Battery cell connection structure and battery module

Abstract

The utility model discloses a battery cell connection structure and a battery module, the battery cell connection structure comprises a plurality of adjacently arranged battery cells and at least one conductive connection assembly, each battery cell comprises a positive pole and a negative pole, and each conductive connection assembly comprises at least one electric connection layer and at least two insulation film layers, each electric connection layer is at least partially pressed between the two insulating film layers, and at least one electric connection layer is connected with the positive poles and the negative poles of the plurality of battery cells, so that the plurality of battery cells are connected in series or in parallel. The battery module is beneficial to shortening the distance between the battery cells, so that the volume of the battery module is reduced, the energy density of the battery module is increased, the positive and negative electrodes of the battery cells are conveniently connected, and the safety is improved.

Description

Technical Field

[0001] The present application relates to the technical field of battery modules, and in particular to a battery cell connection structure and a battery module. Background Art

[0002] With the rapid development of application fields such as power tools, higher requirements are being placed on the energy density, power output, durability and other performance of battery modules. As a combination of multiple battery cells, the connection structure of the battery module plays a vital role in battery performance and safety. When multiple battery cells are connected together and installed inside a shell, the battery module has high capacity or high voltage, and its high-voltage electrical insulation safety design cannot be ignored. In related technologies, the distance between adjacent battery cells in the battery module is large, which increases the volume of the battery module and makes it inconvenient to connect the positive and negative poles of the battery cells, affecting safety. Utility Model Content

[0003] The embodiments of the present application provide a battery cell connection structure and a battery module, which can help shorten the distance between battery cells, reduce the volume of the battery module, increase the energy density of the battery module, and facilitate the connection of the positive and negative poles of the battery cells, thereby improving safety.

[0004] In a first aspect, an embodiment of the present application provides a battery cell connection structure, which includes: a plurality of adjacently arranged battery cells and at least one conductive connection component, each battery cell includes a positive electrode column and a negative electrode column, each conductive connection component includes at least one electrical connection layer and at least two insulating film layers, each electrical connection layer is at least partially pressed between two insulating film layers, and at least one electrical connection layer is connected to the positive electrode columns and negative electrode columns of multiple battery cells, so that multiple battery cells are connected in series or in parallel.

[0005] In the embodiment of the present application, a conductive connection component is provided to connect the positive and negative poles of multiple battery cells. Each conductive connection component includes at least one electrical connection layer and at least two insulating film layers. At least one electrical connection layer is connected to the positive and negative poles of multiple battery cells, so that multiple battery cells are connected in series or in parallel. This can help shorten the distance between the battery cells, facilitate the connection of the positive and negative poles of the battery cells, ensure that the electrical connection layer is reliably connected to the poles of the battery cells, reduce the volume of the battery module, and help increase the energy density of the battery module. Each electrical connection layer is at least partially pressed between two insulating film layers, which is beneficial to improve safety.

[0006] According to the aforementioned embodiment of the first aspect of the present application, each electrical connection layer includes at least one connector, each connector includes a connecting piece and at least two connecting terminals connected to the connecting piece, the connecting piece is pressed between two insulating film layers, one of the two connecting terminals is used to connect a positive electrode column, and the other is used to connect another negative electrode column, so that the two battery cells are connected in series.

[0007] According to the aforementioned embodiment of the first aspect of the present application, the connector includes a plurality of connection terminals, the plurality of connection terminals being used to connect the positive poles of a plurality of battery cells or the negative poles of a plurality of battery cells, and each connection terminal being bent relative to the connection piece. In the above embodiment, by setting the connection terminal to bend relative to the connection piece, it is convenient to connect the positive poles or negative poles of the battery cells, thereby achieving electrical connection between the battery cells.

[0008] According to the aforementioned embodiment of the first aspect of the present application, the plurality of battery cells include a first row of battery cells, the at least one conductive connection assembly includes a first conductive connection assembly, the first conductive connection assembly is located on one side of the first row of battery cells, and the plurality of battery cells in the first row of battery cells are connected in series or in parallel. In the above embodiment, the plurality of battery cells include the first row of battery cells, and by arranging the conductive connection assembly on the side of the single row of battery cells, the volume of the battery module is reduced, which is conducive to increasing the energy density of the battery module.

