CN113785439A - 隔膜、电极组件、电池及电子装置 - Google Patents

隔膜、电极组件、电池及电子装置 Download PDF

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CN113785439A
CN113785439A CN202080032939.XA CN202080032939A CN113785439A CN 113785439 A CN113785439 A CN 113785439A CN 202080032939 A CN202080032939 A CN 202080032939A CN 113785439 A CN113785439 A CN 113785439A
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coating
core
foaming
separator
battery
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CN113785439B (zh
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樊晓贺
魏增斌
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Ningde Amperex Technology Ltd
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Ningde Amperex Technology 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
    • 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
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/42—Acrylic resins
    • 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
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/431—Inorganic material
    • 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
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • 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
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/451—Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
    • 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
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/457—Separators, membranes or diaphragms characterised by the material having a layered structure comprising three or more layers
    • 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)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Cell Separators (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

一种隔膜(230)，包括隔膜基材(30)以及混合涂层(50)。混合涂层(50)设置于所述隔膜基材(30)的表面，混合涂层(50)包括发泡微球(51)以及粘结剂(52)。发泡微球(51)包括核(512)以及包覆核(512)的包覆层(514)；发泡微球(51)的核(512)为受热分解后产生二氧化碳、氮气以及一氧化碳中的至少一种无机气体的发泡剂。另外提供一种包括隔膜(230)的电极组件(20)、电池(100)以及电子装置(200)。

Description

PCT国内申请，说明书已公开。

Claims (14)

  1. PCT国内申请，权利要求书已公开。
CN202080032939.XA 2020-03-27 2020-03-27 隔膜、电极组件、电池及电子装置 Active CN113785439B (zh)

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PCT/CN2020/081576 WO2021189399A1 (zh) 2020-03-27 2020-03-27 隔膜、电极组件、电池及电子装置

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CN113785439B CN113785439B (zh) 2024-03-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114583385A (zh) * 2022-03-02 2022-06-03 上海兰钧新能源科技有限公司 一种锂电池复合安全隔膜、锂电池电芯及对应的制备方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114142167B (zh) * 2021-11-30 2023-05-02 珠海冠宇电池股份有限公司 一种隔膜和含有该隔膜的锂离子电池
CN114665061B (zh) * 2022-02-24 2023-03-21 江苏中兴派能电池有限公司 热开裂复合微球、含有其复合微球的正极片及锂离子电池
CN114944467B (zh) * 2022-07-01 2024-06-25 珠海冠宇电池股份有限公司 一种极片及包括该极片的电池
CN115295770B (zh) * 2022-09-29 2022-12-27 天津普兰能源科技有限公司 一种自支撑膜的制备方法及其锂电池
WO2024065703A1 (zh) * 2022-09-30 2024-04-04 宁德时代新能源科技股份有限公司 可膨胀微球及其制备以及包含可膨胀微球的极片和二次电池

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070041975A (ko) * 2005-10-17 2007-04-20 주식회사 엘지화학 고온 및 과충전시 열적 안전성이 우수한 전기 화학 소자
CN102020747A (zh) * 2009-09-09 2011-04-20 北京东联化工有限公司 一种丙烯酸系核壳聚合物乳液及其制备方法
CN102437304A (zh) * 2011-12-13 2012-05-02 北京好风光储能技术有限公司 一种隔膜及利用该隔膜制备复合电极对的方法
CN103173161A (zh) * 2013-03-08 2013-06-26 东莞新能源科技有限公司 一种锂离子电池负极片用粘接剂乳液的制备方法
CN108493387A (zh) * 2018-04-23 2018-09-04 东莞市魔方新能源科技有限公司 电池隔膜涂层用粘接剂及其制备方法
CN109148789A (zh) * 2017-06-16 2019-01-04 宁德时代新能源科技股份有限公司 隔膜及其制备方法以及使用隔膜的锂离子电池
CN109148798A (zh) * 2018-08-08 2019-01-04 欣旺达电子股份有限公司 锂离子电池、涂层隔膜及其制备方法
CN110183584A (zh) * 2019-05-05 2019-08-30 欣旺达惠州动力新能源有限公司 一种丙烯腈聚合物乳液粘结剂及其制备方法
CN110233223A (zh) * 2018-03-06 2019-09-13 三星Sdi株式会社 隔板、制备隔板的方法以及包括隔板的锂电池

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101789499B (zh) * 2010-01-19 2012-04-25 中国海诚工程科技股份有限公司 一种锂离子电池隔膜的涂层组合物及泡沫施胶方法
CN106469798A (zh) * 2015-08-19 2017-03-01 中信国安盟固利动力科技有限公司 一种可快速充电且安全性能优异的锂离子电池及其制备方法
KR20170032722A (ko) * 2015-09-15 2017-03-23 주식회사 엘지화학 안전성이 향상된 세퍼레이터 및 이를 포함하는 각형 이차전지
KR102233770B1 (ko) * 2018-02-01 2021-03-30 삼성에스디아이 주식회사 분리막, 이를 채용한 리튬전지 및 분리막의 제조 방법

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070041975A (ko) * 2005-10-17 2007-04-20 주식회사 엘지화학 고온 및 과충전시 열적 안전성이 우수한 전기 화학 소자
CN102020747A (zh) * 2009-09-09 2011-04-20 北京东联化工有限公司 一种丙烯酸系核壳聚合物乳液及其制备方法
CN102437304A (zh) * 2011-12-13 2012-05-02 北京好风光储能技术有限公司 一种隔膜及利用该隔膜制备复合电极对的方法
CN103173161A (zh) * 2013-03-08 2013-06-26 东莞新能源科技有限公司 一种锂离子电池负极片用粘接剂乳液的制备方法
CN109148789A (zh) * 2017-06-16 2019-01-04 宁德时代新能源科技股份有限公司 隔膜及其制备方法以及使用隔膜的锂离子电池
CN110233223A (zh) * 2018-03-06 2019-09-13 三星Sdi株式会社 隔板、制备隔板的方法以及包括隔板的锂电池
CN108493387A (zh) * 2018-04-23 2018-09-04 东莞市魔方新能源科技有限公司 电池隔膜涂层用粘接剂及其制备方法
CN109148798A (zh) * 2018-08-08 2019-01-04 欣旺达电子股份有限公司 锂离子电池、涂层隔膜及其制备方法
CN110183584A (zh) * 2019-05-05 2019-08-30 欣旺达惠州动力新能源有限公司 一种丙烯腈聚合物乳液粘结剂及其制备方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
李建军: "《塑料配方设计》", 中国轻工业出版社, pages: 387 - 390 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114583385A (zh) * 2022-03-02 2022-06-03 上海兰钧新能源科技有限公司 一种锂电池复合安全隔膜、锂电池电芯及对应的制备方法
CN114583385B (zh) * 2022-03-02 2024-03-15 上海兰钧新能源科技有限公司 一种锂电池复合安全隔膜、锂电池电芯及对应的制备方法

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