CA2314455A1 - Battery separators with reduced splitting propensity - Google Patents

Battery separators with reduced splitting propensity Download PDF

Info

Publication number
CA2314455A1
CA2314455A1 CA002314455A CA2314455A CA2314455A1 CA 2314455 A1 CA2314455 A1 CA 2314455A1 CA 002314455 A CA002314455 A CA 002314455A CA 2314455 A CA2314455 A CA 2314455A CA 2314455 A1 CA2314455 A1 CA 2314455A1
Authority
CA
Canada
Prior art keywords
microporous membrane
ratio
film
tensile strength
blow
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.)
Abandoned
Application number
CA002314455A
Other languages
English (en)
French (fr)
Inventor
Robert W. Callahan
Ronald W. Call
Ken J. Harleson
Ta-Hua Yu
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23523490&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2314455(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Celgard LLC filed Critical Celgard LLC
Publication of CA2314455A1 publication Critical patent/CA2314455A1/en
Abandoned legal-status Critical Current

Links

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
    • H01M50/403—Manufacturing processes of separators, membranes or diaphragms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0086—Mechanical after-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/26—Polyalkenes
    • B01D71/261—Polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/26—Polyalkenes
    • B01D71/262—Polypropylene
    • 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
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
    • B29C55/065—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed in several stretching steps
    • 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
    • B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
    • 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
    • H01M50/406—Moulding; Embossing; Cutting
    • 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
    • H01M50/451—Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
    • 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
    • H01M50/494—Tensile strength
    • 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
    • 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0068—Permeability to liquids; Adsorption
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H01M2200/10—Temperature sensitive devices
    • 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
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249978—Voids specified as micro
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249978—Voids specified as micro
    • Y10T428/24998—Composite has more than two layers
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249981—Plural void-containing components

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Cell Separators (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Secondary Cells (AREA)
CA002314455A 1999-08-30 2000-07-21 Battery separators with reduced splitting propensity Abandoned CA2314455A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/385,933 1999-08-30
US09/385,933 US6602593B1 (en) 1999-08-30 1999-08-30 Battery separators with reduced splitting propensity

Publications (1)

Publication Number Publication Date
CA2314455A1 true CA2314455A1 (en) 2001-02-28

Family

ID=23523490

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002314455A Abandoned CA2314455A1 (en) 1999-08-30 2000-07-21 Battery separators with reduced splitting propensity

Country Status (8)

Country Link
US (1) US6602593B1 (enExample)
EP (1) EP1081775A3 (enExample)
JP (3) JP2001122998A (enExample)
KR (1) KR100699120B1 (enExample)
CN (1) CN1198347C (enExample)
CA (1) CA2314455A1 (enExample)
SG (1) SG89340A1 (enExample)
TW (1) TW472410B (enExample)

