DE69514711D1 - Poröser mehrschichtiger Film - Google Patents

Poröser mehrschichtiger Film

Info

Publication number
DE69514711D1
DE69514711D1 DE69514711T DE69514711T DE69514711D1 DE 69514711 D1 DE69514711 D1 DE 69514711D1 DE 69514711 T DE69514711 T DE 69514711T DE 69514711 T DE69514711 T DE 69514711T DE 69514711 D1 DE69514711 D1 DE 69514711D1
Authority
DE
Germany
Prior art keywords
multilayer film
porous multilayer
porous
film
multilayer
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 - Lifetime
Application number
DE69514711T
Other languages
English (en)
Other versions
DE69514711T2 (de
Inventor
Hiroshi Kurauchi
Tetuo Akazawa
Akira Kawabata
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.)
Ube Corp
Original Assignee
Ube Industries 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 JP6098394A external-priority patent/JP3003830B2/ja
Priority claimed from JP6098395A external-priority patent/JP3011309B2/ja
Application filed by Ube Industries Ltd filed Critical Ube Industries Ltd
Application granted granted Critical
Publication of DE69514711D1 publication Critical patent/DE69514711D1/de
Publication of DE69514711T2 publication Critical patent/DE69514711T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/32Layered products comprising a layer of synthetic resin comprising polyolefins
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00Producing flat articles, e.g. films or sheets
    • B29D7/01Films or sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
    • B32B38/0012Mechanical treatment, e.g. roughening, deforming, stretching
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered 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
    • B32B5/18Layered 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 features of a layer of foamed material
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • 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
    • H01M50/449Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/457Separators, membranes or diaphragms characterised by the material having a layered structure comprising three or more layers
    • 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
    • B32B38/0012Mechanical treatment, e.g. roughening, deforming, stretching
    • B32B2038/0028Stretching, elongating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00Layers arrangement
    • B32B2250/24All layers being polymeric
    • B32B2250/242All polymers belonging to those covered by group B32B27/32
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00Condition, form or state of the layers or laminate
    • B32B2305/02Cellular or porous
    • B32B2305/026Porous
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/70Other properties
    • B32B2307/724Permeability to gases, adsorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/02Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00Electrical equipment
    • B32B2457/10Batteries
    • 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
    • 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249953Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249978Voids specified as micro
    • Y10T428/249979Specified thickness of void-containing component [absolute or relative] or numerical cell dimension
    • 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249953Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249978Voids specified as micro
    • Y10T428/24998Composite has more than two layers
    • 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249953Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249981Plural void-containing components
    • 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31855Of addition polymer from unsaturated monomers
    • Y10T428/31909Next to second addition polymer from unsaturated monomers
    • Y10T428/31913Monoolefin polymer
    • Y10T428/31917Next to polyene polymer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Laminated Bodies (AREA)
  • Cell Separators (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
DE69514711T 1994-05-12 1995-05-12 Poröser mehrschichtiger Film Expired - Lifetime DE69514711T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6098394A JP3003830B2 (ja) 1994-05-12 1994-05-12 積層多孔質フイルム及びその製法
JP6098395A JP3011309B2 (ja) 1994-05-12 1994-05-12 電池用セパレ−タ及びその製法

Publications (2)

Publication Number Publication Date
DE69514711D1 true DE69514711D1 (de) 2000-03-02
DE69514711T2 DE69514711T2 (de) 2000-05-31

Family

ID=26439575

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69514711T Expired - Lifetime DE69514711T2 (de) 1994-05-12 1995-05-12 Poröser mehrschichtiger Film

Country Status (5)

Country Link
US (1) US5691047A (de)
EP (1) EP0682376B1 (de)
KR (1) KR100242363B1 (de)
CA (1) CA2149284C (de)
DE (1) DE69514711T2 (de)

