WO2013060315A1

WO2013060315A1 - Cell frame of an electrochemical cell, electrochemical cell comprising a cell frame, and battery comprising corresponding electrochemical cells

Info

Publication number: WO2013060315A1
Application number: PCT/DE2012/000964
Authority: WO
Inventors: Matthias GRUETZE; Christian Zahn
Original assignee: Li-Tec Battery Gmbh
Priority date: 2011-10-28
Filing date: 2012-10-04
Publication date: 2013-05-02
Also published as: DE202011107298U1; DE112012004526A5

Abstract

The cell frame (10) is designed to receive at least one electrochemical cell (1) of a battery, particularly a battery that is designed for use in motor vehicles, the electrochemical cell (1) having preferably a flat design. An essentially circular tie rod passage (15) is in each case arranged in corner regions of the cell frame (10) and essentially perpendicular to the base surface of the cell frame (10) for guiding a tie rod. A sleeve (18) having a circumferential protrusion (20) is arranged in the tie rod passages (15), wherein the tie rod passages (15) comprise a circumferential inner bearing surface (19) and the circumferential inner bearing surface (19) in the tie rod passage (15) is designed and arranged for supporting the circumferential protrusion (20) of the sleeve (18).

Description

Cell frame of an electrochemical cell, electrochemical cell with cell frame and battery with corresponding electrochemical cells

Description

The invention relates to a cell frame of an electrochemical cell, an electrochemical cell with corresponding cell frames and a battery having a number of these electrochemical cells.

Electrochemical energy stores, also referred to below as electrochemical or galvanic cells, are often produced in the form of stackable units, from which by combining a plurality of such cells batteries for different applications, in particular for use in electrically powered vehicles can be produced. The invention will be described in relation to the use in a motor vehicle, wherein, however, it should be pointed out that a suitably designed electrochemical cell also independent of motor vehicles z. B. can be operated in a stationary operation. Hereby we the entire contents of the priority application DE 20 201 1 107 298 by reference part of the present application.

Cell frames for receiving an electrochemical cell and corresponding electrochemical cells and batteries with a number of these electrochemical cells are known from the prior art. The present invention is based on the object, an improved cell frame and an improved electrochemical cell and an improved To provide battery with a number of corresponding electrochemical cells.

This object is achieved by a cell frame according to claim 1, an array of cell frames according to claim 53 and a battery according to claim 54. The dependent claims relate to advantageous developments of the invention.

According to a first aspect, this object is achieved in a cell frame, which is designed to accommodate at least one, preferably a flat designed, electrochemical cell of a battery, in particular designed for use in motor vehicles battery, wherein in corner regions of the cell frame each have a substantially circular Zugankerdurchführung in Is arranged substantially perpendicular to the base of the cell frame for guiding a tie rod, achieved in that in the Zugankerdurchführungen a circumferential projection having sleeve is introduced and that the Zugankerdurchführungen having an inner circumferential bearing surface, wherein the inner circumferential bearing surface in the Zugankerdurchführung for conditioning of the circumferential Projection of the sleeve is configured and arranged. An advantage of this embodiment is that the guidance of the tie rod can be stabilized. Another advantage of this embodiment is that the sleeves can be arranged more reliably. Another advantage of this embodiment is that the structure can be specifically strengthened.

An electrochemical cell is understood to mean an electrochemical energy store for the present invention, that is to say a device which stores energy in chemical form, delivers it in electrical form to a consumer and preferably can also receive it in electrical form from a charging device. Important examples of such electrochemical energy stores are galvanic cells or fuel cells. The electrochemical cell has at least a first and a second device for storing electrically different charges, which are preferably used as an electrode arrangement are configured, and a means for producing an electrical active connection of both said devices, wherein charge carriers can be moved between these two devices. Under the means for producing an electrical active compound z. B. to understand an electrolyte, which acts as an ion conductor.

An electrode arrangement is understood to mean an arrangement of at least two electrodes and an electrolyte arranged therebetween for the present invention. The electrolyte may be partially absorbed by a separator. Then the separator separates the electrodes. The electrode arrangement also serves to store chemical energy and convert it into electrical energy. In the case of a rechargeable galvanic cell, the electrode assembly is also capable of converting electrical to chemical energy. Preferably, the electrodes are plate-shaped or foil-like. In the case of the electrode arrangement, the electrodes are preferably arranged in the form of a stack. According to another preferred embodiment, the electrodes may also be wound up. The electrode arrangement may preferably also comprise lithium or another alkali metal in ionic form.

By a flat electrochemical cell is meant for the present invention, an electrochemical cell whose outer shape is characterized by two substantially parallel surfaces whose perpendicular distance from each other is shorter than the measured parallel to these surfaces mean length of the cell. Between these surfaces, often surrounded by a packaging or a cell housing, the electrochemically active components of the cell are arranged. Such cells are often surrounded by a multilayer foil packaging, which has at the edges of the cell packaging a sealed seam, which is formed by a permanent joining or closing of the foil packaging in the region of the sealed seam. Such cells are often referred to as pouch cells or as coffeebag cells. In the cell frame in the four corner regions of the cell frame, in each case a substantially circular tie rod feedthrough is preferably arranged perpendicular to the base surface of the cell frame for guiding a tie rod.

Preferably, in the cell frame, the tie rod bushings on an upper circumferential bearing surface, wherein the upper circumferential bearing surface designed and arranged to bear a federal government of a sleeve. An advantage of this embodiment is that the sleeves can be arranged more reliably. Another advantage of this embodiment is that the sleeve improves the leadership of the tie rod. Another advantage of this design is that connection of the cell frames is simplified.

