Battery

Abstract

The utility model discloses a battery which comprises a battery module and a module sampling assembly, the battery module comprises a first battery monomer, the first battery monomer comprises a first shell, two ends of the first shell along a first direction are a first end and a second end respectively, the first end is provided with a first electrode end, and the second end is provided with a second electrode end; the module sampling assembly comprises a BMS, a first electric conductor, a second electric conductor and an electric connecting piece, and the first electric conductor is electrically connected between the first electrode end and the BMS; the second conductor is electrically connected between the second electrode end and the first shell; the electrical connector is electrically connected between the first housing and the BMS. According to the battery provided by the utility model, the second conductor transmits the acquired voltage or temperature of the second electrode end to the electric connecting piece through the first shell, and then the electric connecting piece transmits the acquired voltage or temperature to the BMS, so that single-side acquisition of the battery module can be realized, the length of the module sampling assembly is reduced, and meanwhile, the arrangement space of the module sampling assembly can be saved.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to a battery. Background Art

[0002] In the related art, the battery management system in the battery pack needs to use sampling lines to collect voltage or temperature signals at both ends of the battery module. The sampling lines require a separate protection board to provide them with the required wire slots for layout, and during assembly, the soft sampling lines need to be inserted into the corresponding wire slots one by one. It has many connectors, occupies a large space, has a complex process, and is difficult to assemble. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, one purpose of the utility model is to provide a battery that can realize single-sided sampling of a battery module to reduce the length of the module sampling component and also save the layout space of the module sampling component.

[0004] According to the battery of the embodiment of the utility model, the battery comprises: a battery module, the battery module comprises a first battery cell, the first battery cell comprises a first shell, the two ends of the first shell along the first direction are respectively a first end and a second end, the first end is provided with a first electrode end, and the second end is provided with a second electrode end; a module sampling assembly, the module sampling assembly comprises: a BMS, a first conductor, a second conductor and an electrical connector, the first conductor is electrically connected between the first electrode end and the BMS; the second conductor is electrically connected between the second electrode end and the shell; the electrical connector is electrically connected between the shell and the BMS.

[0005] According to the battery of the embodiment of the utility model, the first conductor is electrically connected between the first electrode terminal and the BMS, and the first conductor is used to transmit the collected voltage or temperature signal of the first electrode terminal to the BMS; the second conductor is electrically connected between the second electrode terminal and the first shell, and the electrical connector is electrically connected between the first shell and the BMS, and the second conductor transmits the collected voltage or temperature of the second electrode terminal to the electrical connector through the first shell, and then transmits it to the BMS through the electrical connector, which can realize single-sided collection of the battery module to reduce the length of the module sampling component, and also can save the layout space of the module sampling component.

[0006] According to some embodiments of the present invention, the BMS is disposed adjacent to the first end.

[0007] According to some embodiments of the present invention, the battery module also includes a second battery cell, the second battery cell includes a second shell, the second shell is provided with the second electrode terminal at the first end, and the first electrode terminal is provided at the second end, the first battery cell and the second battery cell are each provided with a plurality, and the plurality of the first battery cells and the plurality of the second battery cells are staggered along the second direction; the battery module also includes a plurality of first bus bars and a plurality of second bus bars, the first bus bar is electrically connected between the first electrode terminal of the first battery cell and the second electrode terminal of the second battery cell, and the second bus bar is electrically connected between the first electrode terminal of the second battery cell and the second electrode terminal of the first battery cell, so that the plurality of the first battery cells and the plurality of the second battery cells are connected in series or in parallel; wherein the first conductor is connected between the first bus bar and the BMS; the second conductor is connected between the second bus bar and the second shell; the second direction is perpendicular to the first direction.

[0008] According to some embodiments of the present utility model, the module sampling assembly further includes: a third conductor, part of the first electrode end or the second electrode end located at the second end is electrically connected to the BMS through the second conductor, the shell and the electrical connector, and part of the first electrode end or the second electrode end located at the second end is electrically connected to the BMS through the third conductor.

