DE69231694T2 - Separator für mehrschichtbatterie und herstellungsverfahren - Google Patents

Separator für mehrschichtbatterie und herstellungsverfahren

Info

Publication number
DE69231694T2
DE69231694T2 DE69231694T DE69231694T DE69231694T2 DE 69231694 T2 DE69231694 T2 DE 69231694T2 DE 69231694 T DE69231694 T DE 69231694T DE 69231694 T DE69231694 T DE 69231694T DE 69231694 T2 DE69231694 T2 DE 69231694T2
Authority
DE
Germany
Prior art keywords
disc
polymer
layer
shaped
product
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
DE69231694T
Other languages
German (de)
English (en)
Other versions
DE69231694D1 (de
Inventor
Thomas Giovannoni
Yihong Guo
Maxwell Rein
Mark Spotnitz
Julian Troffkin
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.)
Celgard LLC
Original Assignee
Celgard LLC
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 US07/808,591 external-priority patent/US5281491A/en
Priority claimed from US07/808,592 external-priority patent/US5240655A/en
Application filed by Celgard LLC filed Critical Celgard LLC
Publication of DE69231694D1 publication Critical patent/DE69231694D1/de
Application granted granted Critical
Publication of DE69231694T2 publication Critical patent/DE69231694T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C08J9/26Working-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
    • 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
    • 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
    • C08J9/28Working-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
    • 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
    • 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
    • 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
    • H01M50/494Tensile strength
    • 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
    • C08J2201/00Foams characterised by the foaming process
    • C08J2201/04Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/054Precipitating the polymer by adding a non-solvent or a different solvent
    • C08J2201/0542Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition
    • C08J2201/0543Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition the non-solvent being organic
    • 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
    • C08J2201/00Foams characterised by the foaming process
    • C08J2201/04Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/054Precipitating the polymer by adding a non-solvent or a different solvent
    • C08J2201/0545Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition
    • C08J2201/0546Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition the non-solvent being organic
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00Electrolytes
    • H01M2300/0017Non-aqueous electrolytes
    • H01M2300/0025Organic electrolyte
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Cell Separators (AREA)
  • Secondary Cells (AREA)
  • Primary Cells (AREA)
  • Laminated Bodies (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Electrophonic Musical Instruments (AREA)
DE69231694T 1991-12-20 1992-12-18 Separator für mehrschichtbatterie und herstellungsverfahren Expired - Fee Related DE69231694T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/808,591 US5281491A (en) 1991-12-20 1991-12-20 Battery separator
US07/808,592 US5240655A (en) 1991-12-20 1991-12-20 Process of making a battery separator
PCT/US1992/010973 WO1993013565A1 (en) 1991-12-20 1992-12-18 Multi-ply battery separator and process of forming

Publications (2)

Publication Number Publication Date
DE69231694D1 DE69231694D1 (de) 2001-03-22
DE69231694T2 true DE69231694T2 (de) 2001-08-02

Family

ID=27123149

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69231694T Expired - Fee Related DE69231694T2 (de) 1991-12-20 1992-12-18 Separator für mehrschichtbatterie und herstellungsverfahren

Country Status (8)

