cell 100 is different from the one in 5 illustrated fourth embodiment essentially in that the housing components 120 two each in the end walls 118 arranged passage openings 156 include.

Through these passages 156 can projections 158 the connections 108 be passed.

The projections 158 form connection sections 160 the connections 108 ,

The through the openings 156 passed through connecting sections 160 the connections 108 are thus from an outside of the housing 110 accessible and can in particular from the outside with the respective housing component 120 be welded.

The passages 156 are thereby sealed fluid-tight.

In particular, an undesirable protrusion of the connection sections 160 from the end walls 118 to avoid are the end walls 118 each with a recess 162 Mistake.

The area of the passages 156 the end walls 118 is set back from the other areas.

Incidentally, the in 30 illustrated 14th embodiment of the electrochemical cell 100 in terms of structure and function with the in 5 illustrated fourth embodiment, so that reference is made to the above description in this respect.

The in the 31 to 33 illustrated embodiments 15, 16 and 17 of an electrochemical cell 100 differ from the in 30 illustrated 14 embodiment substantially only by the shape of the housing.

At the in 31 illustrated fifth embodiment, the housing shape substantially corresponds to that of in 6 illustrated fifth embodiment.

The case shape of in 32 illustrated 16th embodiment of the electrochemical cell 100 is essentially the same as in 9 illustrated eighth embodiment.

The case shape of in 33 illustrated 17th embodiment of the electrochemical cell 100 is essentially the same as in 11 illustrated tenth embodiment.

Incidentally, the votes in the 31 to 33 Embodiments shown in terms of structure and function with in 30 illustrated 14th embodiment, so that reference is made to the above description in this respect.

An in 34 illustrated 18th embodiment of an electrochemical cell 100 is different from the one in 30 illustrated 14 embodiment essentially in that the connections 108 not through the passages 156 be passed.

Rather, the connections are 108 on insides 164 of wall sections 166 the end walls 118 in, in which the passage openings 156 , For example, four openings each 156 , are arranged.

At the in 34 illustrated 18th embodiment can thus through the passages 156 through in a contact area between the connections 108 and the end wall 118 a connection, in particular a welded connection, are produced.

The passages 156 can be filled up, for example by supplying material. This allows a reliable sealing of the passage openings 156 and thus of the interior 128 of the housing 110 be guaranteed.

Alternatively or additionally, it can be provided that the connections 108 through the passages 156 through each with one around the respective passage opening 156 circumferential weld seam are provided.

Incidentally, the in 34 illustrated 18th embodiment in terms of structure and function with in 30 illustrated 14th embodiment, so that reference is made to the above description in this respect.

In the 35 to 37 are other embodiments, namely the embodiments 19, 20 and 21, an electrochemical cell 100 shown.

These embodiments 19, 20 and 21 are different from those in FIG 34 illustrated 18th embodiment substantially only by the shape of the housing 110 , which at the in 35 illustrated 19th embodiment of the shape of the housing 110 the in 6 illustrated fifth embodiment of the electrochemical cell 100 equivalent. The case shape of in 36 illustrated 20th embodiment of the electrochemical cell 100 is essentially the same as in 9 illustrated eighth embodiment.

The shape of the case 110 the in 37 21 illustrated embodiment substantially corresponds to the shape of the housing 110 the in 11 illustrated tenth embodiment.

Incidentally, the votes in the 35 to 37 illustrated embodiments 19, 20 and 21 with respect to structure and function with in 34 18th embodiment shown, so that reference is made to the above description in this respect.

An in 38 illustrated 22th embodiment of an electrochemical cell 100 is different from the one in 1 illustrated first embodiment essentially in that the connecting device 130 through two to the housing components 120 molded fasteners 132 is formed.

The connecting elements 132 are in particular form-fitting and / or material fit with the housing components 120 connected.

For connecting the housing components 120 Together, the housing components 120 with the fasteners 132 placed against one another.

The housing components 120 lie in particular in a peripheral edge area 134 by means of the connecting elements 132 to each other.

The fluid-tight connection of the housing components 120 each other can then in particular by welding the connecting elements formed for example from a plastic material 132 getting produced.

