CN220368025U - Battery cell assembly and battery - Google Patents

Battery cell assembly and battery Download PDF

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Publication number
CN220368025U
CN220368025U CN202321131251.4U CN202321131251U CN220368025U CN 220368025 U CN220368025 U CN 220368025U CN 202321131251 U CN202321131251 U CN 202321131251U CN 220368025 U CN220368025 U CN 220368025U
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CN
China
Prior art keywords
conductive
battery
sealing
cell assembly
conductive member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202321131251.4U
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Chinese (zh)
Inventor
邢依然
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weilai Battery Technology Anhui Co ltd
Original Assignee
Weilai Battery Technology Anhui Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from PCT/CN2022/126415 external-priority patent/WO2023216512A1/en
Application filed by Weilai Battery Technology Anhui Co ltd filed Critical Weilai Battery Technology Anhui Co ltd
Application granted granted Critical
Publication of CN220368025U publication Critical patent/CN220368025U/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
    • H01M50/291—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by their shape
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
    • H01M50/293—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by the material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
    • H01M50/51—Connection only in series
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
    • H01M50/512—Connection only in parallel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Abstract

The utility model relates to the technical field of batteries, in particular to a battery core assembly and a battery, and aims to solve the problem that a sealing assembly used by the existing single-cavity battery cannot meet the sealing and isolation of electrolyte between different cavities when the battery is designed into a plurality of cavities. For this purpose, the cell assembly of the utility model comprises a conductive member and a sealing member, wherein the conductive member is respectively connected with the cells in the two cavities, the conductive member penetrates through the partition plate, and the sealing member is arranged between the conductive member and the partition plate. According to the utility model, the sealing piece is arranged between the conductive piece and the partition board, so that a gap between the conductive piece and the partition board is sealed, electrolyte is prevented from flowing through the gap, the electrolyte on two sides of the partition board is ensured to be completely separated, the sealing performance is better, the shape of the sealing piece is diversified, and the use is more convenient.

