DE69500288D1 - Poröser Film, Verfahren zu seiner Herstellung und seine Verwendung - Google Patents

Poröser Film, Verfahren zu seiner Herstellung und seine Verwendung

Info

Publication number
DE69500288D1
DE69500288D1 DE69500288T DE69500288T DE69500288D1 DE 69500288 D1 DE69500288 D1 DE 69500288D1 DE 69500288 T DE69500288 T DE 69500288T DE 69500288 T DE69500288 T DE 69500288T DE 69500288 D1 DE69500288 D1 DE 69500288D1
Authority
DE
Germany
Prior art keywords
production
porous film
porous
film
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
DE69500288T
Other languages
English (en)
Other versions
DE69500288T2 (de
Inventor
Soji Nishiyama
Hiroyuki Higuchi
Kiichiro Matsushita
Ryoichi Matsushima
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.)
Nitto Denko Corp
Original Assignee
Nitto Denko Corp
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 Nitto Denko Corp filed Critical Nitto Denko Corp
Application granted granted Critical
Publication of DE69500288D1 publication Critical patent/DE69500288D1/de
Publication of DE69500288T2 publication Critical patent/DE69500288T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered 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
    • B32B27/08—Layered 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
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
    • 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
    • B32B5/14—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 a layer differing constitutionally or physically in different parts, e.g. denser near its faces
    • B32B5/145—Variation across the thickness of the layer
    • 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
    • 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
    • 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
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
    • B32B2038/0028—Stretching, elongating
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/514—Oriented
    • B32B2307/518—Oriented bi-axially
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/718—Weight, e.g. weight per square meter
    • 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
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/02—Temperature
    • 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
    • B32B2457/00—Electrical equipment
    • B32B2457/10—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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Cell Separators (AREA)
  • Secondary Cells (AREA)
  • Laminated Bodies (AREA)
DE69500288T 1994-01-31 1995-01-26 Poröser Film, Verfahren zu seiner Herstellung und seine Verwendung Expired - Fee Related DE69500288T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP00931894A JP3352801B2 (ja) 1994-01-31 1994-01-31 多孔質フィルム、その製造法およびその用途

Publications (2)

Publication Number Publication Date
DE69500288D1 true DE69500288D1 (de) 1997-06-19
DE69500288T2 DE69500288T2 (de) 1997-08-28

Family

ID=11717124

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69500288T Expired - Fee Related DE69500288T2 (de) 1994-01-31 1995-01-26 Poröser Film, Verfahren zu seiner Herstellung und seine Verwendung

Country Status (4)

Country Link
US (1) US5480745A (de)
EP (1) EP0668156B1 (de)
JP (1) JP3352801B2 (de)
DE (1) DE69500288T2 (de)

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* Cited by examiner, † Cited by third party
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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
US5993954A (en) * 1997-04-29 1999-11-30 3M Innovative Properties Company Temperature-sensitive microporous film
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US6346350B1 (en) 1999-04-20 2002-02-12 Celgard Inc. Structurally stable fusible battery separators and method of making same
KR100417254B1 (ko) * 2000-01-10 2004-02-05 주식회사 엘지화학 고결정성 폴리프로필렌의 미세 기공막 및 이의 제조방법
CN1239226C (zh) 2000-01-10 2006-02-01 Lg化学株式会社 高结晶聚丙烯微孔薄膜,多组分微孔薄膜及其制备方法
KR100402761B1 (ko) * 2000-04-17 2003-10-22 주식회사 엘지화학 다성분계 미세 기공막 및 그의 제조방법
KR100404875B1 (ko) * 2000-01-13 2003-11-07 주식회사 엘지화학 미세 기공막의 제조방법
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US20070238017A1 (en) 2006-04-07 2007-10-11 Celgard Llc Multilayer separator exhibiting improved strength and stability
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JP4902455B2 (ja) 2006-08-01 2012-03-21 東レ東燃機能膜合同会社 ポリオレフィン多層微多孔膜、その製造方法、電池用セパレータ及び電池
JP5408899B2 (ja) * 2007-05-11 2014-02-05 三菱樹脂株式会社 積層多孔性フィルム、それを利用した電池用セパレータおよび電池
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US8748028B2 (en) 2007-11-02 2014-06-10 Toray Battery Separator Film Co. Ltd. Multi-layer microporous membrane, battery separator and battery
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US8507124B2 (en) 2007-11-14 2013-08-13 Toray Battery Separator Film Co., Ltd. Multi-layer, microporous membrane, battery separator and battery
US8012622B2 (en) 2007-11-14 2011-09-06 Toray Tonen Specialty Separator Godo Kaisha Multi-layer, microporous membrane, battery separator and battery
US8003204B2 (en) 2007-12-26 2011-08-23 Sk Energy Co., Ltd. Microporous polyolefin multi layer film and preparing method thereof
KR101437852B1 (ko) 2007-12-26 2014-09-04 에스케이이노베이션 주식회사 다층 폴리올레핀계 미세다공막 및 그 제조방법
JP4985454B2 (ja) * 2008-02-15 2012-07-25 ソニー株式会社 セパレータ、セパレータの製造方法および非水電解質電池
EP2113366A1 (de) 2008-04-24 2009-11-04 Tonen Chemical Corporation Extrusionsdüse und Verteilersystem dafür
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EP2113362A1 (de) 2008-04-24 2009-11-04 Tonen Chemical Corporation Koextrusionsdüse und Verteilersystem dafür
EP2111911A1 (de) 2008-04-24 2009-10-28 Tonen Chemical Corporation Mehrschichtige mikroporöse Membran, Batterieseparator und Batterie
EP2111914A1 (de) 2008-04-24 2009-10-28 Tonen Chemical Corporation Mehrschichtige mikroporöse Membran, Batterieseparator und Batterie
EP2111915A1 (de) 2008-04-24 2009-10-28 Tonen Chemical Corporation Mikroporöse Polymermembran, Batterieseparator und Batterie
EP2113365A1 (de) 2008-04-24 2009-11-04 Tonen Chemical Corporation Extrusionsdüse mit verbessertem Querstromverteiler
KR101631674B1 (ko) 2008-05-02 2016-06-17 트레오판 저머니 게엠베하 앤 코. 카게 셧오프 기능을 갖는 배터리를 위한 단일-층 폴리프로필렌 막 필름
DK2274168T3 (da) * 2008-05-02 2013-08-26 Treofan Germany Gmbh & Co Kg Mikroporøs flerlags-membranfolie af polypropylenbasis til batterier med afkoblingsfunktion
KR101720183B1 (ko) 2008-05-02 2017-03-27 트레오판 저머니 게엠베하 앤 코. 카게 셧오프 기능을 갖는 배터리를 위한 막 필름
CN102171855A (zh) * 2008-09-03 2011-08-31 三菱树脂株式会社 隔板用叠层多孔膜
JP5460024B2 (ja) * 2008-11-10 2014-04-02 三菱樹脂株式会社 多孔性フィルム、それを利用したリチウム電池用セパレータ、および電池
DE102008061748A1 (de) 2008-12-12 2010-06-24 Treofan Germany Gmbh & Co. Kg Mehrschichtige mikroporöse Folie für Batterien mit Abschaltfunktion
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Also Published As

Publication number Publication date
JPH07216118A (ja) 1995-08-15
DE69500288T2 (de) 1997-08-28
EP0668156A1 (de) 1995-08-23
EP0668156B1 (de) 1997-05-14
JP3352801B2 (ja) 2002-12-03
US5480745A (en) 1996-01-02

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8339 Ceased/non-payment of the annual fee