In particular, the connecting elements 132 along the edge area 134 circumferentially welded together.

This type of connection of the housing components 120 is particularly suitable for connecting two housing components 120 , in which tapered walls 112 be joined together (for example, in the 11 illustrated tenth embodiment of an electrochemical cell 100 ).

Incidentally, the in 38 illustrated 22nd embodiment of the electrochemical cell 100 in terms of structure and function with the in 1 illustrated first embodiment, so that reference is made to the above description in this respect.

An in 39 illustrated 23rd embodiment of an electrochemical cell 100 is different from the one in 38 illustrated 22 embodiment essentially in that only one housing component 120 with a connecting element 132 is provided, which is prepared by molding a plastic material.

This connecting element 132 is in particular part of a locking device 168 ,

In particular, this connection element 132 a snap-in recording 170 the locking device 168 ,

An associated latching projection 172 the locking device 168 is in particular in a peripheral edge region 134 the other housing component 120 educated.

By means of the locking projection 172 and the detent receptacle 170 can the housing components 120 locked together.

By the choice of material of the locking receptacle 170 forming connecting element 132 is preferably an electrically insulating connection of the housing components 120 guaranteed.

For (additional) sealing in the area of the connecting device 130 can be provided that the locking receptacle 170 with a, in particular circumferential, sealing element 174 , For example, a sealing ring is provided.

Incidentally, the in 39 illustrated 23 , Embodiment of an electrochemical cell 100 in terms of structure and function with the in 38 22 illustrated embodiment, so that reference is made to the above description in this respect.

An in 40 illustrated 24th embodiment of an electrochemical cell 100 is different from the one in 38 illustrated 22 embodiment essentially in that the housing components 120 are connected together by means of an adhesive connection.

The housing components 120 are doing especially in a border area 134 arranged overlapping.

The adhesive bond is preferably made by an electrically insulating material. An additional seal is preferably dispensable.

Incidentally, the in 40 illustrated 24 , Embodiment of the electrochemical cell 100 in terms of structure and function with the in 38 22 illustrated embodiment, so that reference is made to the above description in this respect.

An in 41 illustrated 25th embodiment of an electrochemical cell 100 is different from the one in 38 illustrated 22 embodiment essentially in that the housing components 120 by means of an additional connecting element 132 be connected to each other.

The additional connecting element 132 in particular comprises a central electrically insulating section 176 , which two electrically conductive sections 178 separates each other.

The housing components 120 are each on an electrically conductive section 178 arranged and by means of the central electrically insulating portion 176 electrically isolated from each other.

The electrically conductive sections 178 preferably each have the same material as the housing component to be arranged thereon 120 , In this way, a particularly reliable connection between the housing components 120 and the connecting element 132 and thus also between the housing components 120 be enabled.

To have a surface as level as possible of the housing 110 to ensure are the edge areas 134 the housing components 120 preferably in the direction of the interior 128 set back.

Thus, indentations 180 in the walls 112 formed, in which the connecting element 132 is receivable.

Incidentally, the in 41 illustrated 25th embodiment of the electrochemical cell 100 in terms of structure and function with the in 38 22 illustrated embodiment, so that reference is made to the above description in this respect.

An in 42 illustrated 26th embodiment of an electrochemical cell 100 is different from the one in 38 illustrated 22 embodiment essentially in that the connecting device 130 by a connecting element formed, for example, from plastic 132 is formed, which has a wall portion of several walls 112 forms and by means of which the two housing components 120 are receivable.

In particular, it can be provided that the housing components 120 on the connecting element 132 are deferrable.

In addition, at the in 42 illustrated 26th embodiment of the electrochemical cell 100 a cover device 182 intended.

The cover device 182 extends in particular from a housing component 120 to the other housing component 120 and thus over the entire connection device 130 time.

The cover device 182 is formed in particular of a thermoplastic material which contracts under the action of heat.

For example, it can be provided that the cover device 182 is formed by a so-called shrink tubing.

The housing 110 can by means of the cover device 182 in particular be reliably sealed, that the cover device 182 in the area of the connection device 130 and preferably also at least partially in the area of the housing components 120 is arranged and then shrunk by heating. The cover device 182 then fits particularly stable the shape of the housing 110 at.