[0009] According to some embodiments of the present utility model, the first conductor includes a first collection sheet and a first wiring harness, the first collection sheet is electrically connected to the first bus, and the first wiring harness is electrically connected between the first collection sheet and the BMS; and / or, the second conductor includes a second collection sheet, the second collection sheet is electrically connected between the second bus and the second shell; and / or, the electrical connector includes a third collection sheet and a second wiring harness, the third collection sheet is electrically connected to the second shell, and the second wiring harness is electrically connected between the third collection sheet and the BMS.

[0010] According to some embodiments of the present invention, the first wiring harness is detachably plugged into the BMS; and / or the second wiring harness is detachably plugged into the BMS.

[0011] According to some embodiments of the present invention, the first collecting piece and the third collecting piece are both located at the first end and are alternately arranged along the second direction.

[0012] According to some embodiments of the present invention, the second collecting sheet includes a first sub-collecting sheet, a second sub-collecting sheet and a third sub-collecting sheet, the second sub-collecting sheet is connected between the first sub-collecting sheet and the third sub-collecting sheet, the first sub-collecting sheet and the third sub-collecting sheet are arranged in parallel, and the first sub-collecting sheet is fixedly connected to the second bus, and the third sub-collecting sheet is fixedly connected to the second shell.

[0013] According to some embodiments of the present utility model, the third collecting sheet includes a fourth sub-collecting sheet, a fifth sub-collecting sheet and a sixth sub-collecting sheet, the fifth sub-collecting sheet is connected between the fourth sub-collecting sheet and the sixth sub-collecting sheet, and the fourth sub-collecting sheet is arranged in parallel with the sixth sub-collecting sheet, the fourth sub-collecting sheet is separated from the first bus, and the sixth sub-collecting sheet is fixedly connected to the second shell.

[0014] According to some embodiments of the utility model, an insulating glue is provided at a fixed connection between the first collecting piece and the first bus; the insulating glue is provided at a fixed connection between the second collecting piece and the second bus; the insulating glue is provided at a fixed connection between the second collecting piece and the second shell; and the insulating glue is provided at a fixed connection between the third collecting piece and the second shell.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 is a schematic diagram of a battery according to some embodiments of the present utility model;

[0018] Figure 2 yes Figure 1 A schematic diagram of another direction of the battery;

[0019] Figure 3 yes Figure 1 A schematic diagram of another direction of the battery;

[0020] Figure 4 yes Figure 1 Schematic diagram of another direction of the battery.

[0021] Reference numerals:

[0022] 100. Battery;

[0023] 10. Battery module; 11. First battery cell; 111. First housing; 12. Second battery cell; 121. Second housing; 13. First end; 14. Second end; 15. First bus bar; 16. Second bus bar; 17. Explosion-proof valve;

[0024] 20. Module sampling assembly; 2. BMS; 3. First conductor; 31. First acquisition sheet; 32. First wiring harness; 4. Second conductor; 41. Second acquisition sheet; 411. First sub-acquisition sheet; 412. Second sub-acquisition sheet; 413. Third sub-acquisition sheet; 5. Electrical connector; 51. Third acquisition sheet; 511. Fourth sub-acquisition sheet; 512. Fifth sub-acquisition sheet; 513. Sixth sub-acquisition sheet; 52. Second wiring harness; 6. Third conductor; 61. Fourth acquisition sheet; 62. Third wiring harness. DETAILED DESCRIPTION

[0025] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0026] In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0027] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] Reference below Figure 1-Figure 4 A battery 100 according to an embodiment of the present invention is described.