[0009] According to the aforementioned embodiment of the first aspect of the present application, the first conductive connection component includes a first insulating film layer, a second insulating film layer, and a first electrical connection layer at least partially pressed between the first insulating film layer and the second insulating film layer, the first electrical connection layer includes at least one first connector, and each first connector connects two adjacent battery cells in the first row of battery cells in series.

[0010] According to the aforementioned embodiment of the first aspect of the present application, the first conductive connection assembly includes a third insulating film layer, a fourth insulating film layer, a fifth insulating film layer, a second electrical connection layer, and a third electrical connection layer. The third insulating film layer, the fourth insulating film layer, and the fifth insulating film layer are arranged in sequence. The second electrical connection layer is at least partially pressed between the third insulating film layer and the fourth insulating film layer. The third electrical connection layer is at least partially pressed between the fourth insulating film layer and the fifth insulating film layer. The fourth insulating film layer insulates the second electrical connection layer from the third electrical connection layer. The second electrical connection layer includes a second connector, which is connected to the positive electrode posts of multiple battery cells in the first row of battery cells. The third electrical connection layer includes a third connector, which is connected to the negative electrode posts of multiple battery cells in the first row of battery cells, so that the multiple battery cells in the first row of battery cells are connected in parallel. In the above embodiment, by arranging the third insulating film layer, the fourth insulating film layer, and the fifth insulating film layer in sequence, the second electrical connection layer is at least partially pressed between the third insulating film layer and the fourth insulating film layer, and the third electrical connection layer is at least partially pressed between the fourth insulating film layer and the fifth insulating film layer, it is convenient to connect the conductive connection component with the first row of battery cells.

[0011] According to the aforementioned embodiment of the first aspect of the present application, the plurality of battery cells include a second row of battery cells and a third row of battery cells arranged adjacent to each other side by side, and at least one conductive connection component includes a second conductive connection component, which is located between the second row of battery cells and the third row of battery cells, and connects the plurality of battery cells in the second row of battery cells and the third row of battery cells in series or in parallel.

[0012] According to the aforementioned embodiment of the first aspect of the present application, the second conductive connection component includes a sixth insulating film layer, a seventh insulating film layer, an eighth insulating film layer, a fourth electrical connection layer, and a fifth electrical connection layer. The sixth insulating film layer, the seventh insulating film layer, and the eighth insulating film layer are arranged in sequence. The fourth electrical connection layer is at least partially pressed between the sixth insulating film layer and the seventh insulating film layer, the fifth electrical connection layer is at least partially pressed between the seventh insulating film layer and the eighth insulating film layer, and the seventh insulating film layer insulates the fourth electrical connection layer from the fifth electrical connection layer. The fourth electrical connection layer includes at least one fourth connector, each fourth connector connects two adjacent cells in the second row of cells in series, and the fifth electrical connection layer includes at least one fifth connector, each fifth connector connects two adjacent cells in the third row of cells in series. In the above embodiment, by arranging the sixth insulating film layer, the seventh insulating film layer, and the eighth insulating film layer in sequence, the fourth electrical connection layer is at least partially pressed between the sixth insulating film layer and the seventh insulating film layer, and the third electrical connection layer is at least partially pressed between the seventh insulating film layer and the eighth insulating film layer, so as to facilitate the connection of the conductive connection component to the second row of cells and the third row of cells.

[0013] In a second aspect, an embodiment of the present application provides a battery module, which includes a cell connection structure according to any of the aforementioned embodiments of the first aspect of the present application.