In the case of the cell frame, the collar of the sleeve is preferably configured for spacing parallel cell frames arranged next to one another.

In the case of the cell frame, the sleeve preferably has a head part with an inner diameter and a foot part projecting from the cell frame with an outer diameter, the outer diameter of the foot part being designed to rest against the inner diameter of the head part.

In the case of the cell frame, the tie rod feedthroughs preferably each have an opening upper part with an inner diameter and an opening lower part with an outer diameter projecting from a base area of the cell frame, wherein the inner diameter of the upper opening part is adapted to the outer diameter of the lower opening part in such a way that the lower opening part of the cell frame fits into the Opening upper part of an adjacently arranged cell frame can be introduced.

In the case of the cell frame, the opening lower part is preferably configured essentially cylindrical.

According to another preferred embodiment, in the cell frame, the opening lower part is configured substantially conical. Preferably, the cell frame comprises a first frame part, in particular a frame top part and a second frame part, in particular a frame lower part, and the electrochemical cell has at least one flat edge region, wherein the frame top part and the frame lower part are designed to hold the flat edge region of the electrochemical cell.

The tie rod bushings are preferably arranged in the frame upper part in the cell frame.

According to another preferred embodiment, in the cell frame, the tie-bolt penetrations are arranged in the frame base. In the case of the cell frame, the sleeve is preferably designed as a press-fit sleeve, in particular as a press-fit sleeve made of a metal or a metallic alloy. An advantage of this embodiment is that a particularly stable connection is achieved.

In the cell frame, the electrochemical cell preferably has at least one first arrester and at least one second arrester, and the first arrester has at least one first fastening opening for carrying out a first fastening means in a first fastening region which bears against an outer side of the cell frame of the first Abieiters is configured and which is connected to a arranged in the cell frame first counterpart.

Under a trap for the present invention is an electrically conductive construction element of an electrochemical cell to understand, which serves for transporting electrical energy into the electrochemical cell or out of the electrochemical cell. Electrochemical cell usually have two types of Abieitern, each of which is electrically connected to one of the two electrodes or electrode groups - anodes or cathodes - inside the electrochemical cell. In other words, each electrode of the electrode assembly has its own arrester the electrodes of the same polarity of the electrode assembly connected to a common Abieiter. The shape of the Abieiter is adapted to the shape of the electrochemical cells and the electrode assemblies.

In the case of the cell frame, the first counterpart is preferably designed as a first threaded insert receptacle arranged in the cell frame with a first threaded insert.

In the case of the cell frame, the first threaded insert receptacle and the first threaded insert are preferably made conical.

In the case of the cell frame, the first threaded insert receptacle preferably has a collar support and the first threaded insert has a collar.

According to another preferred embodiment, in the cell frame, the first threaded insert receptacle is designed substantially cylindrical with a collar support and the first threaded insert is designed substantially cylindrical with a collar. In the case of the cell frame, the attachment region of the first attachment is preferably arranged such that the first attachment is connected to first counterparts of an adjacently arranged cell frame.

Preferably, in the cell frame at the first abieiter, in the first attachment region, three first attachment openings are arranged such that both a attachment opening distance between adjacently arranged first attachment openings and attachment opening side spaces between the non-center first attachment openings and the first longitudinal attachment side of the first attachment opening Abieiters are essentially the same. Preferably, in the cell frame, the first attachment opening is substantially circular, in particular designed as a round hole. According to another preferred embodiment, in the cell frame, the first attachment opening is substantially oval-shaped, in particular designed as a slot.

In the case of the cell frame, the second absorber preferably has, in a second fastening region, which bears against an outer side of the cell frame, at least one second fastening opening for carrying out a second fastening means, which is designed for fastening the second spacer and which is arranged with one in the cell frame second counterpart is connected.

In the case of the cell frame, the second counterpart is preferably designed as a second threaded insert receptacle arranged in the cell frame with a second threaded insert.

Preferably, in the cell frame, the second threaded insert receptacle and the second threaded insert are configured conical.

In the case of the cell frame, the second threaded insert receptacle preferably has a collar support and the second threaded insert has a collar.

According to another preferred embodiment, in the cell frame, the second threaded insert receiving substantially cylindrical configured with a collar support and the second threaded insert is designed substantially cylindrical with a collar. Preferably, in the cell frame, the second attachment opening is substantially circular, in particular designed as a round hole.

According to another preferred embodiment, in the cell frame, the second attachment opening is substantially oval-shaped, in particular designed as a slot. Preferably, in the cell frame on the second abieiter in the second attachment region, three second attachment openings are arranged such that both a attachment opening distance between adjacently arranged second attachment openings and attachment opening side spaces between the non-centrally located second attachment openings and the second longitudinal attachment side of the second attachment openings Arrester are essentially the same.

In the case of the cell frame, at least one first marking is preferably arranged on the first attachment region of the first arrester, and a second marking is preferably arranged on the second attachment region of the second arrester.

In the case of the cell frame, the first marking on the first fastening region is preferably designed as a respective bulge in the two outer first fastening openings in the direction of the side edges, and the second marking on the second fastening region is formed on the two outer second fastening openings as an additional one in the direction of the side edges arranged, in particular circular opening formed.

