CN113302777A - 电极组件及其成型方法和生产系统、二次电池、电池模块以及装置 - Google Patents

电极组件及其成型方法和生产系统、二次电池、电池模块以及装置 Download PDF

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CN113302777A
CN113302777A CN202080005889.6A CN202080005889A CN113302777A CN 113302777 A CN113302777 A CN 113302777A CN 202080005889 A CN202080005889 A CN 202080005889A CN 113302777 A CN113302777 A CN 113302777A
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pole piece
electrode assembly
bending
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laminated
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CN113302777B (zh
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赵丰刚
吴志阳
廖如虎
曾钢
戴亚
虞永生
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Contemporary Amperex Technology Co 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
    • 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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/045—Cells or batteries with folded plate-like electrodes
    • 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
    • H01M10/045—Cells or batteries with folded plate-like electrodes
    • H01M10/0454—Cells or batteries with electrodes of only one polarity folded
    • 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
    • H01M10/0404—Machines for assembling batteries
    • 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
    • H01M10/0583—Construction or manufacture of accumulators with folded construction elements except wound ones, i.e. folded positive or negative electrodes or separators, e.g. with "Z"-shaped electrodes or separators
    • 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
    • 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
    • H01M4/70—Carriers or collectors characterised by shape or form
    • 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
    • H01M4/70—Carriers or collectors characterised by shape or form
    • H01M4/72—Grids
    • H01M4/74—Meshes or woven material; Expanded metal
    • H01M4/742—Meshes or woven material; Expanded metal perforated material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/005—Devices for making primary 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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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Secondary Cells (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

一种电极组件及其成型方法和生产系统、二次电池、电池模块以及装置。电极组件包括：第一极片，包括多个折弯段和多个层叠设置的第一层叠段，每个折弯段用于连接两个相邻的第一层叠段，其中，折弯段具有引导部，用于在生产时引导折弯段折弯；与第一极片极性相反的第二极片，第二极片包括多个第二层叠段，每个第二层叠段设置于相邻两个第一层叠段之间。本申请实施例的电极组件能够保证第一极片和第二极片层叠后处于预定位置，以此保证二次电池具有良好的电化学性能。

Description

PCT国内申请，说明书已公开。

Claims (26)

  1. PCT国内申请，权利要求书已公开。
CN202080005889.6A 2019-12-04 2020-03-25 电极组件及其成型方法和生产系统、二次电池、电池模块以及装置 Active CN113302777B (zh)

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CN2019112249677 2019-12-04
CN201911224967.7A CN112310423B (zh) 2019-12-04 2019-12-04 叠片电芯生产系统以及叠片电芯成型方法
PCT/CN2020/081139 WO2021109363A1 (zh) 2019-12-04 2020-03-25 电极组件及其成型方法和生产系统、二次电池、电池模块以及装置

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CN116914272A (zh) * 2023-09-12 2023-10-20 宁德时代新能源科技股份有限公司 极片折叠控制方法、装置、极片折叠装置及电池生产系统

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CN112820930B (zh) * 2021-02-09 2024-06-04 无锡先导智能装备股份有限公司 叠片机
CN214477590U (zh) * 2021-02-09 2021-10-22 无锡先导智能装备股份有限公司 复合装置及叠片机
CN113078346B (zh) * 2021-03-29 2022-07-19 东莞市佳兴自动化设备科技有限公司 电芯折叠成型生产线及折叠成型方法
CN113611986B (zh) * 2021-07-30 2022-12-27 东莞新能德科技有限公司 电芯、电池及电子设备
CN115732628A (zh) * 2021-08-31 2023-03-03 宁德时代新能源科技股份有限公司 电极组件、电池单体、电池及用电设备
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CN113707843B (zh) * 2021-09-29 2023-05-16 珠海冠宇电池股份有限公司 电芯及电化学装置
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EP3907807A4 (en) 2022-05-04
KR20220093183A (ko) 2022-07-05
CN112310423A (zh) 2021-02-02
CN113302777B (zh) 2024-01-26
JP2023504474A (ja) 2023-02-03
EP3907807B1 (en) 2023-12-13
EP3907807C0 (en) 2023-12-13
EP3907807A1 (en) 2021-11-10
CN112310423B (zh) 2022-03-15
US20220021016A1 (en) 2022-01-20
JP7416942B2 (ja) 2024-01-17
WO2021109363A1 (zh) 2021-06-10
JP2024041838A (ja) 2024-03-27

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