WO2022160494A1 - Feuille d'adaptateur, batterie secondaire et module de batterie - Google Patents

Feuille d'adaptateur, batterie secondaire et module de batterie Download PDF

Info

Publication number
WO2022160494A1
WO2022160494A1 PCT/CN2021/091781 CN2021091781W WO2022160494A1 WO 2022160494 A1 WO2022160494 A1 WO 2022160494A1 CN 2021091781 W CN2021091781 W CN 2021091781W WO 2022160494 A1 WO2022160494 A1 WO 2022160494A1
Authority
WO
WIPO (PCT)
Prior art keywords
fuse
insulating member
disconnection
adapter plate
connection part
Prior art date
Application number
PCT/CN2021/091781
Other languages
English (en)
Chinese (zh)
Inventor
王有生
李华
远浩
夏春文
Original Assignee
常州瑞德丰精密技术有限公司
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
Application filed by 常州瑞德丰精密技术有限公司 filed Critical 常州瑞德丰精密技术有限公司
Publication of WO2022160494A1 publication Critical patent/WO2022160494A1/fr

Links

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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/574—Devices or arrangements for the interruption of current
    • H01M50/583—Devices or arrangements for the interruption of current in response to current, e.g. fuses
    • 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

Definitions

  • the invention relates to the technical field of secondary batteries, in particular to a transfer sheet, a secondary battery and a battery module.
  • the secondary battery refers to a battery that can be used continuously by activating the active material by charging after the battery is discharged.
  • the adapter sheet of the secondary battery in the prior art is used to connect the corresponding electrode lead-out terminal on the top cover and the corresponding tab on the battery core. There is a fuse position on the adapter sheet. When the cell is short-circuited or overcharged and overdischarged, the heat generated by the fuse position is relatively high, so it is blown first. However, the fused adapter sheet is prone to two problems due to the shaking of the battery. There are certain security risks.
  • the present application provides an adapter sheet, a secondary battery and a battery module, so as to solve the problem that the fused adapter sheet is prone to secondary contact in the prior art.
  • an adapter piece comprising: a first connection part, a fuse part, a second connection part and an insulating member;
  • the fuse part is located between the first connection part and the second connection part, and connects the first connection part and the second connection part;
  • the fusing part forms a first disconnecting part and a second disconnecting part spaced apart after fusing;
  • the insulating member is used for fixing the first disconnection portion and the second disconnection portion.
  • the melting point of the insulating member is greater than the melting point of the fuse portion.
  • the insulating member is connected to at least two ends of the fuse portion.
  • the insulating member includes a first portion that is attached to and connected to the fuse portion.
  • the insulating member further includes two second parts respectively connected to two sides of the first part, and accommodating grooves are provided in the two second parts for accommodating the two second parts.
  • the side surface of the fuse part or the side surfaces of the first connecting part and the second connecting part are accommodated.
  • the cross-sectional area of the fuse portion is smaller than the cross-sectional area of the first connection portion, and is smaller than the cross-sectional area of the second connection portion.
  • two open grooves are formed on two sides of the fuse portion with the first connecting portion and the second connecting portion respectively, and the insulating member further includes a Corresponding to the two filling parts of the two opening grooves.
  • the insulating member further includes a third portion located on a side of the fuse portion away from the first portion and connected to the two second portions.
  • the insulating member is connected to the first connection portion and the second connection portion.
  • the insulating member is a ceramic insulating member.
  • the insulating member is a metal oxide film.
  • the metal oxide film is provided on the fuse portion and integrally formed with the fuse portion.
  • the insulator has a resistance greater than 200 megohms.
  • the present application further provides a secondary battery, including the above-mentioned transfer sheet.
  • the present application further provides a battery module including a plurality of the above secondary batteries.
  • the adapter sheet provided by the present application includes a first connection part, a fuse part, a second connection part and an insulating member.
  • the fuse part is located between the first connection part and the second connection part and connects the first connection part and the second connection part , the fuse part forms a first disconnection part and a second disconnection part arranged at intervals after fusing, and the insulating member is used to fix the first disconnection part and the second disconnection part, so as to stabilize the fusing part after fusing, avoid
  • the first disconnection portion and the second disconnection portion are in secondary contact due to the shaking of the battery, thereby improving the safety of the battery.
  • FIG. 1 is a schematic diagram of an adapter sheet provided by an embodiment of the present application.
  • Fig. 2 is the bottom view schematic diagram of the adapter sheet provided by the embodiment of the present application.
  • FIG. 3 is a schematic bottom view of the fuse part of the adapter sheet provided in the embodiment of the present application after disconnection;
  • FIG. 4 is a schematic diagram of a first connection part, a fuse part and a second connection part of an adapter sheet provided in an embodiment of the present application;
  • FIG. 5 is a schematic diagram of an insulating member of an adapter sheet provided in an embodiment of the present application.