[0029] The battery 100 according to the embodiment of the utility model includes a battery module 10 and a module sampling component 20, and the module sampling component 20 is used to collect the voltage and temperature of the battery module 10. The battery module 10 includes a first battery cell 11, and the first battery cell 11 includes a first shell 111. The first shell 111 has a first direction (for example, referring to Figure 1 The two ends of the battery pack 11 (in the e1 direction shown in the figure) are respectively a first end 13 and a second end 14, the first end 13 is provided with a first electrode end, the first electrode end can be the positive end of the first battery cell 11, and the second end 14 is provided with a second electrode end, the second electrode end can be the negative end of the first battery cell 11.

[0030] The module sampling assembly 20 includes: BMS2, a first conductor 3, a second conductor 4 and an electrical connector 5. BMS2 is a battery management system unit. BMS2 can be placed on one side of the battery module 10. BMS2 is used to process the acquired voltage and temperature of the first battery cell 11.

[0031] The first conductor 3 is electrically connected between the first electrode terminal and the BMS 2 , and is used to transmit the collected voltage or temperature signal of the first electrode terminal to the BMS 2 .

[0032] The second conductor 4 is electrically connected between the second electrode terminal and the first shell 111, and the electrical connector 5 is electrically connected between the first shell 111 and the BMS 2. The second conductor 4 can be used to collect the voltage or temperature of the second electrode terminal. The second conductor 4 is used to transfer the collected voltage or temperature to the electrical connector 5 through the first shell 111, and then to the BMS 2 through the electrical connector 5, which can realize the single-side collection of the battery module 10, so as to reduce the length of the module sampling component 20, and also save the layout space of the module sampling component 20.

[0033] According to the battery 100 of the embodiment of the utility model, the first conductor 3 is electrically connected between the first electrode terminal and the BMS2, and the first conductor 3 is used to transmit the collected voltage or temperature signal of the first electrode terminal to the BMS2; the second conductor 4 is electrically connected between the second electrode terminal and the first shell 111, and the electrical connector 5 is electrically connected between the first shell 111 and the BMS2. The second conductor 4 transmits the collected voltage or temperature of the second electrode terminal to the electrical connector 5 through the first shell 111, and then transmits it to the BMS2 through the electrical connector 5, which can realize the single-sided collection of the battery module 10, so as to reduce the length of the module sampling assembly 20, and also can save the layout space of the module sampling assembly 20.

[0034] According to some embodiments of the present invention, referring to Figure 1-Figure 4 , the first conductor 3 and the electrical connector 5 are both located at the first end 13 of the first battery cell 11, and the first electrode terminal is also located at the first end 13 of the first battery cell 11. The BMS 2 is arranged adjacent to the first end 13, which can reduce the length of the first conductor 3 and the electrical connector 5, thereby reducing the cost of the module sampling assembly 20. For example, the BMS 2 can be fixed to the battery module 10 along the third direction (for example, referring to Figure 1 One side of the e3 direction shown in .

[0035] According to some embodiments of the present invention, referring to Figure 1-Figure 4 The battery module 10 further includes a second battery cell 12, the second battery cell 12 includes a second housing 121, the second housing 121 is provided with a second electrode terminal at the first end 13, and a first electrode terminal at the second end 14, the first battery cell 11 and the second battery cell 12 are both provided with a plurality of first battery cells 11 and a plurality of second battery cells 12 in a second direction (for example, referring to Figure 1 The e2 direction shown in FIG. 2 is arranged in a staggered manner.

[0036] The battery module 10 also includes a plurality of first bus bars 15 and a plurality of second bus bars 16, the first bus bars 15 being electrically connected between the first electrode end of the first battery cell 11 and the second electrode end of the second battery cell 12, and the second bus bars 16 being electrically connected between the first electrode end of the second battery cell 12 and the second electrode end of the first battery cell 11, so that the plurality of first battery cells 11 and the plurality of second battery cells 12 are connected in series or in parallel; the second direction is perpendicular to the first direction.