Description

Battery cell assembly and battery
Technical Field
The utility model relates to the technical field of batteries, and particularly provides a battery cell assembly and a battery.
Background
Conventional power battery packs are typically formed from a plurality of individual cells connected in series externally. In view of the requirement of an external serial structure, a space of about 40 mm is usually reserved between two single batteries, so that the space in the battery pack is occupied, and the space utilization rate in the battery pack is reduced. The traditional battery is provided with only a single cavity, and the sealing assembly only needs to ensure that electrolyte in the cavity is not contacted with the external environment.
But in order to improve the space utilization of group battery, design battery cell into a plurality of cavitys, hold at least one electric core in every cavity, need use electrically conductive piece electricity to connect (the electricity is connected including series connection and parallelly connected two modes, and parallelly connected can reduce voltage, and the series connection makes voltage increase, can satisfy different voltage demands, preferably establishes ties to satisfy quick charge and high current demand) electric core in the different cavitys, just need guarantee the electrolyte between the different cavitys and keep apart each other sealed at this moment, but current seal assembly can't guarantee the electrolyte between the different cavitys and keep apart each other sealed.
Therefore, in order to solve the above technical problems, the present utility model needs to provide a new battery cell assembly and a new battery to solve the above technical problems.
Disclosure of Invention
The utility model aims to solve the technical problems, namely, the problem that the sealing assembly used by the traditional single-cavity battery cannot meet the sealing and isolation of electrolyte between different cavities when the battery is designed into a plurality of cavities.
For this purpose, in a first aspect, the present utility model provides a battery cell assembly, where the battery cell assembly includes a housing, a partition, a conductive member and a sealing member, the partition divides the interior of the housing into two cavities that are arranged in a thickness direction and are independent of each other, battery cells are respectively disposed in the two cavities, the conductive member is respectively connected with the battery cells in the two cavities, a first through hole is disposed on the partition, a portion of the conductive member is disposed in the first through hole, and the sealing member is disposed between the conductive member and the first through hole.
Under the condition of adopting the technical scheme, the sealing piece is arranged between the conductive piece and the partition board, so that a gap between the conductive piece and the partition board is sealed, electrolyte is prevented from flowing through the gap, and the electrolyte on two sides of the partition board is ensured to be completely separated.
In a specific embodiment of the foregoing electrical core assembly, the sealing member is disposed between the conductive member and the separator by injection molding or nano injection molding.
Under the condition of adopting the technical scheme, the sealing piece is molded in an injection molding mode, the sealing performance is better, the shape of the sealing piece is diversified, and the use is more convenient.
In a specific embodiment of the above cell assembly, the conductive member includes a first connection portion connected to the cell in one of the cavities, and the sealing member includes a first sealing portion located between the first connection portion and the separator in a thickness direction; and/or the conductive member further comprises a second connecting part connected with the battery cell in the other cavity, the sealing member comprises a second sealing part, and the second sealing part is positioned between the second connecting part and the partition board in the thickness direction.
In a specific embodiment of the foregoing electrical core assembly, the conductive member further includes a conductive portion, the conductive portion is fixedly connected with the first connection portion and the second connection portion, the conductive portion is partially received in the first through hole, and the sealing member further includes a third sealing portion, where the third sealing portion is located between the conductive portion and the first through hole.
In a specific embodiment of the foregoing electrical cell assembly, the sealing member is provided with a first groove, and the separator portion is received in the first groove.
Under the condition of adopting the technical scheme, the partition plate is partially accommodated in the first groove, so that not only is the tightness around the partition plate ensured, but also the sealing element is not easy to separate from the partition plate, and the stability is good.
In a specific embodiment of the foregoing electrical core assembly, the sealing member is provided with a second groove, and the conductive member is partially received in the second groove.
In a specific embodiment of the foregoing electrical core assembly, the conductive member includes a first conductive block and a second conductive block, the first conductive block is connected with the electrical core in the cavity, the second conductive block is connected with the electrical core in the cavity, the first conductive block and the second conductive block are fixedly connected, and the first conductive block and the second conductive block are partially accommodated in the second groove.
In a second aspect, the utility model also provides a battery comprising a cell assembly as described in any one of the preceding claims.
In a specific embodiment of the above battery, the battery further includes an insulating member disposed between the conductive member and the separator.
Under the condition of adopting the technical scheme, the insulating part plays an insulating role between the conductive part and the partition plate, and the conductive part is prevented from contacting with the partition plate to conduct electricity so as to influence the normal use of the battery.
In the specific embodiment of the battery, the number of the insulating members is two and the insulating members are respectively positioned at two sides of the separator.
In a specific embodiment of the above battery, the insulating member is provided with a second through hole.
Drawings
Preferred embodiments of the present utility model are described below with reference to the accompanying drawings, in which:
fig. 1 is a front view of a battery;
fig. 2 is an exploded view of the battery;
FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 1;
FIG. 4 is a schematic structural view of a seal;
FIG. 5 is a schematic view of a seal provided with a second groove;
FIG. 6 is a cross-sectional view of the seal of FIG. 5 coupled to a separator and a conductive portion;
FIG. 7 is a schematic view of the overall structure of the insulating member and the conductive member mounted on the separator;
FIG. 8 is an exploded view of FIG. 7;
fig. 9 is a schematic structural view of the insulator.
List of reference numerals:
1. a housing; 2. an insulating member; 21. a first side portion; 22. a second side edge portion; 23. a bottom edge portion; 231. a second through hole; 3. a seal; 31. a first groove; 32. a first sealing part; 33. a second sealing part; 34. a third sealing part; 35. a second groove; 4. a conductive member; 41. a first connection portion; 42. a second connecting portion; 43. a conductive portion; 431. a first conductive block; 432. a second conductive block; 5. a partition plate; 51. a first through hole; 6. and a battery cell.
Detailed Description
Preferred embodiments of the present utility model are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model. Those skilled in the art can adapt it as desired to suit a particular application.
It should be noted that, in the description of the present utility model, terms such as "upper," "lower," "inner," "outer," and the like, which indicate a direction or a positional relationship, are based on the direction or the positional relationship shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the relevant devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the ordinal terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.
In order to improve the space utilization of the battery pack in the prior art, the battery is designed into a plurality of cavities, each cavity accommodates one cell, the cells in different cavities are required to be electrically connected by using a conductive piece, and at the moment, the electrolyte between the different cavities is required to be sealed and isolated from each other, but the existing sealing assembly cannot ensure the electrolyte between the different cavities to be sealed and isolated from each other.
In order to solve the above technical problems, referring to fig. 3, the present utility model provides a battery cell assembly, which includes a housing 1 and a partition 5, wherein the partition 5 divides the interior of the housing 1 into two cavities which are arranged in a thickness direction and are independent of each other, and each of the two cavities is provided with a battery cell 6, the battery cell assembly further includes a conductive member 4 and a sealing member 3, the conductive member 4 is connected with the battery cells 6 in the two cavities, the conductive member 4 passes through the partition 5, the sealing member 3 is disposed between the conductive member 4 and the partition 5, and preferably, the sealing member 3 is injection molded between the conductive member 4 and the partition 5.
