ES2114005T3 - Montajes de electrodos. - Google Patents

Montajes de electrodos.

Info

Publication number
ES2114005T3
ES2114005T3 ES93304687T ES93304687T ES2114005T3 ES 2114005 T3 ES2114005 T3 ES 2114005T3 ES 93304687 T ES93304687 T ES 93304687T ES 93304687 T ES93304687 T ES 93304687T ES 2114005 T3 ES2114005 T3 ES 2114005T3
Authority
ES
Spain
Prior art keywords
electrode
precious metal
particulate carbon
electrode assembly
membrane electrode
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.)
Expired - Lifetime
Application number
ES93304687T
Other languages
English (en)
Inventor
Graham Alan Hards
Thomas Robertson Ralph
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.)
Johnson Matthey PLC
Original Assignee
Johnson Matthey PLC
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
Application filed by Johnson Matthey PLC filed Critical Johnson Matthey PLC
Application granted granted Critical
Publication of ES2114005T3 publication Critical patent/ES2114005T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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]
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88Processes of manufacture
    • H01M4/8825Methods for deposition of the catalytic active composition
    • H01M4/8828Coating with slurry or ink
    • H01M4/8835Screen printing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88Processes of manufacture
    • H01M4/8825Methods for deposition of the catalytic active composition
    • H01M4/8828Coating with slurry or ink
    • H01M4/8839Painting
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88Processes of manufacture
    • H01M4/8825Methods for deposition of the catalytic active composition
    • H01M4/8846Impregnation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88Processes of manufacture
    • H01M4/8878Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body
    • H01M4/8882Heat treatment, e.g. drying, baking
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88Processes of manufacture
    • H01M4/8878Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body
    • H01M4/8892Impregnation or coating of the catalyst layer, e.g. by an ionomer
    • 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

Abstract

UN ELECTRODO POROSO ADECUADO PARA UTILIZARLO EN UN DISPOSITIVO DE MEMBRANA DE ELECTRODO PARA PILAS COMBUSTIBLES DE POLIMEROS SOLIDOS QUE CONTIENE UN CATALIZADOR DE METAL PRECIOSO MUY DISPERSO SOBRE UN CARBON EN PARTICULAS IMPREGNADO CON UN POLIMERO CONDUCTOR DE PROTONES Y UN COMPONENTE MAS QUE CONTIENE UN POLIMERO HIDROFOBICO Y UNA DISPERSION DE CARBON EN PARTICULAS, SIENDO LA CARGA DEL METAL PRECIOSO DE 1,0 MG/CM2 DE AREA DE ELECTRODO GEOMETRICA. DICHO ELECTRODO MUESTRA UN AREA SUPERFICIAL DE PLATINO MUY EFECTIVA Y UNA SALIDA DE DENSIDAD DE POTENCIA CUANDO SE FABRICA A MODO DE DISPOSITIVO DE ELECTRODO DE MEMBRANA.
ES93304687T 1992-06-20 1993-06-16 Montajes de electrodos. Expired - Lifetime ES2114005T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB929213124A GB9213124D0 (en) 1992-06-20 1992-06-20 High performance electrode

Publications (1)

Publication Number Publication Date
ES2114005T3 true ES2114005T3 (es) 1998-05-16

Family

ID=10717443

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93304687T Expired - Lifetime ES2114005T3 (es) 1992-06-20 1993-06-16 Montajes de electrodos.

Country Status (10)

Country Link
US (1) US5501915A (es)
EP (1) EP0577291B1 (es)
JP (1) JP3211997B2 (es)
AT (1) ATE164705T1 (es)
AU (1) AU664620B2 (es)
CA (1) CA2098800C (es)
DE (1) DE69317700T2 (es)
DK (1) DK0577291T3 (es)
ES (1) ES2114005T3 (es)
GB (1) GB9213124D0 (es)

