CN112310517B - 二次电池、电池模块、电池组、装置及制造方法 - Google Patents

二次电池、电池模块、电池组、装置及制造方法 Download PDF

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Publication number
CN112310517B
CN112310517B CN201910976467.2A CN201910976467A CN112310517B CN 112310517 B CN112310517 B CN 112310517B CN 201910976467 A CN201910976467 A CN 201910976467A CN 112310517 B CN112310517 B CN 112310517B
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plate
secondary battery
tab
cover plate
accommodating cavity
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Chinese (zh)
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CN112310517A (zh
Inventor
陈雷
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Contemporary Amperex Technology Co Ltd
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Contemporary Amperex Technology Co Ltd
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Priority to CN201910976467.2A priority Critical patent/CN112310517B/zh
Priority to JP2022520899A priority patent/JP7477604B2/ja
Priority to KR1020227011343A priority patent/KR102549509B1/ko
Priority to EP20827973.7A priority patent/EP3836297B1/en
Priority to US17/056,049 priority patent/US11837736B2/en
Priority to PCT/CN2020/105867 priority patent/WO2021073200A1/zh
Publication of CN112310517A publication Critical patent/CN112310517A/zh
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    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/147—Lids or covers
    • H01M50/148—Lids or covers characterised by their shape
    • H01M50/154—Lid or cover comprising an axial bore for receiving a central current collector
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/172—Arrangements of electric connectors penetrating the casing
    • H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
    • H01M50/176—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for prismatic or rectangular cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/0404—Machines for assembling batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/0431—Cells with wound or folded electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/049—Processes for forming or storing electrodes in the battery container
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/147—Lids or covers
    • H01M50/148—Lids or covers characterised by their shape
    • H01M50/15—Lids or covers characterised by their shape for prismatic or rectangular cells
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/147—Lids or covers
    • H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
    • H01M50/169—Lids or covers characterised by the methods of assembling casings with lids by welding, brazing or soldering
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/183—Sealing members
    • H01M50/186—Sealing members characterised by the disposition of the sealing members
    • 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
    • H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
    • 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
    • H01M50/543—Terminals
    • H01M50/545—Terminals formed by the casing of the cells
    • 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
    • H01M50/543—Terminals
    • H01M50/547—Terminals characterised by the disposition of the terminals on the cells
    • H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
    • 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
    • H01M50/543—Terminals
    • H01M50/564—Terminals characterised by their manufacturing process
    • H01M50/566—Terminals characterised by their manufacturing process by welding, soldering or brazing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
    • 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
    • H01M50/271—Lids or covers for the racks or secondary casings
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Secondary Cells (AREA)
  • Cell Separators (AREA)
  • Battery Mounting, Suspending (AREA)
CN201910976467.2A 2019-10-15 2019-10-15 二次电池、电池模块、电池组、装置及制造方法 Active CN112310517B (zh)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN201910976467.2A CN112310517B (zh) 2019-10-15 2019-10-15 二次电池、电池模块、电池组、装置及制造方法
JP2022520899A JP7477604B2 (ja) 2019-10-15 2020-07-30 二次電池、電池モジュール、電池パック、装置及び製造方法
KR1020227011343A KR102549509B1 (ko) 2019-10-15 2020-07-30 이차 전지, 전지 모듈, 전지 팩, 장치 및 그 제조 방법
EP20827973.7A EP3836297B1 (en) 2019-10-15 2020-07-30 Secondary battery, battery module, battery pack, device and manufacturing method
US17/056,049 US11837736B2 (en) 2019-10-15 2020-07-30 Secondary battery, battery module, battery pack, device, and manufacturing method
PCT/CN2020/105867 WO2021073200A1 (zh) 2019-10-15 2020-07-30 二次电池、电池模块、电池组、装置及制造方法

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CN201910976467.2A CN112310517B (zh) 2019-10-15 2019-10-15 二次电池、电池模块、电池组、装置及制造方法

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CN112310517A CN112310517A (zh) 2021-02-02
CN112310517B true CN112310517B (zh) 2024-02-20