Families Citing this family (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7247408B2 (en) * 1999-11-23 2007-07-24 Sion Power Corporation Lithium anodes for electrochemical cells
US20020136945A1 (en) * 2000-01-18 2002-09-26 Call Ronald W. Multilayer battery separators
US6432586B1 (en) 2000-04-10 2002-08-13 Celgard Inc. Separator for a high energy rechargeable lithium battery
US6921608B2 (en) * 2000-07-11 2005-07-26 Celgard, Inc. Battery separator
US20030104236A1 (en) * 2001-12-03 2003-06-05 Celgard Inc. Diffusion membrane
JP3642487B2 (ja) * 2001-12-10 2005-04-27 ソニー株式会社 二次電池およびそれに用いる電解質
US8007940B2 (en) * 2001-12-11 2011-08-30 Eveready Battery Company, Inc. High discharge capacity lithium battery
US20050112462A1 (en) * 2003-11-21 2005-05-26 Marple Jack W. High discharge capacity lithium battery
US20040142245A1 (en) * 2002-01-24 2004-07-22 Takushi Ishikawa Nonaqueous secondary cell and electronic device incorporating same
US6872677B2 (en) * 2002-10-02 2005-03-29 Oil Dri Corporation Brick additives and methods for using same
US20050031943A1 (en) * 2003-08-07 2005-02-10 Call Ronald W. Battery separator and method of making same
US20050233214A1 (en) * 2003-11-21 2005-10-20 Marple Jack W High discharge capacity lithium battery
US8124274B2 (en) * 2003-11-21 2012-02-28 Eveready Battery Company, Inc. High discharge capacity lithium battery
US8283071B2 (en) 2003-11-21 2012-10-09 Eveready Battery Company, Inc. High discharge capacity lithium battery
EP1732155B1 (en) * 2004-03-04 2010-09-01 Panasonic Corporation Composite electrolytic membrane, catalytic layer membrane assembly, membrane electrode assembly and polymer electroytic fuel cell
KR101401833B1 (ko) * 2005-10-18 2014-05-29 도레이 카부시키가이샤 축전 디바이스 세퍼레이터용 미다공 필름 및 그것을 이용한축전 디바이스 세퍼레이터
US8795565B2 (en) * 2006-02-21 2014-08-05 Celgard Llc Biaxially oriented microporous membrane
EP2188127B1 (en) * 2007-08-31 2017-04-12 Toray Battery Separator Film Co., Ltd. Multi-layer microporous polyolefin membrane and its production method
JP5513391B2 (ja) * 2007-09-28 2014-06-04 エバレデイ バツテリ カンパニー インコーポレーテツド 合成黄鉄鉱を生成するプロセス
US8460824B2 (en) * 2007-10-19 2013-06-11 Eveready Battery Company, Inc. Lithium-iron disulfide cell design
JP5195341B2 (ja) * 2008-11-19 2013-05-08 Ｔｄｋ株式会社 リチウムイオン二次電池用セパレータ及びリチウムイオン二次電池
US20100255376A1 (en) * 2009-03-19 2010-10-07 Carbon Micro Battery Corporation Gas phase deposition of battery separators
JP5736364B2 (ja) * 2009-03-19 2015-06-17 アムテック リサーチ インターナショナル エルエルシー エネルギー貯蔵デバイスにおいて使用するための、自立性、耐熱性微多孔質フィルム
AU2010286985B2 (en) * 2009-08-27 2014-09-25 Energizer Brands, Llc Lithium-iron disulfide cathode formulation having high pyrite content and low conductive additives
US20110223486A1 (en) * 2010-03-12 2011-09-15 Xiaomin Zhang Biaxially oriented porous membranes, composites, and methods of manufacture and use
PL3219461T3 (pl) 2010-12-28 2019-06-28 Asahi Kasei Kabushiki Kaisha Porowata powłoka na bazie poliolefiny i sposób jej wytwarzania
WO2013009750A2 (en) * 2011-07-11 2013-01-17 California Institute Of Technology Novel separators for electrochemical systems
US9379368B2 (en) * 2011-07-11 2016-06-28 California Institute Of Technology Electrochemical systems with electronically conductive layers
US20130245201A1 (en) * 2012-03-16 2013-09-19 King Abdulaziz City For Science And Technology Lldpe-ldpe blown film blend
US9783914B2 (en) * 2012-11-06 2017-10-10 Celgard, Llc Copolymer membranes, fibers, products and methods
US20160359198A1 (en) * 2013-01-04 2016-12-08 Greatbatch Ltd. Autoclavable cfx cell
US9455432B2 (en) * 2013-03-15 2016-09-27 Celgard, Llc Multilayer hybrid battery separators for lithium ion secondary batteries and methods of making same
KR101442969B1 (ko) 2013-04-15 2014-09-23 삼성토탈 주식회사 폴리프로필렌 수지를 포함하는 미세다공성 분리막
CN105873484B (zh) 2013-10-18 2020-06-19 赛尔格有限责任公司 多孔膜擦拭件及其制造与使用方法
WO2015074037A2 (en) 2013-11-18 2015-05-21 California Institute Of Technology Separator enclosures for electrodes and electrochemical cells
US10714724B2 (en) 2013-11-18 2020-07-14 California Institute Of Technology Membranes for electrochemical cells
CN106233501B (zh) 2014-03-19 2021-01-22 赛尔格有限责任公司 带压纹的微孔膜电池隔板材料及其制造与使用方法
CN112189976A (zh) 2014-03-19 2021-01-08 赛尔格有限责任公司 带压纹的微孔膜擦拭巾及其制造与使用方法
WO2015143425A1 (en) 2014-03-21 2015-09-24 Celgard, Llc Seam tape and methods of manufacture and use thereof
CN106663769B (zh) 2014-05-13 2020-06-19 赛尔格有限责任公司 功能化的多孔膜及其制造和使用方法
CN107210407B (zh) 2014-11-26 2020-12-08 赛尔格有限责任公司 用于锂离子二次电池的改进的多层微孔膜隔板及相关方法
KR102650164B1 (ko) 2014-11-26 2024-03-21 셀가드 엘엘씨 리튬 이온 재충전 가능한 배터리를 위한 개선된 미소공성 막 분리기 및 관련 방법
WO2017007015A1 (ja) * 2015-07-08 2017-01-12 株式会社 東芝 非水電解質電池及び電池パック
US10777800B2 (en) * 2015-09-18 2020-09-15 Celgard, Llc Membranes, calendered microporous membranes, battery separators, and related methods
HUE060157T2 (hu) 2015-11-11 2023-02-28 Celgard Llc Mikrorétegû membránok, javított akkumulátor szeparátorok és eljárások elõállításra és alkalmazásra
JP6025957B1 (ja) * 2015-11-30 2016-11-16 住友化学株式会社 非水電解液二次電池用セパレータ、非水電解液二次電池用積層セパレータ、非水電解液二次電池用部材、非水電解液二次電池および非水電解液二次電池用セパレータの製造方法
JP6014743B1 (ja) 2015-11-30 2016-10-25 住友化学株式会社 非水電解液二次電池用セパレータおよびその利用
US10340528B2 (en) 2015-12-02 2019-07-02 California Institute Of Technology Three-dimensional ion transport networks and current collectors for electrochemical cells
KR102586597B1 (ko) 2016-07-22 2023-10-11 셀가드 엘엘씨 개선된 코팅, 코팅된 분리기, 전지 및 관련 방법
JP7017345B2 (ja) * 2017-08-31 2022-02-08 旭化成株式会社 蓄電デバイス用セパレータ
US11949124B2 (en) 2018-01-22 2024-04-02 Celgard, Llc Coated separators, lithium batteries, and related methods
CN108619923A (zh) * 2018-05-04 2018-10-09 上海恩捷新材料科技股份有限公司 水处理多孔膜及其制备方法
KR102887270B1 (ko) * 2018-09-17 2025-11-18 셀가드 엘엘씨 다층 멤브레인, 분리막, 전지, 및 방법
US20220094019A1 (en) 2019-01-04 2022-03-24 Ceigard, LLC Coated microporous membranes, and battery separators, batteries, vehicles, and devices comprising the same
WO2020142708A1 (en) 2019-01-04 2020-07-09 Celgard, Llc Polyimide coated separator for lithium batteries or capacitor
WO2020146658A2 (en) * 2019-01-09 2020-07-16 The Regents Of The University Of Michigan Porous material with microscale features
TW202044646A (zh) 2019-04-04 2020-12-01 美商希爾格得有限公司 用於高能量可充電鋰電池之聚醯胺—醯亞胺塗覆分隔件
KR102581428B1 (ko) 2019-05-28 2023-09-21 주식회사 엘지화학 반사 방지 필름, 편광판 및 디스플레이 장치
KR102371580B1 (ko) * 2019-05-28 2022-03-07 주식회사 엘지화학 반사 방지 필름, 편광판 및 디스플레이 장치
EP4675742A4 (en) * 2023-02-28 2026-06-17 Panasonic Ip Man Co Ltd SECONDARY BATTERY WITH NON-AQUEAL ELECTROLYTE

