KR100637972B1 - 리튬이온 전지용 고온 용융 무결성 전지 격리판 - Google Patents
리튬이온 전지용 고온 용융 무결성 전지 격리판 Download PDFInfo
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- KR100637972B1 KR100637972B1 KR1020040054339A KR20040054339A KR100637972B1 KR 100637972 B1 KR100637972 B1 KR 100637972B1 KR 1020040054339 A KR1020040054339 A KR 1020040054339A KR 20040054339 A KR20040054339 A KR 20040054339A KR 100637972 B1 KR100637972 B1 KR 100637972B1
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- H—ELECTRICITY
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- 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
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- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
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- 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
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- H—ELECTRICITY
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- 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
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- 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
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- 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
- H01M50/429—Natural polymers
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- 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
- H01M50/431—Inorganic material
- H01M50/434—Ceramics
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- H—ELECTRICITY
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- 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
- H01M50/451—Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
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- 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
- H01M50/454—Separators, membranes or diaphragms characterised by the material having a layered structure comprising a non-fibrous layer and a fibrous layer superimposed on one another
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- H—ELECTRICITY
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- 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
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- H—ELECTRICITY
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- 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
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- H—ELECTRICITY
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- 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
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- 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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- 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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
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- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Ceramic Engineering (AREA)
- Cell Separators (AREA)
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Abstract
Description
Claims (20)
- 고온 용융 무결성을 갖는 부직 편평 시트;저온 폐쇄성을 갖는 미세다공성 막; 및상기 부직 편평 시트를 상기 미세다공성 막에 결합시키고, 플루오르화 폴리비닐리덴; 폴리우레탄; 산화 폴리에틸렌; 폴리아크릴로니트릴; 폴리아크릴아미드; 폴리비닐 아세테이트; 폴리비닐피롤리돈; 폴리테트라에틸렌 글리콜 디아크릴레이트; 상기 물질의 임의의 공중합체 및 이들의 배합물로 구성된 그룹에서 선택되는 팽창성 중합체인 접착제를 포함하는 전지 격리판.
- 제1항에 있어서, 상기 막은 열가소성 중합체로 제조되는 것을 특징으로 하는 전지 격리판.
- 제1항에 있어서, 상기 부직 편성 시트는 열가소성 중합체와 셀룰로오스계 및 세라믹으로 구성된 그룹에서 선택되는 중합체로 제조되는 것을 특징으로 하는 전지 격리판.
- 고온 용융 무결성을 갖는 부직 편평 시트;저온 폐쇄성을 갖는 미세다공성 막; 및상기 부직 편평 시트를 상기 미세다공성 막에 결합시키고, 팽창성 중합체 및 습윤제를 포함하는 접착제를 포함하는 전지 격리판.
- 제4항에 있어서, 상기 팽창성 중합체가 플루오르화 폴리비닐리덴; 폴리우레 탄; 산화 폴리에틸렌; 폴리아크릴로니트릴; 폴리메틸아크릴레이트; 폴리(메틸메트아크릴레이트); 폴리아크릴아미드; 폴리비닐 아세테이트; 폴리비닐피롤리돈; 폴리테트라에틸렌 글리콜 디아크릴레이트; 상기 물질의 임의의 공중합체 및 이들의 배합물로 구성된 그룹에서 선택되는 것을 특징으로 하는 전지 격리판.
- 제4항에 있어서, 상기 습윤제가 프탈레이트계 에스테르, 사이클릭 탄산염, 중합체 탄산염, 및 이들의 혼합물로 구성된 그룹에서 선택되는 것을 특징으로 하는 전지 격리판.
- 제1항에 있어서, 상기 막이 열가소성 중합체로 제조되는 것을 특징으로 하는 전지 격리판.
- 제7항에 있어서, 상기 열가소성 중합체가 폴리스티렌, 염화 폴리비닐, 폴리아크릴, 폴리아세탈, 폴리아미드, 폴리탄산염, 폴리에스테르, 폴리에테르이미드, 폴리이미드, 폴리케톤, 폴리페닐렌 에테르, 황화 폴리페닐렌, 폴리술폰으로 구성된 그룹에서 선택되는 것을 특징으로 하는 전지 격리판.
- 제1항에 있어서, 상기 부직 편평 시트가 열가소성 중합체, 셀룰로오스계, 및/또는 세라믹으로 구성된 그룹에서 선택된 중합체로 제조되는 것을 특징으로 하는 전지 격리판.
- 고온 용융 무결성을 갖는 부직 편평 시트;저온 폐쇄성을 갖는 미세다공성 막; 및상기 부직 편평 시트를 상기 미세다공성 막에 결합시키는 접착제를 포함하고,상기 부직 편평 시트가 추가로 코팅 또는 표면 처리되는 것을 특징으로 하는 전지 격리판.
- 제10항에 있어서, 상기 코팅 또는 표면 처리를 세라믹 물질로 하는 것을 특징으로 하는 전지 격리판.
- 제11항에 있어서, 상기 세라믹 물질이 알루미나, 실리카, 및 지르코니아 화합물 및 이들의 배합물 그룹에서 선택되는 것을 특징으로 하는 전지 격리판.
- 제1항의 격리판으로 제조한 전지.
- 고온 용융 무결성을 갖는 부직 편평 시트를 제공하는 단계;저온 폐쇄성을 갖는 미세다공성 막을 제공하는 단계;용매와 팽창성 중합체 및 습윤제를 포함하는 접착제 용액을 제공하는 단계;상기 시트나 상기 막 또는 시트와 막 둘다를 접착제 용액으로 코팅하는 단계;부직 편평 시트와 막을 함께 라미네이팅(laminating)하는 단계; 및이로써 격리판을 형성시키는 단계를 포함하는 격리판 제조 방법.