Country Link
EP (1) EP0662250B1 (enExample)
KR (1) KR100295347B1 (enExample)
AT (1) ATE199194T1 (enExample)
AU (1) AU668704B2 (enExample)
BR (1) BR9206964A (enExample)
DE (1) DE69231694T2 (enExample)
TW (1) TW223187B (enExample)
WO (1) WO1993013565A1 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5691047A (en) * 1994-05-12 1997-11-25 Ube Industries, Ltd. Porous multi-layer film
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
TW420886B (en) * 1997-12-19 2001-02-01 Celgard Inc Penta-layer battery separator
AU3850199A (en) 1998-05-20 1999-12-06 Osaka Gas Co., Ltd. Nonaqueous secondary cell and method for controlling the same
US6749961B1 (en) 2000-04-10 2004-06-15 Celgard Inc. Shutdown battery separator made with a blend of polymer and oligomer
DE10336380B4 (de) 2003-08-06 2005-08-25 Carl Freudenberg Kg Ultradünner, poröser und mechanisch stabiler Vliesstoff und dessen Verwendung
US10003058B2 (en) * 2006-11-17 2018-06-19 Celgard, Llc Method of making a co-extruded, multi-layered battery separator
CN108054327A (zh) * 2017-11-16 2018-05-18 深圳市博盛新材料有限公司 一种耐高温锂离子电池复合隔膜及其制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4650730A (en) * 1985-05-16 1987-03-17 W. R. Grace & Co. Battery separator
US4741979A (en) * 1986-05-19 1988-05-03 Eastman Kodak Company Battery separator assembly
JPH07118399B2 (ja) * 1988-07-08 1995-12-18 住友重機械工業株式会社 荷電粒子ビーム加速器の調整パラメータ表示設定装置
US4973532A (en) * 1989-04-05 1990-11-27 Hoechst Celanese Corporation Battery separator with integral thermal fuse
JP2768745B2 (ja) * 1989-07-27 1998-06-25 日東電工株式会社 電池用セパレータおよびこれを用いた電池
US5091272A (en) * 1990-05-29 1992-02-25 Duracell Inc. Separator for electrochemical cells

Also Published As

Publication number Publication date
EP0662250A1 (en) 1995-07-12
AU668704B2 (en) 1996-05-16
DE69231694D1 (de) 2001-03-22
KR100295347B1 (ko) 2001-12-28
KR940704066A (ko) 1994-12-12
WO1993013565A1 (en) 1993-07-08
BR9206964A (pt) 1995-12-19
EP0662250A4 (en) 1995-05-04
EP0662250B1 (en) 2001-02-14
ATE199194T1 (de) 2001-02-15
TW223187B (enExample) 1994-05-01
AU3327893A (en) 1993-07-28

Similar Documents

Publication Publication Date Title
DE69907551T2 (de) Dreilagiger mikroporöser Batterieseparator mit Abschaltcharakteristik
DE69500288T2 (de) Poröser Film, Verfahren zu seiner Herstellung und seine Verwendung
DE69320927T2 (de) Poröse(r) Film oder Folie, Batterie-Separator und Lithium-Batterie
DE69900190T2 (de) Dreilagiger, mikroporöser Batterieseparator und Herstellungsverfahren
DE2627229C3 (de) Mikroporöse Folie und Verfahren zu ihrer Herstellung
DE69626194T2 (de) Mikroporöser polyethylenfilm und verfahren zu dessen herstellung
JP3235669B2 (ja) 電池用セパレータおよびその製造方法
DE69825392T2 (de) Batterieseparator aus Ethylen-Vinylalkohol-Copolymer
DE60026034T2 (de) Zusammendrückbeständiges mikriporöses material und verfahren zu seiner herstellung
EP2274168B1 (de) Mikroporöse mehrschicht-membranfolie auf polypropylenbasis für batterien mit abschaltfunktion
DE69427701T2 (de) Komposit manchette/separator
EP2377186B1 (de) Einschichtige mikroporöse folie für batterien mit abschaltfunktion
DE69211510T2 (de) Seperator einer Batterie in der ein organischer Elektrolyt benutzt wird und dessen Herstellung
DE3018583A1 (de) Batteriescheider
DE60027274T2 (de) Mikroporöser film
EP2377185B1 (de) Mehrschichtige mikroporöse folie für batterien mit abschaltfunktion
DE1948482B2 (de) Biegebeständige Polyesterfolien
JPH08287897A (ja) 電池用セパレータ
DE69231694T2 (de) Separator für mehrschichtbatterie und herstellungsverfahren
DE3242657C2 (enExample)
DE112016001677T5 (de) Verbesserte mikroporöse Membranen, Separatoren, Lithium-Batterien und damit in Beziehung stehende Verfahren
CH675794A5 (enExample)
EP2510565A1 (de) Mikroporöse folie für batterien mit abschaltfunktion
DE69531423T2 (de) Poröse biaxial-orientierte Folie aus hochmolekularen Ethylen-Alpha-Olefin Copolymeren und ihre Anwendung
DE2903338A1 (de) Thermoplastische mehrschichtenfolien

Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee