TWI433379B - 具有改良強度及穩定性之多層分離器 - Google Patents
具有改良強度及穩定性之多層分離器 Download PDFInfo
- Publication number
- TWI433379B TWI433379B TW096109894A TW96109894A TWI433379B TW I433379 B TWI433379 B TW I433379B TW 096109894 A TW096109894 A TW 096109894A TW 96109894 A TW96109894 A TW 96109894A TW I433379 B TWI433379 B TW I433379B
- Authority
- TW
- Taiwan
- Prior art keywords
- layer
- microporous
- separator
- battery separator
- multilayer
- Prior art date
Links
- 230000001747 exhibiting effect Effects 0.000 title description 3
- -1 polypropylene Polymers 0.000 claims description 47
- 238000000034 method Methods 0.000 claims description 33
- 239000004743 Polypropylene Substances 0.000 claims description 32
- 229920001155 polypropylene Polymers 0.000 claims description 32
- 239000002243 precursor Substances 0.000 claims description 27
- 230000035699 permeability Effects 0.000 claims description 25
- 230000008569 process Effects 0.000 claims description 23
- 239000004698 Polyethylene Substances 0.000 claims description 22
- 238000005259 measurement Methods 0.000 claims description 22
- 229920000573 polyethylene Polymers 0.000 claims description 22
- 230000035515 penetration Effects 0.000 claims description 21
- 229920000098 polyolefin Polymers 0.000 claims description 21
- 239000000155 melt Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 5
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- 239000008188 pellet Substances 0.000 claims description 2
- 229920006266 Vinyl film Polymers 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 238000006116 polymerization reaction Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 239000000523 sample Substances 0.000 description 11
- 239000003792 electrolyte Substances 0.000 description 10
- 238000012360 testing method Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 239000012528 membrane Substances 0.000 description 6
- 238000000137 annealing Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000010405 anode material Substances 0.000 description 3
- 238000003490 calendering Methods 0.000 description 3
- 239000010406 cathode material Substances 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 229910013870 LiPF 6 Inorganic materials 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 206010035148 Plague Diseases 0.000 description 1
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229920000092 linear low density polyethylene Polymers 0.000 description 1
- 239000004707 linear low-density polyethylene Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 229920000306 polymethylpentene Polymers 0.000 description 1
- 239000011116 polymethylpentene Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920006302 stretch film Polymers 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000002145 thermally induced phase separation Methods 0.000 description 1
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/023—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
- B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
-
- 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
- B32B38/0032—Ancillary operations in connection with laminating processes increasing 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
- H01M50/409—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
- H01M50/409—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
-
- 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
-
- 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
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0036—Heat treatment
- B32B2038/0048—Annealing, relaxing
-
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cell Separators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/400,465 US20070238017A1 (en) | 2006-04-07 | 2006-04-07 | Multilayer separator exhibiting improved strength and stability |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200814410A TW200814410A (en) | 2008-03-16 |
