DE69231694D1 - Separator für mehrschichtbatterie und herstellungsverfahren - Google Patents

Separator für mehrschichtbatterie und herstellungsverfahren

Info

Publication number
DE69231694D1
DE69231694D1 DE69231694T DE69231694T DE69231694D1 DE 69231694 D1 DE69231694 D1 DE 69231694D1 DE 69231694 T DE69231694 T DE 69231694T DE 69231694 T DE69231694 T DE 69231694T DE 69231694 D1 DE69231694 D1 DE 69231694D1
Authority
DE
Germany
Prior art keywords
ply
sheet product
separator
manufacturing
initial sheet
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
English (en)
Other versions
DE69231694T2 (de
Inventor
Julian Troffkin
Maxwell Rein
Mark Spotnitz
Thomas Giovannoni
Yihong Guo
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
Application granted granted Critical
Publication of DE69231694D1 publication Critical patent/DE69231694D1/de
Publication of DE69231694T2 publication Critical patent/DE69231694T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C08J9/26—Working-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
    • 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
    • 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
    • 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
    • H01M50/489—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
    • 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
    • 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

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)
  • Laminated Bodies (AREA)
  • Primary Cells (AREA)
  • Secondary Cells (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 true DE69231694D1 (de) 2001-03-22
DE69231694T2 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 (de)
KR (1) KR100295347B1 (de)
AT (1) ATE199194T1 (de)
AU (1) AU668704B2 (de)
BR (1) BR9206964A (de)
DE (1) DE69231694T2 (de)
TW (1) TW223187B (de)
WO (1) WO1993013565A1 (de)

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
KR100242363B1 (ko) * 1994-05-12 2000-02-01 나카히로 마오미 다공성 다층 필름
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
KR100409210B1 (ko) 1998-05-20 2003-12-12 오사까 가스 가부시키가이샤 비수계 2차 전지 및 그 제어방법
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
EP0662250B1 (de) 2001-02-14
BR9206964A (pt) 1995-12-19
AU668704B2 (en) 1996-05-16
EP0662250A4 (de) 1995-05-04
EP0662250A1 (de) 1995-07-12
ATE199194T1 (de) 2001-02-15
AU3327893A (en) 1993-07-28
WO1993013565A1 (en) 1993-07-08
DE69231694T2 (de) 2001-08-02
KR100295347B1 (ko) 2001-12-28
TW223187B (de) 1994-05-01
KR940704066A (ko) 1994-12-12

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Legal Events

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