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4118453A (en) 1976-08-30 1978-10-03 Mobil Oil Corporation Method and apparatus for the extrusion of tubular thermoplastic film
US4650730A (en) 1985-05-16 1987-03-17 W. R. Grace & Co. Battery separator
US4620956A (en) * 1985-07-19 1986-11-04 Celanese Corporation Process for preparing microporous polyethylene film by uniaxial cold and hot stretching
JPH075781B2 (ja) * 1987-08-27 1995-01-25 三菱化学株式会社 多孔性シ−トの製造方法
DE3917652A1 (de) * 1989-05-31 1990-12-06 Hoechst Ag Mehrschichtige transparente polyolefinfolie fuer die schrumpfetikettieranwendung
DE69120284T2 (de) * 1990-10-30 1997-03-06 Minnesota Mining & Mfg Gegenstände mit einer hydrophilen polymeren schale und verfahren zu deren herstellung
US5443727A (en) * 1990-10-30 1995-08-22 Minnesota Mining And Manufacturing Company Articles having a polymeric shell and method for preparing same
US5281491A (en) 1991-12-20 1994-01-25 W. R. Grace & Co. Battery separator
US5240655A (en) 1991-12-20 1993-08-31 W. R. Grace & Co.-Conn. Process of making a battery separator
JP3342755B2 (ja) * 1992-10-28 2002-11-11 旭化成株式会社 円筒型電気部品用セパレ−タ−
US5318866A (en) * 1993-04-23 1994-06-07 Pall Corporation Battery separators
JPH06345893A (ja) * 1993-06-08 1994-12-20 Mitsubishi Kasei Corp 多孔性フィルムまたはシート
JP3003830B2 (ja) 1994-05-12 2000-01-31 宇部興産株式会社 積層多孔質フイルム及びその製法
JP3449656B2 (ja) * 1994-11-11 2003-09-22 旭化成株式会社 電池セパレータ
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
US5635262A (en) * 1994-12-12 1997-06-03 Exxon Chemical Patents Inc. High molecular weight high density polyethylene with improved tear resistance
TW297171B (enExample) 1994-12-20 1997-02-01 Hoechst Celanese Corp
JPH08250097A (ja) 1995-03-15 1996-09-27 Kureha Chem Ind Co Ltd 電気化学的装置用極間セパレーター
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
JP3746848B2 (ja) * 1995-07-18 2006-02-15 三井化学株式会社 高分子量ポリオレフィン微多孔フィルムおよびその製造方法
JPH0977893A (ja) * 1995-09-12 1997-03-25 Mitsui Petrochem Ind Ltd 通気性フィルム
US5759678A (en) 1995-10-05 1998-06-02 Mitsubishi Chemical Corporation High-strength porous film and process for producing the same
JP4132066B2 (ja) * 1996-11-19 2008-08-13 三井化学株式会社 高分子量ポリオレフィン多孔フィルムおよびその製造 方法
JPH11106552A (ja) * 1997-09-30 1999-04-20 Tonen Kagaku Kk 親水化ポリオレフィン微多孔膜及びその製造方法
TW420886B (en) * 1997-12-19 2001-02-01 Celgard Inc Penta-layer battery separator
US6120939A (en) 1998-01-13 2000-09-19 Daramic, Inc. Meltblown fiber battery separator
US6368742B2 (en) 1998-06-26 2002-04-09 Celgard, Inc. Polypropylene microporous membrane for battery separator
US6749961B1 (en) * 2000-04-10 2004-06-15 Celgard Inc. Shutdown battery separator made with a blend of polymer and oligomer