According to another preferred embodiment, in the cell frame, the first mark on the first attachment region is formed as an additional, in particular circular opening arranged in the direction of the side edges, and the second mark on the second attachment region at the two outer second attachment openings in each case as a bulge the two outer second mounting holes formed in the direction of the side edges. In the case of the cell frame, the second attachment region of the second arrester is preferably arranged in such a way that the second absorber is connected to second counterparts of an adjacently arranged cell frame. An advantage of this embodiment is that in particular by means of an alternating Arrangement of cell frame and electrochemical cell, the electrochemical cells can be kept very reliable.

Preferably, in the cell frame, the first counterpart and the second counterpart are arranged in the frame lower part. In the case of the cell frame, the frame top part and the frame bottom part are preferably designed to provide a passage for the first absorber and for the second absorber.

Preferably, the cell frame has a trap holder for the first Abieiter and / or for the second Abieiter. Under a Ableiterhaltevorrichtung are to understand the present invention components that are arranged and configured to hold the Abieiters. Holding the Abieiters can z. B. supported by pressing, screwing or welding.

In the case of the cell frame, the arrester holding device is preferably designed as an arrangement in which the frame top part has at least one first arrester pressure element for the first absorber, in particular a first pressure plate for the first absorber. An advantage of this embodiment is that by means of the first Andrucklasche the first Abieiter can be kept improved. In the case of the cell frame, two first pressure plates are preferably arranged on the frame upper part in such a way that essentially both a pressure plate spacing between the two first pressure plates and pressure plate side distances between one of the first pressure plates and the next longitudinal side of the first ejector are the same , An advantage of this embodiment with such an arrangement of two pressure plates is that by means of this distribution of pressure the first Abieiter can be better kept. In the case of the cell frame, the frame lower part preferably has a first contact surface onto which the at least one first pressure tab presses the first abieiter. An advantage of this embodiment is that over the contact surface of the first Abieiter can be better kept. According to another preferred embodiment, in the cell frame, the arrester holding device is designed as an arrangement in which the frame lower part has at least a first arrester pressing element for the first absorber, in particular a first pressure tab for the first absorber. In the case of the cell frame, two first pressure plates are preferably arranged on the frame lower part such that both a pressure plate spacing between both first pressure plates and pressure plate side distances between one of the first pressure plates and the next longitudinal side of the first ejector are substantially the same ,

In the case of the cell frame, the frame upper part preferably has a first abutment surface onto which the first arrestor pressure element presses the first abieiter.

In the case of the cell frame, the frame upper part preferably has at least one second arrestor pressure element for the second absorber, in particular a second pressure flap for the second absorber.

In the case of the cell frame, two second pressure plates are preferably arranged on the frame upper part such that both a pressure plate spacing between the two second pressure plates and the pressure plate side distances between each one of the second pressure plates and the second longitudinal member closest to the second pressure tongue are substantially equal. In the case of the cell frame, the lower frame part preferably has a second contact surface onto which the second Abieiterandruckelement presses the second Abieiter.

In the case of the cell frame, the lower frame part preferably has at least one second Abieiterandruckelement for the second Abieiter, in particular a second Andrücklasche for the second Abieiter.

In the case of the cell frame, two second pressure plates are preferably arranged on the frame lower part in such a way that both a pressure plate spacing between the two second pressure plates and pressure plate side distances between one of the second pressure plates and the next longitudinal side of the second conductor downstream of the second pressure tongue are substantially the same.

In the case of the cell frame, the frame upper part preferably has a second contact surface onto which the second rubbing pressure element presses the second absorber.

In the case of the cell frame, the frame top part and / or the frame bottom part preferably has a cable guide for a signal and / or data line.

In the case of the cell frame, the cable guide preferably has a clamping strap. An advantage of this embodiment is that the holder of the signal and / or data line is improved.

In the case of the cell frame, the frame upper part and the frame lower part are preferably designed to hold the flat edge region of the electrochemical cell by means of frictional engagement. An advantage of this embodiment is that the electrochemical cell can be maintained improved. Preferably, in the cell frame, the frame top and the frame bottom are configured, the flat edge region of the electrochemical cell to hold by means of positive locking. An advantage of this embodiment is that the electrochemical cell can be kept improved, in particular in combination with the preceding embodiment.

According to a further aspect of the present invention, this object is achieved by an arrangement of the above-mentioned cell frames, in which electrochemical cells have been accommodated in the cell frame and the cell frames are connected via a tie rod system.

According to a third aspect, the object is achieved for a battery in that their electrochemical cells have a cell frame according to one of the above-mentioned embodiments.

In the following, aspects of the invention will be described in more detail with reference to a preferred embodiment and with the aid of figures. Showing:

1 is a schematic representation of an electrochemical cell, FIG. 2 is a schematic representation of a tie rod feedthrough according to a first embodiment,

3 is a schematic representation of a Zugankerdurchführung according to a second embodiment,

4 shows a schematic representation of the arrangement of the cell frames in the first exemplary embodiment of the tie rod feedthrough shown in FIG. 2, FIG.

5 shows a schematic representation of the arrangement of the cell frames in the second exemplary embodiment of the tie rod feedthrough shown in FIG. 3, FIG.

6 is a schematic representation of a Zugankerdurchführung according to a third embodiment,

Fig. 7 is a schematic representation of another arrangement of

Cell frame in the first embodiment of the tie rod bushing shown in Figure 2, 8 shows a schematic illustration of the arrangement of the cell frames in the third exemplary embodiment of the tie rod feedthrough shown in FIG. 6, FIG.