Families Citing this family (78)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3422377B2 (ja) * 1993-08-06 2003-06-30 松下電器産業株式会社 固体高分子型燃料電池の製造方法及びこれにより得られる固体高分子型燃料電池
WO1995015016A1 (en) * 1993-11-29 1995-06-01 International Fuel Cells Corporation Cell/membrane and electrode assembly for electrochemical cells
JP3712768B2 (ja) * 1995-01-26 2005-11-02 松下電器産業株式会社 固体高分子型燃料電池の製造法
GB9504713D0 (en) * 1995-03-09 1995-04-26 Johnson Matthey Plc Improved electrocatalytic material
US5702755A (en) * 1995-11-06 1997-12-30 The Dow Chemical Company Process for preparing a membrane/electrode assembly
KR19990064016A (ko) * 1995-10-06 1999-07-26 그레이스 스티븐 에스. 연료 전지의 막 전극 조립체용 유동 장 구조물
US6312845B1 (en) 1995-10-06 2001-11-06 The Dow Chemical Company Macroporous flow field assembly
US6183898B1 (en) 1995-11-28 2001-02-06 Hoescht Research & Technology Deutschland Gmbh & Co. Kg Gas diffusion electrode for polymer electrolyte membrane fuel cells
DE19544323A1 (de) * 1995-11-28 1997-06-05 Magnet Motor Gmbh Gasdiffusionselektrode für Polymerelektrolytmembran-Brennstoffzellen
US5672439A (en) * 1995-12-18 1997-09-30 Ballard Power Systems, Inc. Method and apparatus for reducing reactant crossover in an electrochemical fuel cell
US5882810A (en) * 1996-03-08 1999-03-16 The Dow Chemicalcompany Active layer for membrane electrode assembly
US6338809B1 (en) * 1997-02-24 2002-01-15 Superior Micropowders Llc Aerosol method and apparatus, particulate products, and electronic devices made therefrom
US6660680B1 (en) 1997-02-24 2003-12-09 Superior Micropowders, Llc Electrocatalyst powders, methods for producing powders and devices fabricated from same
US6780350B1 (en) 1997-02-24 2004-08-24 Superior Micropowders Llc Metal-carbon composite powders, methods for producing powders and devices fabricated from same
US6103393A (en) * 1998-02-24 2000-08-15 Superior Micropowders Llc Metal-carbon composite powders, methods for producing powders and devices fabricated from same
JP3773325B2 (ja) * 1997-03-17 2006-05-10 ジャパンゴアテックス株式会社 高分子固体電解質燃料電池用ガス拡散層材料及びその接合体
US5910378A (en) * 1997-10-10 1999-06-08 Minnesota Mining And Manufacturing Company Membrane electrode assemblies
JP3929146B2 (ja) * 1997-11-07 2007-06-13 松下電器産業株式会社 固体高分子型燃料電池システム
US6967183B2 (en) 1998-08-27 2005-11-22 Cabot Corporation Electrocatalyst powders, methods for producing powders and devices fabricated from same
US6911412B2 (en) 1998-02-24 2005-06-28 Cabot Corporation Composite particles for electrocatalytic applications
US7150920B2 (en) * 1998-02-24 2006-12-19 Cabot Corporation Metal-carbon composite powders
US6753108B1 (en) 1998-02-24 2004-06-22 Superior Micropowders, Llc Energy devices and methods for the fabrication of energy devices
US6074773A (en) 1998-03-06 2000-06-13 Ballard Power Systems Inc. Impregnation of microporous electrocatalyst particles for improving performance in an electrochemical fuel cell
US6548202B2 (en) 1998-03-06 2003-04-15 Ballard Power System, Inc. Carbon-supported catalysts for fuel cells
DE19812592B4 (de) * 1998-03-23 2004-05-13 Umicore Ag & Co.Kg Membran-Elektroden-Einheit für Polymer-Elektrolyt-Brennstoffzellen, Verfahren zu ihrer Herstellung sowie Tinte
CA2269643C (en) * 1998-04-23 2009-02-17 N.E. Chemcat Corporation Electrocatalyst, and electrodes, membrane-electrode assembly and solid polymer electrolyte fuel cells, using said electrocatalyst
US7255954B2 (en) * 1998-08-27 2007-08-14 Cabot Corporation Energy devices
US7098163B2 (en) * 1998-08-27 2006-08-29 Cabot Corporation Method of producing membrane electrode assemblies for use in proton exchange membrane and direct methanol fuel cells
WO2000029643A1 (fr) * 1998-11-12 2000-05-25 Toagosei Co., Ltd. Materiau d'electrode de diffusion gazeuse, procede de production de ce materiau et procede de production d'une electrode de diffusion gazeuse
FR2788630B1 (fr) * 1999-01-14 2001-08-03 Sorapec Structure pour couche active d'electrodes de piles a combustible a electrolyte solide polymere
US6403245B1 (en) * 1999-05-21 2002-06-11 Microcoating Technologies, Inc. Materials and processes for providing fuel cells and active membranes
WO2001018894A2 (en) * 1999-09-09 2001-03-15 Danish Power Systems Aps Polymer electrolyte membrane fuel cells
KR100437293B1 (ko) * 1999-09-21 2004-06-25 마쯔시다덴기산교 가부시키가이샤 고분자 전해질형 연료전지 및 그 제조방법
DE10085305T1 (de) * 1999-12-17 2002-11-21 Int Fuel Cells Llc Brennstoffzelle mit einer hydrophilen Substratschicht
US6780533B2 (en) 1999-12-17 2004-08-24 Utc Fuel Cells, Llc Fuel cell having interdigitated flow channels and water transport plates
JP2001216991A (ja) 2000-02-02 2001-08-10 Toyota Motor Corp 燃料電池性能評価装置およびその評価方法、燃料電池用電極触媒の比表面積評価装置およびその評価方法、並びに燃料電池用電極触媒およびその製造方法
US6602630B1 (en) 2000-03-14 2003-08-05 The Electrosynthesis Company, Inc. Membrane electrode assemblies for electrochemical cells
US7507687B2 (en) * 2000-03-22 2009-03-24 Cabot Corporation Electrocatalyst powders, methods for producing powder and devices fabricated from same
