DE69320927T2 - Poröse(r) Film oder Folie, Batterie-Separator und Lithium-Batterie - Google Patents
Poröse(r) Film oder Folie, Batterie-Separator und Lithium-BatterieInfo
- Publication number
- DE69320927T2 DE69320927T2 DE69320927T DE69320927T DE69320927T2 DE 69320927 T2 DE69320927 T2 DE 69320927T2 DE 69320927 T DE69320927 T DE 69320927T DE 69320927 T DE69320927 T DE 69320927T DE 69320927 T2 DE69320927 T2 DE 69320927T2
- Authority
- DE
- Germany
- Prior art keywords
- battery
- foil
- porous film
- lithium battery
- separator
- 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
Links
Classifications
-
- 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
- C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
-
- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
- B29C48/832—Heating
-
- 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
-
- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
-
- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
-
- 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
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- 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
- H01M50/489—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
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
- B29K2023/0658—PE, i.e. polyethylene characterised by its molecular weight
- B29K2023/0683—UHMWPE, i.e. ultra high molecular weight polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
- B29K2105/0038—Plasticisers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
-
- 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
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
- C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
- C08J2201/0542—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition
- C08J2201/0543—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition the non-solvent being organic
-
- 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
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
- C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
- C08J2201/0545—Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition
- C08J2201/0546—Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition the non-solvent being organic
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0025—Organic electrolyte
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP34065992 | 1992-12-21 | ||
JP10961993 | 1993-05-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69320927D1 DE69320927D1 (de) | 1998-10-15 |
DE69320927T2 true DE69320927T2 (de) | 1999-02-18 |
Family
ID=26449353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69320927T Expired - Lifetime DE69320927T2 (de) | 1992-12-21 | 1993-10-27 | Poröse(r) Film oder Folie, Batterie-Separator und Lithium-Batterie |
Country Status (4)
Country | Link |
---|---|
US (1) | US5683634A (de) |
EP (1) | EP0603500B1 (de) |
CA (1) | CA2109360A1 (de) |
DE (1) | DE69320927T2 (de) |
Families Citing this family (64)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19504818B4 (de) * | 1994-02-16 | 2005-12-15 | Hitachi Maxell, Ltd., Ibaraki | Aus Schichten aufgebaute Zelle |
US5759678A (en) * | 1995-10-05 | 1998-06-02 | Mitsubishi Chemical Corporation | High-strength porous film and process for producing the same |
ID18173A (id) | 1996-05-09 | 1998-03-12 | Matsushita Electric Ind Co Ltd | Baterai sekunder elektrolit tidak berair |
US5948557A (en) * | 1996-10-18 | 1999-09-07 | Ppg Industries, Inc. | Very thin microporous material |