[0014] The embodiment of the present application provides a cell connection structure in the battery module, and a conductive connection component is provided in the cell connection structure to connect the poles of multiple cell connections. Each conductive connection component includes at least one electrical connection layer and at least two insulating film layers. At least one electrical connection layer is connected to the poles of multiple cell connections, so that multiple cell connections are connected in series or in parallel, which can help shorten the distance between the cell connections, facilitate the connection of the positive pole and the negative pole of the cell, ensure that the electrical connection layer is reliably connected to the pole of the cell, reduce the volume of the battery module, and help increase the energy density of the battery module. Each electrical connection layer is at least partially pressed between the two insulating film layers, which helps improve safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of an embodiment of the battery cell connection structure of the present application;

[0016] Figure 2 for Figure 1 Schematic diagram of the structure of the conductive connection component;

[0017] Figure 3 This is a structural diagram of another embodiment of the battery cell connection structure of the present application;

[0018] Figure 4 for Figure 3 Schematic diagram of the structure of the conductive connection component;

[0019] Figure 5 This is a structural diagram of another embodiment of the battery cell connection structure of the present application;

[0020] Figure 6 for Figure 5 Schematic diagram of the structure of the conductive connection component.

[0021] Description of Figure Numbers:

[0022] First row of battery cells - 100, first conductive connection assembly - 200, second row of battery cells - 300, third row of battery cells - 400, second conductive connection assembly - 500;

[0023] a first insulating film layer 210, a second insulating film layer 220, a first electrical connection layer 230, a third insulating film layer 240, a fourth insulating film layer 250, a fifth insulating film layer 260, a second electrical connection layer 270, a third electrical connection layer 280, a sixth insulating film layer 510, a seventh insulating film layer 520, an eighth insulating film layer 530, a fourth electrical connection layer 540, and a fifth electrical connection layer 550;

[0024] First connecting piece 231, second connecting piece 271, third connecting piece 281, fourth connecting piece 541, fifth connecting piece 551;

[0025] First connecting piece 2311, first connecting terminal 2312, second connecting piece 2711, second connecting terminal 2712, third connecting piece 2811, third connecting terminal 2812, fourth connecting piece 5411, fourth connecting terminal 5412, fifth connecting piece 5511, fifth connecting terminal 5512;

[0026] Positive pole-S1, negative pole-S2. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0028] It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0029] In addition, the descriptions of "first", "second", etc. in this application are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0030] The embodiments of the present application provide a battery cell connection structure and a battery module, which can help shorten the distance between battery cells, reduce the volume of the battery module, increase the energy density of the battery module, and facilitate the connection of the positive and negative poles of the battery cells, thereby improving safety.

[0031] like Figures 1 to 6 As shown, an embodiment of the present application provides a battery cell connection structure, which includes: a plurality of adjacently arranged battery cells and at least one conductive connection component, each battery cell includes a positive electrode column S1 and a negative electrode column S2, and the conductive connection component connects the positive electrode column S1 and the negative electrode column S2 of two adjacent battery cells.

[0032] like Figure 1 、 Figure 3 、 Figure 5 As shown, in some embodiments of the present application, multiple adjacent battery cells are arranged at the same height and arranged in a row. In other embodiments, multiple adjacent battery cells are arranged at different heights, so that they are staggered and arranged adjacently, and the conductive connection assembly connects the positive electrode column S1 and the negative electrode column S2 of two adjacent battery cells.

[0033] like Figure 2 、 Figure 4 、 Figure 6 As shown, each conductive connection assembly includes at least one electrical connection layer and at least two insulating film layers. At least one electrical connection layer is connected to the positive electrode posts S1 and negative electrode posts S2 of multiple battery cells, allowing multiple battery cells to be connected in series or in parallel. The insulating film layer insulates and separates adjacent electrical connection layers to improve the electrical safety of the conductive connection assembly.

[0034] like Figures 1 to 6 As shown, each electrical connection layer includes at least one connector, each connector includes a connecting piece and at least two connecting terminals connected to the connecting piece, the connecting piece is pressed between two insulating film layers, one of the two connecting terminals is used to connect a positive electrode column S1, and the other is used to connect another negative electrode column S2, so that the two battery cells are connected in series.

