CN115917866A - 电池单体、电池、用电设备及电池单体的制造方法和设备 - Google Patents

电池单体、电池、用电设备及电池单体的制造方法和设备 Download PDF

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Publication number
CN115917866A
CN115917866A CN202180006574.8A CN202180006574A CN115917866A CN 115917866 A CN115917866 A CN 115917866A CN 202180006574 A CN202180006574 A CN 202180006574A CN 115917866 A CN115917866 A CN 115917866A
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China
Prior art keywords
groove
battery cell
end cap
battery
electrode assembly
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CN202180006574.8A
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English (en)
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CN115917866B (zh
Inventor
苏华圣
邢承友
李全坤
张静
金海族
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Contemporary Amperex Technology Co Ltd
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Contemporary Amperex Technology Co Ltd
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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
    • H01M50/166—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
    • H01M50/147—Lids or covers
    • H01M50/148—Lids or covers characterised by their shape
    • H01M50/152—Lids or covers characterised by their shape for cells having curved cross-section, e.g. round or elliptic
    • 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
    • H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
    • 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
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
    • 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
    • H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
    • H01M50/609—Arrangements or processes for filling with liquid, e.g. electrolytes
    • H01M50/627—Filling ports
    • H01M50/636—Closing or sealing filling ports, e.g. using lids
    • 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
    • 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)
  • Sealing Battery Cases Or Jackets (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Filling, Topping-Up Batteries (AREA)
  • Secondary Cells (AREA)

Abstract

本申请实施例提供了一种电池单体、电池、用电设备及电池单体的制造方法和设备，属于电池技术领域。电池单体包括电极组件、壳体以及端盖。电极组件具有第一极耳。壳体具有开口，壳体用于容纳电极组件。端盖用于与壳体连接并盖合于开口，端盖具有抵靠面和焊接槽，抵靠面用于与第一极耳相抵，焊接槽从端盖背离电极组件的一侧向靠近抵靠面的方向凹陷，端盖在抵靠面与焊接槽的底面之间形成连接部，连接部用于与第一极耳焊接。端盖设置有加强部，加强部凸设于底面，加强部用于增强连接部的强度。加强部能够对用于与第一极耳焊接的连接部起到加强作用，提高了连接部的强度，降低因连接部受压被破坏而导致电池单体失效的风险，提高了电池单体的使用寿命。

Description

PCT国内申请，说明书已公开。

Claims (20)

  1. PCT国内申请，权利要求书已公开。
CN202180006574.8A 2021-07-30 2021-07-30 电池单体、电池、用电设备及电池单体的制造方法和设备 Active CN115917866B (zh)

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PCT/CN2021/109912 WO2023004826A1 (zh) 2021-07-30 2021-07-30 电池单体、电池、用电设备及电池单体的制造方法和设备

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CN115917866A true CN115917866A (zh) 2023-04-04
CN115917866B CN115917866B (zh) 2024-09-06

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US (1) US20230048125A1 (zh)
EP (1) EP4148896A4 (zh)
JP (1) JP7492596B2 (zh)
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WO (1) WO2023004826A1 (zh)

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Publication number Priority date Publication date Assignee Title
CN116565408B (zh) * 2023-07-11 2023-11-28 宁德时代新能源科技股份有限公司 端盖组件、电池单体、电池以及用电装置

Citations (8)

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CN102867936A (zh) * 2011-07-05 2013-01-09 珠海银通新能源有限公司 高容量电池及其装配方法
US20170006740A1 (en) * 2015-07-01 2017-01-05 Hunter Douglas Inc. Static mitigation end cap for a covering for an architectural opening
CN206619636U (zh) * 2017-03-30 2017-11-07 陕西沃特玛新能源有限公司 一种电池
JP2019175690A (ja) * 2018-03-28 2019-10-10 株式会社豊田自動織機 蓄電装置
WO2020103014A1 (zh) * 2018-11-21 2020-05-28 深圳市马力科技有限公司 智能电池及其锂电芯
CN112713345A (zh) * 2021-03-26 2021-04-27 江苏时代新能源科技有限公司 电池单体、电池、用电装置、制造方法及制造设备
CN112909392A (zh) * 2021-03-30 2021-06-04 昆山宝创新能源科技有限公司 一种电池模组、电池包及用电设备
CN215266481U (zh) * 2021-07-30 2021-12-21 宁德时代新能源科技股份有限公司 电池单体、电池及用电设备

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JP2004071266A (ja) * 2002-08-05 2004-03-04 Sanyo Electric Co Ltd 非水電解液二次電池及びその製造方法
KR100922352B1 (ko) * 2007-10-02 2009-10-21 삼성에스디아이 주식회사 이차 전지
CN102217116B (zh) * 2008-11-21 2015-03-18 江森自控帅福得先进能源动力系统有限责任公司 用于电化学电池的集电器
FR3076085B1 (fr) * 2017-12-27 2022-03-04 Accumulateurs Fixes Couvercle d’element electrochimique a conduction thermique renforcee
CN213483848U (zh) * 2020-12-14 2021-06-18 中航锂电科技有限公司 电池盖板组件及具有其的电池
CN113097633A (zh) * 2021-03-31 2021-07-09 蜂巢能源科技(无锡)有限公司 一种电池及其组装工艺
CN112768845B (zh) * 2021-04-09 2021-09-14 江苏时代新能源科技有限公司 电池单体及其制造方法和制造系统、电池以及用电装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102867936A (zh) * 2011-07-05 2013-01-09 珠海银通新能源有限公司 高容量电池及其装配方法
US20170006740A1 (en) * 2015-07-01 2017-01-05 Hunter Douglas Inc. Static mitigation end cap for a covering for an architectural opening
CN206619636U (zh) * 2017-03-30 2017-11-07 陕西沃特玛新能源有限公司 一种电池
JP2019175690A (ja) * 2018-03-28 2019-10-10 株式会社豊田自動織機 蓄電装置
WO2020103014A1 (zh) * 2018-11-21 2020-05-28 深圳市马力科技有限公司 智能电池及其锂电芯
CN112713345A (zh) * 2021-03-26 2021-04-27 江苏时代新能源科技有限公司 电池单体、电池、用电装置、制造方法及制造设备
CN112909392A (zh) * 2021-03-30 2021-06-04 昆山宝创新能源科技有限公司 一种电池模组、电池包及用电设备
CN215266481U (zh) * 2021-07-30 2021-12-21 宁德时代新能源科技股份有限公司 电池单体、电池及用电设备

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WO2023004826A1 (zh) 2023-02-02
JP7492596B2 (ja) 2024-05-29
CN115917866B (zh) 2024-09-06
JP2023538709A (ja) 2023-09-11
US20230048125A1 (en) 2023-02-16
EP4148896A4 (en) 2024-07-24
EP4148896A1 (en) 2023-03-15

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