[0037] Among them, the first conductor 3 is connected between the first bus 15 and the BMS2, the voltage and temperature of the adjacent first battery cell 11 and the second battery cell 12 electrically connected to the first bus 15 are the same, and the first conductor 3 collects the voltage and temperature of the first bus 15, that is, collects the voltage and temperature of the first electrode end of the adjacent first battery cell 11 and the second electrode end of the second battery cell 12.

[0038] The second conductor 4 is connected between the second bus 16 and the second shell 121. The voltage and temperature of the adjacent first battery cell 11 and the second battery cell 12 electrically connected to the second bus 16 are the same. The second conductor 4 collects the voltage and temperature of the second bus 16, that is, collects the voltage and temperature of the second electrode end of the adjacent first battery cell 11 and the first electrode end of the second battery cell 12.

[0039] According to some embodiments of the present invention, referring to Figure 1-Figure 4The module sampling assembly 20 also includes a third conductor 6, and part of the first electrode end or the second electrode end located at the second end 14 is electrically connected to the BMS2 through the second conductor 4, the second shell 121 and the electrical connector 5, and part of the first electrode end or the second electrode end located at the second end 14 is electrically connected to the BMS2 through the third conductor 6.

[0040] In a specific example, when the second busbar 16 electrically connects the adjacent first battery cell 11 and the second battery cell 12, the first battery cell 11 or the second battery cell 12 located at the edge of the battery module 10 is not connected to the second busbar 16, and the voltage and temperature of the battery cell can be directly collected through the third conductor 6; at the same time, the other end of the third conductor 6 is detachably plugged into the BMS2, and the other end of the third conductor 6 can be unplugged from the BMS2. The third conductor 6 includes a fourth collection piece 61 and a third wiring harness 62, the fourth collection piece 61 is connected to the second electrode end of the first battery cell 11, or the fourth collection piece 61 is connected to the first electrode end of the second battery cell 12, and the third wiring harness 62 is connected between the fourth collection piece 61 and the BMS2.

[0041] According to some embodiments of the present invention, referring to Figure 1-Figure 4 The first conductor 3 includes a first collection sheet 31 and a first wire harness 32. The first collection sheet 31 is electrically connected to the first bus 15. The first wire harness 32 is electrically connected between the first collection sheet 31 and the BMS 2, which can facilitate the fixing of the first conductor 3 and the collection of the temperature and voltage of the first bus 15. For example, the first collection sheet 31 can be a nickel sheet, which can be laser welded to the first bus 15, and one end of the first wire harness 32 can be soldered to the nickel sheet.

[0042] The second conductor 4 includes a second collection sheet 41, which is electrically connected between the second bus 16 and the second shell 121, and can facilitate the fixing of the second conductor 4 and the collection of the temperature and voltage of the second electrode end. For example, the second collection sheet 41 can be a nickel sheet, one end of which can be laser welded to the second bus 16, and the other end can be laser welded to the second shell 121 of the second end 14.

[0043] The electrical connector 5 includes a third collection piece 51 and a second wire harness 52. The third collection piece 51 is electrically connected to the second housing 121. The second wire harness 52 is electrically connected between the third collection piece 51 and the BMS2, which can facilitate the fixing of the electrical connector 5 and the collection of the temperature and voltage of the second bus 16. For example, the third collection piece 51 can be a nickel sheet, which can be laser welded to the second housing 121, and one end of the second wire harness 52 can be soldered to the nickel sheet.

[0044] According to some embodiments of the present invention, referring to Figure 1-Figure 4 The first wiring harness 32 is detachably connected to the BMS2; the second wiring harness 52 is detachably connected to the BMS2. When the BMS2 needs to be repaired or maintained, the first wiring harness 32 and the second wiring harness 52 can be unplugged from the BMS2, and the BMS2 can be taken out of the battery 100, which is convenient for the repair or replacement of the BMS2.