Also Published As

Publication number Publication date
TW472410B (en) 2002-01-11
SG89340A1 (en) 2002-06-18
EP1081775A2 (en) 2001-03-07
EP1081775A3 (en) 2006-01-04
JP2001122998A (ja) 2001-05-08
JP2013241594A (ja) 2013-12-05
JP6149052B2 (ja) 2017-06-14
JP2015131962A (ja) 2015-07-23
US6602593B1 (en) 2003-08-05
CN1286502A (zh) 2001-03-07
KR20010021458A (ko) 2001-03-15
CN1198347C (zh) 2005-04-20
KR100699120B1 (ko) 2007-03-21

Similar Documents

Publication Publication Date Title
US6602593B1 (en) Battery separators with reduced splitting propensity
US9908317B2 (en) Multilayer battery separators
KR100512540B1 (ko) 삼층 배터리 분리기의 제조 방법
KR100388890B1 (ko) 작동정지,삼중층배터리격리판
JP4238096B2 (ja) 電池セパレーター及びその製造方法
EP0715364B1 (en) Shutdown, bilayer battery separator
US6346350B1 (en) Structurally stable fusible battery separators and method of making same
JP2024050755A (ja) 共押出しされた、多層電池セパレーター
EP0723304A2 (en) Methods of making cross-ply microporous membrane battery separator, and the battery separators made thereby
EP3663072A1 (en) Biaxially oriented microporous membrane
EP0924780B1 (en) Penta-layer battery separator
KR20160112518A (ko) 강한 층간 접착력을 갖는 다층 복합 분리막의 제조방법

Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued