CN112970132A - 阴极片和具有所述阴极片的电极组件 - Google Patents

阴极片和具有所述阴极片的电极组件 Download PDF

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Publication number
CN112970132A
CN112970132A CN201980073831.2A CN201980073831A CN112970132A CN 112970132 A CN112970132 A CN 112970132A CN 201980073831 A CN201980073831 A CN 201980073831A CN 112970132 A CN112970132 A CN 112970132A
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China
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cathode
anode
current collector
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sheet
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CN201980073831.2A
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English (en)
Inventor
蔡正煌
龙海
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Ningde Amperex Technology Ltd
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Ningde Amperex Technology Ltd
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Publication of CN112970132A publication Critical patent/CN112970132A/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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/0431—Cells with wound or folded electrodes
    • 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
    • H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound 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
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/538—Connection of several leads or tabs of wound or folded electrode stacks
    • 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
    • H01M2004/028—Positive electrodes
    • 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
    • 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)
  • Materials Engineering (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)
  • Primary Cells (AREA)

Abstract

本申请提供一种阴极片，所述阴极片沿长度方向包括第一卷绕端和第二卷绕端。所述阴极片还包括阴极集流体以及第一阴极活性层。所述第一阴极活性层设置于所述阴极集流体的表面，所述第一阴极活性层包括位于所述第一卷绕端的第一端部，所述第一端部的边角处设有第一切口或第一阻挡层。本申请还提供一种具有所述阴极片的电极组件。

Description

PCT国内申请，说明书已公开。

Claims (10)

  1. PCT国内申请，权利要求书已公开。
CN201980073831.2A 2019-07-09 2019-07-09 阴极片和具有所述阴极片的电极组件 Pending CN112970132A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/095323 WO2021003679A1 (zh) 2019-07-09 2019-07-09 阴极片和具有所述阴极片的电极组件

Publications (1)

Publication Number Publication Date
CN112970132A true CN112970132A (zh) 2021-06-15

Family

ID=74115018

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201980073831.2A Pending CN112970132A (zh) 2019-07-09 2019-07-09 阴极片和具有所述阴极片的电极组件

Country Status (4)

Country Link
US (1) US20220037638A1 (zh)
EP (1) EP3846253A4 (zh)
CN (1) CN112970132A (zh)
WO (1) WO2021003679A1 (zh)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB285662A (en) * 1927-03-12 1928-02-23 Carl Ferdinand Schantz Process for recovering metal from iron pyrites, similar ores and liquors containing copper and zinc
JPH05234598A (ja) * 1992-02-21 1993-09-10 Matsushita Electric Ind Co Ltd 蓄電池の渦巻状極板群
CN103050647A (zh) * 2011-10-17 2013-04-17 索尼公司 电池、制造电池的方法、电池组、电子装置和电动车辆
CN205992575U (zh) * 2016-07-21 2017-03-01 中航锂电（洛阳）有限公司 正极片和卷绕式锂离子动力电池电芯及锂离子动力电池
WO2018021550A1 (ja) * 2016-07-29 2018-02-01 Ｎｅｃエナジーデバイス株式会社 フィルム外装電池及びその製造方法
KR20180013378A (ko) * 2016-07-29 2018-02-07 주식회사 엘지화학 전극조립체 제조방법 및 그를 포함하는 이차전지 제조방법
CN109494413A (zh) * 2018-11-12 2019-03-19 桑顿新能源科技有限公司 一种软包锂离子电池及其制备方法

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* Cited by examiner, † Cited by third party
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JPH11307128A (ja) * 1998-04-20 1999-11-05 Shin Kobe Electric Mach Co Ltd リチウムイオン二次電池
KR100911999B1 (ko) * 2008-01-28 2009-08-14 주식회사 엘지화학 절연특성이 향상된 전지
CN102324573B (zh) * 2011-09-02 2014-06-04 深圳市格瑞普电池有限公司 极片以及叠片锂离子电池
CN102969483A (zh) * 2012-12-13 2013-03-13 中国电子科技集团公司第十八研究所 锂离子电池用低固含量浆料的厚电极制备方法
JP6567821B2 (ja) * 2014-12-25 2019-08-28 三星エスディアイ株式会社Samsung SDI Co., Ltd. 非水電解質二次電池用巻回素子及び非水電解質二次電池
CN106025377B (zh) * 2016-08-01 2019-02-12 东莞新能源科技有限公司 一种卷绕式电芯
CN206040883U (zh) * 2016-09-22 2017-03-22 宁德新能源科技有限公司 一种卷绕式电芯
JPWO2018142723A1 (ja) * 2017-01-31 2019-11-14 パナソニックＩｐマネジメント株式会社 電池用リードおよび捲回型電池
DE112017007094T5 (de) * 2017-03-22 2019-11-21 GM Global Technology Operations LLC Selbstheizende Batterie
CN109193025B (zh) * 2018-10-12 2021-12-10 桑顿新能源科技(长沙)有限公司 一种具有高安全性极片的锂离子电池及其制造方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB285662A (en) * 1927-03-12 1928-02-23 Carl Ferdinand Schantz Process for recovering metal from iron pyrites, similar ores and liquors containing copper and zinc
JPH05234598A (ja) * 1992-02-21 1993-09-10 Matsushita Electric Ind Co Ltd 蓄電池の渦巻状極板群
CN103050647A (zh) * 2011-10-17 2013-04-17 索尼公司 电池、制造电池的方法、电池组、电子装置和电动车辆
CN205992575U (zh) * 2016-07-21 2017-03-01 中航锂电（洛阳）有限公司 正极片和卷绕式锂离子动力电池电芯及锂离子动力电池
WO2018021550A1 (ja) * 2016-07-29 2018-02-01 Ｎｅｃエナジーデバイス株式会社 フィルム外装電池及びその製造方法
KR20180013378A (ko) * 2016-07-29 2018-02-07 주식회사 엘지화학 전극조립체 제조방법 및 그를 포함하는 이차전지 제조방법
CN109494413A (zh) * 2018-11-12 2019-03-19 桑顿新能源科技有限公司 一种软包锂离子电池及其制备方法

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EP3846253A1 (en) 2021-07-07
WO2021003679A1 (zh) 2021-01-14
EP3846253A4 (en) 2021-12-22
US20220037638A1 (en) 2022-02-03

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