CN114631211A - 一种电芯组件及电化学装置 - Google Patents

一种电芯组件及电化学装置 Download PDF

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CN114631211A
CN114631211A CN202080074371.8A CN202080074371A CN114631211A CN 114631211 A CN114631211 A CN 114631211A CN 202080074371 A CN202080074371 A CN 202080074371A CN 114631211 A CN114631211 A CN 114631211A
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pole piece
winding
assembly
winding body
piece assembly
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CN114631211B (zh
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金哲生
郭章飞
安家新
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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
    • 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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • 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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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)

Abstract

本申请涉及电化学装置技术领域，公开了一种电芯组件及电化学装置，所述电芯组件包括第一卷绕体及第二卷绕体，第一卷绕体包括第一极片组件，所述第一卷绕体由所述第一极片组件绕第一卷绕轴线卷绕形成；第二卷绕体包括第二极片组件，所述第二卷绕体由所述第二极片组件绕第二卷绕轴线卷绕形成；其中，所述第一极片组件的最外圈和所述第二极片组件的最外圈相电性连接，所述第一卷绕体和所述第二卷绕体同层布置，所述第一卷绕体的至少一侧超出所述第二卷绕体，从而直接通过卷绕形成异形的电芯结构，有效缓解了工艺复杂，结构受限，转接焊带来的风险。

Description

PCT国内申请，说明书已公开。

Claims (21)

  1. PCT国内申请，权利要求书已公开。
CN202080074371.8A 2020-09-02 一种电芯组件及电化学装置 Active CN114631211B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/113062 WO2022047674A1 (zh) 2020-09-02 2020-09-02 一种电芯组件及电化学装置

Publications (2)

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CN114631211A true CN114631211A (zh) 2022-06-14
CN114631211B CN114631211B (zh) 2024-10-18

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Citations (14)

* Cited by examiner, † Cited by third party
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JP2013161755A (ja) * 2012-02-08 2013-08-19 Toyota Industries Corp 蓄電装置、車両及び蓄電装置の製造方法
CN103579682A (zh) * 2012-08-09 2014-02-12 华硕电脑股份有限公司 电池及其制作方法
KR20150032971A (ko) * 2013-09-23 2015-04-01 주식회사 엘지화학 단차가 형성된 젤리-롤형 전극조립체를 포함하는 전지셀
CN106159332A (zh) * 2015-04-23 2016-11-23 珠海光宇电池有限公司 梯形电池、电芯及其制造方法
CN106463665A (zh) * 2014-04-24 2017-02-22 Sk新技术株式会社 用于二次电池的电池电芯组件及包括该组件的二次电池
WO2017169843A1 (ja) * 2016-03-28 2017-10-05 株式会社村田製作所 蓄電デバイス及びその製造方法
CN107293806A (zh) * 2016-03-31 2017-10-24 宁德新能源科技有限公司 卷绕式电芯
WO2018036489A1 (zh) * 2016-08-23 2018-03-01 宁德新能源科技有限公司 一种卷绕式电芯
WO2018076410A1 (zh) * 2016-10-25 2018-05-03 宁德新能源科技有限公司 极片及绕卷电芯
CN109994679A (zh) * 2017-12-28 2019-07-09 妙盛动力科技有限公司 一种电芯承托部件
CN110061282A (zh) * 2019-05-21 2019-07-26 宁德新能源科技有限公司 电芯组件及电化学装置
US20200168873A1 (en) * 2018-11-22 2020-05-28 Ningde Amperex Technology Limited Wound electrode assembly
CN210744082U (zh) * 2019-10-17 2020-06-12 东莞塔菲尔新能源科技有限公司 一种卷绕电芯及锂离子电池

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007071122A1 (en) * 2005-12-23 2007-06-28 Shenzhen Bak Battery Co., Ltd A wind type lithium ion battery with a soft package case and a method of manufacture the same
JP2013161755A (ja) * 2012-02-08 2013-08-19 Toyota Industries Corp 蓄電装置、車両及び蓄電装置の製造方法
CN103579682A (zh) * 2012-08-09 2014-02-12 华硕电脑股份有限公司 电池及其制作方法
KR20150032971A (ko) * 2013-09-23 2015-04-01 주식회사 엘지화학 단차가 형성된 젤리-롤형 전극조립체를 포함하는 전지셀
CN106463665A (zh) * 2014-04-24 2017-02-22 Sk新技术株式会社 用于二次电池的电池电芯组件及包括该组件的二次电池
CN106159332A (zh) * 2015-04-23 2016-11-23 珠海光宇电池有限公司 梯形电池、电芯及其制造方法
WO2017169843A1 (ja) * 2016-03-28 2017-10-05 株式会社村田製作所 蓄電デバイス及びその製造方法
CN107293806A (zh) * 2016-03-31 2017-10-24 宁德新能源科技有限公司 卷绕式电芯
WO2018036489A1 (zh) * 2016-08-23 2018-03-01 宁德新能源科技有限公司 一种卷绕式电芯
WO2018076410A1 (zh) * 2016-10-25 2018-05-03 宁德新能源科技有限公司 极片及绕卷电芯
CN109994679A (zh) * 2017-12-28 2019-07-09 妙盛动力科技有限公司 一种电芯承托部件
US20200168873A1 (en) * 2018-11-22 2020-05-28 Ningde Amperex Technology Limited Wound electrode assembly
CN110061282A (zh) * 2019-05-21 2019-07-26 宁德新能源科技有限公司 电芯组件及电化学装置
CN210744082U (zh) * 2019-10-17 2020-06-12 东莞塔菲尔新能源科技有限公司 一种卷绕电芯及锂离子电池

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