Families Citing this family (86)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW297171B (de) * 1994-12-20 1997-02-01 Hoechst Celanese Corp
JPH08244152A (ja) * 1995-03-15 1996-09-24 Nitto Denko Corp 多孔質フィルムおよびその製造法
JP3939778B2 (ja) * 1996-02-09 2007-07-04 日東電工株式会社 電池用セパレータ
ID18173A (id) 1996-05-09 1998-03-12 Matsushita Electric Ind Co Ltd Baterai sekunder elektrolit tidak berair
JP3381538B2 (ja) * 1996-08-06 2003-03-04 宇部興産株式会社 積層多孔質ポリオレフィンフイルムの製法
US6444356B1 (en) 1996-11-01 2002-09-03 Jackson C. Ma Lithium battery with secondary battery separator
US5952120A (en) * 1997-04-15 1999-09-14 Celgard Llc Method of making a trilayer battery separator
US5993954A (en) * 1997-04-29 1999-11-30 3M Innovative Properties Company Temperature-sensitive microporous film
JPH11105128A (ja) 1997-09-30 1999-04-20 Asahi Optical Co Ltd 多孔質フィルムの製造方法
GB2374311B (en) * 1997-09-30 2002-12-11 Asahi Optical Co Ltd Method of producing film with through-holes
KR100397043B1 (ko) * 1997-11-19 2003-09-02 미쓰비시덴키 가부시키가이샤 리튬이온 2차전지 및 그의 제조방법
US6180281B1 (en) 1997-12-12 2001-01-30 Johnson Research & Development Company, Inc. Composite separator and electrode
US6042965A (en) * 1997-12-12 2000-03-28 Johnson Research & Development Company, Inc. Unitary separator and electrode structure and method of manufacturing separator
TW420886B (en) * 1997-12-19 2001-02-01 Celgard Inc Penta-layer battery separator
US6387529B1 (en) * 1997-12-24 2002-05-14 Exxon Mobil Oil Corporation Biaxially oriented HDPE multilayer film
DE19809420A1 (de) * 1998-03-05 1999-09-09 Basf Ag Verfahren zur Herstellung von hochreinen Lithiumsalzen
US6180280B1 (en) * 1998-03-12 2001-01-30 Celgard Inc. Trilayer battery separator
KR100296720B1 (ko) * 1998-03-16 2001-10-25 장용균 전지격막용다공성폴리올레핀필름및그의제조방법
US6080507A (en) * 1998-04-13 2000-06-27 Celgard Inc. Trilayer battery separator
US6063899A (en) * 1998-06-15 2000-05-16 Johnson Manufacturing Llc Apparatus and method for extracting plasticizer
JP4075259B2 (ja) * 1999-05-26 2008-04-16 ソニー株式会社 固体電解質二次電池
US6376125B2 (en) 1999-07-19 2002-04-23 Mitsubishi Denki Kabushiki Kaisha Lithium ion secondary battery and process for producing the same
US6627346B1 (en) * 1999-11-10 2003-09-30 Ube Industries, Ltd. Battery separator and lithium secondary battery
US6223449B1 (en) 1999-11-18 2001-05-01 Johnson Research & Development Company, Inc. Apparatus for extracting plasticizer
JP4751502B2 (ja) * 1999-11-19 2011-08-17 第一工業製薬株式会社 ポリマー電池
EP1250718A2 (de) 1999-12-09 2002-10-23 NTK Powerdex, Inc. Batterieseparator für li-ionen und/oder li-ionen-polymer-batterie
KR100309604B1 (ko) 1999-12-20 2001-11-03 홍지준 리튬 2차 전지
US6764756B1 (en) 1999-12-23 2004-07-20 Sealed Air Corporation (Us) Polyolefin foam composite structure and method for making the same
US6773798B2 (en) 1999-12-23 2004-08-10 Sealed Air Corporation (Us) Polyolefin foam composite structure and method for making the same
US20020136945A1 (en) * 2000-01-18 2002-09-26 Call Ronald W. Multilayer battery separators
US6432586B1 (en) 2000-04-10 2002-08-13 Celgard Inc. Separator for a high energy rechargeable lithium battery
