JP7334719B2 - ポリオレフィン微多孔膜、多層ポリオレフィン微多孔膜、電池 - Google Patents

ポリオレフィン微多孔膜、多層ポリオレフィン微多孔膜、電池 Download PDF

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Publication number
JP7334719B2
JP7334719B2 JP2020500906A JP2020500906A JP7334719B2 JP 7334719 B2 JP7334719 B2 JP 7334719B2 JP 2020500906 A JP2020500906 A JP 2020500906A JP 2020500906 A JP2020500906 A JP 2020500906A JP 7334719 B2 JP7334719 B2 JP 7334719B2
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Japan
Prior art keywords
microporous membrane
crystallinity
polyolefin microporous
temperature
stretching
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JP2020500906A
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English (en)
Japanese (ja)
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JPWO2020075794A5 (https=
JPWO2020075794A1 (ja
Inventor
敏彦 金田
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Toray Industries Inc
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Toray Industries Inc
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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
    • 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
    • H01M50/491—Porosity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/32—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed at least two layers being foamed and next to each other
    • 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
    • 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
    • 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

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)
JP2020500906A 2018-10-10 2019-10-10 ポリオレフィン微多孔膜、多層ポリオレフィン微多孔膜、電池 Active JP7334719B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018191611 2018-10-10
JP2018191611 2018-10-10
PCT/JP2019/039961 WO2020075794A1 (ja) 2018-10-10 2019-10-10 ポリオレフィン微多孔膜、多層ポリオレフィン微多孔膜、電池

Publications (3)

Publication Number Publication Date
JPWO2020075794A1 JPWO2020075794A1 (ja) 2021-09-02
JPWO2020075794A5 JPWO2020075794A5 (https=) 2022-10-06
JP7334719B2 true JP7334719B2 (ja) 2023-08-29

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Family Applications (1)

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JP2020500906A Active JP7334719B2 (ja) 2018-10-10 2019-10-10 ポリオレフィン微多孔膜、多層ポリオレフィン微多孔膜、電池

Country Status (2)

Country Link
JP (1) JP7334719B2 (https=)
WO (1) WO2020075794A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021169583A (ja) * 2020-04-17 2021-10-28 東レ株式会社 ポリオレフィン微多孔膜の製造方法
KR20240026878A (ko) * 2021-06-30 2024-02-29 도레이 카부시키가이샤 폴리올레핀 미다공막 및 전지용 세퍼레이터

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007063547A (ja) 2005-08-04 2007-03-15 Tonen Chem Corp ポリエチレン微多孔膜及びその製造方法並びに電池用セパレータ
WO2011118660A1 (ja) 2010-03-23 2011-09-29 帝人株式会社 ポリオレフィン微多孔膜、非水系二次電池用セパレータ、非水系二次電池及びポリオレフィン微多孔膜の製造方法
JP2012522106A (ja) 2009-03-30 2012-09-20 東レバッテリーセパレータフィルム株式会社 微多孔膜ならびにかかる膜の作製方法および使用方法（関連出願の相互参照）
WO2013014986A1 (ja) 2011-07-22 2013-01-31 東レバッテリーセパレータフィルム株式会社 微多孔性ポリエチレンフィルムの製造方法
JP2013166376A (ja) 2006-08-31 2013-08-29 Toray Battery Separator Film Co Ltd 多層微多孔膜、電池用セパレータ及び電池
WO2018164057A1 (ja) 2017-03-08 2018-09-13 東レ株式会社 ポリオレフィン微多孔膜、多層ポリオレフィン微多孔膜、積層ポリオレフィン微多孔膜、及び、セパレータ

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007063547A (ja) 2005-08-04 2007-03-15 Tonen Chem Corp ポリエチレン微多孔膜及びその製造方法並びに電池用セパレータ
JP2013166376A (ja) 2006-08-31 2013-08-29 Toray Battery Separator Film Co Ltd 多層微多孔膜、電池用セパレータ及び電池
JP2012522106A (ja) 2009-03-30 2012-09-20 東レバッテリーセパレータフィルム株式会社 微多孔膜ならびにかかる膜の作製方法および使用方法（関連出願の相互参照）
WO2011118660A1 (ja) 2010-03-23 2011-09-29 帝人株式会社 ポリオレフィン微多孔膜、非水系二次電池用セパレータ、非水系二次電池及びポリオレフィン微多孔膜の製造方法
WO2013014986A1 (ja) 2011-07-22 2013-01-31 東レバッテリーセパレータフィルム株式会社 微多孔性ポリエチレンフィルムの製造方法
WO2018164057A1 (ja) 2017-03-08 2018-09-13 東レ株式会社 ポリオレフィン微多孔膜、多層ポリオレフィン微多孔膜、積層ポリオレフィン微多孔膜、及び、セパレータ

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WO2020075794A1 (ja) 2020-04-16

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