  • first and second are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, features defined as “first”, “second” may expressly or implicitly include one or more of said features. In the description of the present invention, “plurality” means two or more, unless otherwise expressly and specifically defined.
  • the adapter sheet of the present application can be used in secondary batteries to connect the corresponding electrode lead-out terminals on the top cover and the corresponding tabs on the battery core.
  • the heat generated by the fuse part The first disconnection part and the second disconnection part are formed at intervals, and the insulating member fixes the first disconnection part and the second disconnection part, so as to stabilize the fusing part after being blown and avoid the first disconnection part and the second disconnection part.
  • the disconnection part and the second disconnection part make secondary contact due to the shaking of the battery, thereby improving the safety of the battery.
  • an embodiment of the present application provides an adapter sheet, including: a first connecting portion 1 , a fuse portion 2 , a second connecting portion 3 and an insulating member 4 ;
  • the fuse part 2 is located between the first connection part 1 and the second connection part 3, and connects the first connection part 1 and the second connection part 3;
  • the fuse portion 2 forms a first break portion 21 and a second break portion 22 arranged at intervals after being blown;
  • the insulating member 4 is used to fix the first disconnection portion 21 and the second disconnection portion 22 .
  • first disconnection part 21 and the second disconnection part 22 which are arranged at intervals, through the insulating member 4
  • the first disconnection portion 21 and the second disconnection portion 22 are fixed, so as to stabilize the fusing portion 2 after being blown, so as to prevent the first disconnection portion 21 and the second disconnection portion 22 from making secondary contact due to the shaking of the battery, and further Improve battery safety.
  • the first connection part 1 can be connected to the corresponding electrode lead-out terminal on the top cover of the battery, and the second connection part 3 can be connected to the corresponding electrode tab on the cell of the battery.
  • the material of the first connection part 1, the fuse part 2 and the second connection part 3 can be aluminum; when the electrode lead-out terminal is a negative pole, the first connection part 1, the fuse part 2 and the second The material of the two connecting parts 3 can be copper.
  • first connection part 1 , the fuse part 2 and the second connection part 3 can be integrally formed, so as to improve the strength of the adapter sheet.
  • the resistance of the insulating member 4 is greater than 200 megohms, especially when the battery can provide a voltage of about 200V, the resistance of the insulating member 4 is greater than 200 megohms, so as to ensure the insulating performance of the insulating member 4 and prevent fusing
  • the rear adapter sheet conducts electricity through the insulating member 4, thereby improving the safety of the battery.
  • the melting point of the insulating member 4 is greater than the melting point of the fuse portion 2 .
  • the melting point of the insulating member 4 is set to be greater than the melting point of the fuse portion 2.
  • the insulating member 4 can always fix the first disconnection portion 21 and the second disconnection portion 22, so as to stabilize the fusing portion 2 after being blown, and prevent the first disconnection portion 21 and the second disconnection portion 22 from being damaged by the battery. Shaking produces secondary contact, thereby improving the safety of the battery.
  • the insulating member 4 is a ceramic insulating member. Since the melting point of the ceramic material is relatively high, the melting point is basically above 2000 ° C, which is much higher than the melting point of the metal material commonly used in the adapter. For example, the melting point of aluminum is 660 ° C, and the melting point of copper is 660 ° C. The melting point of zinc is 1083°C, and the melting point of zinc is 419°C. Therefore, the use of ceramic materials to make the insulating member 4 can ensure that the melting point of the insulating member 4 is greater than the melting point of the fuse part 2, and prevent the insulating member 4 from being blown after the fuse part 2. melted or blown.
  • the plasma process can be used to manufacture the ceramic insulator to improve the adhesion strength of the ceramic insulator to the first connection part 1, the fuse part 2 and/or the second connection part 3, to prevent the insulator 4 from falling off, thereby improving the insulation
  • the fixing effect of the piece 4 on the first disconnecting portion 21 and the second disconnecting portion 22 after the fusing portion 2 is fused.
  • other manufacturing processes can also be used to manufacture ceramic insulating parts, such as extrusion, cold isostatic pressing, hot pressing, and hot isostatic pressing, which are not limited in this application.
  • the thickness of the ceramic insulating member can be specifically set according to the actual situation, for example, 0.01mm-0.5mm, which is not limited in this application.
  • the insulating member 4 may be an alumina ceramic insulating member. That is, the insulating member 4 is made of alumina ceramic material. Alumina ceramic is a special ceramic with a high melting point of 2050°C, high strength, low cost and light weight, which can be stabilized even when the battery is shaken violently. The blown fuse portion 2 can also reduce the overall weight of the battery.
  • the insulating member 4 can also be made of other ceramic materials, such as beryllium oxide ceramics or zirconia ceramics, which are not limited in this application.
  • the insulating member 4 is connected to at least two ends of the fuse part 2, so that after the fuse part 2 is blown, the first disconnection part 21 and the second disconnection part 22 can be always fixed to avoid the first disconnection The part 21 and the second disconnection part 22 are in secondary contact due to the shaking of the battery.
  • the insulating member 4 includes a first portion 41 that is attached and connected to the fuse portion 2 .
