CN113826252A - 电极组件、包含该电极组件的电化学装置及电子装置 - Google Patents

电极组件、包含该电极组件的电化学装置及电子装置 Download PDF

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Publication number
CN113826252A
CN113826252A CN202080035663.0A CN202080035663A CN113826252A CN 113826252 A CN113826252 A CN 113826252A CN 202080035663 A CN202080035663 A CN 202080035663A CN 113826252 A CN113826252 A CN 113826252A
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China
Prior art keywords
lithium
thickness
pole piece
electrochemical device
oxide
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Pending
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CN202080035663.0A
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English (en)
Inventor
魏红梅
张益博
胡乔舒
王斌
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Ningde Amperex Technology Ltd
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Ningde Amperex Technology Ltd
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Publication of CN113826252A publication Critical patent/CN113826252A/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
    • H01M10/05—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
    • 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)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)
  • Cell Separators (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

一种电极组件、包含该电极组件的电化学装置及电子装置，其中电极组件包括电极极片(1)以及在所述电极极片(1)的至少一个表面上的纤维隔离层(2)，所述电极极片(1)和所述纤维隔离层(2)卷绕形成电极组件，其中，所述纤维隔离层(2)的厚度随所述电极极片(1)的厚度变化而变化，使得锂离子电池的整体厚度差小于5μm。能够使得锂离子电池在热压化成或者激活过程中压力分布均匀，减少因电极组件局部析锂而导致的锂离子电池内部短路，从而提高锂离子电池及电子装置的安全性。

Description

PCT国内申请，说明书已公开。

Claims (11)

  1. PCT国内申请，权利要求书已公开。
CN202080035663.0A 2020-03-27 2020-03-27 电极组件、包含该电极组件的电化学装置及电子装置 Pending CN113826252A (zh)

Applications Claiming Priority (1)

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PCT/CN2020/081820 WO2021189465A1 (zh) 2020-03-27 2020-03-27 电极组件、包含该电极组件的电化学装置及电子装置

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CN113826252A true CN113826252A (zh) 2021-12-21

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CN202080035663.0A Pending CN113826252A (zh) 2020-03-27 2020-03-27 电极组件、包含该电极组件的电化学装置及电子装置

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CN (1) CN113826252A (zh)
WO (1) WO2021189465A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113972422A (zh) * 2021-10-22 2022-01-25 宁德新能源科技有限公司 电化学装置和电子装置
CN114188591A (zh) * 2021-11-19 2022-03-15 宁德新能源科技有限公司 一种电芯、电池及电子设备
CN114530575B (zh) * 2022-01-29 2024-04-05 宁德新能源科技有限公司 电化学装置和用电装置
CN115911567A (zh) * 2022-10-18 2023-04-04 珠海冠宇动力电池有限公司 一种电池

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104124414A (zh) * 2013-04-28 2014-10-29 华为技术有限公司 一种锂离子电池复合电极片及其制备方法和锂离子电池
CN110165287A (zh) * 2019-06-11 2019-08-23 东莞塔菲尔新能源科技有限公司 一种电芯卷绕装置、电芯生产方法及动力电池

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105449262A (zh) * 2014-06-30 2016-03-30 东莞新能源科技有限公司 柔性锂离子电池及其制备方法
CN207368124U (zh) * 2017-07-28 2018-05-15 东莞市新瑞能源技术有限公司 一种软包装锂离子电池

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104124414A (zh) * 2013-04-28 2014-10-29 华为技术有限公司 一种锂离子电池复合电极片及其制备方法和锂离子电池
CN110165287A (zh) * 2019-06-11 2019-08-23 东莞塔菲尔新能源科技有限公司 一种电芯卷绕装置、电芯生产方法及动力电池

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