[0035] like Figures 1 to 2 as well as Figures 5 and 6As shown, in some embodiments, the connector includes two connection terminals, one of which is used to connect the positive electrode S1 of one battery cell, and the other is used to connect the negative electrode S2 of another battery cell, so that the two battery cells are connected in series. Figures 3 and 4 As shown, in other embodiments, the connecting piece includes multiple connecting terminals, and the multiple connecting terminals are used to connect the positive electrode posts S1 of multiple battery cells or connect the negative electrode posts S2 of multiple battery cells. Each connecting terminal is bent relative to the connecting piece toward the side where the battery cell is located. By setting the connecting terminal to bend toward the side where the battery cell is located relative to the connecting piece, it is convenient to connect the connecting terminal to the positive electrode post S1 or the negative electrode post S2 of the battery cell, thereby achieving electrical connection between the battery cells.

[0036] In the embodiment of the present application, a conductive connection component is provided to connect the positive electrode column S1 and the negative electrode column S2 of multiple battery cells. Each conductive connection component includes at least one electrical connection layer and at least two insulating film layers. At least one electrical connection layer is connected to the electrodes of multiple battery cells, so that multiple battery cells are connected in series or in parallel. This can help shorten the distance between the battery cells, facilitate the connection of the positive electrode column S1 and the negative electrode column S2 of the battery cells, ensure that the electrical connection layer is reliably connected to the electrodes of the battery cells, reduce the volume of the battery module, and help increase the energy density of the battery module.

[0037] By providing at least one connector in each electrical connection layer, each connector includes a connecting piece and at least two connecting terminals connected to the connecting piece, and the connecting piece is pressed between two insulating film layers, it helps improve safety. At least one electrical connection layer in the conductive connection assembly is connected to the poles of multiple battery cells, allowing multiple battery cells to be connected in series or parallel, which helps to increase the design flexibility of the battery module.

[0038] like Figures 1 to 4 As shown, in some embodiments, the cell connection structure includes a first row of cells 100 and a first conductive connection assembly 200. The first row of cells 100 includes multiple adjacent cells arranged at the same height. The first conductive connection assembly 200 is located on one side of the first row of cells 100 and connects the multiple cells in the first row of cells 100 in series or in parallel. By arranging the conductive connection assembly on the side of the first row of cells 100, the volume of the battery module is reduced, which is conducive to increasing the energy density of the battery module.

[0039] like Figures 1 to 2 As shown, in one embodiment, the first conductive connection component 200 includes a first insulating film layer 210, a second insulating film layer 220, and a first electrical connection layer 230 at least partially pressed between the first insulating film layer 210 and the second insulating film layer 220. The first electrical connection layer 230 includes at least one first connection member 231. Figure 1 As shown, each first connector 231 connects two adjacent cells in the first row of cells 100 in series. Figure 2As shown, each first connection member 231 includes a first connection piece 2311 and two first connection terminals 2312 connected to the first connection piece 2311 . The first connection piece 2311 is pressed between the first insulation film layer 210 and the second insulation film layer 220 .

[0040] like Figure 1 As shown, in the first row of battery cells 100, one of the two first connecting terminals 2312 is used to connect the positive electrode column S1 of one battery cell and the negative electrode column S2 of the other battery cell in two adjacent battery cells, and the other of the two first connecting terminals 2312 is used to connect the negative electrode column S2 of one battery cell and the positive electrode column S1 of the other battery cell in two adjacent battery cells. The multiple first connecting members 231 in the first electrical connection layer 230 are arranged in sequence, and the first connecting terminals 2312 connect the positive electrode column S1 and the negative electrode column S2 of the multiple battery cells in sequence to connect the multiple adjacent battery cells in the first row of battery cells 100 in series.

[0041] In the above embodiment, a first conductive connection component 200 is provided on one side of the first row of battery cells 100, the first conductive connection component 200 includes a first insulating film layer 210, a second insulating film layer 220 and a first electrical connection layer 230, the first electrical connection layer 230 includes at least one first connector 231, each first connector 231 includes a first connecting piece 2311 and two first connecting terminals 2312 connected to the first connecting piece 2311, the first connecting piece 2311 is pressed between the first insulating film layer 210 and the second insulating film layer 220, which can help shorten the distance between the battery cells, facilitate the connection of the positive electrode column S1 and the negative electrode column S2 of the battery cell, ensure that the first electrical connection layer 230 is reliably connected to the positive electrode column S1 and the negative electrode column S2 of the first row of battery cells 100, thereby reducing the volume of the battery module, increasing the energy density of the battery module, and improving the safety and design flexibility of the battery module.