  • the first portion 41 can be attached to the top surface of the fuse portion 2 , thereby improving the insulation.
  • the adhesion strength between the part 4 and the fuse part 2 can be improved to prevent the insulating part 4 from falling off, thereby improving the fixing effect of the insulating part 4 on the first disconnection part 21 and the second disconnection part 22 after the fuse part 2 is fused.
  • the first part 41 is also attached and connected to the top surface of part of the first connecting part 1 , thereby further improving the adhesion strength of the insulating member 4 and the first connecting part 1 , preventing the insulating member 4 Falling off further improves the fixing effect of the insulating member 4 on the first disconnection portion 21 and the second disconnection portion 22 after the fuse portion 2 is fused.
  • the part of the top surface of the first connecting part 1 that is not in contact with the first part 41 is further provided with a plurality of grooves 11 , because the first connecting part 1 can be connected to the electrode through the laser to lead out the terminal For welding, the plurality of grooves 11 can reduce the reflection of the laser light, so as to improve the welding effect.
  • the first part 41 is also attached and connected to the top surface of part of the second connecting part 3 , thereby further improving the adhesion strength of the insulating member 4 and the second connecting part 3 , preventing the insulating member 4 from falling off, and further The fixing effect of the insulating member 4 on the first disconnection portion 21 and the second disconnection portion 22 after the fusing portion 2 is blown is improved.
  • the insulating member 4 further includes two second portions 42 respectively connected to both sides of the first portion 41 , and both second portions 42 are provided with accommodating grooves 421 for accommodating the sides of the fuse portion 2 or accommodating The side surfaces of the first connecting part 1 and the second connecting part 3 . That is, the side surfaces of the fuse part 2 can be directly covered by the two second parts 42, and the side surfaces of the first connection part 1 and the second connection part 3 can also be directly covered.
  • the side surfaces of the first connecting part 1 and the second connecting part 3 are connected, thereby improving the adhesion strength of the insulating member 4 and the fuse part 2, or with the first connecting part 1 and the second connecting part 3, preventing the insulating member 4 from falling off, and then The fixing effect of the insulating member 4 on the first disconnection portion 21 and the second disconnection portion 22 after the fusing portion 2 is blown is improved.
  • the cross-sectional area of the fuse portion 2 is smaller than the cross-sectional area of the first connecting portion 1 and smaller than the cross-sectional area of the second connecting portion 3 .
  • the cross section refers to a cross section in the width direction.
  • the fuse portion 2 can also be provided with at least one slot along the width direction, which can further reduce the width of the fuse portion 2 to ensure that when the cell is short-circuited or overcharged and over-discharged, the fuse portion 2 is blown first, and also It can ensure that the fuse part 2 is blown at the position with the slot, prevent the fuse part 2 from fuse at the edge position close to the first connection part 1 or the edge position close to the second connection part 3, and ensure that the fuse part 2 can form the first fuse after the fuse part 2 is blown.
  • the opening portion 21 and the second disconnecting portion 22 can also be provided with at least one slot along the width direction, which can further reduce the width of the fuse portion 2 to ensure that when the cell is short-circuited or overcharged and over-discharged, the fuse portion 2 is blown first, and also It can ensure that the fuse part 2 is blown at the position with the slot, prevent the fuse part 2 from fuse at the edge position close to the first connection part 1 or the edge position close to the second connection part 3, and ensure
  • the cross-sectional area of the fuse part 2 is smaller than that of the first connecting part 1 and the second connecting part 3 .
  • the cross-sectional area of the second connecting portion 3, the two sides of the fuse portion 2 respectively form two opening slots 23 with the first connecting portion 1 and the second connecting portion 3, and the insulating member 4 also includes two corresponding opening slots 23 connected to the first portion 41.
  • the two filling parts 43 of each opening slot 23, and the shape and size of the filling part 43 can be the same as the shape and size of the opening slot 23, so that the two filling parts 43 completely fill the two opening slots 23 to resist the fuse part 23.
  • the two filling parts 43 can further stabilize the first disconnection part 21 and the second disconnection part 22, and improve the insulation member 4 after the fuse part 2 is blown.
  • the fixing effect of the two disconnecting parts 22 is .
  • the insulating member 4 further includes a third portion 44 located on the side of the fuse portion 2 away from the first portion 41 and connected with the two second portions 42 , so that the insulating member 4 can be insulated
  • the layer 4 covers at least part of the fuse portion 2 , further preventing the insulating member 4 from falling off, and further improving the fixing effect of the insulating member 4 on the first breaking portion 21 and the second breaking portion 22 after the fuse portion 2 is fused.
  • the third portion 44 is attached and connected to at least part of the bottom surface of the fuse portion 2 , so as to further improve the adhesion strength between the insulating member 4 and the fuse portion 2 .
  • the third part 44 is also attached to and connected to the bottom surface of the first connection part 1 and/or the second connection part 3 , thereby further improving the adhesion strength of the insulating member 4 and the first connection part 1 and/or the second connection part 3 .