In this application, the seal member 3 is preferably injection molded by nano injection molding, that is, the seal member 3 is injection molded between the conductive member 4 and the separator 5.
In one embodiment, referring to fig. 3 and 8, the conductive member 4 includes a first connection portion 41 connected to one cell 6, and the sealing member 3 includes a first sealing portion 32, and the first sealing portion 32 is located between the first connection portion 41 and the separator 5 in the thickness direction. The first sealing portion 32 seals a gap between the separator 5 and the first connecting portion 41.
In one embodiment, referring to fig. 3 and 8, the conductive member 4 further includes a second connection portion 42 connected to the other cell 6, and the sealing member 3 includes a second sealing portion 33, and the second sealing portion 33 is located between the second connection portion 42 and the separator 5 in the thickness direction. The second sealing portion 33 seals a gap between the separator 5 and the second connecting portion 42.
The thickness direction is the thickness direction of the case 1, and is preferably a direction perpendicular to the surface of the case 1 where the area is largest, as indicated by an arrow in fig. 3.
In one embodiment, referring to fig. 8, the separator 5 is provided with a first through hole 51, the conductive member 4 further includes a conductive portion 43, the conductive portion 43 is fixedly connected to the first connection portion 41 and the second connection portion 42, respectively, the conductive portion 43 penetrates through the first through hole 51, the sealing member 3 further includes a third sealing portion 34, and the third sealing portion 34 is located between the conductive portion 43 and an inner peripheral surface of the first through hole 51.
Specifically, referring to fig. 3, the conductive portion 43 includes a first conductive block 431 and a second conductive block 432, one end of the first conductive block 431 is fixedly connected with the first connection portion 41, one end of the second conductive block 432 is fixedly connected with the second connection portion 42, and the other end of the first conductive block 431 is fixedly connected with the other end of the second conductive block 432.
The conductive portion 43 and the first connection portion 41 may be integrally formed, or may be fixedly connected by riveting or by welding and riveting, and the conductive portion 43 and the second connection portion 42 may be integrally formed, or may be fixedly connected by riveting or by welding and riveting.
It should be noted that, for convenience in molding and installation, at most one of the conductive portion 43 and the first connection portion 41 and the conductive portion 43 and the second connection portion 42 adopts an integrally molded structure, for example, the conductive portion 43 and the first connection portion 41 adopt an integrally molded structure, and then the conductive portion 43 and the second connection portion 42 adopt a spliced structure.
The number of the first through holes 51 on the partition board 5 is at least one, the number of the first through holes 51 is not particularly limited, and the number of the sealing members 3 is flexibly designed according to actual use conditions, and the number of the sealing members is the same as and corresponds to the number of the first through holes 51 one by one.
In one embodiment, referring to fig. 4, the outer peripheral surface of the sealing member 3 is provided with a first groove 31, and a part of the partition board 5 is accommodated in the first groove 31, so that not only is the tightness around the partition board 5 ensured, but also the sealing member 3 is not easy to separate from the partition board 5, and the stability is good.
In one embodiment, referring to fig. 5 and 6, the inner side surface of the sealing member 3 is provided with a second groove 35, and a part of the conductive portion 43 is accommodated in the second groove 35, so that the sealing performance between the conductive portion 43 and the sealing member 3 is better.
Specifically, the ends of the first and second conductive blocks 431 and 432 are received in the second groove 35, ensuring sealability between the first and second conductive blocks 431 and 432 and the sealing member 3.
On the other hand, referring to fig. 1-3, the present utility model further provides a battery, where the battery includes a battery core assembly, the separator 5 divides the interior of the housing 1 into two cavities that are arranged in the thickness direction and are independent of each other, the two cavities are respectively provided with a battery core 6, the conductive member 4 is respectively connected with the battery cores 6 in the two cavities, and the conductive member 4 passes through the separator 5, where the battery core assembly is a battery core assembly described in any of the above technical schemes.
In one embodiment, referring to fig. 3, 7 and 8, the battery further includes an insulating member 2, and the insulating member 2 is disposed between the conductive member 4 and the separator 5. The insulating part 2 plays an insulating role between the conducting part 4 and the partition board 5, and the phenomenon that the normal use of the battery is influenced due to the fact that the conducting part 4 is in contact with the partition board 5 is avoided.
In one embodiment, the number of the insulating members 2 is two and located on both sides of the partition 5, respectively.
In one embodiment, the insulating member 2 is provided with a second through hole 231 through which the conductive member 4 passes.
Specifically, referring to fig. 8 and 9, the insulating member 2 includes a bottom edge portion 23, a first side edge portion 21 fixedly connected to the bottom edge portion 23, the first side edge portion 21 separates the housing 1 from the conductive member and the battery cell, a second through hole is provided in the bottom edge portion 23, the second through hole corresponds to the first through hole 51 in the separator 5, the sealing member 3 penetrates the second through hole 231, and the bottom edge portion 23 separates the first connection portion 41 or the second connection portion 42 from the separator 5. The first side portion 21 separates the battery cell 6, the conductive member 4 and the housing 1 for insulation purposes.
In addition, the insulating member 2 further includes a second side portion 22, the second side portion 22 is fixedly connected to the bottom edge portion 23, and the first side portion 21, the second side portion 22 and the bottom edge portion 23 together define a cavity for placing the first connection portion 41 or the second connection portion 42, and the second side portion 22 separates the conductive member 4 from the battery cell 6. The height of the second side edge 22 is smaller than the height of the first connecting part 41 relative to the partition board 5 and the height of the second connecting part 42 relative to the partition board 5, so that the connection between the tab on the battery cell 6 and the first connecting part 41 or the second connecting part 42 is prevented from being influenced by the second side edge 22. The second side edge 22 is fixedly connected with one side wall of the bottom edge 23 adjacent to the battery cell 6, other side walls of the bottom edge 23 are fixedly connected with the first side edge 21, and the first side edge 21, the second side edge 22 and the bottom edge jointly enclose a containing cavity for containing the first connecting part or the second connecting part. The first connecting portion 41 and the second connecting portion 42 are connected by the conductive portion 43, the bottom edge portion 23 of one of the insulators 2 is sandwiched between the first connecting portion 41 and the spacer 5, and the bottom edge portion 23 of the other insulator 2 is sandwiched between the second connecting portion 42 and the spacer 5, so that the purpose of fixing the insulator 2 to the spacer 5 is achieved.
The first side edge 21, the second side edge 22, and the bottom edge 23 are integrally formed.
In the above embodiment, the conductive portion 43, the first connection portion 41, the second connection portion 42, the separator 5, and the second through hole 231 on the insulator 2 together form an injection molding cavity into which a material required for the seal member is injected in an injection molding manner to finally mold the seal member 3.
In the various embodiments and various extended embodiments, the sealing piece is injection molded between the conductive piece and the partition plate, so that a gap between the conductive piece and the partition plate is sealed, electrolyte is prevented from flowing through the gap, the electrolytes on two sides of the partition plate are completely separated, the sealing piece is injection molded, the sealing performance is better, the shape of the sealing piece is diversified, and the sealing piece is more convenient to use.
Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will fall within the scope of the present utility model.