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US (1) US11837736B2 (https=)
EP (1) EP3836297B1 (https=)
JP (1) JP7477604B2 (https=)
KR (1) KR102549509B1 (https=)
CN (1) CN112310517B (https=)
WO (1) WO2021073200A1 (https=)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022226965A1 (zh) * 2021-04-30 2022-11-03 宁德时代新能源科技股份有限公司 电池单体、电池、用电设备及电池的制造方法和设备
CN115347282B (zh) * 2021-05-14 2024-05-31 中创新航科技股份有限公司 电池、电池组及电池制造方法
CN115882132A (zh) * 2021-09-27 2023-03-31 宁德时代新能源科技股份有限公司 电池单体、电池、用电装置、制造方法以及制造设备
WO2023065188A1 (zh) * 2021-10-20 2023-04-27 宁德时代新能源科技股份有限公司 电池单体、电池、用电设备、电池单体的制造方法和设备
WO2023133777A1 (zh) * 2022-01-13 2023-07-20 宁德时代新能源科技股份有限公司 电池单体、电池、用电设备及电池单体的制造方法和设备
JP7584489B2 (ja) * 2022-04-06 2024-11-15 株式会社Ａｅｓｃジャパン バッテリー
CN114614171A (zh) * 2022-04-12 2022-06-10 浙江极氪智能科技有限公司 电池组件以及极耳与盖板的连接方法
CN117941163A (zh) * 2022-06-17 2024-04-26 宁德时代新能源科技股份有限公司 电池单体、电池以及用电装置
EP4507083A4 (en) * 2022-07-21 2025-07-09 Contemporary Amperex Technology Co Ltd BATTERY CELL AND METHOD FOR MANUFACTURING SAME, BATTERY AND ELECTRICAL DEVICE
CN116190932A (zh) * 2022-09-07 2023-05-30 广州小鹏汽车科技有限公司 电池、电池的制造方法及车辆
WO2024098340A1 (zh) * 2022-11-10 2024-05-16 宁德时代新能源科技股份有限公司 电池单体及其制造方法、电池及用电设备
CN220189852U (zh) * 2023-05-11 2023-12-15 宁德时代新能源科技股份有限公司 电池单体、电池及用电装置
CN220627966U (zh) * 2023-07-25 2024-03-19 株式会社Aesc日本 圆柱电芯、电池组及电子设备
KR20250029486A (ko) * 2023-08-23 2025-03-05 삼성에스디아이 주식회사 이차 전지
CN119812690B (zh) * 2023-10-10 2026-01-27 宁德时代新能源科技股份有限公司 电池单体、电池单体的制备方法、电池及用电装置
CN222126904U (zh) * 2024-02-07 2024-12-06 宁德时代新能源科技股份有限公司 电池单体、电池及用电装置
CN119725908B (zh) * 2024-12-31 2025-09-30 蜂巢能源科技股份有限公司 电池外壳及电池
CN121076415A (zh) * 2025-11-05 2025-12-05 宁德时代新能源科技股份有限公司 电池单体、电池装置及用电装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003142042A (ja) * 2001-11-02 2003-05-16 Matsushita Electric Ind Co Ltd 密閉型電池
JP2014203514A (ja) * 2013-04-01 2014-10-27 三洋電機株式会社 電池
CN206742419U (zh) * 2017-05-22 2017-12-12 宁德时代新能源科技股份有限公司 二次电池
CN207503881U (zh) * 2017-10-19 2018-06-15 浙江正泰电器股份有限公司 热继电器
CN108428921A (zh) * 2018-02-01 2018-08-21 宁德时代新能源科技股份有限公司 二次电池
CN209087917U (zh) * 2018-11-21 2019-07-09 宁德时代新能源科技股份有限公司 二次电池
CN210743996U (zh) * 2019-10-15 2020-06-12 宁德时代新能源科技股份有限公司 二次电池、电池模块、电池组及装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1479390A (zh) * 1997-11-07 2004-03-03 三洋电机株式会社 密闭式电池的制造方法及密闭式电池
JP4977932B2 (ja) 2001-07-09 2012-07-18 パナソニック株式会社 リチウムイオン二次電池およびその製造方法
JP2005044626A (ja) 2003-07-22 2005-02-17 Sanyo Gs Soft Energy Co Ltd 電池
DE102011112042A1 (de) * 2011-09-01 2013-03-07 Airbus Operations Gmbh Rührreibschweißverfahren zur Verbindung von plattenförmigen Werkstücken sowie Vorrichtung hierfür
CN103401015B (zh) 2013-07-26 2015-10-28 深圳市优特利电源有限公司 锂离子二次电池及其制造方法
KR102283782B1 (ko) 2014-11-26 2021-07-30 삼성에스디아이 주식회사 이차전지
KR102487890B1 (ko) * 2015-08-25 2023-01-12 삼성에스디아이 주식회사 이차 전지
KR102567831B1 (ko) 2015-10-02 2023-08-17 삼성에스디아이 주식회사 이차 전지
CN207800665U (zh) 2018-02-01 2018-08-31 宁德时代新能源科技股份有限公司 二次电池的顶盖组件以及二次电池
KR102483157B1 (ko) * 2018-02-12 2022-12-30 주식회사 엘지에너지솔루션 이차전지
CN110729421B (zh) 2019-11-19 2024-06-18 湖南领湃达志科技股份有限公司 电池盖板组件、电池电芯及其组装方法以及连接片

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003142042A (ja) * 2001-11-02 2003-05-16 Matsushita Electric Ind Co Ltd 密閉型電池
JP2014203514A (ja) * 2013-04-01 2014-10-27 三洋電機株式会社 電池
CN206742419U (zh) * 2017-05-22 2017-12-12 宁德时代新能源科技股份有限公司 二次电池
CN207503881U (zh) * 2017-10-19 2018-06-15 浙江正泰电器股份有限公司 热继电器
CN108428921A (zh) * 2018-02-01 2018-08-21 宁德时代新能源科技股份有限公司 二次电池
CN209087917U (zh) * 2018-11-21 2019-07-09 宁德时代新能源科技股份有限公司 二次电池
CN210743996U (zh) * 2019-10-15 2020-06-12 宁德时代新能源科技股份有限公司 二次电池、电池模块、电池组及装置

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EP3836297A4 (en) 2021-09-29
JP2022550613A (ja) 2022-12-02
US11837736B2 (en) 2023-12-05
EP3836297B1 (en) 2023-03-08
JP7477604B2 (ja) 2024-05-01
KR20220060545A (ko) 2022-05-11
WO2021073200A1 (zh) 2021-04-22
CN112310517A (zh) 2021-02-02
KR102549509B1 (ko) 2023-06-30
US20220352579A1 (en) 2022-11-03
EP3836297A1 (en) 2021-06-16

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