9 is a schematic representation of the cell frame with the electrochemical cell before attachment of the Abieiter,

10 is a schematic perspective view of the embodiment of FIG

Threaded sets according to a first embodiment,

Fig. 1 1 is a schematic perspective view of the embodiment of

Thread set receptacles according to a second embodiment, Fig. 12 shows a detailed representation of the thread set receptacles after in the

10 shown first embodiment,

Fig. 13 is a detail view of the thread set receptacles after in the

11 second embodiment shown,

14 shows a schematic representation for fastening the Abieiter according to a first embodiment,

FIG. 15 shows a schematic representation for fastening the absorber according to a second exemplary embodiment, FIG.

16a shows a detailed representation of the embodiment shown in FIG. 14,

FIG. 16b shows a detailed illustration of the embodiment shown in FIG. 15, FIG.

17 schematic representations of different arrangements of the fortifications,

FIG. 18 shows a schematic representation of a cell frame with the electrochemical cell shown in FIG. 1, FIG.

FIG. 19 is a schematic illustration showing details of a trap holding device in the cell frame shown in FIG. 18 and FIG

FIG. 20 shows a schematic representation of details of a mounting of signal and / or data lines in the cell frame shown in FIG. 18. FIG.

1 shows a schematic representation of an electrochemical cell 1 configured to be received in a cell frame 10. The electrochemical Cell 1 has an active region 7, a cell packaging 8 surrounding the active region 7 with a border region 2, and a first absorber 3 and a second absorber 4.

2 shows a schematic representation of a tie rod feedthrough 15 according to a first exemplary embodiment. In the preferred embodiment shown in this figure, the tie rod bushing 15 arranged in the frame lower part has a head part 21 having an inside diameter 30 and a top part height 35 and a foot part 22 having an outside diameter 31 and a bottom part height 35. The outer diameter 31 of the foot part 22 and the inner diameter 30 of the head part 21 are dimensioned such that the foot part 22 of the tie rod feedthrough 15 can be inserted into a head part 21 'of a tie rod feedthrough 15' of another cell frame 10 ', as e.g. As can be seen from Fig. 4, which shows a schematic representation of the arrangement of the cell frame in the first embodiment of the Zugankerdurchführung shown in Fig. 2. In this embodiment, the head part 21 and the foot part 22 are cylindrical. Furthermore, the headboard height 35 and the footboard height 35 can be dimensioned such that the foot part 22 can be completely inserted into the head part 21 'of the tie rod feedthrough 15' of the other cell frame 10 '. Thus, the adjacent cell frames may directly abut each other, such. B. in Fig. 16 can be seen. Furthermore, the foot part 22 has a passage with an inner diameter 32, through which the tie rod is guided.

In a particularly preferred embodiment of the present invention, the inner diameter 30 of the head portion 21 is approximately 8.5mm, the outer diameter 31 of the foot portion 22 is approximately 8mm, the header height 35 is approximately 5mm, the foot height 35 is approximately 4mm and the inner diameter 32 of the foot portion 22 about 6.6 mm.

3 shows a schematic representation of a tie rod feedthrough 15 according to a second exemplary embodiment. In the preferred exemplary embodiment shown in FIG. Ankerdurchführung 15 a sleeve 18 is introduced, which has a smaller inner diameter 39 and a Hülsenkopfteilhöhe 40 exhibiting sleeve head portion 37 and a smaller outer diameter 41 and a Hülsenfußteilhöhe 42 having Sülsenfußteil 38. The smaller outer diameter 41 of the sleeve foot part 38 and the smaller inner diameter 39 of the sleeve head part 37 are dimensioned in such a way that the sleeve foot part 38 of the sleeve 18 can be inserted into a sleeve head part 37 'in a tie rod lead-through 15' of another cell frame 10 ' , As can be seen from Fig. 5, which shows a schematic representation of the arrangement of the cell frame in the second embodiment of the Zugankerdurchführung shown in Fig. 3. Furthermore, the sleeve head portion height 40 and the sleeve foot portion height 42 may be dimensioned such that the sleeve foot portion 38 can be fully inserted into the sleeve head portion 37 'in the tie rod passage 15' of the other cell frame 10 '. Thus, the adjacent cell frames may directly abut each other, such. B. in Fig. 5 can be seen. In a preferred. Embodiment sleeve end portion 38 and the sleeve head portion 37 are conical, wherein the sleeve head portion 37 has a larger outer diameter 43.

In a particularly preferred embodiment of the present invention, the smaller inside diameter 39 of the sleeve head part 37 is approximately 7.9 mm, the smaller outside diameter 40 of the sleeve foot part 38 is approximately 7.7 mm, the larger outside diameter 43 of the sleeve foot part 38 is approximately 8.6 mm, the sleeve head portion height 40 is about 4 mm, the sleeve foot part height 42 is about 4 mm, and the inner diameter 44 of the sleeve foot part 38 is about 6.2 mm.

Fig. 6 shows a schematic representation of a Zugankerdurchführung according to a third embodiment, which differs from the second embodiment shown in Fig. 3 in that the sleeve 18 has a sleeve collar 17 with a sleeve waist 43, which on an upper circumferential bearing surface 16 of the frame base 12 rests. To avoid recurrence Holungen in the matching with the second embodiment of the components will refer to the description of FIG. 3. By means of the sleeve collar 17, the cell frame 10 can be spaced with sleeve waist 43. In a particularly preferred embodiment of the present invention, the minor inner diameter 39 of the sleeve head portion 37 is approximately 7.9mm, the minor outer diameter 40 of the sleeve foot portion 38 is approximately 7.7mm, the larger outer diameter 43 of the sleeve foot portion 38 is approximately 8.6mm, the sleeve header height 40 about 4 mm, the sleeve foot part height 42 about 4 mm, the inner diameter 44 of the sleeve foot part 38 about 6.2 mm and the sleeve waist 43 about 2 mm.