Claims (10)

1. The utility model provides a battery cell assembly, its characterized in that, battery cell assembly includes casing, baffle, electrically conductive piece and sealing member, the baffle will the inside two cavitys of arranging and mutually independent of thickness direction of partition of casing are equipped with the battery cell in two cavitys respectively, electrically conductive piece respectively with the battery cell in two cavitys is connected, be equipped with first through-hole on the baffle, electrically conductive piece part set up in the first through-hole, the sealing member set up in electrically conductive piece with between the first through-hole.
2. The cell assembly of claim 1, wherein the seal is disposed between the conductive member and the separator by injection molding or nano injection molding.
3. The cell assembly of claim 1, wherein the conductive member includes a first connection portion connected to the cell within one of the cavities, the seal member including a first seal portion that is located between the first connection portion and the separator in a thickness direction; and/or the conductive member further comprises a second connecting part connected with the battery cell in the other cavity, the sealing member comprises a second sealing part, and the second sealing part is positioned between the second connecting part and the partition board in the thickness direction.
4. The cell assembly of claim 3, wherein the conductive member further comprises a conductive portion fixedly connected to the first and second connection portions, respectively, the conductive portion being partially received in the first through hole, the seal further comprising a third seal between the conductive portion and the first through hole.
5. The cell assembly of claim 1, wherein the seal is provided with a first recess, the separator portion being received in the first recess.
6. The cell assembly of claim 5, wherein the seal is provided with a second recess, the conductive member 4 being partially received in the second recess.
7. The cell assembly of claim 6, wherein the conductive member comprises a first conductive block and a second conductive block, the first conductive block is connected with the cell in one of the cavities, the second conductive block is connected with the cell in the other of the cavities, the first conductive block and the second conductive block are fixedly connected, and the first conductive block and the second conductive block are partially received in the second groove.
8. A battery comprising the cell assembly of any one of claims 1-7.
9. The battery of claim 8, further comprising an insulator disposed between the conductive member and the separator.
10. The battery according to claim 9, wherein the number of the insulating members is two and is located on both sides of the separator, respectively.
CN202321131251.4U 2022-05-10 2023-05-10 Battery cell assembly and battery Active CN220368025U (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN2022211754784 2022-05-10
CN202221175478 2022-05-10
PCT/CN2022/126415 WO2023216512A1 (en) 2022-05-10 2022-10-20 Battery
CNPCT/CN2022/126415 2022-10-20

