KR20240087644A - 폴리올레핀 미다공막, 전지용 세퍼레이터, 및 이차 전지 - Google Patents

폴리올레핀 미다공막, 전지용 세퍼레이터, 및 이차 전지 Download PDF

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Publication number
KR20240087644A
KR20240087644A KR1020247006191A KR20247006191A KR20240087644A KR 20240087644 A KR20240087644 A KR 20240087644A KR 1020247006191 A KR1020247006191 A KR 1020247006191A KR 20247006191 A KR20247006191 A KR 20247006191A KR 20240087644 A KR20240087644 A KR 20240087644A
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KR
South Korea
Prior art keywords
polyolefin microporous
temperature
less
polyolefin
molecular weight
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
KR1020247006191A
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English (en)
Korean (ko)
Inventor
하루카 시모카와토코
나오야 니시무라
타쿠야 쿠마
마사토시 오쿠라
Original Assignee
도레이 카부시키가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 도레이 카부시키가이샤 filed Critical 도레이 카부시키가이샤
Publication of KR20240087644A publication Critical patent/KR20240087644A/ko
Pending legal-status Critical Current

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Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/26—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out
    • 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
    • H01M50/417—Polyolefins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Cell Separators (AREA)
KR1020247006191A 2021-09-29 2022-09-21 폴리올레핀 미다공막, 전지용 세퍼레이터, 및 이차 전지 Pending KR20240087644A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2021-160023 2021-09-29
JP2021160023 2021-09-29
PCT/JP2022/035269 WO2023054139A1 (ja) 2021-09-29 2022-09-21 ポリオレフィン微多孔膜、電池用セパレータ、及び二次電池

Publications (1)

Publication Number Publication Date
KR20240087644A true KR20240087644A (ko) 2024-06-19

Family

ID=85780683

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020247006191A Pending KR20240087644A (ko) 2021-09-29 2022-09-21 폴리올레핀 미다공막, 전지용 세퍼레이터, 및 이차 전지

Country Status (4)

Country Link
JP (1) JPWO2023054139A1 (https=)
KR (1) KR20240087644A (https=)
CN (1) CN118019788A (https=)
WO (1) WO2023054139A1 (https=)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004196871A (ja) 2002-12-16 2004-07-15 Tonen Chem Corp ポリオレフィン微多孔膜及びその製造方法並びに用途
JP2015208894A (ja) 2014-04-24 2015-11-24 東レバッテリーセパレータフィルム株式会社 ポリオレフィン製積層微多孔膜

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3348965B2 (ja) * 1994-03-31 2002-11-20 三井化学株式会社 高分子量ポリエチレンと高分子量ポリプロピレンの組成物よりなる微孔性二軸延伸フィルム、その製法およびその用途
JP2004018838A (ja) * 2002-06-20 2004-01-22 Asahi Kasei Corp ポリオレフィン微多孔膜
EP3263637B1 (en) * 2013-01-30 2020-08-12 W. L. Gore & Associates, Inc. Method for producing porous articles from ultra high molecular weight polyethylene
CN112272891B (zh) * 2018-07-13 2023-02-24 株式会社Lg新能源 用于电化学装置的隔板和包括该隔板的电化学装置
WO2021065283A1 (ja) * 2019-09-30 2021-04-08 東レ株式会社 ポリオレフィン微多孔膜、非水電解液系二次電池用セパレータ、及び非水電解液系二次電池

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004196871A (ja) 2002-12-16 2004-07-15 Tonen Chem Corp ポリオレフィン微多孔膜及びその製造方法並びに用途
JP2015208894A (ja) 2014-04-24 2015-11-24 東レバッテリーセパレータフィルム株式会社 ポリオレフィン製積層微多孔膜

Also Published As

Publication number Publication date
WO2023054139A1 (ja) 2023-04-06
JPWO2023054139A1 (https=) 2023-04-06
CN118019788A (zh) 2024-05-10

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