KR20050058359A - 다층 양자 교환막 및 막 전극 조립체 제조방법 - Google Patents

다층 양자 교환막 및 막 전극 조립체 제조방법 Download PDF

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Publication number
KR20050058359A
KR20050058359A KR1020057002782A KR20057002782A KR20050058359A KR 20050058359 A KR20050058359 A KR 20050058359A KR 1020057002782 A KR1020057002782 A KR 1020057002782A KR 20057002782 A KR20057002782 A KR 20057002782A KR 20050058359 A KR20050058359 A KR 20050058359A
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KR
South Korea
Prior art keywords
substrate
proton exchange
exchange membrane
layer
article
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.)
Withdrawn
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KR1020057002782A
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English (en)
Korean (ko)
Inventor
스티븐 제이. 함록
피나 이. 세림
존 엘. 레윈
숀 더블유. 리
Original Assignee
쓰리엠 이노베이티브 프로퍼티즈 컴파니
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Publication of KR20050058359A publication Critical patent/KR20050058359A/ko
Withdrawn legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B13/00Diaphragms; Spacing elements
    • C25B13/04Diaphragms; Spacing elements characterised by the material
    • C25B13/08Diaphragms; Spacing elements characterised by the material based on organic materials
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/20Manufacture of shaped structures of ion-exchange resins
    • C08J5/22Films, membranes or diaphragms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12Composite membranes; Ultra-thin membranes
    • B01D69/1218Layers having the same chemical composition, but different properties, e.g. pore size, molecular weight or porosity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12Composite membranes; Ultra-thin membranes
    • B01D69/122Separate manufacturing of ultra-thin membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/30Polyalkenyl halides
    • B01D71/32Polyalkenyl halides containing fluorine atoms
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/10Fuel cells with solid electrolytes
    • H01M8/1016Fuel cells with solid electrolytes characterised by the electrolyte material
    • H01M8/1018Polymeric electrolyte materials
    • H01M8/102Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer
    • H01M8/1032Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having sulfur, e.g. sulfonated-polyethersulfones [S-PES]
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/10Fuel cells with solid electrolytes
    • H01M8/1016Fuel cells with solid electrolytes characterised by the electrolyte material
    • H01M8/1018Polymeric electrolyte materials
    • H01M8/1039Polymeric electrolyte materials halogenated, e.g. sulfonated polyvinylidene fluorides
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/10Fuel cells with solid electrolytes
    • H01M8/1016Fuel cells with solid electrolytes characterised by the electrolyte material
    • H01M8/1018Polymeric electrolyte materials
    • H01M8/1041Polymer electrolyte composites, mixtures or blends
    • H01M8/1046Mixtures of at least one polymer and at least one additive
    • H01M8/1051Non-ion-conducting additives, e.g. stabilisers, SiO2 or ZrO2
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/10Fuel cells with solid electrolytes
    • H01M8/1016Fuel cells with solid electrolytes characterised by the electrolyte material
    • H01M8/1018Polymeric electrolyte materials
    • H01M8/1041Polymer electrolyte composites, mixtures or blends
    • H01M8/1053Polymer electrolyte composites, mixtures or blends consisting of layers of polymers with at least one layer being ionically conductive
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/10Fuel cells with solid electrolytes
    • H01M8/1016Fuel cells with solid electrolytes characterised by the electrolyte material
    • H01M8/1018Polymeric electrolyte materials
    • H01M8/1058Polymeric electrolyte materials characterised by a porous support having no ion-conducting properties
    • H01M8/106Polymeric electrolyte materials characterised by a porous support having no ion-conducting properties characterised by the chemical composition of the porous support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/10Fuel cells with solid electrolytes
    • H01M8/1016Fuel cells with solid electrolytes characterised by the electrolyte material
    • H01M8/1018Polymeric electrolyte materials
    • H01M8/1069Polymeric electrolyte materials characterised by the manufacturing processes
    • H01M8/1081Polymeric electrolyte materials characterised by the manufacturing processes starting from solutions, dispersions or slurries exclusively of polymers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/10Fuel cells with solid electrolytes
    • H01M2008/1095Fuel cells with polymeric electrolytes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00Electrolytes
    • H01M2300/0017Non-aqueous electrolytes
    • H01M2300/0065Solid electrolytes
    • H01M2300/0082Organic polymers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00Electrolytes
    • H01M2300/0088Composites
    • H01M2300/0091Composites in the form of mixtures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00Electrolytes
    • H01M2300/0088Composites
    • H01M2300/0094Composites in the form of layered products, e.g. coatings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/10Fuel cells with solid electrolytes
    • H01M8/1004Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Dispersion Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Fuel Cell (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Conductive Materials (AREA)
  • Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Inert Electrodes (AREA)
KR1020057002782A 2002-08-21 2003-06-26 다층 양자 교환막 및 막 전극 조립체 제조방법 Withdrawn KR20050058359A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/224,848 US20040036394A1 (en) 2002-08-21 2002-08-21 Process for preparing multi-layer proton exchange membranes and membrane electrode assemblies
US10/224,848 2002-08-21

Publications (1)

Publication Number Publication Date
KR20050058359A true KR20050058359A (ko) 2005-06-16

Family

ID=31886891

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020057002782A Withdrawn KR20050058359A (ko) 2002-08-21 2003-06-26 다층 양자 교환막 및 막 전극 조립체 제조방법

Country Status (8)

Country Link
US (2) US20040036394A1 (enExample)
EP (1) EP1534770B1 (enExample)
JP (2) JP2005536602A (enExample)
KR (1) KR20050058359A (enExample)
CN (1) CN100360593C (enExample)
AU (1) AU2003251626A1 (enExample)
CA (1) CA2494711A1 (enExample)
WO (1) WO2004018549A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025105623A1 (ko) * 2023-11-15 2025-05-22 한국기술교육대학교 산학협력단 갠트리 슬롯다이 코터를 이용한 강화복합막의 제조방법, 강화복합막 및 이를 포함하는 연료전지

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6861115B2 (en) * 2001-05-18 2005-03-01 Cabot Corporation Ink jet recording medium comprising amine-treated silica
WO2006100982A1 (ja) * 2005-03-18 2006-09-28 Nippon Shokubai Co., Ltd. 燃料電池用電極触媒
US8652705B2 (en) 2005-09-26 2014-02-18 W.L. Gore & Associates, Inc. Solid polymer electrolyte and process for making same
US20070128425A1 (en) * 2005-12-07 2007-06-07 3M Innovative Properties Company Reinforced ion-conductive membranes
US7785435B2 (en) * 2006-02-27 2010-08-31 Gm Global Technology Operations, Inc. Method of laminating a decal to a carrier film
US20070275291A1 (en) * 2006-05-10 2007-11-29 Horizon Fuel Cell Technologies Pte. Ltd Novel membrane electrode assembly and its manufacturing process
WO2011156934A1 (zh) * 2010-06-18 2011-12-22 山东东岳神舟新材料有限公司 一种质子交换膜及其制备方法和应用
CN103547915B (zh) * 2011-06-08 2015-11-25 3M创新有限公司 湿度传感器及其传感器元件
GB201118288D0 (en) * 2011-10-24 2011-12-07 Johnson Matthey Plc Ion-conducting membrane
EP2774203B8 (en) * 2011-11-04 2016-06-01 Greenerity GmbH Method for the preparation of catalyst-coated membranes
EP2692420A1 (en) * 2012-08-01 2014-02-05 Solvay Sa Process for the manufacture of membranes for the purification of hydrogen
US10734660B2 (en) 2016-03-10 2020-08-04 Nissan North America, Inc. Functionalized carbon layer for membrane degradation mitigation under fuel cell operating conditions
EP3229303B1 (en) * 2016-04-06 2019-07-31 Greenerity GmbH Method and device for preparing a catalyst coated membrane
JP6792067B2 (ja) * 2016-12-29 2020-11-25 コーロン インダストリーズ インク 膜−電極アセンブリー、その製造方法、そして、これを含む燃料電池
CN109326808A (zh) * 2018-09-20 2019-02-12 宝应县润华静电涂装工程有限公司 一种能防止质子交换膜表面起皱的薄膜
CN112495198A (zh) * 2019-09-12 2021-03-16 白银图微新材料科技有限公司 聚硫酸(氨)酯聚合物制备膜技术与应用
CN117818057B (zh) * 2024-03-06 2024-05-31 北京新研创能科技有限公司 一种用于燃料电池的质子交换膜制造方法及系统

