CN115735297A - 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
CN115735297A
CN115735297A CN202180013967.1A CN202180013967A CN115735297A CN 115735297 A CN115735297 A CN 115735297A CN 202180013967 A CN202180013967 A CN 202180013967A CN 115735297 A CN115735297 A CN 115735297A
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Prior art keywords
pressure relief
relief mechanism
battery cell
electrode assembly
end cover
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CN202180013967.1A
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CN115735297B (zh
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苏华圣
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Contemporary Amperex Technology Co Ltd
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Contemporary Amperex Technology Co Ltd
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Publication of CN115735297A publication Critical patent/CN115735297A/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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/54—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
    • 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
    • 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
    • H01M50/30—Arrangements for facilitating escape of gases
    • 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
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Secondary Cells (AREA)
  • Sealing Battery Cases Or Jackets (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。其中，电池单体包括电极组件、泄压机构以及端盖。电极组件具有第一极耳。壳体用于容纳电极组件。端盖用于盖合于壳体的开口，端盖上设有凹部，凹部从端盖背离电极组件的一侧沿面向电极组件的方向凹陷，凹部用于容纳泄压机构的至少一部分。端盖在凹部的底部形成有连接部，连接部用于与第一极耳焊接并形成第一焊接部，泄压机构在端盖的厚度方向上覆盖第一焊接部，使得第一焊接部与泄压机构在端盖的厚度方向上分布，泄压机构在垂直于端盖厚度方向上的尺寸不会受到第一焊接部的限制，可适当将凹部和泄压机构的尺寸做大，有利于提升泄压机构的泄压能力。

Description

PCT国内申请，说明书已公开。

Claims (18)

  1. PCT国内申请，权利要求书已公开。
CN202180013967.1A 2021-06-29 2021-06-29 电池单体、电池、用电设备及电池单体的制造方法和设备 Active CN115735297B (zh)

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Application Number Priority Date Filing Date Title
PCT/CN2021/103206 WO2023272501A1 (zh) 2021-06-29 2021-06-29 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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CN115735297A true CN115735297A (zh) 2023-03-03
CN115735297B CN115735297B (zh) 2023-12-19

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US (1) US20220416373A1 (zh)
EP (1) EP4138183A1 (zh)
CN (1) CN115735297B (zh)
WO (1) WO2023272501A1 (zh)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016051656A (ja) * 2014-09-01 2016-04-11 株式会社豊田自動織機 蓄電装置
CN111564577A (zh) * 2020-05-12 2020-08-21 路华置富电子(深圳)有限公司 具有盖帽支架的电池结构
CN111653710A (zh) * 2020-05-12 2020-09-11 路华置富电子(深圳)有限公司 具有可重复使用安全阀盖帽的电池
CN112151732A (zh) * 2020-09-30 2020-12-29 星恒电源(滁州)有限公司 一种圆形锂电池及其制备方法
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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013187172A (ja) * 2012-03-12 2013-09-19 Shin Kobe Electric Mach Co Ltd 鉛蓄電池
CN109103393A (zh) * 2018-09-03 2018-12-28 苏州宇量电池有限公司 一种无顶盖电池结构

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016051656A (ja) * 2014-09-01 2016-04-11 株式会社豊田自動織機 蓄電装置
CN111564577A (zh) * 2020-05-12 2020-08-21 路华置富电子(深圳)有限公司 具有盖帽支架的电池结构
CN111653710A (zh) * 2020-05-12 2020-09-11 路华置富电子(深圳)有限公司 具有可重复使用安全阀盖帽的电池
CN112151732A (zh) * 2020-09-30 2020-12-29 星恒电源(滁州)有限公司 一种圆形锂电池及其制备方法
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

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EP4138183A1 (en) 2023-02-22
CN115735297B (zh) 2023-12-19
US20220416373A1 (en) 2022-12-29

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