CN115066762A - 一种电极组件和包含所述电极组件的电化学装置及电子装置 - Google Patents

一种电极组件和包含所述电极组件的电化学装置及电子装置 Download PDF

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CN115066762A
CN115066762A CN202080095620.1A CN202080095620A CN115066762A CN 115066762 A CN115066762 A CN 115066762A CN 202080095620 A CN202080095620 A CN 202080095620A CN 115066762 A CN115066762 A CN 115066762A
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electrode
layer
spinning layer
electrode assembly
spinning
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邵颖
张益博
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Ningde Amperex Technology Ltd
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Ningde Amperex Technology 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
    • H01M50/50—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
    • H01M50/591—Covers
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/471—Spacing elements inside cells other than separators, membranes or diaphragms; Manufacturing processes thereof
    • H01M50/474—Spacing elements inside cells other than separators, membranes or diaphragms; Manufacturing processes thereof characterised by their position inside 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/431—Inorganic material
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/446—Composite material consisting of a mixture of organic and inorganic materials
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/471—Spacing elements inside cells other than separators, membranes or diaphragms; Manufacturing processes thereof
    • H01M50/48—Spacing elements inside cells other than separators, membranes or diaphragms; Manufacturing processes thereof characterised by the material
    • H01M50/483—Inorganic material
    • H—ELECTRICITY
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    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/471—Spacing elements inside cells other than separators, membranes or diaphragms; Manufacturing processes thereof
    • H01M50/48—Spacing elements inside cells other than separators, membranes or diaphragms; Manufacturing processes thereof characterised by the material
    • H01M50/486—Organic material
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    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H01M50/491—Porosity
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    • 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
    • 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
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    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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    • 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
    • H01M2220/00—Batteries for particular applications
    • H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
    • 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)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)
  • Cell Separators (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

一种电极组件和包含所述电极组件的电化学装置，所述电极组件包括：电极极片和设置在所述电极极片上的内嵌式极耳(1,3)；所述电极极片表面上设置有纺丝层(4)，且所述纺丝层(4)覆盖电极极片表面并与电极极片表面接触，其中所述电极极片表面包括极耳表面。采用纺丝层(4)取代传统的隔膜，纺丝层(4)与极片成为一个整体。特别是在内嵌式极耳(1,3)的电池结构中，由于纺丝层(4)能够隔绝金属毛刺，需要贴绿胶的极耳处可以被纺丝层(4)取代，从而取消极耳处的贴胶；同时，纺丝层(4)不会阻断锂离子的传输，原来被绿胶覆盖的活性材料部分的容量得以正常发挥，从而提升了能量密度。

Description

PCT国内申请，说明书已公开。

Claims (12)

  1. PCT国内申请，权利要求书已公开。
CN202080095620.1A 2020-03-27 2020-03-27 一种电极组件和包含所述电极组件的电化学装置及电子装置 Pending CN115066762A (zh)

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PCT/CN2020/081824 WO2021189467A1 (zh) 2020-03-27 2020-03-27 一种电极组件和包含所述电极组件的电化学装置及电子装置

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CN115066762A true CN115066762A (zh) 2022-09-16

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US (1) US20230024456A1 (zh)
EP (1) EP4131457A4 (zh)
JP (1) JP7463534B2 (zh)
KR (1) KR20220140005A (zh)
CN (1) CN115066762A (zh)
WO (1) WO2021189467A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114122518B (zh) * 2021-11-23 2023-06-09 珠海冠宇电池股份有限公司 一种电池

Citations (11)

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JP2003109654A (ja) * 2001-09-28 2003-04-11 Matsushita Electric Ind Co Ltd 電池用極板およびその製造方法
CN202758971U (zh) * 2012-08-22 2013-02-27 安赛锂能(合肥)有限公司 一种锂离子电池负极极片结构
CN103168384A (zh) * 2010-09-30 2013-06-19 应用材料公司 电纺丝锂离子电池的整合隔离件
CN104518191A (zh) * 2013-09-30 2015-04-15 株式会社东芝 二次电池
CN105914339A (zh) * 2016-06-20 2016-08-31 吉安市优特利科技有限公司 锂离子二次电池
CN106129327A (zh) * 2016-08-10 2016-11-16 欣旺达电子股份有限公司 锂离子电池正极极片及锂离子电池
CN106450494A (zh) * 2016-08-29 2017-02-22 天津力神电池股份有限公司 埋极耳式极片的制备方法、极片及锂离子电池
JP2017054706A (ja) * 2015-09-10 2017-03-16 株式会社東芝 電極、電極の製造方法及び非水電解質電池
CN107516721A (zh) * 2016-06-16 2017-12-26 宁德新能源科技有限公司 电芯及储能装置
CN110224097A (zh) * 2018-03-01 2019-09-10 株式会社东芝 层叠体及二次电池
CN110224170A (zh) * 2018-03-01 2019-09-10 株式会社东芝 层叠体及二次电池

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5624653B2 (ja) * 2012-07-24 2014-11-12 株式会社東芝 二次電池
JP6847893B2 (ja) * 2018-07-02 2021-03-24 株式会社東芝 電極構造体および二次電池
JP7254941B2 (ja) * 2019-08-30 2023-04-10 株式会社東芝 電極、積層体及び二次電池

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003109654A (ja) * 2001-09-28 2003-04-11 Matsushita Electric Ind Co Ltd 電池用極板およびその製造方法
CN103168384A (zh) * 2010-09-30 2013-06-19 应用材料公司 电纺丝锂离子电池的整合隔离件
CN202758971U (zh) * 2012-08-22 2013-02-27 安赛锂能(合肥)有限公司 一种锂离子电池负极极片结构
CN104518191A (zh) * 2013-09-30 2015-04-15 株式会社东芝 二次电池
CN107579190A (zh) * 2013-09-30 2018-01-12 株式会社东芝 二次电池
JP2017054706A (ja) * 2015-09-10 2017-03-16 株式会社東芝 電極、電極の製造方法及び非水電解質電池
CN107516721A (zh) * 2016-06-16 2017-12-26 宁德新能源科技有限公司 电芯及储能装置
CN105914339A (zh) * 2016-06-20 2016-08-31 吉安市优特利科技有限公司 锂离子二次电池
CN106129327A (zh) * 2016-08-10 2016-11-16 欣旺达电子股份有限公司 锂离子电池正极极片及锂离子电池
CN106450494A (zh) * 2016-08-29 2017-02-22 天津力神电池股份有限公司 埋极耳式极片的制备方法、极片及锂离子电池
CN110224097A (zh) * 2018-03-01 2019-09-10 株式会社东芝 层叠体及二次电池
CN110224170A (zh) * 2018-03-01 2019-09-10 株式会社东芝 层叠体及二次电池

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WO2021189467A9 (zh) 2022-01-06
WO2021189467A1 (zh) 2021-09-30
JP7463534B2 (ja) 2024-04-08
EP4131457A1 (en) 2023-02-08
JP2023513813A (ja) 2023-04-03
KR20220140005A (ko) 2022-10-17
EP4131457A4 (en) 2023-05-31
US20230024456A1 (en) 2023-01-26

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