CN220774655U - Battery cell assembly, battery and battery module - Google Patents

Battery cell assembly, battery and battery module Download PDF

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Publication number
CN220774655U
CN220774655U CN202321127165.6U CN202321127165U CN220774655U CN 220774655 U CN220774655 U CN 220774655U CN 202321127165 U CN202321127165 U CN 202321127165U CN 220774655 U CN220774655 U CN 220774655U
Authority
CN
China
Prior art keywords
battery
connector
connecting piece
separator
connection
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
CN202321127165.6U
Other languages
Chinese (zh)
Inventor
张施诗
刘晓奇
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 CN220774655U publication Critical patent/CN220774655U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Landscapes

  • 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 cell assembly, a battery and a battery module. The electric connector can realize stable connection between adjacent electric cores, can fully utilize the internal space of the battery and improve the space utilization rate of the battery.

Description

Battery cell assembly, battery and battery module
Technical Field
The utility model relates to the technical field of batteries, and particularly provides a battery cell assembly, a battery and a battery module.
Background
As one of ideal power sources for electric vehicles, the lithium ion battery is rapidly updated in material system, structural design and process technology along with rapid development of new energy vehicle markets. In order to meet the power output of the electric automobile, the battery system needs to combine tens or hundreds of battery cells in series-parallel connection, so that the required high voltage and high electric quantity are obtained. Only one electric core is arranged in each battery unit, and each battery unit is connected in series and parallel through an external connecting piece.
For this reason, a battery cell having at least two cells encapsulated therein has appeared on the market, but how to achieve a stable connection between adjacent cells is a problem to be solved in the art.
Disclosure of Invention
The utility model aims to solve the technical problems, namely the problem of stably connecting adjacent battery cells on the basis of improving the energy density of the battery.
In a first aspect, the present utility model provides a battery cell assembly, where the battery cell assembly includes two battery cells arranged in a thickness direction, a partition member and an electrical connection member, the partition member is disposed on the two battery cell assemblies, the electrical connection member includes a first connection member and a second connection member, the first connection member is fixedly connected with the second connection member, the first connection member is connected with one of the two battery cells, the second connection member is connected with the other battery cell, and the first connection member and the second connection member are disposed on two sides of the partition member.
In a specific embodiment of the above electrical connector, a first connecting portion is disposed on the first connector, a through hole is disposed on the partition, and the first connecting portion is disposed in the through hole and is fixedly connected with the second connector.
In a specific embodiment of the above electrical connector, a second connection portion is disposed on the second connector, and the first connection portion is fixedly connected with the second connection portion.
In a specific embodiment of the above electrical connector, the first connecting portion and the second connecting portion are provided with a first groove.
In a specific embodiment of the foregoing electrical connector, the first connector is one of a copper connector and an aluminum connector, and the second connector is the other of the copper connector and the aluminum connector.
In a second aspect, the present utility model further provides a battery, the battery including a case and the cell assembly of any one of the above, the separator being disposed in the case to separate an interior of the case into a first chamber and a second chamber which are independent of each other and arranged in a thickness direction, the two cells being disposed in the first chamber and the first chamber, respectively.
In a specific embodiment of the above battery, the two cells are connected in series.
In a specific embodiment of the above battery, the battery further comprises a seal disposed between the electrical connection and the separator.
In a specific embodiment of the above battery, the seal member is disposed in the first groove, the seal member is provided with a second groove, and the separator portion is accommodated in the second groove.
In a third aspect, the present utility model also provides a battery module, which includes the battery described above.
Under the condition of adopting the technical scheme, the electric connecting piece is used for being connected with the two electric cores arranged in the thickness direction, and the first connecting piece and the second connecting piece are clamped on two sides of the separating piece, so that stable connection between the adjacent electric cores can be realized. In addition, the electric connector is used for being connected with two electric cores arranged in the thickness direction, and can fully utilize the internal space of the battery and improve the space utilization rate of the internal space of the battery.
