CN115380397A - 电池组件、应用所述电池组件的电池及电子装置 - Google Patents

电池组件、应用所述电池组件的电池及电子装置 Download PDF

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Publication number
CN115380397A
CN115380397A CN202080099221.2A CN202080099221A CN115380397A CN 115380397 A CN115380397 A CN 115380397A CN 202080099221 A CN202080099221 A CN 202080099221A CN 115380397 A CN115380397 A CN 115380397A
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China
Prior art keywords
region
active layer
battery assembly
battery
pole piece
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Pending
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CN202080099221.2A
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English (en)
Inventor
连旭宸
江行国
李�瑞
徐炎
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Ningde Amperex Technology Ltd
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Ningde Amperex Technology Ltd
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Publication of CN115380397A publication Critical patent/CN115380397A/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
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

一种电池组件(10、20、30)，包括：第一极片(11、21)，所述第一极片(11、21)包括第一集流体(111、211)及第一活性层(112、212)，所述第一活性层(112、212)设置于所述第一集流体(111、211)表面；第一区域(17、27)，所述第一区域(17、27)设置于所述电池组件(10、20、30)的一端，位于所述第一区域(17、27)的所述第一活性层(112、212)的厚度为h1；第二区域(18、28)，所述第二区域(18、28)延伸自所述第一区域(17、27)，位于所述第二区域(18、28)的所述第一活性层(112、212)的厚度为h2，h1小于h2；平坦件(15、25)，所述平坦件(15、25)设置于所述第一区域(17、27)，所述平坦件(15、25)设置于所述第一活性层(112、212)远离所述第一集流体(111、211)的表面。还提供了应用所述电池组件(10、20、30)的电池(3)及电子装置(1)。所述电池组件(10、20、30)可以提升平坦度，降低安全风险。

Description

PCT国内申请，说明书已公开。

Claims (12)

  1. PCT国内申请，权利要求书已公开。
CN202080099221.2A 2020-03-30 2020-03-30 电池组件、应用所述电池组件的电池及电子装置 Pending CN115380397A (zh)

Applications Claiming Priority (1)

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PCT/CN2020/082118 WO2021195852A1 (zh) 2020-03-30 2020-03-30 电池组件、应用所述电池组件的电池及电子装置

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CN115380397A true CN115380397A (zh) 2022-11-22

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WO (1) WO2021195852A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4394992A1 (en) * 2021-12-02 2024-07-03 Dongguan Amperex Technology Limited Battery and electronic device
CN118451561A (zh) * 2022-08-05 2024-08-06 宁德时代新能源科技股份有限公司 电池单体、电池及用电设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105706275A (zh) * 2013-10-30 2016-06-22 日产自动车株式会社 电极及具有电极的电池
WO2017113999A1 (zh) * 2015-12-29 2017-07-06 宁德新能源科技有限公司 一种卷绕结构的电池
CN207353382U (zh) * 2017-09-13 2018-05-11 宁德时代新能源科技股份有限公司 电极极片及锂离子电池
CN207947340U (zh) * 2018-01-17 2018-10-09 柔电（武汉）科技有限公司 具有高能量密度的电极片、电芯及软包装锂电池
CN208819984U (zh) * 2018-10-31 2019-05-03 宁德时代新能源科技股份有限公司 电极组件和二次电池

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100601548B1 (ko) * 2004-05-25 2006-07-19 삼성에스디아이 주식회사 이차전지
US9806370B2 (en) * 2011-08-18 2017-10-31 Samsung Sdi Co., Ltd. Secondary battery having a planarizing member
EP3032632B1 (en) * 2013-08-09 2020-04-08 Envision AESC Energy Devices Ltd. Secondary battery and method for manufacturing same
JP6621765B2 (ja) * 2015-01-30 2019-12-18 株式会社エンビジョンＡｅｓｃエナジーデバイス 二次電池
JPWO2018021214A1 (ja) * 2016-07-28 2019-05-09 三洋電機株式会社 二次電池及びその製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105706275A (zh) * 2013-10-30 2016-06-22 日产自动车株式会社 电极及具有电极的电池
WO2017113999A1 (zh) * 2015-12-29 2017-07-06 宁德新能源科技有限公司 一种卷绕结构的电池
CN207353382U (zh) * 2017-09-13 2018-05-11 宁德时代新能源科技股份有限公司 电极极片及锂离子电池
CN207947340U (zh) * 2018-01-17 2018-10-09 柔电（武汉）科技有限公司 具有高能量密度的电极片、电芯及软包装锂电池
CN208819984U (zh) * 2018-10-31 2019-05-03 宁德时代新能源科技股份有限公司 电极组件和二次电池

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