FIG. 7 shows an arrangement of the cell frames 10 with a tie rod feedthrough 15 according to the first exemplary embodiment shown in FIG. 2, which differs from the arrangement shown in FIG. 4 in that the cell frames 10 are spaced apart by means of the spacers 44. To avoid repetition in the matching components of this arrangement will refer to the description of Figures 2 and 4.

8 shows an arrangement of the cell frames 10 with a tie rod feedthrough 15 with the sleeve 18 having the sleeve collar 17 according to the third embodiment shown in FIG. 6, in which the cell frames 10 are spaced apart by means of the sleeve collar 17. To avoid repetition in the matching components of this arrangement will refer to the description of the previous figures.

FIG. 9 shows schematic representations of the cell frame 10 with the electrochemical cell 1 before attachment of the first arrester 3 and the second arrester 4. In the embodiment designated by a), a first attachment region 33 of the first arrester 3 has at least one first attachment opening 5 and a second attachment area 34 of the second arrester 5 having at least one second attachment opening 6 the cell frame 10 addition. In the preferred exemplary embodiments shown in this figure, the first arrester 3 has three first attachment openings 5 and the second arrester 4 has three second attachment openings 6. The design designated b) corresponds to the embodiment designated a), in which the arrangement of the first Abieiters 3 with the second Abieiters 4 is reversed.

10 shows a perspective schematic illustration of a first exemplary embodiment for configuring a thread set receptacle 24a with a thread set 25a for receiving fastening means, which are provided by the first fastening openings 5 for fastening the first connector 3 or by the second fastening openings 6 for fastening the second arrester 4 be guided. In the preferred first embodiment shown in this figure, the thread set receptacle 24a and the thread set 25a are formed substantially conical. According to another preferred embodiment not shown in the figures, the thread set receptacle 24a and the thread set 25a may be substantially cylindrical.

1 1 shows a perspective schematic representation of a second exemplary embodiment for configuring a thread set receptacle 24b having a thread set collar 45 for receiving fastening means which are fastened by the first fastening openings 5 for fastening the first abieger 3 or are guided through the second mounting holes 6 for fixing the second arrester 4. In the preferred second embodiment shown in this figure, the thread set receptacle 24b and the thread set 25b are formed substantially cylindrical. According to another preferred embodiment not shown in the figures, the thread set receptacle 24a and the thread set 25a may be substantially conical. FIG. 12 shows a schematic cross-sectional view of the first exemplary embodiment shown in FIG. 10 for configuring the thread set receptacle 24a, in which the threaded set receptacle 24a is arranged in the lower part 12 and the attachment area 33, 34 of the Abieiters 3, 4 on a fastening area system 47 of Frame bottom 12 is present. The fastening means are not shown in this figure and the attachment opening 5, 6 is formed as a round hole.

13 shows a schematic cross-sectional view of the second exemplary embodiment shown in FIG. 11 for configuring the thread set receptacle 24b, in which the threaded set receptacle 24b is arranged in the frame lower part 12 and the fastening region 33, 34 of the Abieiters 3, 4 rests against a mounting area system 47 of the frame base 12 , The fastening means are not shown in this figure and the attachment opening 5, 6 is formed as a slot. 14 shows a schematic illustration for fastening the first connector 3 or the second connector 4 according to a first exemplary embodiment, in which the first fastening openings 5 in the first fastening region 33 of the first connector 3 are formed as round holes and in which the second fastening openings 6 are formed in the second mounting portion 34 of the second Ableiters 4 as round holes. In the first exemplary embodiment shown in this figure, the first fastening region 33 has three first fastening openings 5 and the second fastening region 34 has three second fastening openings 6.

Furthermore, in the preferred embodiment shown in this figure, the first attachment region 33 has in each case a bulge 48 at the two outer first attachment openings 5 in the direction of the side edges as a first marking, which can prevent an error during assembly. Furthermore, in the exemplary embodiment shown in this figure, the second fastening region 34 has an additional one in each of the two outer second fastening openings 6 as a second marking Direction of the side edges arranged circular opening 4, which can also prevent an error during assembly.

FIG. 15 shows a schematic representation for fastening the first connector 3 or the second connector 4 according to a second exemplary embodiment, in which the first fastening openings 5 are formed as elongated holes in the first fastening region 33 of the first connector 3 and in which the second fastening openings 6 are formed in the second mounting portion 34 of the second Abieiters 4 as slots. In the second exemplary embodiment shown in this figure, the first fastening region 33 has three first fastening openings 5 and the second fastening region 34 has three second fastening openings 6.

FIG. 16 a shows an illustration of a combination of the exemplary embodiment shown in FIG. 15 with an exemplary embodiment described below. Fig. 16b is an illustration of a combination of the embodiment shown in Fig. 15 with an embodiment described below.

Fig. 17 shows schematic illustrations of various embodiments of the fasteners, which will be described below.

In the embodiment designated by a), the first attachment region 33 of the first abieiter 3 rests against the first attachment region abutment of the cell frame 10, while the second attachment region 4 of the second abieiter 4 does not rest against the second attachment region abutment of the same cell frame 10, but abuts against an attachment region abutment a cell frame adjacent to the frame base is formed into a connection.

In the embodiment designated by b), the second attachment region 34 of the second abieiter 4 rests against the second attachment region abutment of the cell frame 10, while the first attachment region 3 of the second abieiter 4 does not bear against the first attachment area installation of the same cell frame 10, but is designed to rest against a fastening area installation of a cell frame adjacent to the frame base to form a connection.