WO2001094450A2 (en) * 2000-06-02 2001-12-13 Sri International Polymer membrane composition
FR2810794A1 (fr) * 2000-06-26 2001-12-28 Sorapec Association d'electrodes et de membrane comportant des conducteurs protoniques
DE10037072A1 (de) * 2000-07-29 2002-02-14 Omg Ag & Co Kg Membran-Elektrodeneinheit für Polymerelektrolyt-Brennstoffzellen und Verfahren zu ihrer Herstellung
JP2004536419A (ja) * 2000-11-30 2004-12-02 エムティーアイ・マイクロフューエル・セルズ・インコーポレイテッド 燃料電池膜および一体化されたガス分離を有するシステム
US7541308B2 (en) * 2001-04-11 2009-06-02 Cabot Corporation Fuel cells and other products containing modified carbon products
DE60227510D1 (de) * 2001-06-01 2008-08-21 Polyfuel Inc Austauschbare Brennstoffpatrone, Brennstoffzellenaggregat mit besagter Brennstoffpatrone für tragbare elektronische Geräte und entsprechendes Gerät
US7316855B2 (en) * 2001-06-01 2008-01-08 Polyfuel, Inc. Fuel cell assembly for portable electronic device and interface, control, and regulator circuit for fuel cell powered electronic device
US6921593B2 (en) * 2001-09-28 2005-07-26 Hewlett-Packard Development Company, L.P. Fuel additives for fuel cell
US6465041B1 (en) * 2001-12-19 2002-10-15 3M Innovative Properties Company Method of making gas diffusion layers for electrochemical cells
KR100436712B1 (ko) * 2001-12-19 2004-06-22 삼성에스디아이 주식회사 캐소드 전극, 그 제조방법 및 이를 채용한 리튬 전지
GB0200253D0 (en) * 2002-01-08 2002-02-20 Johnson Matthey Plc Improved material for electrode manufacture
US6730424B1 (en) 2002-03-14 2004-05-04 H Power Corporation Electrochemical method to improve the performance of H2/air PEM fuel cells and direct methanol fuel cells
DE10211177A1 (de) * 2002-03-14 2003-10-02 Daimler Chrysler Ag Membran-Elektroden-Einheit
JP2003317729A (ja) * 2002-04-26 2003-11-07 Ube Ind Ltd 多孔質黒鉛フィルムを用いた燃料電池用電極、膜−電極接合体及び燃料電池
GB0212636D0 (en) * 2002-05-31 2002-07-10 Johnson Matthey Plc Electrode
JP4266624B2 (ja) * 2002-12-02 2009-05-20 三洋電機株式会社 燃料電池用電極および燃料電池
US20040146769A1 (en) * 2002-12-02 2004-07-29 Michael Birschbach Fuel cell cartridge for portable electronic device
WO2004061163A1 (en) * 2002-12-31 2004-07-22 Northern Illinois University Metal-coated carbon surfaces for use in fuel cells
US20060269826A1 (en) * 2003-03-03 2006-11-30 Eugenii Katz Novel electrode with switchable and tunable power output and fuel cell using such electrode
US7396611B2 (en) * 2003-12-15 2008-07-08 Plug Power Inc. Fuel cell catalyst layer
US7291419B2 (en) 2004-01-22 2007-11-06 General Motors Corporation Durable membrane electrode assembly catalyst coated diffusion media with no lamination to membrane
US8227117B2 (en) * 2004-03-15 2012-07-24 Cabot Corporation Modified carbon products, their use in electrocatalysts and electrode layers and similar devices and methods relating to the same
KR100953545B1 (ko) * 2004-03-23 2010-04-21 삼성에스디아이 주식회사 담지촉매 및 그 제조 방법
DE102004035309A1 (de) * 2004-07-21 2006-02-16 Pemeas Gmbh Membran-Elektrodeneinheiten und Brennstoffzellen mit erhöhter Lebensdauer
US7816007B2 (en) * 2004-10-28 2010-10-19 Mitsubishi Chemical Corporation Spherical carbon particles and their aggregates
JP2006164790A (ja) * 2004-12-08 2006-06-22 Nissan Motor Co Ltd 燃料電池用触媒層の形成装置及び燃料電池用触媒層の形成方法
US20060237034A1 (en) * 2005-04-20 2006-10-26 Lawrence Shore Process for recycling components of a PEM fuel cell membrane electrode assembly
WO2006138282A2 (en) * 2005-06-13 2006-12-28 Enerage, Inc. Supported metal electrocatalyst materials and the method for forming the same
US20070160899A1 (en) * 2006-01-10 2007-07-12 Cabot Corporation Alloy catalyst compositions and processes for making and using same
WO2007126153A1 (ja) * 2006-04-27 2007-11-08 University Of Yamanashi ガス拡散電極の製造方法、及びガス拡散電極、並びにそれを備えた膜電極接合体
US8124261B2 (en) * 2006-06-20 2012-02-28 Basf Corporation Process for recycling components of a PEM fuel cell membrane electrode assembly
US20090215615A1 (en) * 2006-07-11 2009-08-27 3M Innovative Properties Company Method of forming supported nanoparticle catalysts
CN100527494C (zh) * 2006-09-15 2009-08-12 新源动力股份有限公司 低温燃料电池电极用ptfe/c复合粉体及应用
WO2008138396A1 (en) * 2007-05-15 2008-11-20 Acta S.P.A. Vapor fed direct hydrocarbon alkaline fuel cells
US20110117454A1 (en) * 2008-02-08 2011-05-19 Monash University Electrode for electrochemical cells
US8206569B2 (en) 2009-02-04 2012-06-26 Applied Materials, Inc. Porous three dimensional copper, tin, copper-tin, copper-tin-cobalt, and copper-tin-cobalt-titanium electrodes for batteries and ultra capacitors
US20100203391A1 (en) * 2009-02-09 2010-08-12 Applied Materials, Inc. Mesoporous carbon material for energy storage
DE102010029946A1 (de) * 2009-06-10 2011-01-05 Wieland Kg Verbesserte Brennstoffzellen-Elektrode und Brennstoffzelle
US20140356761A1 (en) 2011-08-11 2014-12-04 Amalyst Limited Catalysts
GB201121898D0 (en) 2011-12-20 2012-02-01 Ucl Business Plc Fuel cell