| TWI433379B true TWI433379B (zh) | 2014-04-01 |
Family
ID=38575695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW096109894A TWI433379B (zh) | 2006-04-07 | 2007-03-22 | 具有改良強度及穩定性之多層分離器 |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US20070238017A1 (enExample) |
| JP (2) | JP5065737B2 (enExample) |
| KR (1) | KR100863100B1 (enExample) |
| CN (1) | CN100544074C (enExample) |
| TW (1) | TWI433379B (enExample) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2079119B1 (en) * | 2006-10-13 | 2013-01-02 | Toyo Tanso Co., Ltd. | Process for manufacturing a separator for a nonaqueous electrolyte secondary battery |
| US10003058B2 (en) * | 2006-11-17 | 2018-06-19 | Celgard, Llc | Method of making a co-extruded, multi-layered battery separator |
| KR20110101136A (ko) * | 2008-11-26 | 2011-09-15 | 도레이 토넨 기노우마쿠 고도카이샤 | 미세다공막, 이러한 필름의 제조 방법 및 전지 세퍼레이터 필름으로서의 이러한 필름의 사용 |
| KR101630474B1 (ko) | 2009-01-07 | 2016-06-14 | 미쓰이 가가쿠 가부시키가이샤 | 미다공막 형성용 폴리프로필렌 수지 조성물 |
| JP5653761B2 (ja) | 2009-01-07 | 2015-01-14 | 株式会社プライムポリマー | 微多孔膜形成用ポリプロピレン樹脂組成物 |
| US20100255376A1 (en) | 2009-03-19 | 2010-10-07 | Carbon Micro Battery Corporation | Gas phase deposition of battery separators |
| US20110223486A1 (en) * | 2010-03-12 | 2011-09-15 | Xiaomin Zhang | Biaxially oriented porous membranes, composites, and methods of manufacture and use |
| KR101670200B1 (ko) | 2010-08-02 | 2016-10-27 | 셀가드 엘엘씨 | 높은 용융 온도 미세다공성 리튬-이온 2차 전지 세퍼레이터 및 제조방법 및 용도 |
| JP2014222563A (ja) * | 2011-09-07 | 2014-11-27 | Jnc株式会社 | リチウムイオン電池用セパレータ |
| JP5906698B2 (ja) * | 2011-12-01 | 2016-04-20 | 株式会社Ｇｓユアサ | 非水電解質二次電池 |
| JP2016516279A (ja) * | 2013-03-15 | 2016-06-02 | セルガード エルエルシー | リチウム・イオン二次電池用の多層ハイブリッド電池セパレータおよびその製造方法 |
| KR102244211B1 (ko) | 2013-08-12 | 2021-04-27 | 솔베이(소시에떼아노님) | 고체 복합 플루오로중합체 세퍼레이터 |
| EP2921298B1 (de) * | 2014-03-17 | 2017-10-25 | Mondi Gronau GmbH | Mehrschichtige blasfolie zur herstellung von etiketten |
| CN112234315A (zh) * | 2014-11-26 | 2021-01-15 | 赛尔格有限责任公司 | 用于锂离子可充电电池的改进的微孔膜隔板及相关方法 |
| EP3224880B1 (en) | 2014-11-26 | 2023-09-13 | Celgard LLC | Improved multilayer microporous separators for lithium ion secondary batteries and related methods |
| DE112016001677T5 (de) | 2015-04-10 | 2018-01-25 | Celgard Llc | Verbesserte mikroporöse Membranen, Separatoren, Lithium-Batterien und damit in Beziehung stehende Verfahren |
| CN114122621B (zh) | 2015-06-03 | 2024-08-20 | 赛尔格有限责任公司 | 低电阻抗微孔膜、电池隔板、电池单元、电池及相关方法 |
| KR20180026790A (ko) | 2015-07-31 | 2018-03-13 | 셀가드 엘엘씨 | 개선된 적층 다층 막, 분리기, 전지, 및 방법 |
| PL3350854T3 (pl) | 2015-09-18 | 2023-01-30 | Celgard, Llc | Ulepszone membrany, mikroporowate membrany kalandrowane, separatory baterii i związane sposoby |
| JP6987053B2 (ja) | 2015-11-11 | 2021-12-22 | セルガード エルエルシー | ミクロ層膜、改良された電池セパレータ、および製造および使用の方法 |
| US20190036094A1 (en) * | 2016-01-25 | 2019-01-31 | Daicel Corporation | Secondary battery |
| US20170222205A1 (en) * | 2016-01-29 | 2017-08-03 | Celgard, Llc | Separators, batteries, systems, vehicles, and related methods |
| EP3539173A4 (en) | 2016-11-11 | 2020-10-28 | Celgard LLC | IMPROVED MICROLAYER MEMBRANES, IMPROVED BATTERY SEPARATORS AND RELATED PROCESSES |
| TWI762647B (zh) * | 2017-05-26 | 2022-05-01 | 美商希爾格得有限公司 | 新穎或經改良的微孔膜、電池組分隔件、經塗覆之分隔件、電池組及相關方法 |
| KR102799083B1 (ko) * | 2017-11-03 | 2025-04-23 | 셀가드 엘엘씨 | 개선된 마이크로 다공성 막, 전지 세퍼레이터, 전지, 및 이를 포함하는 장치 |
| WO2019103947A2 (en) | 2017-11-21 | 2019-05-31 | Asahi Kasei Kabushiki Kaisha | Separator for electric storage device |
| WO2019190253A1 (ko) * | 2018-03-28 | 2019-10-03 | 주식회사 엘지화학 | 분리막의 안정성 평가 방법 |
| CN109461871B (zh) * | 2018-09-04 | 2021-08-31 | 深圳中兴新材技术股份有限公司 | 一种不对称结构的多层聚烯烃微孔膜及其制备方法和应用 |
