CN101821876B - 微孔膜和此种膜的制造和使用方法 - Google Patents

微孔膜和此种膜的制造和使用方法 Download PDF

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Publication number
CN101821876B
CN101821876B CN2008801112859A CN200880111285A CN101821876B CN 101821876 B CN101821876 B CN 101821876B CN 2008801112859 A CN2008801112859 A CN 2008801112859A CN 200880111285 A CN200880111285 A CN 200880111285A CN 101821876 B CN101821876 B CN 101821876B
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CN
China
Prior art keywords
film
mwd
temperature
heat
microporous barrier
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.)
Expired - Fee Related
Application number
CN2008801112859A
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English (en)
Chinese (zh)
Other versions
CN101821876A (zh
Inventor
菊地慎太郎
滝田耕太郎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toray Industries Inc
Original Assignee
Tonen Chemical Corp
Toray Battery Separator Film Co Ltd
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
Priority claimed from US11/871,584 external-priority patent/US8338017B2/en
Priority claimed from US11/934,491 external-priority patent/US8748028B2/en
Priority claimed from US11/937,956 external-priority patent/US8323821B2/en
Application filed by Tonen Chemical Corp, Toray Battery Separator Film Co Ltd filed Critical Tonen Chemical Corp
Publication of CN101821876A publication Critical patent/CN101821876A/zh
Application granted granted Critical
Publication of CN101821876B publication Critical patent/CN101821876B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01M50/409—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0013—Extrusion moulding in several steps, i.e. components merging outside the die
    • B29C48/0015—Extrusion moulding in several steps, i.e. components merging outside the die producing hollow articles having components brought in contact outside the extrusion die
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/91—Heating, e.g. for cross linking
    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/20—Manufacture of shaped structures of ion-exchange resins
    • C08J5/22—Films, membranes or diaphragms
    • C08J5/2206—Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
    • C08J5/2218—Synthetic macromolecular compounds
    • C08J5/2231—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds
    • 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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
    • 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
    • H01M50/403—Manufacturing processes of separators, membranes or diaphragms
    • H01M50/406—Moulding; Embossing; Cutting
    • 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
    • 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
    • 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
    • H01M50/494—Tensile strength
    • 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)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Cell Separators (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
CN2008801112859A 2007-10-12 2008-10-10 微孔膜和此种膜的制造和使用方法 Expired - Fee Related CN101821876B (zh)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US11/871,584 2007-10-12
US11/871,584 US8338017B2 (en) 2007-10-12 2007-10-12 Microporous membrane and manufacturing method
US11/934,491 2007-11-02
US11/934,491 US8748028B2 (en) 2007-11-02 2007-11-02 Multi-layer microporous membrane, battery separator and battery
US11/937,956 US8323821B2 (en) 2007-11-09 2007-11-09 Multi-layer microporous membrane, battery separator and battery
US11/937,956 2007-11-09
PCT/JP2008/068912 WO2009048173A1 (en) 2007-10-12 2008-10-10 Microporous membranes and methods for making and using such membranes

Publications (2)

Publication Number Publication Date
CN101821876A CN101821876A (zh) 2010-09-01
CN101821876B true CN101821876B (zh) 2013-04-17

Family

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Family Applications (3)

Application Number Title Priority Date Filing Date
CN2008801112859A Expired - Fee Related CN101821876B (zh) 2007-10-12 2008-10-10 微孔膜和此种膜的制造和使用方法
CN2008801155996A Expired - Fee Related CN101855751B (zh) 2007-10-12 2008-10-10 微孔膜和此种膜的制造和使用方法
CN2008801155962A Expired - Fee Related CN101855750B (zh) 2007-10-12 2008-10-10 微孔膜和此种膜的制造和使用方法

Family Applications After (2)

Application Number Title Priority Date Filing Date
CN2008801155996A Expired - Fee Related CN101855751B (zh) 2007-10-12 2008-10-10 微孔膜和此种膜的制造和使用方法
CN2008801155962A Expired - Fee Related CN101855750B (zh) 2007-10-12 2008-10-10 微孔膜和此种膜的制造和使用方法

Country Status (6)