Incidentally, the in 42 illustrated 26th embodiment of the electrochemical cell 100 in terms of structure and function with the in 38 22 illustrated embodiment, so that reference is made to the above description in this respect.

An in 43 illustrated embodiment 27 differs from the in 42 illustrated 26 embodiment essentially in that the connecting element 132 as a frame device 184 is formed, on which the two housing components 120 are deferrable.

The frame device 184 preferably extends over an entire length and / or width and / or height of the housing 110 ,

The housing components 120 in particular by means of an adhesive connection to the frame device 184 established.

In particular, due to the adhesive connection may preferably be a reliable sealing of the interior 128 of the housing 110 respectively. A cover device 182 This can be dispensable.

For additional positive connection of the frame device 184 with the housing components 120 For example, (not shown) clips or Verstemmpunkte be provided.

Incidentally, the in 43 illustrated 27th embodiment of the electrochemical cell 100 in terms of structure and function with the in 42 illustrated 26th embodiment, so that reference is made to the above description in this respect.

Claims (43)

Electrochemical cell ( 100 ) comprising an electrochemical element ( 104 ) for receiving, storing and / or providing electrical energy and a housing ( 110 ) for receiving the electrochemical element ( 104 ), the housing ( 110 ) at least one electrically conductive housing component ( 120 ) and a connection device ( 130 ) for the electrically insulating connection of the at least one housing component ( 120 ) with at least one further housing component ( 120 ) of the housing ( 110 ). Electrochemical cell ( 100 ) according to claim 1, characterized in that a connection ( 108 ) of the electrochemical element ( 104 ) directly on the electrically conductive housing component ( 120 ). Electrochemical cell ( 100 ) According to one of claims 1 or 2, characterized in that both terminals ( 108 ) of the electrochemical element ( 104 ) directly on mutually different electrically conductive housing components ( 120 ). Electrochemical cell ( 100 ) according to one of claims 1 to 3, characterized in that at least one electrically conductive housing component ( 120 ) a cell terminal ( 138 ) of the electrochemical cell ( 100 ). Electrochemical cell ( 100 ) according to one of claims 1 to 4, characterized in that an edge region ( 134 ) at least one electrically conductive housing component ( 120 ), which in the mounted state of the electrochemical cell ( 100 ) to another housing component ( 120 ), with at least one connecting section ( 136 ) and / or connecting element ( 132 ) of the connection device ( 130 ) is provided. Electrochemical cell ( 100 ) according to one of claims 1 to 5, characterized in that a peripheral edge region ( 134 ) at least one electrically conductive housing component ( 120 ), which in the mounted state of the electrochemical cell ( 100 ) to another housing component ( 120 ) is adjacent, with at least one along the edge region ( 134 ) extending completely circumferential connecting portion ( 136 ) and / or connecting element ( 132 ) of the connection device ( 130 ) is provided. Electrochemical cell ( 100 ) According to one of claims 5 or 6, characterized in that the at least one connecting portion ( 136 ) and / or the at least one connecting element ( 132 ) comprises an electrically insulating material or is formed from an electrically insulating material. Electrochemical cell ( 100 ) according to one of claims 1 to 7, characterized in that two or more electrically conductive housing components ( 120 ) positively and / or cohesively with in each case at least one connecting portion ( 136 ) or connecting element ( 132 ) of the connection device ( 130 ) and that the electrically conductive housing components ( 120 ) by positive and / or material connection of the connecting portions ( 136 ) or connecting elements ( 132 ) are interconnected. Electrochemical cell ( 100 ) according to one of claims 1 to 8, characterized in that two or more electrically conductive housing components ( 120 ) are connected to each other by means of an electrically insulating adhesive connection, in particular a material fit. Electrochemical cell ( 100 ) according to one of claims 1 to 9, characterized in that the connecting device ( 130 ) as a frame device ( 184 ) for receiving and connecting two or more electrically conductive housing components ( 120 ) is trained. Electrochemical cell ( 100 ) according to claim 10, characterized in that one, two or more housing components ( 120 ) by means of an adhesive bond with the frame device ( 184 ) are connected. Electrochemical cell ( 100 ) According to one of claims 1 to 11, characterized in that