- 삭제
- 제14항에 있어서, 라미네이팅 단계가 약 120 내지 135℃의 온도를 적용하는 단계를 추가로 포함하는 것을 특징으로 하는 격리판 제조 방법.
- 제14항에 있어서, 라미네이팅된 격리판을 용매로 세척하는 단계를 추가로 포함하는 격리판 제조 방법.
- 제10항에 있어서, 상기 부직 편성 시트는 열가소성 중합체와 셀룰로오스계 및 세라믹으로 구성된 그룹에서 선택되는 중합체로 제조되는 것을 특징으로 하는 전지 격리판.
- 제10항에 있어서, 상기 막은 열가소성 중합체로 제조되는 것을 특징으로 하는 전지 격리판.
- 제10항에 있어서, 상기 열가소성 중합체는 폴리스티렌, 염화 폴리비닐, 폴리아크릴, 폴리아세탈, 폴리아미드, 폴리탄산염, 폴리에스테르, 폴리에테르이미드, 폴리이미드, 폴리케톤, 폴리페닐렌 에테르, 황화 폴리페닐렌, 폴리술폰으로 구성된 그룹에서 선택되는 것을 특징으로 하는 전지 격리판.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/621,234 | 2003-07-15 | ||
US10/621,234 US7087343B2 (en) | 2003-07-15 | 2003-07-15 | High melt integrity battery separator for lithium ion batteries |
Publications (2)
Publication Number | Publication Date |
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KR20050008490A KR20050008490A (ko) | 2005-01-21 |
KR100637972B1 true KR100637972B1 (ko) | 2006-10-23 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020040054339A KR100637972B1 (ko) | 2003-07-15 | 2004-07-13 | 리튬이온 전지용 고온 용융 무결성 전지 격리판 |
Country Status (8)
Country | Link |
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US (1) | US7087343B2 (ko) |
EP (1) | EP1507299A2 (ko) |
JP (1) | JP4614703B2 (ko) |
KR (1) | KR100637972B1 (ko) |
CN (1) | CN1271731C (ko) |
CA (1) | CA2468218A1 (ko) |
SG (1) | SG126762A1 (ko) |
TW (1) | TWI269474B (ko) |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
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US6692868B2 (en) * | 2001-12-19 | 2004-02-17 | Daramic, Inc. | Melt blown battery separator |
US7115339B2 (en) * | 2003-02-21 | 2006-10-03 | Matsushita Electric Industrial Co., Ltd. | Lithium ion secondary battery |
DE10347567A1 (de) * | 2003-10-14 | 2005-05-12 | Degussa | Elektrischer Separator mit Abschaltmechanismus, Verfahren zu dessen Herstellung und Verwendung in Lithium-Batterien |
KR20060056287A (ko) * | 2004-01-05 | 2006-05-24 | 마쯔시다덴기산교 가부시키가이샤 | 리튬 2차전지 |
FR2866154B1 (fr) * | 2004-02-10 | 2014-02-21 | Batscap Sa | Procede d'elaboration d'un dispositif electrochimique. |
JP2005285385A (ja) * | 2004-03-29 | 2005-10-13 | Sanyo Electric Co Ltd | セパレータ及びこのセパレータを用いた非水電解質電池 |
JP2007048738A (ja) * | 2005-07-14 | 2007-02-22 | Tomoegawa Paper Co Ltd | 電子部品用セパレータおよびその製造方法 |
JP4979217B2 (ja) * | 2005-09-29 | 2012-07-18 | 日本バイリーン株式会社 | 非水電解質二次電池用セパレータ、非水電解質二次電池用セパレータの製造方法、及び非水電解質二次電池 |
US7112389B1 (en) * | 2005-09-30 | 2006-09-26 | E. I. Du Pont De Nemours And Company | Batteries including improved fine fiber separators |
US8323815B2 (en) * | 2006-06-16 | 2012-12-04 | Porous Power Technology, LLC | Optimized microporous structure of electrochemical cells |
JP2008041606A (ja) * | 2006-08-10 | 2008-02-21 | Matsushita Electric Ind Co Ltd | 非水電解質電池用セパレータ及び非水電解質電池 |
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2003
- 2003-07-15 US US10/621,234 patent/US7087343B2/en not_active Expired - Lifetime
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2004
- 2004-05-26 CA CA002468218A patent/CA2468218A1/en not_active Abandoned
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- 2004-06-04 TW TW093116206A patent/TWI269474B/zh not_active IP Right Cessation
- 2004-06-23 CN CNB2004100616626A patent/CN1271731C/zh not_active Expired - Fee Related
- 2004-07-07 EP EP04015959A patent/EP1507299A2/en not_active Withdrawn
- 2004-07-13 KR KR1020040054339A patent/KR100637972B1/ko active IP Right Grant
- 2004-07-14 JP JP2004207010A patent/JP4614703B2/ja not_active Expired - Fee Related
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US7087343B2 (en) | 2006-08-08 |
EP1507299A2 (en) | 2005-02-16 |
TWI269474B (en) | 2006-12-21 |
JP2005038854A (ja) | 2005-02-10 |
CN1271731C (zh) | 2006-08-23 |
US20050014063A1 (en) | 2005-01-20 |
JP4614703B2 (ja) | 2011-01-19 |
KR20050008490A (ko) | 2005-01-21 |
CN1577917A (zh) | 2005-02-09 |
TW200509441A (en) | 2005-03-01 |
CA2468218A1 (en) | 2005-01-15 |
SG126762A1 (en) | 2006-11-29 |
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