KR100530614B1 (ko) * | 1997-10-23 | 2005-11-23 | 토넨카가쿠 가부시키가이샤 | 고투과성 폴리올레핀 미다공막의 제조방법 |
US6096213A (en) * | 1998-08-14 | 2000-08-01 | 3M Innovative Properties Company | Puncture-resistant polyolefin membranes |
US6666969B1 (en) * | 1998-10-01 | 2003-12-23 | Tonen Chemical Corporation | Microporous polyolefin film and process for producing the same |
TW439309B (en) | 1999-01-22 | 2001-06-07 | Toshiba Corp | Nonaquous electrolyte secondary battery |
AU4167600A (en) | 1999-02-19 | 2000-09-04 | Amtek Research International Llc | Electrically conductive, freestanding microporous polymer sheet |
JP4641623B2 (ja) * | 1999-05-07 | 2011-03-02 | 日東電工株式会社 | 多孔質フィルム及びその製造方法 |
US6749961B1 (en) * | 2000-04-10 | 2004-06-15 | Celgard Inc. | Shutdown battery separator made with a blend of polymer and oligomer |
TWI315591B (en) * | 2000-06-14 | 2009-10-01 | Sumitomo Chemical Co | Porous film and separator for battery using the same |
WO2002069873A1 (fr) * | 2001-03-03 | 2002-09-12 | Daio Paper Corporation | Couche en papier |
US7238744B2 (en) * | 2002-04-12 | 2007-07-03 | Daramic, Inc. | Ultrahigh molecular weight polyethylene articles and method of manufacture |
BR0313398A (pt) | 2002-08-12 | 2005-06-28 | Exxonmobil Chem Patents Inc | Composições de poliolefina plasticizada |
US8003725B2 (en) | 2002-08-12 | 2011-08-23 | Exxonmobil Chemical Patents Inc. | Plasticized hetero-phase polyolefin blends |
US7271209B2 (en) | 2002-08-12 | 2007-09-18 | Exxonmobil Chemical Patents Inc. | Fibers and nonwovens from plasticized polyolefin compositions |
US7998579B2 (en) | 2002-08-12 | 2011-08-16 | Exxonmobil Chemical Patents Inc. | Polypropylene based fibers and nonwovens |
US7531594B2 (en) | 2002-08-12 | 2009-05-12 | Exxonmobil Chemical Patents Inc. | Articles from plasticized polyolefin compositions |
US20040166415A1 (en) | 2003-02-21 | 2004-08-26 | Celgard Inc. | Oxidation resistant separator for a battery |
EP1614710B1 (de) * | 2003-03-24 | 2019-04-24 | Asahi Kasei Kabushiki Kaisha | Mikroporöse polyethylenfolie |
DE10336380B4 (de) * | 2003-08-06 | 2005-08-25 | Carl Freudenberg Kg | Ultradünner, poröser und mechanisch stabiler Vliesstoff und dessen Verwendung |
US8192813B2 (en) | 2003-08-12 | 2012-06-05 | Exxonmobil Chemical Patents, Inc. | Crosslinked polyethylene articles and processes to produce same |
KR100780523B1 (ko) | 2003-10-27 | 2007-11-30 | 아사히 가세이 케미칼즈 가부시키가이샤 | 폴리올레핀 미다공막 및 그의 제조 방법 |
US6979508B2 (en) * | 2003-11-12 | 2005-12-27 | Ener 1 Inc. | Fuel cell with integrated feedback control |
JP4614887B2 (ja) * | 2003-12-24 | 2011-01-19 | 旭化成イーマテリアルズ株式会社 | ポリオレフィン製微多孔膜 |
US8104625B2 (en) * | 2004-05-20 | 2012-01-31 | Asahi Kasei Chemicals Corporation | Microporous membrane made of polyolefins |
PL1771499T3 (pl) * | 2004-06-07 | 2010-03-31 | Ticona Llc | Polietylenowy proszek do formowania i wykonane z niego porowate wyroby |
KR100683845B1 (ko) * | 2004-06-11 | 2007-02-15 | 에스케이 주식회사 | 고밀도폴리에틸렌 미세다공막 및 그 제조방법 |
US7332531B2 (en) * | 2004-06-11 | 2008-02-19 | Sk Corporation | Microporous high density polyethylene film |
US7435761B2 (en) * | 2004-07-06 | 2008-10-14 | Sk Energy Co., Ltd. | Microporous polyethylene film and method of producing the same |
US20060008636A1 (en) * | 2004-07-06 | 2006-01-12 | Lee Young K | Microporous polyethylene film and method of producing the same |
US8389615B2 (en) | 2004-12-17 | 2013-03-05 | Exxonmobil Chemical Patents Inc. | Elastomeric compositions comprising vinylaromatic block copolymer, polypropylene, plastomer, and low molecular weight polyolefin |