Publications (1)

Publication Number Publication Date
CN220368025U true CN220368025U (en) 2024-01-19

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CN202321126882.7U Active CN220368024U (en) 2022-05-10 2023-05-10 Battery cell assembly, battery and battery module
CN202310530309.0A Pending CN117039290A (en) 2022-05-10 2023-05-10 Battery cell assembly and battery
CN202321131187.XU Active CN220368100U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery
CN202321126560.2U Active CN220774630U (en) 2022-05-10 2023-05-10 Battery cell
CN202321131281.5U Active CN220368115U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery comprising same
CN202321127204.2U Active CN220368097U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery
CN202310528423.XA Pending CN117458075A (en) 2022-05-10 2023-05-10 Battery cell
CN202321127165.6U Active CN220774655U (en) 2022-05-10 2023-05-10 Battery cell assembly, battery and battery module
CN202321131240.6U Active CN220368114U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery
CN202321131251.4U Active CN220368025U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery
CN202321131376.7U Active CN220368012U (en) 2022-05-10 2023-05-10 Battery cell
CN202321126856.4U Active CN220368007U (en) 2022-05-10 2023-05-10 Battery cell
CN202321126465.2U Active CN220324656U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery
CN202321126367.9U Active CN220306462U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery
CN202321131349.XU Active CN220368111U (en) 2022-05-10 2023-05-10 Battery cell
CN202321126811.7U Active CN220527041U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery
CN202321126895.4U Active CN220368009U (en) 2022-05-10 2023-05-10 Battery cell
CN202321127182.XU Active CN220368096U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery
CN202321127157.1U Active CN220368099U (en) 2022-05-10 2023-05-10 Battery cell assembly, battery module and vehicle

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Application Number Title Priority Date Filing Date
CN202321126882.7U Active CN220368024U (en) 2022-05-10 2023-05-10 Battery cell assembly, battery and battery module
CN202310530309.0A Pending CN117039290A (en) 2022-05-10 2023-05-10 Battery cell assembly and battery
CN202321131187.XU Active CN220368100U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery
CN202321126560.2U Active CN220774630U (en) 2022-05-10 2023-05-10 Battery cell
CN202321131281.5U Active CN220368115U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery comprising same
CN202321127204.2U Active CN220368097U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery
CN202310528423.XA Pending CN117458075A (en) 2022-05-10 2023-05-10 Battery cell
CN202321127165.6U Active CN220774655U (en) 2022-05-10 2023-05-10 Battery cell assembly, battery and battery module
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CN202321126856.4U Active CN220368007U (en) 2022-05-10 2023-05-10 Battery cell
CN202321126465.2U Active CN220324656U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery
CN202321126367.9U Active CN220306462U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery
CN202321131349.XU Active CN220368111U (en) 2022-05-10 2023-05-10 Battery cell
CN202321126811.7U Active CN220527041U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery
CN202321126895.4U Active CN220368009U (en) 2022-05-10 2023-05-10 Battery cell
CN202321127182.XU Active CN220368096U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery
CN202321127157.1U Active CN220368099U (en) 2022-05-10 2023-05-10 Battery cell assembly, battery module and vehicle

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CN220774655U (en) 2024-04-12
CN117458075A (en) 2024-01-26
CN117039290A (en) 2023-11-10
CN220368009U (en) 2024-01-19
CN220368012U (en) 2024-01-19
CN220368097U (en) 2024-01-19
CN220368111U (en) 2024-01-19
CN220306462U (en) 2024-01-05
CN220368007U (en) 2024-01-19
CN220368024U (en) 2024-01-19
CN220368099U (en) 2024-01-19
CN220774630U (en) 2024-04-12
CN220527041U (en) 2024-02-23
CN220368100U (en) 2024-01-19
CN220368115U (en) 2024-01-19
CN220368114U (en) 2024-01-19
CN220368096U (en) 2024-01-19
CN220324656U (en) 2024-01-09

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