KR100336395B1 (ko) 2000-06-12 2002-05-10 홍지준 리튬 이차 전지의 제조방법
USH2104H1 (en) 2000-06-28 2004-05-04 Sealed Air Corporation (Us) Polyolefin foam/film composite and method for making the same
DE60144235D1 (de) * 2000-08-12 2011-04-28 Lg Chemical Ltd Zusammengesetzter film mit mehreren komponenten und verfahren zu seiner herstellung
TW595035B (en) * 2000-08-30 2004-06-21 Sumitomo Chemical Co Separator for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery
WO2002065561A1 (en) * 2001-02-14 2002-08-22 Sony Corporation Non-aqueous electrolytic battery
US7063917B2 (en) 2001-02-21 2006-06-20 Ahlstrom Mount Holly Springs, Llc Laminated battery separator material
US6492013B1 (en) 2001-03-28 2002-12-10 Sealed Air Corporation Foam composite structure comprising a blend of polypropylene and homogeneous ethylene/alpha-olefin copolymer
US6727017B1 (en) 2001-04-06 2004-04-27 Changs Ascending Enterprise Co., Ltd. Methods of fabricating binding layers for a Li-ion polymer battery
EP1251573B1 (de) * 2001-04-20 2017-05-31 Sony Corporation Sekundärzelle mit nichtwässrigem elektrolyten
US6881515B2 (en) * 2001-05-08 2005-04-19 Celgard Inc. Separator for polymer battery
JP3838492B2 (ja) * 2001-12-26 2006-10-25 松下電器産業株式会社 非水電解質二次電池
US20050031943A1 (en) * 2003-08-07 2005-02-10 Call Ronald W. Battery separator and method of making same
KR100560158B1 (ko) 2003-09-29 2006-03-16 주식회사 코캄 고 안전성 리튬 이차 전지 및 그 제조방법
US7914920B2 (en) * 2003-10-09 2011-03-29 The Gillette Company Battery separator
JP5105341B2 (ja) * 2003-11-17 2012-12-26 パナソニック株式会社 非水電解液二次電池
EP1812634B1 (de) * 2004-10-22 2011-07-20 Dow Global Technologies LLC Verbesserte polyolefinische materialien für kunststoffzusammensetzungen
US8945753B2 (en) * 2005-01-26 2015-02-03 Medtronic, Inc. Implantable battery having thermal shutdown separator
US8778525B2 (en) * 2005-08-25 2014-07-15 Toray Battery Separator Film Co., Ltd Multi-layer, microporous polyethylene membrane, battery separator formed thereby and battery
JP4546910B2 (ja) * 2005-09-22 2010-09-22 三菱樹脂株式会社 多孔積層体の製造方法および多孔積層体
EP1946905B1 (de) * 2005-10-19 2016-09-14 Toray Battery Separator Film Co., Ltd. Verfahren zur herstellung von mehrlagiger mikroporöser polyolefinfolie
CN101296795B (zh) * 2005-10-24 2012-07-11 东丽东燃机能膜合同会社 聚烯烃多层微孔膜及其制造方法以及电池用隔离件
US20070238017A1 (en) 2006-04-07 2007-10-11 Celgard Llc Multilayer separator exhibiting improved strength and stability
JP5034414B2 (ja) * 2006-09-26 2012-09-26 住友化学株式会社 積層多孔性フィルムおよび非水電解質二次電池用セパレータ
US10003058B2 (en) 2006-11-17 2018-06-19 Celgard, Llc Method of making a co-extruded, multi-layered battery separator
JP5309628B2 (ja) * 2007-03-23 2013-10-09 住友化学株式会社 多孔質フィルム
JP5286844B2 (ja) * 2007-03-23 2013-09-11 住友化学株式会社 セパレータ
JP2008247944A (ja) * 2007-03-29 2008-10-16 Sumitomo Chemical Co Ltd 超高分子量エチレン−α−オレフィン共重合体パウダー
KR20090111342A (ko) 2007-05-10 2009-10-26 히다치 막셀 가부시키가이샤 전기 화학 소자 및 그 제조방법
JP5109789B2 (ja) * 2007-05-14 2012-12-26 住友化学株式会社 多孔質フィルムの製造方法
JP2008307893A (ja) * 2007-05-14 2008-12-25 Sumitomo Chemical Co Ltd 積層多孔質フィルム
