KR960027040A - 작동중지, 이중층 배터리 격리판 - Google Patents

작동중지, 이중층 배터리 격리판 Download PDF

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KR960027040A
KR960027040A KR1019950046052A KR19950046052A KR960027040A KR 960027040 A KR960027040 A KR 960027040A KR 1019950046052 A KR1019950046052 A KR 1019950046052A KR 19950046052 A KR19950046052 A KR 19950046052A KR 960027040 A KR960027040 A KR 960027040A
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separator
membrane
sheet
film
microporous membrane
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KR1019950046052A
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KR100855632B1 (ko
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유 웨이-칭
다불류 가이거 마아가렛트
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마이클 에이 카푸노
획스트 세라니이즈 코오포레이션
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    • 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
    • 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
    • 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
    • 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
    • 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
    • B32B5/18—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 features of a layer of foamed material
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • 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
    • H01M50/403—Manufacturing processes of separators, membranes or diaphragms
    • 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
    • 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B32B2305/026—Porous
    • 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
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/08—Dimensions, e.g. volume
    • B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
    • B32B2309/105—Thickness
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Cell Separators (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

본 발명은 작동중지, 이중층 배터리 격리판 및 그들 제조하기 위한 방법에 관한 것이다. 작동중지 능력을 갖는 제1미소다공성 막 및 강도 특성을 갖는 미소 다공성 막이 마주 접촉하여 함께 결합된다. 제1막의 면은 제2막의 면에 캘린더링, 접착제 또는 용접에 의해 접착되고, 격리판은 3밀 미만의 두께, 및 제2미소다공성 막으로부터 측정된 1900ｇ-㎜ 초과의 파괴 강도 및 1ｇ/㎝ 초과의 박리 강도를 갖는다.

Description

작동중지, 이중층 배터리 격리판
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (14)

  1. 작동중지 능력 및 면을 갖는 제1미소다공성 막; 및 강도 특성 및 면을 갖는 제2미소다공성 막으로 구성되는 작동중지, 이중층 배터리 격리판으로서, 상기 제1막 및 상기 제2막이 마주 접촉하여 함께 결합되고; 상기 격리판이 3mil 미만의 두께; 상기 제2미소다공성 막으로부터 측정된 1900ｇ-㎜ 초과의 파괴 강도; 및 1ｇ/㎝ 초과의 박리강도를 갖는 작동중지, 이중층 배터리 격리판.
  2. 제1항에 있어서, 상기 파괴 강도가 2000ｇ-㎜ 초과인 격리판.
  3. 제1항에 있어서, 상기 파괴 강도가 2400ｇ-㎜ 이상인 격리판.
  4. 제1항에 있어서, 상기 박리 강도가 4ｇ/㎝ 이상인 격리판.
  5. 제1항에 있어서, 상기 박리 강도가 8ｇ/㎝ 이상인 격리판.
  6. 제1항에 있어서, 상기 두께가 약 0.9밀∼3밀 미만 범위인 격리판.
  7. 제1항에 있어서, 상기 제1막의 용융 온도가 상기 제2막의 용융 온도보다 적어도 20℃ 낮은 격리판.
  8. 제1항에 있어서, 상기 제1막이 폴리에틸렌 재료로부터 제조되고, 상기 제2막이 폴리프로필렌 재료로부터 제조된 격리판.
  9. 제1항에서 서술된 격리판을 포함하는 배터리.
  10. 면을 갖는 폴리에틸렌, 미소다공정 막; 면을 갖는 폴리프로필렌, 미소다공성 막으로 구성되는 작동중지, 이중층 배터리 격리판으로서, 상기 폴리에틸렌 막 및 상기 폴리프로필렌 막이 마주 접촉하여 함께 결합되고; 상기 격리판이 3mil 미만의 두께; 폴리프로필렌 막으로부터 측정된 20ｇ-㎜ 이상의 파괴 강도; 및 8ｇ/㎝ 이상의 박리 강도를 갖는 작동중지, 이중층 배터리 격리판.
  11. 제10항에 있어서, 서술된 격리판을 포함하는 배터리.
  12. 하기 단계로 구성되는 작동중지, 이중층 배터리 격리판을 제조하기 위한 방법 : 1) a) 제1중합체를 압출하여 제1시이트를 성형하고, b) 이 제1시이트를 어니일링하고, c) 이 제1시이트를 스트레칭 하므로써 제1미소 다공성 막을 형성하는 단계; 2) a) 제2중합체를 압출하여 제2시이트를 성형하고, b) 이제2시이트를 어니일링 하고, c) 이 제2시이트를 스트레칭 하므로써 제2미소다공성 막을 형성하는 단계; 및 3) 134℃ 미만으로 온도에서 캘린더링하고, 접착제로 접착하고, 용접하는 것으로 구성되는 방법에 의해 상기 제2막과 마주 접촉하여 상기 제1막을 결합시키는 단계.
  13. 제12항에 있어서, 약 130℃의 온도에서 캘린더링 하므로써 결합되는 방법.
  14. 제12항에 있어서, 약 130℃의 온도에서 캘린더링 하므로써 결합되고, 캘린더링 닙 로울이 밀폐되는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950046052A 1994-12-02 1995-12-01 작동중지,이중층배터리격리판 KR100855632B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/348,630 US5565281A (en) 1994-12-02 1994-12-02 Shutdown, bilayer battery separator
US08/348,630 1994-12-02
US08/348630 1994-12-02

Publications (2)

Publication Number Publication Date
KR960027040A true KR960027040A (ko) 1996-07-22
KR100855632B1 KR100855632B1 (ko) 2009-03-18

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Country Link
US (1) US5565281A (ko)
EP (1) EP0715364B1 (ko)
JP (1) JP4290769B2 (ko)
KR (1) KR100855632B1 (ko)
CN (1) CN1185726C (ko)
DE (1) DE69501937T2 (ko)

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EP0715364B1 (en) 1998-04-01
CN1132945A (zh) 1996-10-09
EP0715364A1 (en) 1996-06-05
CN1185726C (zh) 2005-01-19
US5565281A (en) 1996-10-15
KR100855632B1 (ko) 2009-03-18
DE69501937T2 (de) 1998-07-30
DE69501937D1 (de) 1998-05-07
JP4290769B2 (ja) 2009-07-08
JPH08227705A (ja) 1996-09-03

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