CN114026722A - 隔板、包含该隔板的电化学装置及电子装置 - Google Patents

隔板、包含该隔板的电化学装置及电子装置 Download PDF

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Publication number
CN114026722A
CN114026722A CN202080030670.1A CN202080030670A CN114026722A CN 114026722 A CN114026722 A CN 114026722A CN 202080030670 A CN202080030670 A CN 202080030670A CN 114026722 A CN114026722 A CN 114026722A
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separator
insulating layer
diaphragm
positive
negative
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Pending
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CN202080030670.1A
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English (en)
Inventor
张益博
胡乔舒
张楠
严坤
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Ningde Amperex Technology Ltd
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Ningde Amperex Technology Ltd
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Publication of CN114026722A publication Critical patent/CN114026722A/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
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • 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
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
    • 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
    • H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
    • H01M50/593—Spacers; Insulating plates
    • 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
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/029—Bipolar electrodes
    • 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)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Secondary Cells (AREA)
  • Cell Separators (AREA)

Abstract

本申请提供了一种隔板、包含该隔板的电化学装置及电子装置，包括隔板基体、正极膜片、负极膜片和绝缘层；其中，正极膜片和负极膜片分别位于所述隔板基体的两面；绝缘层设置在隔板基体上，且绝缘层设置在正极膜片的外围；绝缘层的外边缘在隔板基体上的正投影所包围的区域覆盖负极膜片在隔板基体上的正投影。本申请能够提高电化学装置的自放电性能和安全性。

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。
CN202080030670.1A 2020-06-30 2020-06-30 隔板、包含该隔板的电化学装置及电子装置 Pending CN114026722A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/099430 WO2022000312A1 (zh) 2020-06-30 2020-06-30 隔板、包含该隔板的电化学装置及电子装置

Publications (1)

Publication Number Publication Date
CN114026722A true CN114026722A (zh) 2022-02-08

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ID=79317322

Family Applications (1)

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CN202080030670.1A Pending CN114026722A (zh) 2020-06-30 2020-06-30 隔板、包含该隔板的电化学装置及电子装置

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Country Link
US (1) US20230125965A1 (zh)
EP (1) EP4156355A1 (zh)
JP (1) JP7361137B2 (zh)
CN (1) CN114026722A (zh)
WO (1) WO2022000312A1 (zh)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1251215A (zh) * 1997-02-28 2000-04-19 旭化成工业株式会社 无水二次电池及其制造方法
JP2007188746A (ja) * 2006-01-13 2007-07-26 Nissan Motor Co Ltd バイポーラ電池、組電池及びそれらの電池を搭載した車両
US20090092898A1 (en) * 2007-10-08 2009-04-09 Wonchull Han Electrode assembly and secondary battery having the same
JP2010250978A (ja) * 2009-04-10 2010-11-04 Nissan Motor Co Ltd 電池用電極の製造方法、電池用電極、双極型電池、組電池、および車両
JP2014013693A (ja) * 2012-07-04 2014-01-23 Mitsubishi Electric Corp リチウムイオン二次電池およびその製造方法
CN104282877A (zh) * 2014-10-16 2015-01-14 东莞新能源科技有限公司 电极片及含有该电极片的锂离子电池
CN104904053A (zh) * 2013-11-27 2015-09-09 株式会社Lg化学 电极组件和包含其的电化学装置
KR101739863B1 (ko) * 2015-12-04 2017-05-25 재단법인 포항산업과학연구원 리튬 이차 전지
JP2018028980A (ja) * 2016-08-16 2018-02-22 トヨタ自動車株式会社 バイポーラ電池
JP2018056435A (ja) * 2016-09-30 2018-04-05 旭化成株式会社 非水系リチウム型蓄電素子
CN109244475A (zh) * 2018-11-05 2019-01-18 宁德新能源科技有限公司 电化学装置及包含其的电子装置
WO2019230323A1 (ja) * 2018-05-28 2019-12-05 本田技研工業株式会社 バイポーラ電極の製造方法及びバイポーラ電極
EP3648204A1 (en) * 2018-11-05 2020-05-06 Ningde Amperex Technology Limited Cathode, electrochemical device and electronic device comprising same

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1251215A (zh) * 1997-02-28 2000-04-19 旭化成工业株式会社 无水二次电池及其制造方法
JP2007188746A (ja) * 2006-01-13 2007-07-26 Nissan Motor Co Ltd バイポーラ電池、組電池及びそれらの電池を搭載した車両
US20090092898A1 (en) * 2007-10-08 2009-04-09 Wonchull Han Electrode assembly and secondary battery having the same
CN101409339A (zh) * 2007-10-08 2009-04-15 三星Sdi株式会社 电极组件和具有该电极组件的二次电池
JP2010250978A (ja) * 2009-04-10 2010-11-04 Nissan Motor Co Ltd 電池用電極の製造方法、電池用電極、双極型電池、組電池、および車両
JP2014013693A (ja) * 2012-07-04 2014-01-23 Mitsubishi Electric Corp リチウムイオン二次電池およびその製造方法
CN104904053A (zh) * 2013-11-27 2015-09-09 株式会社Lg化学 电极组件和包含其的电化学装置
CN104282877A (zh) * 2014-10-16 2015-01-14 东莞新能源科技有限公司 电极片及含有该电极片的锂离子电池
KR101739863B1 (ko) * 2015-12-04 2017-05-25 재단법인 포항산업과학연구원 리튬 이차 전지
JP2018028980A (ja) * 2016-08-16 2018-02-22 トヨタ自動車株式会社 バイポーラ電池
JP2018056435A (ja) * 2016-09-30 2018-04-05 旭化成株式会社 非水系リチウム型蓄電素子
WO2019230323A1 (ja) * 2018-05-28 2019-12-05 本田技研工業株式会社 バイポーラ電極の製造方法及びバイポーラ電極
CN109244475A (zh) * 2018-11-05 2019-01-18 宁德新能源科技有限公司 电化学装置及包含其的电子装置
EP3648204A1 (en) * 2018-11-05 2020-05-06 Ningde Amperex Technology Limited Cathode, electrochemical device and electronic device comprising same

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JP7361137B2 (ja) 2023-10-13
JP2022542749A (ja) 2022-10-07
EP4156355A1 (en) 2023-03-29
WO2022000312A1 (zh) 2022-01-06
US20230125965A1 (en) 2023-04-27

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