  • the top surface of the fuse part 2 is flush with the top surfaces of the first connection part 1 and the second connection part 3
  • the bottom surface of the fuse part 2 is flush with the bottom surfaces of the first connection part 1 and the second connection part 3 so that the surfaces of the fuse part 2, the first connection part 1 and the second connection part 3 are flat, which is beneficial for the insulator 4 to fit with the fuse part 2, the first connection part 1 and the second connection part 3, and improves the insulation performance.
  • the adhesion strength with the fuse part 2, the first connection part 1 and the second connection part 3 can prevent the insulating member 4 from falling off, thereby improving the insulation member 4 to the first disconnection part 21 and the second disconnection part 2 after the fuse part 2 is blown.
  • the fixing effect of the opening 22 is beneficial for the insulator 4 to fit with the fuse part 2, the first connection part 1 and the second connection part 3.
  • the insulating member 4 may be a metal oxide film. Since the fuse part 2 is a metal material, the melting point of the metal oxide is higher than the melting point of the metal. The melting point of zinc is 419° C., and the melting point of zinc oxide is 1975° C. Therefore, it can be ensured that the melting point of the insulating member 4 is greater than the melting point of the fuse portion 2 , so as to prevent the insulating member 4 from melting or fusing after the fuse portion 2 is fused.
  • the metal oxide film is provided on the fuse portion 2 and is integrally formed with the fuse portion 2, that is, the insulating member 4 is a metal oxide film formed after the surface of the fuse portion 2 is oxidized, and is formed by oxidizing the surface of the fuse portion 2.
  • a layer of metal oxide film can ensure that the melting point of the insulating member 4 is greater than the melting point of the fuse portion 2, so as to prevent the insulating member 4 from melting or fusing after the fuse portion 2 is blown, and the surface of the fuse portion 2 is oxidized to form metal oxides
  • the surface adhesion strength of the film to the fuse portion 2 is high, which can prevent the insulating member 4 from falling off, thereby further improving the fixing effect of the insulating member 4 on the first breaking portion 21 and the second breaking portion 22 after the fuse portion 2 is fused.
  • the oxide film may be an aluminum oxide film. That is, the material of the fuse portion 2 of the present application is preferably aluminum, and the aluminum oxide film is formed after the aluminum is oxidized. Since the melting point of aluminum is 660° C., the melting point of aluminum oxide is 2054° C. Therefore, it can be ensured that the melting point of the insulating member 4 is greater than the melting point of the fuse portion 2, so as to prevent the insulating member 4 from being melted or blown after the fuse portion 2 is fused.
  • a chemical oxidation method, an alkaline oxidation method, an acid oxidation method or an anodization method can be used to oxidize the surface of the fuse part 2 to form an oxide film, so as to improve the adhesion strength of the oxide film and the fuse part 2 and prevent oxidation The film falls off, thereby further avoiding secondary contact of the fused adapter sheet due to the shaking of the battery.
  • a shielding layer can be formed on the first connection part 1 and the second connection part 3, for example After the ink finishes oxidizing the surface of the fusing portion 2, the shielding layer is removed.
  • the thickness of the metal oxide film can be specifically fabricated according to the actual situation, for example, 0.01mm-0.5mm, which is not limited in this application.
  • the insulating member 4 may not be in contact with the fuse part 2, but the insulating member 4 may be connected with the first connecting part 1 and the second connecting part 3, and when the cell is short-circuited or overcharged and overdischarged, the fuse is blown.
  • the heat generated by the part 2 is relatively high and the fuse is generated, forming the first disconnection part 21 and the second disconnection part 22 arranged at intervals, and the first connection part 1 and the second connection part 3 are fixed by the insulating member 4, so as to be fixed.
  • the first disconnection portion 21 and the second disconnection portion 22 further stabilize the fused fuse portion 2 to avoid secondary contact between the first disconnection portion 21 and the second disconnection portion 22 due to the shaking of the battery, thereby improving the battery performance. security.
  • the melting point of the insulating member 4 may not be greater than the melting point of the fuse portion 2.
  • the material of 4 only needs to be a material with sufficient strength, for example, a ceramic material, a high-strength plastic or a high-strength resin, which is not limited in this application.
  • an embodiment of the present application further provides a secondary battery, which includes the above-mentioned adapter sheet.
  • a secondary battery which includes the above-mentioned adapter sheet.
  • an embodiment of the present application further provides a battery module including a plurality of the above-mentioned secondary batteries.
  • the heat generated by the fuse part 2 is relatively high and fuse occurs, forming a first disconnection part 21 and a second disconnection part 22 arranged at intervals, and the first disconnection part 22 is fixed by the insulating member 4
  • the opening part 21 and the second disconnecting part 22 can stabilize the fusing part 2 after being blown, and prevent the first disconnecting part 21 and the second disconnecting part 22 from making secondary contact due to the shaking of the battery, thereby improving the stability of the battery module. safety.
  • the above components or structures can be implemented as independent entities, or can be arbitrarily combined to be implemented as the same or several entities.
  • the specific implementation of the above components or structures can refer to the previous embodiments. Repeat.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