Drawings
Preferred embodiments of the present utility model are described below with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of the structure of an electrical connector of the present utility model;
FIG. 2 is a schematic view of the mounting structure between the electrical connector and the seal and spacer of the present utility model;
FIG. 3 is a cross-sectional view of the seal of the present utility model;
fig. 4 is an exploded view of the overall structure of the battery of the present utility model;
list of reference numerals:
1. an electrical connection; 11. a first connector; 111. a first connection portion; 12. a second connector; 121. a second connecting portion; 13. a first groove; 2. a seal; 21. a second groove; 3. a partition; 4. a housing; 5. a battery cell; 51. a positive electrode tab; 52. and a negative electrode tab.
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 "upward", "downward", and the like, indicating directions or positional relationships are based on the directions or positional relationships 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 term "connected" should be interpreted broadly, and for example, it may be a fixed connection, a removable connection or an integral connection; 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.
A particularly preferred embodiment of the present utility model will be described with reference to fig. 1-2.
As shown in fig. 1-2, the present utility model provides an electrical connector 1, wherein the electrical connector 1 is used for connecting two electrical cores 5 arranged in a thickness direction, a partition 3 is arranged between the two electrical cores 5, the electrical connector 1 comprises a first connector 11 and a second connector 12 which are fixedly connected with each other, the first connector 11 is connected with one electrical core 5 of the two electrical cores 5, the second connector 12 is connected with the other electrical core 5 of the two electrical cores 5, and the first connector 11 and the second connector 12 are clamped at two sides of the partition 3.
According to the direction shown in fig. 1 and 2, the first connecting member 11 is provided at the middle with a first connecting portion 111 protruding upward, the second connecting member 12 is provided at the middle with a second connecting portion 121 protruding downward, the partition member 3 is provided with a through hole, and the first connecting portion 111 is located in the through hole and fixedly connected with the second connecting member 12. The surface of the first connection portion 111 is connected with the surface of the second connection portion 121, and the surface of the first connection portion 111 connected with the second connection portion 121 is a plane. Preferably, the first connection member 11 is one of a copper connection member and an aluminum connection member, and the second connection member 12 is the other of the copper connection member and the aluminum connection member.
The surface of the first connecting portion 111 and the surface of the second connecting portion 121 are fixed by welding, and friction welding or laser welding may be used. Of course, the welding method is not limited to the above, and may be other than friction welding or laser welding. The surface of the first connection portion 111 and the surface of the second connection portion 121 may be bonded to each other by a conductive adhesive, other than welding, but welding is preferable in view of the conductivity between the first connection portion 111 and the second connection portion 121.
In the above-described structure, the electrical connector 1 of the present utility model is used for connection with two cells 5 arranged in the thickness direction, and the stable connection between the adjacent cells 5 can be achieved by the first connector 111 and the second connector 121 being sandwiched at both sides of the separator 3. In addition, the electrical connector 1 is used for connecting with two electric cores 5 arranged in the thickness direction, and can fully utilize the internal space of the battery and improve the space utilization rate of the battery.
Specifically, the thickness direction is the direction perpendicular to the surface of the housing 4 where the area is largest, that is, the thickness direction of the housing 4.
Based on the above-described embodiment, as shown in fig. 4, the present utility model also provides a battery including a case 4, a battery cell 5, a separator 3, and the electrical connector 1 as described above, the separator 3 being provided in the case 4 to divide the inside of the case 4 into a first chamber and a second chamber which are independent of each other and are arranged in the thickness direction, the battery cell 5 being provided in each chamber, the battery cell 5 provided in the first chamber and the battery cell 5 provided in the second chamber being connected to the electrical connector 1, respectively.
Specifically, the electric cells 5 in the two chambers may be connected in series or in parallel, and those skilled in the art may selectively set the electric cells 5 in the two chambers to be connected in series or in parallel according to different voltage requirements.