In the embodiment designated c), neither the first attachment region 33 of the first attachment 3 on the first attachment region attachment of the cell frame 10 nor the second attachment region 4 of the second removal member 4 on the second attachment region attachment of the same cell frame 10 abut, but are in abutment with attachment region attachments a cell frame adjacent to the frame base is formed into a connection. In the embodiment designated d), both the first attachment region 33 of the first abieiter 3 on the first attachment region attachment of the cell frame 10 and the second attachment region 4 of the second removal member 4 abut against the second attachment region attachment of the same cell frame 10. The embodiment denoted by e) corresponds to the design designated b), in which the arrangement of the first Abieiters 3 is interchanged with that of the second Abieiters 4.

The design designated f) corresponds to the embodiment designated a), in which the arrangement of the first Abieiters 3 with the second Abieiters 4 is reversed.

The embodiment designated by g) corresponds to the embodiment designated c), in which the arrangement of the first Abieiters 3 with the second Abieiters 4 is reversed.

The embodiment denoted by d) corresponds to the embodiment designated b), in which the arrangement of the first Abieiters 3 with the second Abieiters 4 is reversed. 18 shows a schematic representation of a cell frame 10 holding an electrochemical cell 1. In the preferred embodiment shown in this figure, the flat edge region of the electrochemical cell 1, which is not visible in this figure, is held by cooperation of a frame top 11 and a frame bottom 12 , Furthermore, the first Abieiter 3 of preferably two first Andrucklaschen 13 is held and the second Abieiter 4 of preferably two second Andrucklaschen 14 is held.

19 shows a perspective schematic view of details in the arrester holding device according to a further preferred embodiment. The frame upper part 1 1 has the first Andrucklasche 13, which presses the first Abieiter 3 on a first abutment surface of the frame base 12, and the second Andrucklasche 14, which presses the second Abieiter 4 on a second abutment surface of the frame base 12. It can be seen from this figure that the first conductor 3 can have a first fastening region 33 projecting beyond the cell frame 10, and the second collector 4 can have a second fastening region 34 projecting beyond the cell frame 10. In the embodiment shown in this figure, the first attachment portion 33 of the first Abieiters 3 is applied to the frame base 12 of the cell frame 10, whereas the second mounting portion 34 of the second Abieiters 4 is arranged to rest against a frame lower part of an adjacent cell frame.

FIG. 20 shows a perspective schematic illustration of an underside of the cell frame 10 for details of a holder of a line 8 for signals and / or data. The line 8 is guided by recesses on the underside of the frame base 12 and held with a clamping strap 29.

The present invention further relates to an arrangement of cell frames with electrochemical cells and a battery having these cell frames, in particular a designed for use in a motor vehicle

Battery having these cell frames. LIST OF REFERENCE NUMBERS

1 electrochemical cell

2 flat border area

3 first Abieiter

4 second Abieiter

5 first attachment opening

6 second mounting hole

7 active area

8 line for data and / or signals

10 cell frames

1 1 frame top

12 frame base

13 first pressure lug

14 second pressure tab

15 circular tie rod feedthrough

16 upper circumferential bearing surface

17 sleeve collar

18 sleeve

19 inner circumferential bearing surface

20 circumferential projection

21 headboard

22 foot part

23 opening top

24a, 24b first thread set holder

25a, 25b first thread set

26 threaded collar

27 waistband

28 opening lower part

29 clamping strap

30 inner diameter of the head part

31 outer diameter of the foot part Inner diameter of the foot part

first attachment area

second attachment area

Headboard height

footboard

Sleeve head part

Hülsenfußteil

smaller inner diameter of the sleeve head part

Sleeve head height

smaller outer diameter of the sleeve foot part

Hülsenfußteilhöhe

Sleeve-rise

shims

Thread block federal system

Thread block Bund

Mounting area plant

first mark

second mark

Claims

claims

Cell frame (10) configured for receiving at least one electrochemical, preferably flat configured cell (1) of a battery, in particular designed for use in motor vehicles battery, wherein in corner regions of the cell frame (10) each have a substantially circular Zugankerdurchführung (15) substantially perpendicular is arranged to the base surface of the cell frame (10) for guiding a tie rod, characterized in that in the tie rod feedthroughs (15) has a peripheral projection (20) having sleeve (18) is introduced and that the Zugankerdurchführungen (15) an inner circumferential bearing surface ( 19), wherein the inner circumferential bearing surface (19) in the tie rod passage (15) for abutment of the circumferential projection (20) of the sleeve (18) is configured and arranged.

Cell frame (10) according to claim 1, characterized in that in the four corner regions of the cell frame (10) each have a substantially circular Zugankerdurchführung (15) is arranged perpendicular to the base surface of the cell frame (10) for guiding a tie rod

Cell frame (10) according to claim 1 or 2, characterized in that the Zugankerdurchführungen (15) have an upper circumferential bearing surface (16), wherein the upper circumferential bearing surface (16) for mounting a collar (17) of a sleeve (18) configured and is arranged.

4. cell frame (10) according to claim 3, characterized in that the collar (17) of the sleeve (18) for spacing parallel juxtaposed cell frame (10) is configured.

5. cell frame (10) according to one of claims 1 to 4, characterized in that the sleeve (18) has a head part (21) with an inner diameter (30) and from the cell frame (10) protruding foot part (22) an outer diameter (31), wherein the outer diameter (31) of the foot part (22) for abutment with the inner diameter (30) of the head part (21) is configured.