[0045] According to some embodiments of the present invention, referring to Figure 1-Figure 4 The first collecting pieces 31 and the third collecting pieces 51 are alternately arranged along the second direction, that is, the first collecting pieces 31 are located on the first battery cell 11, and the third collecting pieces 51 are located on the adjacent second battery cell 12, so that the first shell 111 and the second shell 121 have sufficient arrangement space, which can facilitate the arrangement of the first collecting pieces 31 and the third collecting pieces 51.

[0046] In a specific example, an explosion-proof valve 17 is provided on the second shell 121 at the first end 13 of the first battery cell 11, the first collection piece 31 is located on the first bus 15 of the first battery cell 11 having the explosion-proof valve 17, and the third collection piece 51 is located on the second shell 121 of the second battery cell 12 not provided with the explosion-proof valve 17. The first collection piece 31 and the third collection piece 51 are arranged alternately so that the first collection piece 31 and the third collection piece 51 can be used to avoid the explosion-proof valve 17.

[0047] According to some embodiments of the present invention, referring to Figure 1-Figure 4 The second collection piece 41 includes a first sub-collection piece 411, a second sub-collection piece 412 and a third sub-collection piece 413. The second sub-collection piece 412 is connected between the first sub-collection piece 411 and the third sub-collection piece 413. The first sub-collection piece 411 and the third sub-collection piece 413 are arranged in parallel, and the first sub-collection piece 411 is fixedly connected to the second bus 16, and the third sub-collection piece 413 is fixedly connected to the second shell 121. The second collection piece 41 is constructed as a Z-shaped structure. When the second collection piece 41 is fixed to the second bus 16 and the second shell 121, the tolerance can be effectively absorbed, and the stress generated during the fixed connection can be reduced. The overall structure is simple, the process is simple, the failure rate is low, and the cost is low.

[0048] According to some embodiments of the present invention, referring to Figure 1-Figure 4The third collection piece 51 includes a fourth sub-collection piece 511, a fifth sub-collection piece 512 and a sixth sub-collection piece 513. The fifth sub-collection piece 512 is connected between the fourth sub-collection piece 511 and the sixth sub-collection piece 513, and the fourth sub-collection piece 511 and the sixth sub-collection piece 513 are arranged in parallel. The fourth sub-collection piece 511 is spaced apart from the first bus 15, and the sixth sub-collection piece 513 is fixedly connected to the second housing 121. The third collection piece 51 is constructed as a Z-shaped structure. When the second collection piece 41 is fixed to the second housing 121, the tolerance can be effectively absorbed, and the stress generated during the fixed connection can be reduced. The overall structure is simple, the process is simple, the failure rate is low, and the cost is low.

[0049] According to some embodiments of the present invention, referring to Figure 1-Figure 4 The fixed connection between the first collecting piece 31 and the first bus 15 is provided with insulating glue, which can not only increase the firmness of the connection between the first collecting piece 31 and the first bus 15, but also insulate the first collecting piece 31 and the first bus 15, and also isolate water vapor to avoid corrosion.

[0050] The fixed connection between the second collecting piece 41 and the second bus 16 is provided with insulating glue, which can not only increase the firmness of the connection between the second collecting piece 41 and the second bus 16, but also insulate the second collecting piece 41 and the second bus 16, and also isolate water vapor to avoid corrosion.

[0051] The fixed connection between the second collection piece 41 and the second shell 121 is provided with insulating glue, which can not only increase the firmness of the connection between the second collection piece 41 and the second shell 121, but also insulate the second collection piece 41 and the second shell 121, and also isolate water vapor to avoid corrosion.

[0052] The fixed connection between the third collection piece 51 and the second shell 121 is provided with insulating glue, which can not only increase the firmness of the connection between the third collection piece 51 and the second shell 121, but also insulate the third collection piece 51 and the second shell 121, and also isolate water vapor to avoid corrosion.