[0042] like Figures 3 and 4 As shown, in another embodiment, the battery cell connection structure includes a first row of battery cells 100 and a first conductive connection component 200, the first conductive connection component 200 includes a third insulating film layer 240, a fourth insulating film layer 250, a fifth insulating film layer 260, a second electrical connection layer 270, and a third electrical connection layer 280, the third insulating film layer 240, the fourth insulating film layer 250, and the fifth insulating film layer 260 are arranged in sequence, and the fourth insulating film layer 250 insulates the second electrical connection layer 270 from the third electrical connection layer 280.

[0043] like Figure 4As shown, the second electrical connection layer 270 includes a second connector 271, and the third electrical connection layer 280 includes a third connector 281. The second connector 271 is connected to the positive electrode posts S1 of multiple battery cells in the first row of battery cells 100, and the third connector 281 is connected to the negative electrode posts S2 of multiple battery cells in the first row of battery cells 100, so that the multiple battery cells in the first row of battery cells 100 are connected in parallel.

[0044] like Figure 4 As shown, the second connector 271 includes a second connecting piece 2711 and three second connecting terminals 2712 connected to the second connecting piece 2711. The second connecting piece 2711 is pressed between the third insulating film layer 240 and the fourth insulating film layer 250. The second connecting terminals 2712 are used to connect to the positive electrode posts S1 of multiple battery cells. The second connecting terminals 2712 are bent relative to the second connecting piece 2711 toward the side where the first row of battery cells 100 are located. The third connector 281 includes a third connecting piece 2811 and three third connecting terminals 2812 connected to the third connecting piece 2811. The third connecting piece 2811 is pressed between the fourth insulating film layer 250 and the fifth insulating film layer 260. The third connecting terminals 2812 are used to connect to the negative electrode posts S2 of multiple battery cells. The third connecting terminals 2812 are bent relative to the third connecting piece 2811 toward the side where the first row of battery cells 100 are located.

[0045] In the above-mentioned another embodiment, by arranging the third insulating film layer 240, the fourth insulating film layer 250, and the fifth insulating film layer 260 in sequence, the second connecting piece 2711 is pressed between the third insulating film layer 240 and the fourth insulating film layer 250, and the third electrical connection layer 280 is at least partially pressed between the fourth insulating film layer 250 and the fifth insulating film layer 260, it can be beneficial to shorten the distance between the battery cells, facilitate the connection between the first conductive connection component 200 and the first row of battery cells 100, ensure that the first electrical connection layer 230 is reliably connected to the positive electrode column S1 and the negative electrode column S2 of multiple battery cells in the first row of battery cells 100, so that the volume of the battery module is reduced, which is beneficial to increase the energy density of the battery module, and is beneficial to improve the safety and design flexibility of the battery module.

[0046] like Figures 5 and 6 As shown, in another embodiment, the battery cell connection structure includes a second row of battery cells 300, a third row of battery cells 400 and a second conductive connection component 500 arranged adjacent to each other. The second row of battery cells 300 and the third row of battery cells 400 respectively include a plurality of battery cells arranged at the same height and adjacent to each other. The second conductive connection component 500 is located between the second row of battery cells 300 and the third row of battery cells 400, and connects the plurality of battery cells in the second row of battery cells 300 and the third row of battery cells 400 in series or in parallel.

[0047] like Figure 6As shown, the second conductive connection component 500 includes a sixth insulating film layer 510, a seventh insulating film layer 520, an eighth insulating film layer 530, a fourth electrical connection layer 540, and a fifth electrical connection layer 550. The sixth insulating film layer 510, the seventh insulating film layer 520, and the eighth insulating film layer 530 are arranged in sequence, and the seventh insulating film layer 520 insulates the fourth electrical connection layer 540 and the fifth electrical connection layer 550.

