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 PDFInfo
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- 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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- lithium
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- pole piece
- electrochemical device
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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
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- 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)
- PCT国内申请,权利要求书已公开。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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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)
Publication number | Priority date | Publication date | Assignee | Title |
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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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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2020
- 2020-03-27 WO PCT/CN2020/081820 patent/WO2021189465A1/zh active Application Filing
- 2020-03-27 CN CN202080035663.0A patent/CN113826252A/zh active Pending
Patent Citations (2)
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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WO2021189465A1 (zh) | 2021-09-30 |
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