[0053] In the description of this specification, the description with reference to the terms "some embodiments", "optionally", "further" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0054] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A battery, characterized in that: include: A battery module, wherein the battery module comprises a first battery cell, wherein the first battery cell comprises a first shell, wherein two ends of the first shell along a first direction are respectively a first end and a second end, wherein the first end is provided with a first electrode end, and the second end is provided with a second electrode end; A module sampling assembly, the module sampling assembly comprising: a BMS, a first conductor, a second conductor and an electrical connector, wherein the first conductor is electrically connected between the first electrode terminal and the BMS; The second conductor is electrically connected between the second electrode terminal and the first shell; and the electrical connector is electrically connected between the first shell and the BMS.

2. The battery according to claim 1, characterized in that The BMS is disposed adjacent to the first end.

3. The battery according to claim 1, characterized in that The battery module further includes a second battery cell, the second battery cell includes a second shell, the second shell is provided with the second electrode terminal at the first end, and the first electrode terminal is provided at the second end, the first battery cell and the second battery cell are both provided in plurality, and the plurality of the first battery cells and the plurality of the second battery cells are staggered along the second direction; The battery module further includes a plurality of first busbars and a plurality of second busbars, wherein the first busbars are electrically connected between the first electrode terminal of the first battery cell and the second electrode terminal of the second battery cell, and the second busbars are electrically connected between the first electrode terminal of the second battery cell and the second electrode terminal of the first battery cell, so that the plurality of first battery cells and the plurality of second battery cells are connected in series or in parallel; wherein, The first conductor is connected between the first bus bar and the BMS; The second conductor is connected between the second busbar and the second shell; The second direction is perpendicular to the first direction.

4. The battery according to claim 3, characterized in that The module sampling assembly also includes: a third conductor, part of the first electrode end or the second electrode end located at the second end is electrically connected to the BMS through the second conductor, the second shell and the electrical connector, and part of the first electrode end or the second electrode end located at the second end is electrically connected to the BMS through the third conductor.

5. The battery according to claim 3, characterized in that The first conductor includes a first collection sheet and a first wiring harness, the first collection sheet is electrically connected to the first bus, and the first wiring harness is electrically connected between the first collection sheet and the BMS; and / or, the second conductor includes a second collection sheet, the second collection sheet is electrically connected between the second bus and the second shell; and / or, the electrical connector includes a third collection sheet and a second wiring harness, the third collection sheet is electrically connected to the second shell, and the second wiring harness is electrically connected between the third collection sheet and the BMS.

6. The battery according to claim 5, characterized in that The first wiring harness is detachably connected to the BMS; and / or the second wiring harness is detachably connected to the BMS.

7. The battery according to claim 5, characterized in that The first collecting piece and the third collecting piece are both located at the first end and are alternately arranged along the second direction.

8. The battery according to claim 5, characterized in that The second collecting sheet includes a first sub-collecting sheet, a second sub-collecting sheet and a third sub-collecting sheet, the second sub-collecting sheet is connected between the first sub-collecting sheet and the third sub-collecting sheet, the first sub-collecting sheet and the third sub-collecting sheet are arranged in parallel, and the first sub-collecting sheet is fixedly connected to the second bus, and the third sub-collecting sheet is fixedly connected to the second shell.

9. The battery according to claim 8, characterized in that The third collecting sheet includes a fourth sub-collecting sheet, a fifth sub-collecting sheet and a sixth sub-collecting sheet, the fifth sub-collecting sheet is connected between the fourth sub-collecting sheet and the sixth sub-collecting sheet, and the fourth sub-collecting sheet is arranged in parallel with the sixth sub-collecting sheet, the fourth sub-collecting sheet is spaced apart from the first bus, and the sixth sub-collecting sheet is fixedly connected to the second shell.

10. The battery according to claim 5, characterized in that The fixed connection between the first collection piece and the first bus is provided with insulating glue; the fixed connection between the second collection piece and the second bus is provided with the insulating glue; the fixed connection between the second collection piece and the second shell is provided with the insulating glue; the fixed connection between the third collection piece and the second shell is provided with the insulating glue.

Images