US8758887B2 (en) | 2004-12-22 | 2014-06-24 | Entegris, Inc. | Multilayer porous membrane and process |
US20080008933A1 (en) * | 2005-12-23 | 2008-01-10 | Boston-Power, Inc. | Lithium-ion secondary battery |
US7811707B2 (en) * | 2004-12-28 | 2010-10-12 | Boston-Power, Inc. | Lithium-ion secondary battery |
KR100943697B1 (ko) * | 2005-04-06 | 2010-02-23 | 에스케이에너지 주식회사 | 물성, 생산성 및 품질 균일도가 우수한 폴리에틸렌 미세다공막 및 그 제조방법 |
KR100943235B1 (ko) * | 2005-05-16 | 2010-02-18 | 에스케이에너지 주식회사 | 압출혼련성과 물성이 우수한 고밀도폴리에틸렌 미세다공막및 그 제조방법 |
KR100943234B1 (ko) * | 2005-05-16 | 2010-02-18 | 에스케이에너지 주식회사 | 액-액 상분리에 의하여 제조된 폴리에틸렌 미세다공막 및그 제조방법 |
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JP5309628B2 (ja) * | 2007-03-23 | 2013-10-09 | 住友化学株式会社 | 多孔質フィルム |
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EP2474058A4 (de) | 2009-09-01 | 2014-11-12 | Boston Power Inc | Grossflächige batteriesysteme und verfahren zu ihrer zusammensetzung |
CN101735474B (zh) * | 2009-12-23 | 2011-09-07 | 中国石油天然气股份有限公司 | 一种亲水性聚乙烯微孔膜及其制备方法 |
KR20150066532A (ko) | 2012-10-08 | 2015-06-16 | 트레오판 저머니 게엠베하 앤 코. 카게 | 균질한 다공성과 천공에 대해 더 큰 저항성을 가지는 미세다공성 분리막 필름 |
MX2015017034A (es) * | 2013-06-12 | 2016-04-25 | Kimberly Clark Co | Pelicula de poliolefina para usar en embalaje. |
US9799867B2 (en) | 2013-06-21 | 2017-10-24 | Sumitomo Chemical Company, Limited | Laminated porous film, separator for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery |
JP5708873B1 (ja) | 2013-10-28 | 2015-04-30 | 住友化学株式会社 | 積層多孔質フィルム、非水電解液二次電池用セパレータおよび非水電解液二次電池 |
JP6025956B1 (ja) | 2015-11-30 | 2016-11-16 | 住友化学株式会社 | 非水電解液二次電池用セパレータ、非水電解液二次電池用積層セパレータ、非水電解液二次電池用部材および非水電解液二次電池 |
CN110247006A (zh) * | 2019-06-11 | 2019-09-17 | 溧阳月泉电能源有限公司 | 锂离子二次电池隔膜的生产方法 |
CN110943194B (zh) * | 2019-12-02 | 2022-02-22 | 江苏厚生新能源科技有限公司 | 一种可控表面结构的锂电池隔膜制备方法及其涂覆应用 |
CN115803291A (zh) * | 2020-05-01 | 2023-03-14 | 国际人造丝公司 | 具有降低的关闭温度的膜和用于制造其的聚合物组合物 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4237083A (en) * | 1979-02-13 | 1980-12-02 | Evans Products Company | Process of manufacturing a microporous sheet material |
US4650730A (en) * | 1985-05-16 | 1987-03-17 | W. R. Grace & Co. | Battery separator |
JPH0790153B2 (ja) * | 1986-04-28 | 1995-10-04 | 三菱化学株式会社 | ポリオレフイン製透過膜及びその製造方法 |
US4833172A (en) * | 1987-04-24 | 1989-05-23 | Ppg Industries, Inc. | Stretched microporous material |
JPS63273651A (ja) * | 1987-04-30 | 1988-11-10 | Toa Nenryo Kogyo Kk | 超高分子量ポリエチレン微多孔膜の製造方法 |
JP2794179B2 (ja) * | 1988-09-30 | 1998-09-03 | 旭化成工業株式会社 | ポリエチレン微多孔膜及びリチウム電池セパレーター |
DE69211510T2 (de) * | 1991-07-05 | 1996-10-10 | Asahi Chemical Ind | Seperator einer Batterie in der ein organischer Elektrolyt benutzt wird und dessen Herstellung |
JPH05117440A (ja) * | 1991-10-31 | 1993-05-14 | Mitsubishi Kasei Corp | 多孔化ポリオレフインフイルムの製造方法 |
US5240655A (en) * | 1991-12-20 | 1993-08-31 | W. R. Grace & Co.-Conn. | Process of making a battery separator |
-
1993
- 1993-10-27 CA CA002109360A patent/CA2109360A1/en not_active Abandoned
- 1993-10-27 DE DE69320927T patent/DE69320927T2/de not_active Expired - Lifetime
- 1993-10-27 EP EP93117406A patent/EP0603500B1/de not_active Expired - Lifetime
-
1995
- 1995-10-06 US US08/540,216 patent/US5683634A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0603500A1 (de) | 1994-06-29 |
DE69320927D1 (de) | 1998-10-15 |
EP0603500B1 (de) | 1998-09-09 |
US5683634A (en) | 1997-11-04 |
CA2109360A1 (en) | 1994-06-22 |
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8363 | Opposition against the patent |