L'invention concerne une feuille d'adaptateur, une batterie secondaire et un module de batterie. La feuille d'adaptateur comprend une première partie de connexion, une partie fusible, une seconde partie de connexion et une partie isolante, la partie fusible étant positionnée entre la première partie de connexion et la seconde partie de connexion, et étant reliée à la première partie de connexion et à la seconde partie de connexion ; et après que la partie fusible est fondue, une première partie déconnectée et une seconde partie déconnectée espacées l'une de l'autre sont formées. La partie isolante est configurée pour fixer la première partie déconnectée et la seconde partie déconnectée de manière à stabiliser la partie fusible fusionnée et à éviter un contact secondaire entre la première partie déconnectée et la seconde partie déconnectée provoqué par la secousse de la batterie, ce qui permet d'améliorer la sécurité de la batterie.
PCT/CN2021/091781 2021-01-29 2021-04-30 Feuille d'adaptateur, batterie secondaire et module de batterie WO2022160494A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110124889.4 2021-01-29
CN202110124889.4A CN112787047A (zh) 2021-01-29 2021-01-29 转接片、二次电池及电池模组

Publications (1)

Publication Number Publication Date
WO2022160494A1 true WO2022160494A1 (fr) 2022-08-04

Family

ID=75759718

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/091781 WO2022160494A1 (fr) 2021-01-29 2021-04-30 Feuille d'adaptateur, batterie secondaire et module de batterie

Country Status (2)

Country Link
CN (1) CN112787047A (fr)
WO (1) WO2022160494A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115863934A (zh) * 2022-11-25 2023-03-28 厦门海辰储能科技股份有限公司 电池、电池模组与用电设备