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2404312A1 (fr) * 1977-09-27 1979-04-20 Anvar Electrode a gaz pour pile a combustible
EP0241432B1 (en) * 1986-03-07 1993-08-11 Tanaka Kikinzoku Kogyo K.K. Gas permeable electrode
US4816431A (en) * 1986-04-03 1989-03-28 Nagakazu Furuya Process for preparing materials for reaction layer of gas permeable electrode
US4876115A (en) * 1987-01-30 1989-10-24 United States Department Of Energy Electrode assembly for use in a solid polymer electrolyte fuel cell
US4975172A (en) * 1987-03-02 1990-12-04 Westinghouse Electric Corp. Ionomeric polymers with ionomer membrane in pressure tolerant gas diffusion electrodes
US4877694A (en) * 1987-05-18 1989-10-31 Eltech Systems Corporation Gas diffusion electrode
US4804592A (en) * 1987-10-16 1989-02-14 The United States Of America As Represented By The United States Department Of Energy Composite electrode for use in electrochemical cells
US5084144A (en) * 1990-07-31 1992-01-28 Physical Sciences Inc. High utilization supported catalytic metal-containing gas-diffusion electrode, process for making it, and cells utilizing it
JPH04162365A (ja) * 1990-10-25 1992-06-05 Tanaka Kikinzoku Kogyo Kk 燃料電池用電極の作製法