Country Link
EP (3) EP2212945B1 (enExample)
JP (4) JP2011503247A (enExample)
KR (4) KR101143245B1 (enExample)
CN (3) CN101821876B (enExample)
ES (1) ES2435786T3 (enExample)
WO (3) WO2009048173A1 (enExample)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101143245B1 (ko) * 2007-10-12 2012-05-18 토레이 밧데리 세퍼레이터 필름 고도 가이샤 미세다공성 막 및 이의 제조 및 사용 방법
CN102439760A (zh) * 2009-05-04 2012-05-02 东丽东燃机能膜合同会社 微孔膜以及该膜的制造方法和使用方法
JP5726879B2 (ja) * 2010-01-13 2015-06-03 東レバッテリーセパレータフィルム株式会社 微多孔膜、及びその製造方法及び使用方法
CN103097440A (zh) * 2010-03-11 2013-05-08 东丽电池隔膜株式会社 微孔膜、该膜的生产方法、以及该膜作为电池隔膜的应用
WO2012000770A1 (en) * 2010-06-10 2012-01-05 Metanomics Health Gmbh Methods to diagnose liver diseases
JP5532430B2 (ja) * 2010-09-17 2014-06-25 東レバッテリーセパレータフィルム株式会社 複合多孔質膜、複合多孔質膜の製造方法並びにそれを用いた電池用セパレーター
JP6257122B2 (ja) * 2011-10-04 2018-01-10 日産自動車株式会社 耐熱絶縁層付セパレータ
CN102694144A (zh) * 2012-05-28 2012-09-26 东莞新能源科技有限公司 一种锂离子电池极片处理方法
KR101611229B1 (ko) * 2013-01-31 2016-04-11 제일모직 주식회사 분리막의 제조 방법과 그 분리막, 및 이를 이용한 전지
CN103131080B (zh) * 2013-02-20 2015-05-27 深圳中兴创新材料技术有限公司 聚丙烯微孔膜及其制备方法
KR20210029294A (ko) * 2013-03-15 2021-03-15 셀가드 엘엘씨 리튬 이온 이차 전지용 다층 하이브리드 전지 분리기 및 이의 제조방법
JP6295641B2 (ja) * 2013-12-20 2018-03-20 東レ株式会社 微多孔膜およびそれを用いてなるセパレータ
CN103811704B (zh) * 2014-02-28 2016-03-09 苏州捷力新能源材料有限公司 一种耐高温微孔膜的制备方法
CN103840113B (zh) * 2014-02-28 2016-08-24 苏州捷力新能源材料有限公司 一种用于锂电池的聚乙烯隔离膜的制备方法
EP3159163B1 (en) * 2014-06-20 2023-05-10 Toray Industries, Inc. Polyolefin multilayer microporous film, method for producing same, and cell separator
KR20160002447A (ko) * 2014-06-30 2016-01-08 제일모직주식회사 다공성 폴리올레핀계 분리막 및 이의 제조 방법
EP4246702A3 (en) * 2014-11-26 2023-11-22 Celgard, LLC Improved multilayer microporous separators for lithium ion secondary batteries and related methods
WO2016182827A1 (en) * 2015-05-08 2016-11-17 Celgard, Llc Improved, coated or treated microporous battery separators, rechargeable lithium batteries, systems, and related methods of manufacture and/or use
US11329349B2 (en) 2015-06-19 2022-05-10 Ube Industries, Ltd. Polyolefin micro porous film, separator film for power-storage device, and power-storage device
CN109314203B (zh) * 2016-06-08 2021-11-30 远景Aesc 日本有限公司 非水电解质二次电池
JP6346986B1 (ja) * 2016-12-20 2018-06-20 旭化成株式会社 蓄電デバイス用セパレータ並びにこれを用いた積層体、捲回体及び二次電池
CN108341987B (zh) * 2017-01-21 2020-01-14 微宏动力系统（湖州）有限公司 一种芳香族聚酰胺多孔膜、其制备方法及锂离子二次电池
JP6496762B2 (ja) * 2017-03-03 2019-04-03 住友化学株式会社 非水電解液二次電池用セパレータ
US20210126319A1 (en) * 2017-05-26 2021-04-29 Ceigard, LLC New or improved microporous membranes, battery separators, coated separators, batteries, and related methods
CN111212734B (zh) 2017-10-13 2023-04-25 旭化成株式会社 聚烯烃微多孔膜以及使用其的锂离子二次电池
EP3676893A4 (en) * 2017-11-21 2021-08-18 Asahi Kasei Kabushiki Kaisha ELECTRICAL STORAGE DEVICE SEPARATOR
US10957493B2 (en) 2017-12-05 2021-03-23 Avx Corporation Wet electrolytic capacitor for an implantable medical device
KR102295069B1 (ko) * 2018-08-17 2021-08-26 주식회사 엘지화학 전기화학소자용 분리막 및 이의 제조방법
CN113195081A (zh) * 2018-12-20 2021-07-30 索尔维特殊聚合物美国有限责任公司 用于高压过滤的多孔膜
CN110931688B (zh) * 2019-12-13 2021-08-31 华为技术有限公司 高延伸的聚烯烃隔膜和应用
CN113972440A (zh) * 2020-03-04 2022-01-25 华为技术有限公司 电池隔膜及其制备方法、电池和终端
CN112216927B (zh) * 2020-09-28 2023-03-24 常州星源新能源材料有限公司 一种锂离子电池隔膜及其生产工艺
KR102628104B1 (ko) * 2021-03-17 2024-01-25 엘지전자 주식회사 분리막 구조, 그 제조 방법 및 이를 이용한 이차전지
EP4309237A4 (en) 2021-03-17 2025-09-24 Lg Electronics Inc SEPARATOR STRUCTURE, ITS PRODUCTION METHOD AND SECONDARY BATTERY USING SAME
CN114361709B (zh) * 2022-01-06 2023-10-20 广东宝路盛精密机械有限公司 一种电池隔膜单向拉伸线
WO2023145319A1 (ja) 2022-01-28 2023-08-03 東レ株式会社 ポリオレフィン微多孔膜およびその製造方法
KR20230120923A (ko) * 2022-02-10 2023-08-17 주식회사 엘지화학 분리막의 제조 방법, 이로부터 제조된 분리막 및 이를 포함하는 전기화학소자
KR102618427B1 (ko) * 2022-06-14 2023-12-27 주식회사 엘지에너지솔루션 Si계 음극 활물질을 구비하는 리튬 이차전지
EP4738594A2 (en) 2022-06-14 2026-05-06 LG Energy Solution, Ltd. Lithium secondary battery comprising si-based negative electrode active material
CN116215039A (zh) * 2022-12-30 2023-06-06 河南达新源新材料有限公司 一种具有微孔结构的热收缩膜及其制备方法
KR20240165057A (ko) 2023-05-15 2024-11-22 에스케이이노베이션 주식회사 폴리에틸렌 미세다공막, 이의 제조방법 및 상기 미세다공막을 포함하는 분리막
KR102834290B1 (ko) * 2024-07-01 2025-07-18 에스케이이노베이션 주식회사 폴리올레핀계 미세다공막, 이의 제조방법 및 이를 포함하는 이차전지