Preferably, the electric cores 5 in the two chambers are connected in series through the electric connecting piece 1, namely, the aluminum connecting piece is connected with the positive electrode lug 51 of one electric core 5, the copper connecting piece is connected with the negative electrode lug 52 of the other electric core 5, the whole battery can realize voltage twice as high as that of the previous structure, a good voltage foundation is provided for a high-voltage platform, meanwhile, the charging and discharging currents can be reduced, the battery is protected from performance degradation under high current impact, and the independent chambers can isolate electrolyte, so that high-voltage decomposition of the electrolyte is avoided. Meanwhile, the battery cells 5 are arranged in the shell 4, compared with the traditional two batteries which are connected in series, the battery structure can save the shell 4 at intervals between the connected batteries, and compared with the traditional design, the number of structural components is reduced, the battery assembly cost is reduced, and the battery integration efficiency is improved.
Wherein the partition 3 shown in fig. 2 and 4 is provided as a partition plate. Of course, the partition 3 is not limited to the above-described partition plate, and may have other structures such as a partition rib, and the inside of the case 4 may be divided into two chambers independent of each other, regardless of the structure.
Preferably, as shown in fig. 2 and 3, in order to ensure sealability between the electrical connector 1 and the separator 3, the battery further includes a sealing member 2, the sealing member 2 is disposed between the electrical connector 1 and the separator 3, the outer circumferences of the first and second connection parts 111 and 121 are provided with first grooves 13 accommodating the sealing member 2 and/or part of the separator 3, the cross section of the first connection part 111 is smaller than that of the first connection part 11, the cross section of the second connection part 121 is smaller than that of the second connection part 12, so that a first groove 13 is formed between the first connection part 11 and the second connection part 12, the sealing member 2 is disposed in the first groove 13, the electrical connector 1 and the separator 3 can be sealed, the outer circumference of the sealing member 2 is provided with second grooves 21, and the inner circumference of the separator 3 is cooperatively connected with the second grooves 21. The sealing member 2 is made of rubber or plastic, for example, FKM may be used for the rubber, PFA, PBT, etc., and of course, the material of the sealing member 2 is not limited to the above-mentioned materials, and may be other materials than rubber or plastic, etc., regardless of the material, as long as the sealing property between the pole and the separator 3 can be achieved. Specifically, during installation, the sealing member 2 and the partition member 3 are assembled, and then the first connecting member 11 and the second connecting member 12 in the electric connecting member 1 are welded to squeeze the sealing member 2, so that the tightness between the pole and the partition member 3 is ensured.
Based on the above embodiment, the utility model further provides a battery module, which comprises the battery.
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 subassembly, its characterized in that, the battery cell subassembly include two electric cores of arranging in thickness direction, set up in the separator and the electric connecting piece of two electric core subassemblies, the electric connecting piece includes first connecting piece and second connecting piece, first connecting piece with second connecting piece fixed connection, first connecting piece with one electric core in two electric cores is connected, the second connecting piece with another electric core in two electric cores is connected, first connecting piece with the second connecting piece set up in the both sides of separator.
2. The cell assembly of claim 1, wherein the first connector is provided with a first connector, the separator is provided with a through hole, and the first connector is positioned in the through hole and fixedly connected with the second connector.
3. The cell assembly of claim 2, wherein the second connector is provided with a second connecting portion, and the first connecting portion is fixedly connected with the second connecting portion.
4. The cell assembly of claim 3, wherein the first connection portion and the second connection portion are provided with a first groove.
5. The cell assembly of any one of claims 1-4, wherein the first connector is one of copper or aluminum and the second connector is the other of copper or aluminum.
6. A battery comprising a case and the cell assembly according to any one of claims 1 to 5, the separator being provided in the case to separate the inside of the case into a first chamber and a second chamber which are independent of each other and arranged in a thickness direction, the two cells being provided in the first chamber and the first chamber, respectively.
7. The battery of claim 6, wherein the two cells are connected in series.
8. The battery of claim 6, further comprising a seal disposed between the electrical connection and the separator.
9. The battery of claim 8, wherein the seal is disposed within the first recess, the seal is provided with a second recess, and the separator portion is received within the second recess.
10. A battery module characterized in that the battery module comprises the battery according to any one of claims 6 to 9.
CN202321127165.6U 2022-05-10 2023-05-10 Battery cell assembly, battery and battery module Active CN220774655U (en)