Also Published As

Publication number Publication date
AU4137293A (en) 1993-12-23
AU664620B2 (en) 1995-11-23
JP3211997B2 (ja) 2001-09-25
DK0577291T3 (da) 1999-02-01
ATE164705T1 (de) 1998-04-15
JPH0652862A (ja) 1994-02-25
CA2098800A1 (en) 1993-12-21
GB9213124D0 (en) 1992-08-05
EP0577291B1 (en) 1998-04-01
EP0577291A1 (en) 1994-01-05
DE69317700T2 (de) 1998-08-20
US5501915A (en) 1996-03-26
DE69317700D1 (de) 1998-05-07
CA2098800C (en) 2004-01-13

Similar Documents

Publication Publication Date Title
ES2114005T3 (es) Montajes de electrodos.
DE69207637T2 (de) Luftelektrode und damit ausgerüstete Festelektrolyt-Brennstoffzelle
WO2000041251A3 (fr) Electrode a diffusion gazeuse et application aux processus electrochimiques catalyses
ES2157401T3 (es) Materiales para su uso en la fabricacion de electrodos cataliticos.
DE3177176D1 (de) Brennstoffzelle.
AU7034398A (en) Fuel cell with pulsed anode potential
EP1096586A3 (en) Manufacture of electrodes
AU5542094A (en) Bifunctional airelectrode
CA2167873A1 (en) Method for Manufacturing Solid Polymer Electrolyte Fuel Cell
DE69131934D1 (de) Katalysatormaterial
BR0004573A (pt) Eletrocatalisador para células de combustìvel
CA2046226A1 (en) Solid oxide fuel cell and porous electrode for use in the same
CA2259836A1 (en) Catalysts for gas diffusion electrodes
AU6071098A (en) Gas-diffusion electrodes for polymeric membrane fuel cell
CA2081063A1 (en) Method of making membrane-electrode assemblies for electrochemical cells and assemblies made thereby
ATE241858T1 (de) Katalytische luft-kathode für luft-metall- batterien
DE69501681D1 (de) Gasdiffusionselektrode mit Katalysator für/eine elektrochemische Zelle mit Festelektrolyten und Verfahren zur Herstellung einer solchen Elektrode
GB9826940D0 (en) Electrode
CA2139167A1 (en) Electrode Used in Electrochemical Reaction and Fuel Cell Using the Same
DE68926306D1 (de) Elektrokatalysator, verfahren zur herstellung, daraus hergestellte elektroden und deren verwendungsverfahren
JP2001118582A5 (es)
WO2000044055A3 (en) Membrane-electrode assemblies for direct methanol fuel cells
GB9308094D0 (en) Improved catalyst material
CA2181560A1 (en) Electrochemical cell having an electrode containing a carbon fiber paper coated with catalytic metal particles
Hards et al. Porous electrode for electrode assemblies in a fuel cell

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 577291

Country of ref document: ES