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023141980A1 (fr) * 2022-01-28 2023-08-03 宁德时代新能源科技股份有限公司 Ensemble électrode, élément de batterie, batterie et dispositif électrique
WO2023178600A1 (fr) * 2022-03-24 2023-09-28 宁德时代新能源科技股份有限公司 Élément de collecte de courant, cellule de batterie, batterie et dispositif de consommation d'énergie
CN115295972B (zh) * 2022-09-26 2022-12-27 江苏时代新能源科技有限公司 转接片、电池单体、电池及用电装置
CN115911775B (zh) * 2023-02-09 2023-05-16 深圳海润新能源科技有限公司 集流构件、储能装置及用电设备

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180123161A1 (en) * 2016-11-01 2018-05-03 Contemporary Amperex Technology Co., Limited Secondary battery
CN108155334A (zh) * 2016-12-02 2018-06-12 宁德时代新能源科技股份有限公司 二次电池
CN108428852A (zh) * 2018-01-12 2018-08-21 宁德时代新能源科技股份有限公司 二次电池及汽车
CN109786644A (zh) * 2019-02-22 2019-05-21 中兴高能技术有限责任公司 连接片、盖板组件和电池
CN209329018U (zh) * 2019-01-22 2019-08-30 中兴高能技术有限责任公司 一种电池的连接片组件和电池
CN211017134U (zh) * 2019-12-02 2020-07-14 宁德时代新能源科技股份有限公司 顶盖组件、二次电池、电池模块以及装置
CN214280158U (zh) * 2021-01-29 2021-09-24 常州瑞德丰精密技术有限公司 转接片、二次电池及电池模组

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180123161A1 (en) * 2016-11-01 2018-05-03 Contemporary Amperex Technology Co., Limited Secondary battery
CN108155334A (zh) * 2016-12-02 2018-06-12 宁德时代新能源科技股份有限公司 二次电池
CN108428852A (zh) * 2018-01-12 2018-08-21 宁德时代新能源科技股份有限公司 二次电池及汽车
CN209329018U (zh) * 2019-01-22 2019-08-30 中兴高能技术有限责任公司 一种电池的连接片组件和电池
CN109786644A (zh) * 2019-02-22 2019-05-21 中兴高能技术有限责任公司 连接片、盖板组件和电池
CN211017134U (zh) * 2019-12-02 2020-07-14 宁德时代新能源科技股份有限公司 顶盖组件、二次电池、电池模块以及装置
CN214280158U (zh) * 2021-01-29 2021-09-24 常州瑞德丰精密技术有限公司 转接片、二次电池及电池模组

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115863934A (zh) * 2022-11-25 2023-03-28 厦门海辰储能科技股份有限公司 电池、电池模组与用电设备

Also Published As

Publication number Publication date
CN112787047A (zh) 2021-05-11

Similar Documents

Publication Publication Date Title
WO2022160494A1 (fr) Feuille d'adaptateur, batterie secondaire et module de batterie
JP4608456B2 (ja) 二次電池
TWI250682B (en) Battery pack
CN106663773B (zh) 电极构件及集电板、电池组
JP4558671B2 (ja) 二次電池
CN214280158U (zh) 转接片、二次电池及电池模组
WO2022051915A1 (fr) Ensemble électrode, dispositif électrochimique et dispositif électronique
US10910673B2 (en) Rectangular secondary battery and method of manufacturing the same
WO2023185283A1 (fr) Batterie
EP2866281B1 (fr) Batterie rechargeable ayant un fusible
US11342639B2 (en) Secondary battery and battery pack including the same
CN102044651A (zh) 电池包
EP2793295A2 (fr) Batterie rechargeable
KR102229624B1 (ko) 이차전지
WO2024027005A1 (fr) Élément adaptateur, cellule de batterie, batterie et dispositif électrique
WO2014137017A1 (fr) Ensemble électrode à coins arrondis
CN102130321B (zh) 二次电池及其制造方法
JP7086112B2 (ja) バッテリーモジュール及びその製造方法
WO2023185288A1 (fr) Batterie
WO2023185285A1 (fr) Batterie
US8216706B2 (en) Battery pack
US20100178534A1 (en) Battery pack
CN216720236U (zh) 转接片、电池单体、电池及用电装置
JP2008112723A (ja) 二次電池
WO2024066054A1 (fr) Feuille d'adaptateur, élément de batterie, batterie et appareil électrique

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21922092

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21922092

Country of ref document: EP

Kind code of ref document: A1