CN109792032A - 二次电池 - Google Patents

二次电池 Download PDF

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Publication number
CN109792032A
CN109792032A CN201680088928.7A CN201680088928A CN109792032A CN 109792032 A CN109792032 A CN 109792032A CN 201680088928 A CN201680088928 A CN 201680088928A CN 109792032 A CN109792032 A CN 109792032A
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CN
China
Prior art keywords
terminal
secondary cell
pole piece
coping plate
contact chip
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.)
Granted
Application number
CN201680088928.7A
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English (en)
Other versions
CN109792032B (zh
Inventor
蔡如来
林永寿
李全坤
杨伟
王鹏
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.)
Contemporary Amperex Technology Co Ltd
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Contemporary Amperex Technology 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.)
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Publication date
Application filed by Contemporary Amperex Technology Co Ltd filed Critical Contemporary Amperex Technology Co Ltd
Publication of CN109792032A publication Critical patent/CN109792032A/zh
Application granted granted Critical
Publication of CN109792032B publication Critical patent/CN109792032B/zh
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings; Jackets or wrappings
    • H01M50/147Lids or covers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/572Means for preventing undesired use or discharge
    • H01M50/574Devices or arrangements for the interruption of current
    • H01M50/583Devices or arrangements for the interruption of current in response to current, e.g. fuses
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/572Means for preventing undesired use or discharge
    • H01M50/584Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/588Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries outside the batteries, e.g. incorrect connections of terminals or busbars
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/572Means for preventing undesired use or discharge
    • H01M50/584Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/59Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
    • H01M50/591Covers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

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

Abstract

一种二次电池,该二次电池包括电极组件(31)、第一端子(11)和第二端子(21)以及顶盖片(41),电极组件(31)包括第一极片和第二极片,第一端子(11)与第一极片电连接,第二端子(21)与第二极片电连接,二次电池还包括:第一电阻构件(18)、第二电阻构件(24)、附接于第一端子(11)的接触片(12)、与第二端子(21)电连接的导电片(22),顶盖片(41)通过第一电阻构件(18)始终与第一端子(11)电连接,且顶盖片(41)与第二端子(21)以及导电片(22)绝缘设置,当二次电池的内部压力超过基准压力时,接触片(12)与导电片(22)接触,以形成通过第一极片、第一端子(11)、接触片(12)、导电片(22)、第二端子(21)以及第二极片的电连接路径,第二电阻构件(24)串联于该路径中,第一电阻构件(18)的阻值大于第二电阻构件(24)的阻值。该方案对二次电池实现了两方面的保护,提高了二次电池的安全性。

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。
CN201680088928.7A 2016-11-15 2016-11-15 二次电池 Active CN109792032B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/105866 WO2018090180A1 (zh) 2016-11-15 2016-11-15 二次电池

Publications (2)

Publication Number Publication Date
CN109792032A true CN109792032A (zh) 2019-05-21
CN109792032B CN109792032B (zh) 2021-08-20

Family

ID=62145968

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201680088928.7A Active CN109792032B (zh) 2016-11-15 2016-11-15 二次电池

Country Status (2)

Country Link
CN (1) CN109792032B (zh)
WO (1) WO2018090180A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110867556B (zh) * 2019-12-11 2023-07-25 深圳普瑞赛思检测技术有限公司 安全防护电池顶盖、单体电池和动力电池组

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102487135A (zh) * 2010-12-02 2012-06-06 Sb锂摩托有限公司 可再充电电池
US20130252079A1 (en) * 2012-03-20 2013-09-26 Min-Hyung Guen Rechargeable battery including a resistance member
JP2014099347A (ja) * 2012-11-15 2014-05-29 Toyota Industries Corp 蓄電装置
CN103996816A (zh) * 2013-02-14 2014-08-20 三星Sdi株式会社 电池模块
CN204614848U (zh) * 2015-05-11 2015-09-02 宁德时代新能源科技有限公司 锂离子电池外短路连接装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102487135A (zh) * 2010-12-02 2012-06-06 Sb锂摩托有限公司 可再充电电池
US20130252079A1 (en) * 2012-03-20 2013-09-26 Min-Hyung Guen Rechargeable battery including a resistance member
JP2014099347A (ja) * 2012-11-15 2014-05-29 Toyota Industries Corp 蓄電装置
CN103996816A (zh) * 2013-02-14 2014-08-20 三星Sdi株式会社 电池模块
CN204614848U (zh) * 2015-05-11 2015-09-02 宁德时代新能源科技有限公司 锂离子电池外短路连接装置

Also Published As

Publication number Publication date
WO2018090180A1 (zh) 2018-05-24
CN109792032B (zh) 2021-08-20

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