CN114467205A - 电极组件及其相关电池、装置、制造方法和制造装置 - Google Patents

电极组件及其相关电池、装置、制造方法和制造装置 Download PDF

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Publication number
CN114467205A
CN114467205A CN202080069492.3A CN202080069492A CN114467205A CN 114467205 A CN114467205 A CN 114467205A CN 202080069492 A CN202080069492 A CN 202080069492A CN 114467205 A CN114467205 A CN 114467205A
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CN
China
Prior art keywords
pole piece
winding
electrode sheet
negative electrode
positive electrode
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.)
Pending
Application number
CN202080069492.3A
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English (en)
Chinese (zh)
Inventor
梁成都
许虎
金海族
曾毓群
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Contemporary Amperex Technology Co Ltd
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Contemporary Amperex Technology Co Ltd
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Publication date
Application filed by Contemporary Amperex Technology Co Ltd filed Critical Contemporary Amperex Technology Co Ltd
Publication of CN114467205A publication Critical patent/CN114467205A/zh
Pending legal-status Critical Current

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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
    • H01M10/05—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
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/665—Composites
    • H01M4/667—Composites in the form of layers, e.g. coatings
    • 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
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/621—Binders
    • H01M4/622—Binders being polymers
    • H01M4/623—Binders being polymers fluorinated polymers
    • 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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624—Electric conductive fillers
    • H01M4/626—Metals
    • 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
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/661—Metal or alloys, e.g. alloy coatings
    • 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
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/668—Composites of electroconductive material and synthetic 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • 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
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)
  • Cell Electrode Carriers And Collectors (AREA)
CN202080069492.3A 2020-06-02 2020-06-02 电极组件及其相关电池、装置、制造方法和制造装置 Pending CN114467205A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/094041 WO2021243584A1 (zh) 2020-06-02 2020-06-02 电极组件及其相关电池、装置、制造方法和制造装置

Publications (1)

Publication Number Publication Date
CN114467205A true CN114467205A (zh) 2022-05-10

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CN202080069492.3A Pending CN114467205A (zh) 2020-06-02 2020-06-02 电极组件及其相关电池、装置、制造方法和制造装置

Country Status (6)

Country Link
US (1) US12119455B2 (https=)
EP (1) EP3951957B1 (https=)
JP (1) JP7520042B2 (https=)
KR (1) KR102837665B1 (https=)
CN (1) CN114467205A (https=)
WO (1) WO2021243584A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102144571B1 (ko) * 2018-10-24 2020-08-14 울산과학기술원 전극 구조체, 이의 제조 방법 및 이를 포함하는 이차 전지
CN114467205A (zh) 2020-06-02 2022-05-10 宁德时代新能源科技股份有限公司 电极组件及其相关电池、装置、制造方法和制造装置
WO2023212867A1 (zh) * 2022-05-05 2023-11-09 宁德时代新能源科技股份有限公司 正极极片、电极组件、电池单体、电池及用电装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1732587A (zh) * 2002-12-27 2006-02-08 松下电器产业株式会社 电化学元件及其制造方法
CN105449222A (zh) * 2014-09-01 2016-03-30 联想(北京)有限公司 一种基础单元和电池
CN108511761A (zh) * 2017-04-13 2018-09-07 万向二三股份公司 一种含ptc涂层的集流体及含该集流体的锂离子电池
CN109755468A (zh) * 2017-11-08 2019-05-14 宁德时代新能源科技股份有限公司 一种电极极片、电化学装置及安全涂层
CN109755466A (zh) * 2017-11-08 2019-05-14 宁德时代新能源科技股份有限公司 一种正极极片、电化学装置及安全涂层
CN110931800A (zh) * 2019-04-26 2020-03-27 宁德时代新能源科技股份有限公司 一种电池

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CN201207413Y (zh) 2008-02-15 2009-03-11 宁波维科电池有限公司 一种叠片卷绕式锂离子电池电芯
JP5640587B2 (ja) 2010-09-08 2014-12-17 ソニー株式会社 固体電解質電池
CN202308207U (zh) 2011-10-27 2012-07-04 深圳市比克电池有限公司 多极片卷绕型电芯及方形、软包装锂电池
JP6031774B2 (ja) * 2012-02-10 2016-11-24 ソニー株式会社 二次電池、負極集電体、電子機器および電動車両
CN104810561B (zh) 2014-03-20 2018-06-19 万向一二三股份公司 一种锂离子动力电池电芯的制备方法
CN108281662B (zh) 2017-01-12 2020-05-05 宁德时代新能源科技股份有限公司 一种集流体，其极片和电池及应用
JP6729410B2 (ja) * 2017-01-17 2020-07-22 トヨタ自動車株式会社 全固体電池
CN107039640B (zh) 2017-03-02 2019-09-13 清华大学 复合电极材料及其应用
JP6729479B2 (ja) 2017-04-28 2020-07-22 トヨタ自動車株式会社 積層電池
CN109755462B (zh) 2017-11-08 2021-01-12 宁德时代新能源科技股份有限公司 一种正极极片、电化学装置及安全涂层
CN108428849B (zh) 2017-11-22 2024-01-16 宁德时代新能源科技股份有限公司 电极构件、电极组件和充电电池
CN110660998B (zh) 2018-09-17 2020-12-04 宁德时代新能源科技股份有限公司 集流体、电极极片及电化学装置
CN111200110A (zh) 2018-11-16 2020-05-26 宁德时代新能源科技股份有限公司 一种正极极片及电化学装置
CN209401755U (zh) 2018-12-29 2019-09-17 宁德时代新能源科技股份有限公司 电极组件、二次电池及电池模组
CN111326699B (zh) 2019-08-14 2021-11-09 宁德时代新能源科技股份有限公司 二次电池
CN114467205A (zh) 2020-06-02 2022-05-10 宁德时代新能源科技股份有限公司 电极组件及其相关电池、装置、制造方法和制造装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1732587A (zh) * 2002-12-27 2006-02-08 松下电器产业株式会社 电化学元件及其制造方法
CN105449222A (zh) * 2014-09-01 2016-03-30 联想(北京)有限公司 一种基础单元和电池
CN108511761A (zh) * 2017-04-13 2018-09-07 万向二三股份公司 一种含ptc涂层的集流体及含该集流体的锂离子电池
CN109755468A (zh) * 2017-11-08 2019-05-14 宁德时代新能源科技股份有限公司 一种电极极片、电化学装置及安全涂层
CN109755466A (zh) * 2017-11-08 2019-05-14 宁德时代新能源科技股份有限公司 一种正极极片、电化学装置及安全涂层
CN110931800A (zh) * 2019-04-26 2020-03-27 宁德时代新能源科技股份有限公司 一种电池

Also Published As

Publication number Publication date
US12119455B2 (en) 2024-10-15
JP7520042B2 (ja) 2024-07-22
EP3951957A4 (en) 2022-02-09
EP3951957A1 (en) 2022-02-09
US20210376387A1 (en) 2021-12-02
WO2021243584A1 (zh) 2021-12-09
KR102837665B1 (ko) 2025-07-22
EP3951957B1 (en) 2023-06-14
JP2023503746A (ja) 2023-02-01
KR20220100519A (ko) 2022-07-15

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