two or more electrically conductive housing components ( 120 ) by means of a locking device ( 168 ) and / or a clip device are connected together. Electrochemical cell ( 100 ) according to one of claims 1 to 12, characterized in that two or more electrically conductive housing components ( 120 ) by means of at least one connecting element ( 132 ) of the connection device ( 130 ), wherein the at least one connecting element ( 132 ) a central electrically insulating section ( 176 ) and two by means of the central electrically insulating section ( 176 ) separate electrically conductive sections ( 178 ), wherein the electrically conductive housing components ( 120 ) in a form-fitting and / or material-locking manner on in each case one of the electrically conductive sections ( 178 ). Electrochemical cell ( 100 ) according to claim 13, characterized in that the electrically conductive housing components ( 120 ) with the electrically conductive sections ( 178 ) are welded. Electrochemical cell ( 100 ) according to one of claims 1 to 14, characterized in that a connection region in which the at least one electrically conductive housing component ( 120 ) with at least one further housing component ( 120 ) is connected by means of a covering device ( 182 ) is covered. Electrochemical cell ( 100 ) according to claim 15, characterized in that the covering device ( 182 ) is formed of a material which contracts under the action of heat. Electrochemical cell ( 100 ) according to one of claims 1 to 16, characterized in that an electrically conductive housing component ( 120 ), two electrically conductive housing components ( 120 ) or more than two electrically conductive housing components ( 120 ) are shell-shaped and in the assembled state of the electrochemical cell ( 100 ) an interior ( 128 ) of the electrochemical cell ( 100 ) each surrounded at least two-sided, three-sided, four-sided or five-sided. Electrochemical cell ( 100 ) according to one of claims 1 to 17, characterized in that the electrochemical cell ( 100 ) two electrically conductive housing components ( 120 ), which together form a substantially cuboidal interior ( 128 ) of the housing ( 110 completely surrounded. Electrochemical cell ( 100 ) according to claim 18, characterized in that the two housing components ( 120 ) along a connection plane ( 144 . 150 ), whereby the connection plane ( 144 . 150 ) perpendicular to two or more walls ( 112 ) of the housing ( 110 ) runs. Electrochemical cell ( 100 ) according to claim 18, characterized in that the two housing components ( 120 ) are interconnected along a connecting plane, wherein the connecting plane obliquely to all walls ( 112 ) of the housing ( 110 ) runs. Electrochemical cell ( 100 ) according to one of claims 1 to 20, characterized in that at least one connecting element ( 132 ) of the connection device ( 130 ) is formed as a plastic component. Electrochemical cell ( 100 ) according to one of claims 1 to 21, characterized in that one, two or more electrically conductive housing components ( 120 ) Sheet metal forming products are. Electrochemical cell ( 100 ) according to one of claims 1 to 22, characterized in that by means of two electrically conductive housing components ( 120 ) cell terminals located at different potentials ( 138 ) are formed. Electrochemical cell ( 100 ) according to one of claims 1 to 23, characterized in that by means of two electrically conductive housing components ( 120 ) Cell terminals ( 138 ) formed on opposite sides of the electrochemical cell ( 100 ) are arranged. Electrochemical cell ( 100 ) according to one of claims 1 to 24, characterized in that the housing ( 110 ) is fluid-tight in the mounted state. Electrochemical cell ( 100 ) according to one of claims 1 to 25, characterized in that at least one housing component ( 120 ), in particular at least one electrically conductive housing component ( 120 ), is formed of a clad material. Electrochemical cell ( 100 ) according to one of claims 1 to 26, characterized in that the at least one electrically conductive housing component ( 120 ) a supporting housing component ( 120 ). Electrochemical cell ( 100 ) according to one of claims 1 to 27, characterized in that the housing ( 110 ) two electrically conductive housing components ( 120 ), each with a connection ( 108 ) of the electrochemical cell ( 100 ), wherein the electrically conductive housing components ( 120 ) are formed and interconnected so that one, two or more sides of the housing ( 110 ) in each case partially by the one electrically conductive housing component ( 120 ) and partly by the other electrically conductive housing component ( 120 ) are formed. Electrochemical cell ( 100 ) according to one of claims 1 to 28, characterized in that at least one electrically conductive housing component ( 120 ) a receiving