KR20240131361A - 이차 전지 세퍼레이터용 코팅재 및 그 제조 방법, 이차 전지 세퍼레이터, 그리고 이차 전지 - Google Patents

이차 전지 세퍼레이터용 코팅재 및 그 제조 방법, 이차 전지 세퍼레이터, 그리고 이차 전지 Download PDF

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Publication number
KR20240131361A
KR20240131361A KR1020247023025A KR20247023025A KR20240131361A KR 20240131361 A KR20240131361 A KR 20240131361A KR 1020247023025 A KR1020247023025 A KR 1020247023025A KR 20247023025 A KR20247023025 A KR 20247023025A KR 20240131361 A KR20240131361 A KR 20240131361A
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South Korea
Prior art keywords
silica particles
secondary battery
spherical silica
battery separator
treated
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Pending
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KR1020247023025A
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English (en)
Korean (ko)
Inventor
히로토 오와다
가즈유키 마츠무라
아츠시 야기누마
요시테루 사카츠메
유키오 모리모토
Original Assignee
신에쓰 가가꾸 고교 가부시끼가이샤
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Publication of KR20240131361A publication Critical patent/KR20240131361A/ko
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/403Manufacturing processes of separators, membranes or diaphragms
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/431Inorganic material
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/113Silicon oxides; Hydrates thereof
    • C01B33/12Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/157After-treatment of gels
    • C01B33/159Coating or hydrophobisation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/411Organic material
    • H01M50/414Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/417Polyolefins
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/431Inorganic material
    • H01M50/434Ceramics
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/44Fibrous material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/443Particulate material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/449Separators, membranes or diaphragms characterised by the material having a layered structure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/449Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/451Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/449Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/454Separators, membranes or diaphragms characterised by the material having a layered structure comprising a non-fibrous layer and a fibrous layer superimposed on one another
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H01M50/491Porosity
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Cell Separators (AREA)
  • Silicon Compounds (AREA)
KR1020247023025A 2021-12-27 2022-11-29 이차 전지 세퍼레이터용 코팅재 및 그 제조 방법, 이차 전지 세퍼레이터, 그리고 이차 전지 Pending KR20240131361A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021212291 2021-12-27
JPJP-P-2021-212291 2021-12-27
PCT/JP2022/043931 WO2023127375A1 (ja) 2021-12-27 2022-11-29 二次電池セパレータ用コート材およびその製造方法、二次電池セパレータ、ならびに二次電池

Publications (1)

Publication Number Publication Date
KR20240131361A true KR20240131361A (ko) 2024-08-30

Family

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Family Applications (1)

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KR1020247023025A Pending KR20240131361A (ko) 2021-12-27 2022-11-29 이차 전지 세퍼레이터용 코팅재 및 그 제조 방법, 이차 전지 세퍼레이터, 그리고 이차 전지

Country Status (7)

Country Link
US (1) US20250070384A1 (https=)
EP (1) EP4459773A4 (https=)
JP (1) JP7754205B2 (https=)
KR (1) KR20240131361A (https=)
CN (1) CN118451595A (https=)
TW (1) TW202335354A (https=)
WO (1) WO2023127375A1 (https=)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013173283A (ja) 2012-02-27 2013-09-05 Mitsubishi Plastics Inc 積層多孔フィルム、非水電解液二次電池用セパレータ、及び非水電解液二次電池
JP2018538164A (ja) 2015-10-20 2018-12-27 トレオファン・ジャーマニー・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング・ウント・コンパニー・コマンデイトゲゼルシャフト 粒子含有多孔質層および無機コーティングを有する二軸延伸多孔性フィルム

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8741489B2 (en) * 2008-09-12 2014-06-03 Japan Vilene Company, Ltd. Separator for lithium ion secondary battery, method for manufacture thereof, and lithium ion secondary battery
JP5359440B2 (ja) * 2009-03-25 2013-12-04 コニカミノルタ株式会社 電解質及び二次電池
CN102104129A (zh) 2009-12-22 2011-06-22 华南师范大学 一种胶体蓄电池专用微孔隔板
EP2469623A1 (en) * 2010-12-24 2012-06-27 Takemoto Yushi Kabushiki Kaisha Polyolefin microporous membrane and separator for lithium ion battery
JP2013089308A (ja) * 2011-10-13 2013-05-13 Kawaken Fine Chem Co Ltd 非水電解液電池用セパレータおよびリチウムイオン二次電池
TWI455756B (zh) * 2011-12-02 2014-10-11 Ind Tech Res Inst 複合式多孔性材料、製備方法以及於能量儲存設備之應用
US20130244080A1 (en) * 2012-03-16 2013-09-19 Samsung Sdi Co., Ltd. Separator for lithium secondary battery
JP5967024B2 (ja) * 2013-06-20 2016-08-10 信越化学工業株式会社 非水電解質二次電池用活物質、負極成型体及び非水電解質二次電池
JP5904166B2 (ja) * 2013-07-05 2016-04-13 信越化学工業株式会社 非水電解質二次電池及び製造方法
JP5949698B2 (ja) * 2013-08-07 2016-07-13 信越化学工業株式会社 有機樹脂粒子の製造方法
CN105355824B (zh) 2015-12-11 2018-07-06 北京新能源汽车股份有限公司 动力电池隔膜、其制备方法及包括其的动力电池
CN106935769B (zh) * 2017-03-22 2019-11-12 石连娥 一种基于静电自组装的覆无机粒子的锂离子电池隔膜的制备方法
WO2019200073A1 (en) * 2018-04-11 2019-10-17 Axium Ip, Llc Polymer-ceramic hybrid separator membranes, precursors, and manufacturing processes
CN109686901A (zh) 2018-11-15 2019-04-26 安徽兆拓新能源科技有限公司 一种锂离子电池隔膜的制备方法
CN113795974A (zh) 2019-05-07 2021-12-14 赢创运营有限公司 涂有经表面处理的氧化铝的锂离子电池隔膜

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013173283A (ja) 2012-02-27 2013-09-05 Mitsubishi Plastics Inc 積層多孔フィルム、非水電解液二次電池用セパレータ、及び非水電解液二次電池
JP2018538164A (ja) 2015-10-20 2018-12-27 トレオファン・ジャーマニー・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング・ウント・コンパニー・コマンデイトゲゼルシャフト 粒子含有多孔質層および無機コーティングを有する二軸延伸多孔性フィルム

Also Published As

Publication number Publication date
US20250070384A1 (en) 2025-02-27
CN118451595A (zh) 2024-08-06
JPWO2023127375A1 (https=) 2023-07-06
EP4459773A1 (en) 2024-11-06
JP7754205B2 (ja) 2025-10-15
EP4459773A4 (en) 2026-01-21
WO2023127375A1 (ja) 2023-07-06
TW202335354A (zh) 2023-09-01

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Patent event date: 20240710

Patent event code: PA01051R01D

Comment text: International Patent Application

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