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57200741A (en) * 1981-06-03 1982-12-09 Nissan Motor Co Ltd Power unit mount body of car
JP2657430B2 (ja) 1991-01-30 1997-09-24 東燃株式会社 ポリオレフィン微多孔膜及びその製造方法
JP3112358B2 (ja) * 1992-10-13 2000-11-27 三菱樹脂株式会社 共押出用フラットダイ
JP3352801B2 (ja) * 1994-01-31 2002-12-03 日東電工株式会社 多孔質フィルム、その製造法およびその用途
JP3939778B2 (ja) * 1996-02-09 2007-07-04 日東電工株式会社 電池用セパレータ
JPH10195215A (ja) 1997-01-10 1998-07-28 Nitto Denko Corp 多孔質フィルム、電池用セパレータ及び電池
JPH10279718A (ja) 1997-04-10 1998-10-20 Nitto Denko Corp 多孔質フィルム、電池用セパレータおよび電池
AU2855599A (en) 1998-03-24 1999-10-18 Asahi Kasei Kogyo Kabushiki Kaisha Microporous polyolefin film
DE69915131T2 (de) 1998-10-01 2004-12-30 Tonen Chemical Corp. Mikroporöse Polyolefinmembran und Verfahren zur Herstellung derselben
JP4012822B2 (ja) 2001-03-09 2007-11-21 旭化成ケミカルズ株式会社 微多孔膜およびその製造方法
JP4121846B2 (ja) 2002-12-16 2008-07-23 東燃化学株式会社 ポリオレフィン微多孔膜及びその製造方法並びに用途
US7618743B2 (en) * 2003-04-04 2009-11-17 Asahi Kasei Chemicals Corporation Microporous polyolefin film
US8104625B2 (en) 2004-05-20 2012-01-31 Asahi Kasei Chemicals Corporation Microporous membrane made of polyolefins
ES2438738T3 (es) * 2005-07-15 2014-01-20 Toray Battery Separator Film Co., Ltd. Membrana microporosa multicapa de poliolefina y separador de batería
HUE041980T2 (hu) * 2005-10-24 2019-06-28 Toray Industries Poliolefin többrétegû mikropórusos film, eljárás az elõállítására és akkumulátor-szeparátor
JP5202816B2 (ja) * 2006-04-07 2013-06-05 東レバッテリーセパレータフィルム株式会社 ポリオレフィン微多孔膜及びその製造方法
US7981536B2 (en) 2006-08-31 2011-07-19 Toray Tonen Specialty Separator Godo Kaisha Microporous membrane, battery separator and battery
KR101143245B1 (ko) * 2007-10-12 2012-05-18 토레이 밧데리 세퍼레이터 필름 고도 가이샤 미세다공성 막 및 이의 제조 및 사용 방법

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WO2009048175A2 (en) 2009-04-16
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EP2212945A2 (en) 2010-08-04
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