opening, in particular a passage opening ( 156 ), in which a cell terminal ( 138 ) can be arranged or arranged, which is electrically from the electrically conductive housing component ( 120 ) is isolated. Method for producing an electrochemical cell ( 100 ), comprising: providing an electrochemical element ( 104 ) for receiving, storing and / or providing electrical energy; Providing at least one electrically conductive housing component ( 120 ) of a housing ( 110 ) for receiving the electrochemical element ( 104 ); Connecting the at least one electrically conductive housing component ( 120 ) with at least one further housing component ( 120 ) of the housing ( 110 ) by means of an electrically insulating connection. Method according to claim 30, characterized in that at least one connection ( 108 ) of the electrochemical element ( 104 ) directly on at least one electrically conductive housing component ( 120 ). Method according to one of claims 30 to 31, characterized in that at least one connection ( 108 ) of the electrochemical element ( 104 ) with the at least one electrically conductive housing component ( 120 ) is welded, soldered and / or jammed. Method according to one of claims 30 to 32, characterized in that at least one electrically conductive housing component ( 120 ) is produced by forming a metallic sheet. Method according to one of claims 30 to 33, characterized in that at least one housing component ( 120 ) one or more passage openings ( 156 ) and / or one or more receiving slots ( 152 ) into which a connection ( 108 ) of the electrochemical element ( 104 ) or one or more connection sections ( 160 ) of a connection ( 108 ) of the electrochemical element ( 104 ) are introduced. A method according to claim 34, characterized in that a in the passage opening ( 156 ) and / or in the receiving slot ( 152 ) led connection ( 108 ) or connection section ( 160 ) with the housing component ( 120 ) positively connected and / or materially connected, in particular welded, is. Method according to one of claims 30 to 35, characterized in that two or more housing components ( 120 ), in particular by means of the electrochemical element ( 104 ), pivotally connected to each other. A method according to claim 36, characterized in that the two or more housing components ( 120 ) by folding, bending and / or folding of a first relative position of the housing components ( 120 ) are brought relative to each other in a second relative position. A method according to claim 37, characterized in that the two or more housing components ( 120 ) from a connection position in which the connection to the electrochemical element ( 104 ) is brought into a closed position in which an interior ( 128 ) of the housing ( 110 ) of the housing components ( 120 ) is enclosed. Method according to one of claims 30 to 38, characterized in that at least one housing component ( 120 ) one or more projections ( 140 ), which in the mounted state of the electrochemical cell ( 100 ) in an interior ( 128 ) of the housing ( 110 ), at least one connection ( 108 ) of the electrochemical element ( 104 ) or one or more connection sections ( 160 ) of a connection ( 108 ) of the electrochemical element ( 104 ) at the one or more protrusions ( 158 ) be determined. Method according to one of claims 30 to 39, characterized in that at least one housing component ( 120 ) one or more passage openings ( 156 ) in a wall section ( 166 ), on the inside ( 164 ) in the assembled state of the electrochemical cell ( 100 ) a connection ( 108 ) of the electrochemical element ( 104 ) or adjacent, and that the connection ( 108 ) and the housing component ( 120 ) through the one or more passage openings ( 156 ) are welded together, in particular with material supply with simultaneous filling and / or sealing of the one or more passage openings ( 156 ). Method according to one of claims 30 to 40, characterized in that the electrochemical element ( 104 ) in the housing ( 110 ) is arranged, that the housing ( 110 ) has an access opening or is provided with an access opening, that a fastening device through the access opening into an interior ( 128 ) of the housing ( 110 ) and that by means of the fastening device a connection ( 108 ) or both connections ( 108 ) of the electrochemical element ( 104 ) with one or more housing components ( 120 ), in particular cohesively connected. Method according to claim 41, characterized in that the housing ( 110 ) after mounting the housing components ( 120 ) and the electrochemical element ( 104 ) is filled with electrolyte through the access opening. Method according to one of claims 41 or 42, characterized in that the access opening is closed fluid-tight, in particular by means of a sealing device for overpressure protection.

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