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5392394A (en) * 1976-12-24 1978-08-14 Asahi Chem Ind Co Ltd Membrance of multi-layer structure and production thereof
JPS58199884A (ja) * 1982-05-18 1983-11-21 Asahi Glass Co Ltd 改良された電解用陽イオン交換膜
JPS60243129A (ja) * 1984-05-18 1985-12-03 Asahi Glass Co Ltd フツ素樹脂陽イオン交換膜
JPS60251290A (ja) * 1984-05-29 1985-12-11 Asahi Glass Co Ltd 水酸化カリウムの製造方法
BR9000773A (pt) * 1989-02-28 1991-01-22 Du Pont Processo para a fabricacao de uma membrana de troca de catio; processo para a fabricacao de um tecido revestido; processo para a fabricacao de um fio revestido; membrana de troca de cation; processo aperfeicoado para a eletrolise de um haleto de metal alcalino; tecido de troca de cation e fio de troca de cation
JPH04136196A (ja) * 1990-09-27 1992-05-11 Asahi Glass Co Ltd 電解用含フッ素陽イオン交換膜及びこれを用いた水酸化アルカリの製造方法
US5211984A (en) * 1991-02-19 1993-05-18 The Regents Of The University Of California Membrane catalyst layer for fuel cells
US5234777A (en) * 1991-02-19 1993-08-10 The Regents Of The University Of California Membrane catalyst layer for fuel cells
US5272017A (en) * 1992-04-03 1993-12-21 General Motors Corporation Membrane-electrode assemblies for electrochemical cells
JP3382654B2 (ja) * 1993-02-03 2003-03-04 旭硝子株式会社 固体高分子電解質型燃料電池
JPH06251792A (ja) * 1993-02-24 1994-09-09 Tonen Corp 固体高分子電解質型燃料電池
US5834523A (en) * 1993-09-21 1998-11-10 Ballard Power Systems, Inc. Substituted α,β,β-trifluorostyrene-based composite membranes
JPH07176317A (ja) * 1993-12-20 1995-07-14 Sanyo Electric Co Ltd 電極/イオン交換薄膜接合体の製造方法、及び電極/イオン交換薄膜/電極接合体の製造方法
US5654109A (en) * 1995-06-30 1997-08-05 The Dow Chemical Company Composite fuel cell membranes
US5672438A (en) * 1995-10-10 1997-09-30 E. I. Du Pont De Nemours And Company Membrane and electrode assembly employing exclusion membrane for direct methanol fuel cell
WO1997041168A1 (en) * 1996-04-30 1997-11-06 W.L. Gore & Associates, Inc. Integral multi-layered ion-exchange composite membranes
JPH1092444A (ja) * 1996-09-13 1998-04-10 Japan Gore Tex Inc 電気化学反応装置用固体高分子電解質複合体及びそれを用いた電気化学反応装置
US5981097A (en) * 1996-12-23 1999-11-09 E.I. Du Pont De Nemours And Company Multiple layer membranes for fuel cells employing direct feed fuels
CA2300934C (en) * 1997-08-29 2008-08-26 Foster-Miller, Inc. Composite solid polymer electrolyte membranes
JPH11302410A (ja) * 1998-04-24 1999-11-02 Nissan Motor Co Ltd イオン交換膜およびその製造方法
US6238534B1 (en) * 1999-05-14 2001-05-29 3M Innovative Properties Company Hybrid membrane electrode assembly
US6277512B1 (en) * 1999-06-18 2001-08-21 3M Innovative Properties Company Polymer electrolyte membranes from mixed dispersions
US6641862B1 (en) * 1999-09-24 2003-11-04 Ion Power, Inc. Preparation of fuel cell electrode assemblies
JP2001243964A (ja) * 2000-02-28 2001-09-07 Asahi Glass Co Ltd 固体高分子電解質型燃料電池
FR2805927B1 (fr) * 2000-03-03 2002-04-12 Commissariat Energie Atomique Procede de preparation d'assemblages electrodes-membrane-et electrode-membraneelectrode, assemblage ainsi obtenus, et dispositif de pile combustible comprenant ces assemblages
JP2002025583A (ja) * 2000-04-18 2002-01-25 Asahi Glass Co Ltd 固体高分子型燃料電池用電解質膜及びその製造方法
JP4440424B2 (ja) * 2000-05-08 2010-03-24 クレハエラストマー株式会社 電池用膜状部材の製造法
WO2002005372A1 (en) * 2000-07-06 2002-01-17 Matsushita Electric Industrial Co., Ltd. Method for producing electrolyte film-electrode joint
US20020127474A1 (en) * 2001-01-09 2002-09-12 E.C.R.-Electro-Chemical Research Ltd. Proton-selective conducting membranes
USRE41651E1 (en) * 2001-01-19 2010-09-07 Panasonic Corporation Method for manufacturing fuel cell electrolyte film-electrode bond
CN1227761C (zh) * 2001-07-13 2005-11-16 上海神力科技有限公司 一种具有高功率密度的质子交换膜燃料电池

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025105623A1 (ko) * 2023-11-15 2025-05-22 한국기술교육대학교 산학협력단 갠트리 슬롯다이 코터를 이용한 강화복합막의 제조방법, 강화복합막 및 이를 포함하는 연료전지

Also Published As

Publication number Publication date
US20040036394A1 (en) 2004-02-26
WO2004018549A1 (en) 2004-03-04
EP1534770B1 (en) 2013-02-27
CN1675292A (zh) 2005-09-28
JP2010045041A (ja) 2010-02-25
AU2003251626A1 (en) 2004-03-11
CA2494711A1 (en) 2004-03-04
CN100360593C (zh) 2008-01-09
EP1534770A1 (en) 2005-06-01
JP2005536602A (ja) 2005-12-02
JP5363258B2 (ja) 2013-12-11
US20150299878A1 (en) 2015-10-22

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Patent event date: 20050218

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid