JP7601289B2 - リチウムイオン二次電池セパレータ用水性樹脂組成物、リチウムイオン二次電池セパレータ機能層用スラリー、及びリチウムイオン二次電池用セパレータ - Google Patents

リチウムイオン二次電池セパレータ用水性樹脂組成物、リチウムイオン二次電池セパレータ機能層用スラリー、及びリチウムイオン二次電池用セパレータ Download PDF

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JP7601289B2
JP7601289B2 JP2024530360A JP2024530360A JP7601289B2 JP 7601289 B2 JP7601289 B2 JP 7601289B2 JP 2024530360 A JP2024530360 A JP 2024530360A JP 2024530360 A JP2024530360 A JP 2024530360A JP 7601289 B2 JP7601289 B2 JP 7601289B2
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Prior art keywords
lithium ion
secondary battery
ion secondary
battery separator
resin composition
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Japanese (ja)
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JPWO2024004420A5 (https=
JPWO2024004420A1 (https=
Inventor
優佑 松村
幸司 植村
正浩 梶川
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DIC Corp
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DIC Corp
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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
    • 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
    • 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
    • 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
    • H01M50/443—Particulate 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
    • H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
    • H01M50/461—Separators, membranes or diaphragms characterised by their combination with electrodes with adhesive layers between electrodes and separators
    • 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
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • 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)
  • Paints Or Removers (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Secondary Cells (AREA)
JP2024530360A 2022-06-30 2023-05-18 リチウムイオン二次電池セパレータ用水性樹脂組成物、リチウムイオン二次電池セパレータ機能層用スラリー、及びリチウムイオン二次電池用セパレータ Active JP7601289B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022105818 2022-06-30
JP2022105818 2022-06-30
PCT/JP2023/018521 WO2024004420A1 (ja) 2022-06-30 2023-05-18 リチウムイオン二次電池セパレータ用水性樹脂組成物、リチウムイオン二次電池セパレータ機能層用スラリー、及びリチウムイオン二次電池用セパレータ

Publications (3)

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JPWO2024004420A1 JPWO2024004420A1 (https=) 2024-01-04
JPWO2024004420A5 JPWO2024004420A5 (https=) 2024-09-05
JP7601289B2 true JP7601289B2 (ja) 2024-12-17

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Country Status (5)

Country Link
JP (1) JP7601289B2 (https=)
KR (1) KR20250028231A (https=)
CN (1) CN119487687A (https=)
TW (1) TW202410538A (https=)
WO (1) WO2024004420A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN121769433A (zh) * 2024-09-30 2026-03-31 宁德时代新能源科技股份有限公司 隔离膜及其制备方法、二次电池单体、电池装置和用电装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000260413A (ja) 1999-03-10 2000-09-22 Nitto Denko Corp 電池用セパレータおよびこのセパレータを用いた電池
JP2004241135A (ja) 2003-02-03 2004-08-26 Matsushita Electric Ind Co Ltd 二次電池およびその製造法
JP2013211160A (ja) 2012-03-30 2013-10-10 Tdk Corp 電池用セパレータ、及びそれを用いた電池
JP2019010883A (ja) 2018-10-10 2019-01-24 住友化学株式会社 積層多孔質フィルム及び非水電解液二次電池
CN111293262A (zh) 2020-03-18 2020-06-16 溧阳天目先导电池材料科技有限公司 降低锂电池热失控风险的复合隔膜、制备方法和锂电池

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4859383B2 (ja) * 2005-03-31 2012-01-25 旭化成イーマテリアルズ株式会社 複合多孔膜
JP5225173B2 (ja) * 2009-03-30 2013-07-03 三菱製紙株式会社 リチウムイオン二次電池用セパレータ
WO2015064411A1 (ja) 2013-10-31 2015-05-07 日本ゼオン株式会社 リチウムイオン二次電池のバインダー用の粒子状重合体、接着層及び多孔膜組成物
JP2016071963A (ja) * 2014-09-26 2016-05-09 旭化成イーマテリアルズ株式会社 蓄電デバイス用セパレータ
JP6718218B2 (ja) * 2014-09-26 2020-07-08 旭化成株式会社 蓄電デバイス用セパレータ
JP6357395B2 (ja) * 2014-09-30 2018-07-11 旭化成株式会社 電池用セパレータ
JP6682964B2 (ja) * 2016-04-01 2020-04-15 三菱ケミカル株式会社 積層多孔性フィルム及びその製造方法
JP7015159B2 (ja) * 2017-12-08 2022-02-02 旭化成株式会社 多層セパレータ、並びにその捲回体及び製造方法
JP7511343B2 (ja) * 2019-12-25 2024-07-05 旭化成株式会社 非水系二次電池用重合体組成物及び非水系二次電池
JP2022042818A (ja) * 2020-09-03 2022-03-15 富士フイルムビジネスイノベーション株式会社 非水系二次電池用セパレータ、二次電池、及び二次電池の製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000260413A (ja) 1999-03-10 2000-09-22 Nitto Denko Corp 電池用セパレータおよびこのセパレータを用いた電池
JP2004241135A (ja) 2003-02-03 2004-08-26 Matsushita Electric Ind Co Ltd 二次電池およびその製造法
JP2013211160A (ja) 2012-03-30 2013-10-10 Tdk Corp 電池用セパレータ、及びそれを用いた電池
JP2019010883A (ja) 2018-10-10 2019-01-24 住友化学株式会社 積層多孔質フィルム及び非水電解液二次電池
CN111293262A (zh) 2020-03-18 2020-06-16 溧阳天目先导电池材料科技有限公司 降低锂电池热失控风险的复合隔膜、制备方法和锂电池

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TW202410538A (zh) 2024-03-01
CN119487687A (zh) 2025-02-18
JPWO2024004420A1 (https=) 2024-01-04
WO2024004420A1 (ja) 2024-01-04
KR20250028231A (ko) 2025-02-28

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