[0048] like Figure 6 As shown, the fourth electrical connection layer 540 includes at least one fourth connector 541, each fourth connector 541 connects two adjacent cells in the second row of cells 300 in series, each fourth connector 541 includes a fourth connecting piece 5411 and two fourth connecting terminals 5412 connected to the fourth connecting piece 5411, and the fourth connecting piece 5411 is pressed between the sixth insulating film layer 510 and the seventh insulating film layer 520. The fifth electrical connection layer 550 includes at least one fifth connector 551, as shown Figure 5 As shown, each fifth connector 551 connects two adjacent cells in the third row of cells 400 in series. Each fifth connector 551 includes a fifth connecting piece 5511 and two fifth connecting terminals 5512 connected to the fifth connecting piece 5511. The fifth connecting piece 5511 is pressed between the seventh insulating film layer 520 and the eighth insulating film layer 530.

[0049] In the above-mentioned further embodiment, by arranging the sixth insulating film layer 510, the seventh insulating film layer 520, and the eighth insulating film layer 530 in sequence, the fourth connecting piece 5411 is pressed between the sixth insulating film layer 510 and the seventh insulating film layer 520, and the fifth connecting piece 5511 is pressed between the seventh insulating film layer 520 and the eighth insulating film layer 530, it can be helpful to shorten the distance between the battery cells, facilitate the connection between the second conductive connection component 500 and the second row of battery cells 300 and the third row of battery cells 400, ensure that the fourth electrical connection layer 540, the fifth electrical connection layer 550 and the positive electrode column S1 and the negative electrode column S2 of multiple battery cells in the second row of battery cells 300 and the third row of battery cells 400 are reliably connected, so that the volume of the battery module is reduced, which is beneficial to increase the energy density of the battery module, and is beneficial to improve the safety and design flexibility of the battery module.

[0050] An embodiment of the present application further provides a battery module, which includes the battery cell connection structure of any of the aforementioned embodiments.

[0051] like Figures 1 to 6 As shown, the cell connection structure includes: a plurality of adjacently arranged cells and at least one conductive connection component, each cell includes a positive electrode column S1 and a negative electrode column S2. Figure 1 、 Figure 3 、 Figure 5As shown, in some embodiments of the present application, multiple adjacent cells are arranged at the same height and arranged in a row. In other embodiments, the arrangement heights of multiple adjacent cells are inconsistent, so that they are arranged in an adjacent staggered manner, and the conductive connection component connects the positive electrode column S1 and the negative electrode column S2 of two adjacent cells. Figure 2 、 Figure 4 、 Figure 6 As shown, each conductive connection assembly includes at least one electrical connection layer and at least two insulating film layers. At least one electrical connection layer is connected to the positive electrode posts S1 and negative electrode posts S2 of multiple battery cells, allowing multiple battery cells to be connected in series or in parallel. The insulating film layer insulates and separates adjacent electrical connection layers to improve the electrical safety of the conductive connection assembly.

[0052] In the embodiment of the present application, a cell connection structure is provided in the battery module, and a conductive connection component is provided in the cell connection structure to connect the positive electrode columns S1 and the negative electrode columns S2 of multiple cell groups. Each conductive connection component includes at least one electrical connection layer and at least two insulating film layers. At least one electrical connection layer is connected to the positive electrode columns S1 and the negative electrode columns S2 of multiple cell groups, so that multiple cell groups are connected in series or in parallel, which can help shorten the distance between the cell groups and facilitate the connection of the positive electrode columns S1 and the negative electrode columns S2 of the cell groups. It ensures that the electrical connection layer is reliably connected to the positive electrode columns S1 and the negative electrode columns S2 of the cell groups, thereby reducing the volume of the battery module and increasing the energy density of the battery module. Each electrical connection layer is at least partially pressed between the two insulating film layers, which helps improve safety.

[0053] The above description is only a preferred embodiment of the present application and does not limit the patent scope of the present application. All equivalent structural transformations made by using the contents of the present application description and drawings under the inventive concept of the present application, or direct / indirect application in other related technical fields are included in the patent protection scope of the present application.