6. cell frame (10) according to one of claims 1 to 5, characterized in that the Zugankerdurchführungen (15) each have an opening upper part (23) with an inner diameter and from a base of the cell frame (10) outstanding opening bottom part (28) having an outer diameter wherein the inner diameter of the opening upper part (23) is adapted to the outer diameter of the opening lower part (28) such that the opening lower part (28) of the cell frame (10) in the opening upper part (23) of an adjacently arranged cell frame (10) can be introduced.

7. cell frame (10) according to claim 6, characterized in that the opening lower part (28) is designed substantially cylindrical.

8. cell frame (10) according to claim 6, characterized in that the opening lower part (28) is configured substantially conical.

9. cell frame (10) according to one of claims 1 to 8, characterized in that the cell frame (10) a first frame part (1 1), in particular a frame top part and a second frame part (12), in particular has a special frame lower part, and that the electrochemical cell (1) has at least one flat edge region (2) and that the frame upper part (11) and the frame lower part (12) are configured to the flat edge region (2) of the electrochemical cell (1) hold.

Cell frame (10) according to claim 9, characterized in that the Zugankerdurchführungen (15) in the frame upper part (1 1) are arranged.

11. cell frame (10) according to claim 9, characterized in that the Zugankerdurchführungen (15) in the frame lower part (12) are arranged.

12. cell frame (10) according to one of claims 1 to 1 1, characterized in that the sleeve (18) is designed as a press-fit, in particular as a press-fit sleeve of a metal or a metallic alloy.

13. cell frame (10) according to one of claims 1 to 12, characterized in that the electrochemical cell (1) at least a first Abieiter (3) and at least a second Abieiter (4) and that the first Abieiter (3) in a first attachment region (33), which rests against an outer side of the cell frame (10), has at least one first attachment opening (5) for carrying out a first attachment means, which is designed to fasten the first arrestor (3) and which is connected to one in the cell frame (FIG. 10) arranged first counterpart (23) is connected.

14. Cell frame (10) according to claim 13, characterized in that the first counterpart (23) arranged as one in the cell frame (10) first threaded insert receptacle (24a, 24b) with a first threaded insert (25a, 25b) is formed.

Cell frame (10) according to claim 14, characterized in that the first threaded insert receptacle (24a) and the first threaded insert (25a) are configured conical.

Cell frame (10) according to claim 14 or 15, characterized in that the first threaded insert receiving a collar support and the first threaded insert has a collar.

Cell frame (10) according to claim 14, characterized in that the first threaded insert receptacle (24b) is substantially cylindrical with a collar support (26) and that the first threaded insert (25b) is substantially cylindrical with a collar (27).

A cell frame (10) according to any one of claims 13 to 17, characterized in that the attachment region (33) of the first Abieiters (3) is arranged such that the first Abieiter (3) is connected to first counterparts of an adjacently arranged cell frame.

A cell frame (10) according to any one of claims 13 to 18, characterized in that three first attachment openings (5) are arranged on the first abieiter (3) in the first attachment region (33) such that both a attachment opening distance between adjacently arranged first attachment openings (33). 5) as well as mounting opening side distances between the non-centrally located first mounting openings (5) and the first opening fastening opening (5) next to the longitudinal side of the first Abieiters (3) are substantially equal.

20. cell frame (10) according to any one of claims 13 to 19, characterized in that the first attachment opening (5) is configured substantially circular, in particular as a round hole.

21, cell frame (10) according to any one of claims 13 to 19, characterized in that the first attachment opening (5) is substantially oval-shaped, in particular designed as a slot.

22. Cell frame (10) according to any one of claims 13 to 21, characterized in that the second Abieiter (4) in a second attachment region (34) which bears against an outer side of the cell frame (10), at least one second attachment opening (6) for carrying out a second fastening means, which is designed for fastening the second Abieiters (4) and which is connected to a in the cell frame (10) arranged second counterpart.

23. cell frame (10) according to claim 22, characterized in that the second counterpart as a in the cell frame (10) arranged second threaded insert receptacle is formed with a second threaded insert.

24. cell frame (10) according to claim 23, characterized in that the second threaded insert receptacle and the second threaded insert are configured conical. Cell frame (10) according to any one of claims 23 or 24, characterized in that the second threaded insert receiving a collar support and the second threaded insert has a collar.

Cell frame (10) according to claim 23, characterized in that the second threaded insert receptacle is designed substantially cylindrical with a collar support and that the second threaded insert is designed substantially cylindrical with a collar.

Cell frame (10) according to any one of claims 22 to 26, characterized in that the second attachment opening (6) is configured substantially circular, in particular as a round hole.

Cell frame (10) according to one of claims 22 to 26, characterized in that the second attachment opening (6) is substantially oval-shaped, in particular designed as a slot.

Cell frame (10) according to any one of claims 22 to 28, characterized in that on the second Abieiter (4) in the second attachment region (34) three second attachment openings (7) are arranged such that both a Befestigungsöffnungsabstand between adjacent second attachment openings ( 7) as well as fastening opening side distances between the non-centrally disposed second attachment openings (7) and the second attachment openings (7) next longitudinal side of the second Abieiters (4) are substantially equal.

30. Cell frame (10) according to claim 29 as a function of claim 22, characterized in that arranged on the first attachment region (33) of the first Abieiter (3) at least a first mark (48) is and preferably at the second attachment portion (34) of the second Abieiters (4), a second mark (49) is arranged.