| KR102298127B1 (ko) * | 2018-09-11 | 2021-09-03 | 주식회사 엘지화학 | 전기화학소자용 분리막의 기계적 안전성 평가 방법 |
| KR102814125B1 (ko) | 2019-10-14 | 2025-05-28 | 주식회사 엘지에너지솔루션 | 전기화학소자용 분리막의 절연 및 리튬 이온전도도 특성 평가 방법 및 시스템 |
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| JPS5819689B2 (ja) | 1975-06-18 | 1983-04-19 | 旭化成株式会社 | タコウマク |
| US4650730A (en) | 1985-05-16 | 1987-03-17 | W. R. Grace & Co. | Battery separator |
| TW212771B (enExample) | 1991-09-20 | 1993-09-11 | Ube Reikisen Kk | |
| US5281491A (en) | 1991-12-20 | 1994-01-25 | W. R. Grace & Co. | Battery separator |
| 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 |
| DE69514711T2 (de) | 1994-05-12 | 2000-05-31 | Ube Industries, Ltd. | Poröser mehrschichtiger Film |
| JP3011309B2 (ja) * | 1994-05-12 | 2000-02-21 | 宇部興産株式会社 | 電池用セパレ−タ及びその製法 |
| US5667911A (en) | 1994-11-17 | 1997-09-16 | Hoechst Celanese Corporation | Methods of making cross-ply microporous membrane battery separator, and the battery separators made thereby |
| US5565281A (en) | 1994-12-02 | 1996-10-15 | Hoechst Celanese Corporation | Shutdown, bilayer battery separator |
| TW297171B (enExample) * | 1994-12-20 | 1997-02-01 | Hoechst Celanese Corp | |
| JPH08244152A (ja) * | 1995-03-15 | 1996-09-24 | Nitto Denko Corp | 多孔質フィルムおよびその製造法 |
| US5952120A (en) * | 1997-04-15 | 1999-09-14 | Celgard Llc | Method of making a trilayer battery separator |
| US6180280B1 (en) | 1998-03-12 | 2001-01-30 | Celgard Inc. | Trilayer battery separator |
| US6080507A (en) | 1998-04-13 | 2000-06-27 | Celgard Inc. | Trilayer battery separator |
| KR100591061B1 (ko) | 1998-10-01 | 2006-06-19 | 토넨 케미칼 코퍼레이션 | 폴리올레핀 미세다공성막 및 그것의 제조방법 |
| US6666969B1 (en) | 1998-10-01 | 2003-12-23 | Tonen Chemical Corporation | Microporous polyolefin film and process for producing the same |
| WO2000049074A1 (fr) | 1999-02-19 | 2000-08-24 | Tonen Chemical Corporation | Film microporeux polyolefinique et son procede de preparation |
| US6232402B1 (en) | 1999-10-28 | 2001-05-15 | Demeuse Mark Thomas | Films based on three component polyolefin blend |
| US6830849B2 (en) | 2000-01-10 | 2004-12-14 | Lg Chemical Co., Ltd. | High crystalline polypropylene microporous membrane, multi-component microporous membrane and methods for preparing the same |
| US20020136945A1 (en) * | 2000-01-18 | 2002-09-26 | Call Ronald W. | Multilayer battery separators |
| US6881515B2 (en) * | 2001-05-08 | 2005-04-19 | Celgard Inc. | Separator for polymer battery |
| US6692867B2 (en) * | 2001-10-12 | 2004-02-17 | Celgard Inc. | Battery separator-pin removal |
| US20050031943A1 (en) * | 2003-08-07 | 2005-02-10 | Call Ronald W. | Battery separator and method of making same |
-
2006
- 2006-04-07 US US11/400,465 patent/US20070238017A1/en not_active Abandoned
-
2007
- 2007-03-22 TW TW096109894A patent/TWI433379B/zh active
- 2007-04-05 JP JP2007099015A patent/JP5065737B2/ja not_active Expired - Fee Related
- 2007-04-05 KR KR1020070033623A patent/KR100863100B1/ko active Active
- 2007-04-06 CN CNB2007100903592A patent/CN100544074C/zh active Active
-
2010
- 2010-04-07 US US12/755,471 patent/US8486556B2/en not_active Expired - Fee Related
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2012
- 2012-08-09 JP JP2012176903A patent/JP5694255B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| KR100863100B1 (ko) | 2008-10-13 |
| TW200814410A (en) | 2008-03-16 |
| JP2013012484A (ja) | 2013-01-17 |
| CN100544074C (zh) | 2009-09-23 |
| US20100209758A1 (en) | 2010-08-19 |
| JP5065737B2 (ja) | 2012-11-07 |
| CN101174679A (zh) | 2008-05-07 |
| JP5694255B2 (ja) | 2015-04-01 |
| KR20070100644A (ko) | 2007-10-11 |
| JP2007311332A (ja) | 2007-11-29 |
| US8486556B2 (en) | 2013-07-16 |
| US20070238017A1 (en) | 2007-10-11 |
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