Claims

1. A battery cell connection structure, characterized in that: The battery cell connection structure includes: A plurality of adjacently arranged battery cells, each of the battery cells comprising a positive electrode column and a negative electrode column; and At least one conductive connection component, each of the conductive connection components includes at least one electrical connection layer and at least two insulating film layers, each electrical connection layer is at least partially pressed between two insulating film layers, and the at least one electrical connection layer is connected to the positive electrode column and the negative electrode column, so that the multiple battery cells are connected in series or in parallel.

2. The battery cell connection structure according to claim 1, wherein: Each layer of the electrical connection layer includes at least one connector, each of the connectors includes a connecting piece and at least two connecting terminals connected to the connecting piece, the connecting piece is pressed between the two layers of the insulating film layers, one of the two connecting terminals is used to connect one of the positive poles, and the other is used to connect the other negative pole, so that the two battery cells are connected in series.

3. The battery cell connection structure according to claim 2, wherein: The connecting piece includes a plurality of connecting terminals, and the plurality of connecting terminals are used to connect the positive poles of the plurality of battery cells or the negative poles of the plurality of battery cells. Each of the connecting terminals is bent relative to the connecting piece.

4. The battery cell connection structure according to claim 1, wherein: The multiple battery cells include a first row of battery cells, and the at least one conductive connection component includes a first conductive connection component, which is located on one side of the first row of battery cells and connects the multiple battery cells in the first row of battery cells in series or in parallel.

5. The battery cell connection structure according to claim 4, wherein: The first conductive connection component includes a first insulating film layer, a second insulating film layer, and a first electrical connection layer at least partially pressed between the first insulating film layer and the second insulating film layer. The first electrical connection layer includes at least one first connector, and each first connector connects two adjacent battery cells in the first row of battery cells in series.

6. The battery cell connection structure according to claim 4, wherein: The first conductive connection component includes a third insulating film layer, a fourth insulating film layer, a fifth insulating film layer, a second electrical connection layer, and a third electrical connection layer, wherein the third insulating film layer, the fourth insulating film layer, and the fifth insulating film layer are arranged in sequence, the second electrical connection layer is at least partially pressed between the third insulating film layer and the fourth insulating film layer, the third electrical connection layer is at least partially pressed between the fourth insulating film layer and the fifth insulating film layer, and the fourth insulating film layer insulates the second electrical connection layer from the third electrical connection layer; The second electrical connection layer includes a second connector, which is connected to the positive poles of multiple battery cells in the first row of battery cells. The third electrical connection layer includes a third connector, which is connected to the negative poles of multiple battery cells in the first row of battery cells, so that the multiple battery cells in the first row of battery cells are connected in parallel.

7. The battery cell connection structure according to claim 1, wherein: The multiple battery cells include a second row of battery cells and a third row of battery cells arranged adjacent to each other side by side, and the at least one conductive connection component includes a second conductive connection component, which is located between the second row of battery cells and the third row of battery cells, and connects the multiple battery cells in the second row of battery cells and the third row of battery cells in series or in parallel.

8. The battery cell connection structure according to claim 7, wherein: The second conductive connection component includes a sixth insulating film layer, a seventh insulating film layer, an eighth insulating film layer, a fourth electrical connection layer, and a fifth electrical connection layer, wherein the sixth insulating film layer, the seventh insulating film layer, and the eighth insulating film layer are arranged in sequence, the fourth electrical connection layer is at least partially pressed between the sixth insulating film layer and the seventh insulating film layer, the fifth electrical connection layer is at least partially pressed between the seventh insulating film layer and the eighth insulating film layer, and the seventh insulating film layer insulates the fourth electrical connection layer from the fifth electrical connection layer; The fourth electrical connection layer includes at least one fourth connector, each of which connects two adjacent battery cells in the second row of battery cells in series. The fifth electrical connection layer includes at least one fifth connector, each of which connects two adjacent battery cells in the third row of battery cells in series.

9. A battery module, characterized in that: The battery module includes the battery cell connection structure according to any one of claims 1 to 8.

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