Cell frame (10) according to claim 30, characterized in that the first marking on the first fastening region (33) as a respective bulge (48) at the two outer first mounting holes (5) is formed in the direction of the side edges and that the second mark on the second fastening region (34) is formed at the two outer second fastening openings (6) as in each case an additional, in particular circular, opening (49) arranged in the direction of the side edges.

Cell frame (10) according to claim 30, characterized in that the first marking on the first attachment portion (33) as each one additional in the direction of the side edges arranged, in particular circular opening is formed and that the second mark on the second attachment portion (34) at the two outer second attachment openings (6) are each designed as a bulge in the two outer second attachment openings (6) in the direction of the side edges.

A cell frame (10) according to any one of claims 22 to 32, characterized in that the second attachment region (33) of the second abieiter (4) is arranged such that the second abdomen (4) is connected to second counterparts of an adjacently arranged cell frame.

Cell frame (10) according to one of claims 13 to 33 as dependent on claim 9, characterized in that the first counterpart (23) and the second counterpart are arranged in the frame lower part (12).

35 cell frame (10) according to any one of claims 13 to 34 as a function of claim 9, characterized in that the frame upper part (1 1) and the frame lower part (12) are configured, a passage for the first Abieiter (3) and for the second Abieiter (4) to provide.

36 cell frame (10) one of claims 13 to 35, characterized by at least one Ableiterhaltevorrichtung for the first Abieiter (3) and / or for the second Abieiter (4).

37 cell frame (10) according to claim 36, characterized in that the Ableiterhaltevorrichtung is designed as an arrangement in which the frame upper part (1 1) at least a first Abieiterandruckelement for the first Abieiter (3), in particular a first Andrucklasche (13) for the first Abieiter (3).

38 cell frame (10) according to claim 37 as a function of 19, characterized in that on the frame upper part (1 1) two first Andrucklaschen (13) are arranged such that both a Andrucklaschen- distance between the two first Andrucklaschen (13) and pressure - Laschenseitenabstände between each one of the first Andrucklaschen (13) and the respective first Andrucklasche (13) next longitudinal side of the first Abieiters (3) are substantially equal.

39. Cell frame (10) according to claim 37 or 38, characterized in that the frame lower part (12) has a first bearing surface, on which the at least one first pressure lug (13) presses the first arrester (3).

Cell frame (10) according to claim 36, characterized in that the Ableiterhaltevorrichtung is designed as an arrangement in which the frame lower part (12) at least a first Ableitenderuckelement for the first arrester (3), in particular a first Andrucklasche (13) for the first arrester (3).

Cell frame (10) according to claim 40 as a function of claim 19, characterized in that on the frame lower part (12) two first pressure plates (13) are arranged such that both a Andrucklaschenseitenabstände between a first Andrucklaschenseitenabstände between each one of the first

Andrucklaschen (13) and of the respective first Andrucklasche (13) next longitudinal side of the first Abieiters (3) are substantially equal.

Cell frame (10) according to claim 40 or 41, characterized in that the frame upper part (1 1) has a first abutment surface on which the first arrester pressing element (13) presses the first arrester (3).

Cell frame (10) according to one of claims 37 to 42, characterized in that the frame upper part (11) has at least one second Ableitende pressure element for the second arrester (4), in particular a second Andrucklasche (14) for the second arrester (4).

Cell frame (10) according to claim 43 as a function of claim 29, characterized in that on the frame upper part (1 1) two second pressure plates (14) are arranged such that both a pressure Tab spacing between the two second pressure plates (14) and Andrucklaschenseitenabstände between each one of the second pressure plates (14) and the second pressure tab (14) next longitudinal side of the second Abieiters (4) are substantially equal.

Cell frame (10) according to claim 43 or 44, characterized in that the frame lower part (12) has a second abutment surface on which the second arrester pressing element (14) presses the second Abieiter (4).

Cell frame (10) according to any one of claims 37 to 42, characterized in that the frame lower part (12) at least a second Ableitende pressure element for the second Abieiter (4), in particular a second Andrücklasche (14) for the second Abieiter (4).

Cell frame (10) according to claim 46 as a function of claim 29, characterized in that on the frame lower part (12) two second pressure plates (14) are arranged such that both a pressure-lug spacing between the two second pressure plates (14) and Andrucklaschenseitenabstände between in each case one of the second pressure plates (14) and of the respectively second pressure tongue (14) next longitudinal side of the second Abieiters (4) are substantially equal.

Cell frame (10) according to claim 46 or 47, characterized in that the frame upper part (11) has a second abutment surface on which the second arrester pressing element (14) presses the second Abieiter (4).

49. cell frame (10) according to one of claims 9 to 48, characterized in that the frame upper part (1 1) and / or the frame lower part (12) has a cable guide for a signal and / or data line.

50. Cell frame (10) according to claim 49, characterized in that the cable guide has a clamping strap.

51. Cell frame (10) according to any one of claims 9 to 50, characterized in that the frame upper part (1 1) and the frame lower part (12) are adapted to hold the flat edge region (2) of the electrochemical cell (1) by means of frictional engagement

52. Cell frame (10) according to any one of claims 9 to 51, characterized in that the frame upper part (1 1) and the frame lower part (12) are designed to hold the flat edge region (2) of the electrochemical cell (1) by means of positive engagement.

53. Arrangement of cell frame (10) according to one of claims 1 to 52, characterized in that in the cell frame (10) electrochemical

Cells (1) have been added and the cell frame (10) are connected via a Zugankersystem.

54. A battery having a number of electrochemical cells (1) and at least one cell frame (10) according to one of claims 1 to 52 and / or an arrangement of cell frames (10) according to claim 53.