CN114830425A - 电极组件及其制造方法、锂电池 - Google Patents

电极组件及其制造方法、锂电池 Download PDF

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Publication number
CN114830425A
CN114830425A CN202080086449.8A CN202080086449A CN114830425A CN 114830425 A CN114830425 A CN 114830425A CN 202080086449 A CN202080086449 A CN 202080086449A CN 114830425 A CN114830425 A CN 114830425A
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China
Prior art keywords
pole piece
aerogel
layer
area
electrode assembly
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Pending
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CN202080086449.8A
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English (en)
Inventor
刘凯
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Ningde Amperex Technology Ltd
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Ningde Amperex Technology Ltd
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Publication of CN114830425A publication Critical patent/CN114830425A/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
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Cell Electrode Carriers And Collectors (AREA)

Abstract

一种电极组件(100，200)及其制造方法、锂电池。电极组件(100，200)包括第一极片(110，210)和第二极片(120，220)，还包括用于隔离第一极片(110，210)和第二极片(120，220)的气凝胶层(130，230)，气凝胶层(130，230)形成于第一极片(110，210)的表面和/或第二极片(120，220)的表面；气凝胶层(130，230)包括气凝胶，气凝胶的比表面积大于500m2/g,平均孔径为10nm～50nm。通过上述方式，能够提升电极组件(100，200)的抗外力冲击能力，以及减轻电极组件(100，200)的重量，提升储能元件的重量能量密度。

Description

PCT国内申请，说明书已公开。

Claims (15)

  1. PCT国内申请，权利要求书已公开。
CN202080086449.8A 2020-09-29 2020-09-29 电极组件及其制造方法、锂电池 Pending CN114830425A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/118853 WO2022067511A1 (zh) 2020-09-29 2020-09-29 电极组件及其制造方法、锂电池

Publications (1)

Publication Number Publication Date
CN114830425A true CN114830425A (zh) 2022-07-29

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ID=80949262

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CN202080086449.8A Pending CN114830425A (zh) 2020-09-29 2020-09-29 电极组件及其制造方法、锂电池

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CN (1) CN114830425A (zh)
WO (1) WO2022067511A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114976472A (zh) * 2022-05-17 2022-08-30 刘文洁 一种气凝胶电池隔膜及其制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7081142B1 (en) * 1999-11-23 2006-07-25 Sion Power Corporation Methods of preparing electrochemical cells
US7160603B2 (en) * 1999-06-09 2007-01-09 Sion Power Corporation Microporous articles and methods of preparation
US20080254278A1 (en) * 2007-04-10 2008-10-16 Murali Sethumadhavan Microporous layers, an article comprising a microporous layer, and a method of manufacture thereof
CN109560328A (zh) * 2017-12-29 2019-04-02 蜂巢能源科技有限公司 电极层叠组件的制造方法以及电极层叠组件

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103794750A (zh) * 2013-11-22 2014-05-14 宁德新能源科技有限公司 锂离子电池及其正极片

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7160603B2 (en) * 1999-06-09 2007-01-09 Sion Power Corporation Microporous articles and methods of preparation
US7081142B1 (en) * 1999-11-23 2006-07-25 Sion Power Corporation Methods of preparing electrochemical cells
US20080254278A1 (en) * 2007-04-10 2008-10-16 Murali Sethumadhavan Microporous layers, an article comprising a microporous layer, and a method of manufacture thereof
CN109560328A (zh) * 2017-12-29 2019-04-02 蜂巢能源科技有限公司 电极层叠组件的制造方法以及电极层叠组件

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WO2022067511A1 (zh) 2022-04-07

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