Applications Claiming Priority (4)

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

Publications (1)

Publication Number Publication Date
CN220774655U true CN220774655U (en) 2024-04-12

Family

ID=88625064

Family Applications (19)

Application Number Title Priority Date Filing Date
CN202321126367.9U Active CN220306462U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery
CN202310530309.0A Pending CN117039290A (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
CN202321127157.1U Active CN220368099U (en) 2022-05-10 2023-05-10 Battery cell assembly, battery module and vehicle
CN202321127182.XU Active CN220368096U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery
CN202321127165.6U Active CN220774655U (en) 2022-05-10 2023-05-10 Battery cell assembly, battery and battery module
CN202321126895.4U Active CN220368009U (en) 2022-05-10 2023-05-10 Battery cell
CN202321126882.7U Active CN220368024U (en) 2022-05-10 2023-05-10 Battery cell assembly, battery and battery module
CN202321126856.4U Active CN220368007U (en) 2022-05-10 2023-05-10 Battery cell
CN202321131376.7U Active CN220368012U (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
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
CN202321131281.5U Active CN220368115U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery comprising same
CN202321126560.2U Active CN220774630U (en) 2022-05-10 2023-05-10 Battery cell
CN202321131251.4U Active CN220368025U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery
CN202321131240.6U Active CN220368114U (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
CN202321126465.2U Active CN220324656U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery

Family Applications Before (5)

Application Number Title Priority Date Filing Date
CN202321126367.9U Active CN220306462U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery
CN202310530309.0A Pending CN117039290A (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
CN202321127157.1U Active CN220368099U (en) 2022-05-10 2023-05-10 Battery cell assembly, battery module and vehicle
CN202321127182.XU Active CN220368096U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery

Family Applications After (13)

Application Number Title Priority Date Filing Date
CN202321126895.4U Active CN220368009U (en) 2022-05-10 2023-05-10 Battery cell
CN202321126882.7U Active CN220368024U (en) 2022-05-10 2023-05-10 Battery cell assembly, battery and battery module
CN202321126856.4U Active CN220368007U (en) 2022-05-10 2023-05-10 Battery cell
CN202321131376.7U Active CN220368012U (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
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
CN202321131281.5U Active CN220368115U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery comprising same
CN202321126560.2U Active CN220774630U (en) 2022-05-10 2023-05-10 Battery cell
CN202321131251.4U Active CN220368025U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery
CN202321131240.6U Active CN220368114U (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
CN202321126465.2U Active CN220324656U (en) 2022-05-10 2023-05-10 Battery cell assembly and battery

Country Status (1)

Country Link
CN (19) CN220306462U (en)

Also Published As

Publication number Publication date
CN117039290A (en) 2023-11-10
CN220368012U (en) 2024-01-19
CN220368096U (en) 2024-01-19
CN220368009U (en) 2024-01-19
CN220368024U (en) 2024-01-19
CN220368097U (en) 2024-01-19
CN220368115U (en) 2024-01-19
CN220368111U (en) 2024-01-19
CN220774630U (en) 2024-04-12
CN220368025U (en) 2024-01-19
CN220368114U (en) 2024-01-19
CN220368100U (en) 2024-01-19
CN220527041U (en) 2024-02-23
CN220368007U (en) 2024-01-19
CN220368099U (en) 2024-01-19
CN220324656U (en) 2024-01-09
CN117458075A (en) 2024-01-26
CN220306462U (en) 2024-01-05

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