JP2008311221A (ja) * 2007-05-14 2008-12-25 Sumitomo Chemical Co Ltd 積層多孔質フィルム
CN101809801B (zh) * 2007-09-28 2014-03-26 A123系统公司 具有无机/有机多孔膜的电池
CN102388483B (zh) * 2009-01-12 2016-04-06 A123系统有限责任公司 叠层电池及其制备方法
JP2010177162A (ja) * 2009-02-02 2010-08-12 Konica Minolta Holdings Inc 二次電池の製造方法
KR101741854B1 (ko) * 2009-06-20 2017-05-30 트레오판 저머니 게엠베하 앤 코. 카게 셧다운 기능을 갖는 전지용 미세다공성 포일
JP2011194650A (ja) * 2010-03-18 2011-10-06 Mitsubishi Plastics Inc ポリオレフィン樹脂多孔性フィルム、および電池用セパレータ
TWI491096B (zh) 2010-12-06 2015-07-01 Ind Tech Res Inst 多層電池隔離膜及其製造方法
PL3219461T3 (pl) 2010-12-28 2019-06-28 Asahi Kasei Kabushiki Kaisha Porowata powłoka na bazie poliolefiny i sposób jej wytwarzania
WO2013091073A1 (en) * 2011-12-19 2013-06-27 National Research Counsil Of Canada Co-extruded ultra thin films
CN104661734A (zh) * 2012-09-28 2015-05-27 赛尔格有限责任公司 多孔膜、材料、复合物、层压物、纺织物和相关方法
CN104620417A (zh) * 2013-03-06 2015-05-13 帝人株式会社 非水系二次电池用隔膜及非水系二次电池
CN110767864A (zh) 2013-03-15 2020-02-07 赛尔格有限责任公司 用于锂离子二次电池的多层混杂型电池隔板及其制造方法
CN104149438B (zh) * 2013-05-13 2016-04-13 浙江众成包装材料股份有限公司 一种丙烯系聚合物-乙烯系聚合物多层复合膜、其制备方法、用途及其制品
KR101651141B1 (ko) 2013-09-03 2016-08-25 주식회사 엘지화학 이차전지용 파우치 외장재 및 이를 포함하는 파우치형 이차전지
JP6435886B2 (ja) * 2015-01-30 2018-12-12 Jnc株式会社 多層耐熱セパレータ材およびその製造方法
WO2017061489A1 (ja) * 2015-10-09 2017-04-13 東レバッテリーセパレータフィルム株式会社 積層ポリオレフィン微多孔膜、電池用セパレータおよびそれらの製造方法
JP6288216B2 (ja) * 2016-02-09 2018-03-07 宇部興産株式会社 ポリオレフィン微多孔膜、蓄電デバイス用セパレータフィルム、及び蓄電デバイス
TWI730999B (zh) * 2016-11-21 2021-06-21 日商東麗股份有限公司 積層聚烯烴微多孔膜、電池用隔膜及其製造方法以及積層聚烯烴微多孔膜捲繞體之製造方法
CN108807821B (zh) 2018-06-20 2021-03-19 宁德新能源科技有限公司 隔离膜和电化学装置
CN109065817B (zh) * 2018-08-22 2022-04-08 深圳市博盛新材料有限公司 一种多孔多层复合隔膜及其制备方法
KR102201148B1 (ko) * 2018-11-15 2021-01-12 한국생산기술연구원 다공성 박막의 박리방법 및 그로부터 박리된 다공성 박막
JP7298246B2 (ja) * 2019-03-29 2023-06-27 Ube株式会社 ポリオレフィン多孔質フィルム、蓄電デバイス用セパレータ、および蓄電デバイス
CN110429229A (zh) * 2019-07-31 2019-11-08 宁德新能源科技有限公司 多层隔离膜及使用其的装置
CN111899916A (zh) * 2020-08-04 2020-11-06 淮南师范学院 性能可变电极及其制备方法
CN114221089A (zh) * 2021-11-09 2022-03-22 北方华锦化学工业股份有限公司 一种用于干法锂电池隔膜的制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3578544A (en) * 1968-01-18 1971-05-11 Phillips Petroleum Co Reinforced microporous laminates
US4650730A (en) * 1985-05-16 1987-03-17 W. R. Grace & Co. Battery separator
US4863792A (en) * 1988-10-14 1989-09-05 Minnesota Mining And Manufacturing Company Multi-layer laminates of microporous films
FR2667986A1 (fr) * 1990-10-12 1992-04-17 Accumulateurs Fixes Separateur pour accumulateur alcalin.
JP2883726B2 (ja) * 1990-11-14 1999-04-19 日東電工株式会社 電池用セパレータの製造法
AU668704B2 (en) * 1991-12-20 1996-05-16 Celgard Llc Multi-ply battery separator and process of forming
IT1256051B (it) * 1992-10-30 1995-11-21 Soten Film coestruso termoretraibile e procedimento per la sua preparazione.

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EP0682376B1 (de) 2000-01-26
CA2149284C (en) 2002-04-30
EP0682376A1 (de) 1995-11-15
KR100242363B1 (ko) 2000-02-01
US5691047A (en) 1997-11-25
DE69514711T2 (de) 2000-05-31
KR950031502A (ko) 1995-12-18

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