IT1293985B1 - Elettrodi a diffusione di gas a base di miscele di poli (vinilidenfluoruro) e carbonio e procedimento per la loro - Google Patents

Elettrodi a diffusione di gas a base di miscele di poli (vinilidenfluoruro) e carbonio e procedimento per la loro

Info

Publication number
IT1293985B1
IT1293985B1 IT97TO000758A ITTO970758A IT1293985B1 IT 1293985 B1 IT1293985 B1 IT 1293985B1 IT 97TO000758 A IT97TO000758 A IT 97TO000758A IT TO970758 A ITTO970758 A IT TO970758A IT 1293985 B1 IT1293985 B1 IT 1293985B1
Authority
IT
Italy
Prior art keywords
vinylidenfluoride
poles
mixtures
procedure
carbon
Prior art date
Application number
IT97TO000758A
Other languages
English (en)
Inventor
Israel Cabasso
Youxin Yuan
Xiao Xu
Original Assignee
Univ New York State Res Found
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 Univ New York State Res Found filed Critical Univ New York State Res Found
Publication of ITTO970758A1 publication Critical patent/ITTO970758A1/it
Application granted granted Critical
Publication of IT1293985B1 publication Critical patent/IT1293985B1/it

Links

Classifications

    • 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
    • H01M4/8803Supports for the deposition of the catalytic active composition
    • H01M4/8807Gas diffusion layers
    • 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
    • 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
    • H01M4/90Selection of catalytic material
    • H01M4/92Metals of platinum group
    • H01M4/925Metals of platinum group supported on carriers, e.g. powder carriers
    • H01M4/926Metals of platinum group supported on carriers, e.g. powder carriers on carbon or graphite
    • 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
    • H01M4/96Carbon-based electrodes
    • 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
    • H01M2300/00Electrolytes
    • H01M2300/0017Non-aqueous electrolytes
    • H01M2300/0065Solid electrolytes
    • H01M2300/0082Organic polymers
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Inert Electrodes (AREA)
  • Fuel Cell (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
IT97TO000758A 1996-08-27 1997-08-26 Elettrodi a diffusione di gas a base di miscele di poli (vinilidenfluoruro) e carbonio e procedimento per la loro IT1293985B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/697,582 US5783325A (en) 1996-08-27 1996-08-27 Gas diffusion electrodes based on poly(vinylidene fluoride) carbon blends

Publications (2)

Publication Number Publication Date
ITTO970758A1 ITTO970758A1 (it) 1999-02-26
IT1293985B1 true IT1293985B1 (it) 1999-03-15

Family

ID=24801692

Family Applications (1)

Application Number Title Priority Date Filing Date
IT97TO000758A IT1293985B1 (it) 1996-08-27 1997-08-26 Elettrodi a diffusione di gas a base di miscele di poli (vinilidenfluoruro) e carbonio e procedimento per la loro

Country Status (10)

Country Link
US (1) US5783325A (it)
JP (1) JPH1092440A (it)
BR (1) BR9704488A (it)
CA (1) CA2213964A1 (it)
DE (1) DE19737390A1 (it)
FR (1) FR2755541A1 (it)
GB (1) GB2316801B (it)
ID (1) ID18125A (it)
IT (1) IT1293985B1 (it)
TW (1) TW398097B (it)

Families Citing this family (85)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1291603B1 (it) * 1997-04-18 1999-01-11 De Nora Spa Elettrodi a diffusione gassosa per cella a combustibile a membrana polimerica
US5879828A (en) * 1997-10-10 1999-03-09 Minnesota Mining And Manufacturing Company Membrane electrode assembly
US6136412A (en) * 1997-10-10 2000-10-24 3M Innovative Properties Company Microtextured catalyst transfer substrate
US6030718A (en) * 1997-11-20 2000-02-29 Avista Corporation Proton exchange membrane fuel cell power system
US6967183B2 (en) 1998-08-27 2005-11-22 Cabot Corporation Electrocatalyst powders, methods for producing powders and devices fabricated from same
US6753108B1 (en) * 1998-02-24 2004-06-22 Superior Micropowders, Llc Energy devices and methods for the fabrication of energy devices
US7255954B2 (en) * 1998-08-27 2007-08-14 Cabot Corporation Energy devices
CA2359869C (en) * 1999-01-22 2007-04-24 California Institute Of Technology Improved membrane electrode assembly for a fuel cell
DE10004955A1 (de) * 1999-02-05 2000-08-17 Japan Storage Battery Co Ltd Elektrode für eine Brennstoffzelle und Verfahren zu ihrer Herstellung
DE19937910A1 (de) * 1999-08-11 2001-03-15 Inst Angewandte Photovoltaik G Elektrode und photoelektrochemische Zelle sowie Verfahren zur Herstellung einer kohlenstoffhaltigen, druckfähigen Paste und einer Elektrode
US6517962B1 (en) * 1999-08-23 2003-02-11 Ballard Power Systems Inc. Fuel cell anode structures for voltage reversal tolerance
EP1229600A4 (en) * 1999-08-27 2006-05-17 Matsushita Electric Ind Co Ltd ELECTROCHEMICAL CELL OF POLYMERIC ELECTROLYTE TYPE
CN1311578C (zh) * 1999-09-21 2007-04-18 松下电器产业株式会社 高分子电解质型燃料电池及其制造方法
JP2001102089A (ja) * 1999-09-29 2001-04-13 Tdk Corp 固体状電解質、電気化学素子、リチウムイオン二次電池および電気二重層キャパシタ
JP2001102059A (ja) * 1999-10-01 2001-04-13 Toshiba Corp 固体高分子型燃料電池システム
US6399202B1 (en) * 1999-10-12 2002-06-04 Cabot Corporation Modified carbon products useful in gas diffusion electrodes
US6280871B1 (en) 1999-10-12 2001-08-28 Cabot Corporation Gas diffusion electrodes containing modified carbon products
JP3357872B2 (ja) * 2000-01-25 2002-12-16 三洋電機株式会社 燃料電池
DK1150369T3 (da) * 2000-04-28 2003-10-13 Omg Ag & Co Kg Gasfordelingsstrukturer og gasdiffusionselektroder til polymerelektrolyt-brændstofceller
US6468682B1 (en) 2000-05-17 2002-10-22 Avista Laboratories, Inc. Ion exchange membrane fuel cell
US6558828B1 (en) 2000-05-26 2003-05-06 Eveready Battery Company, Inc. Zn/air cell performance in extreme humidity by controlling hydrophobic layer porosity
KR100503390B1 (ko) * 2000-08-16 2005-07-21 마쯔시다덴기산교 가부시키가이샤 연료전지
US6667127B2 (en) * 2000-09-15 2003-12-23 Ballard Power Systems Inc. Fluid diffusion layers for fuel cells
CA2357590C (en) * 2000-09-22 2007-02-20 Honda Giken Kogyo Kabushiki Kaisha Solid polymer fuel cell
KR100442819B1 (ko) * 2000-10-25 2004-08-02 삼성전자주식회사 비가습 연료에서 작동가능한 연료전지용 전극/전해질 접합체
US6627035B2 (en) 2001-01-24 2003-09-30 Gas Technology Institute Gas diffusion electrode manufacture and MEA fabrication
WO2002073721A1 (en) * 2001-03-08 2002-09-19 Matsushita Electric Industrial Co., Ltd. Gas diffusion electrode and fuel cell using this
US7541308B2 (en) 2001-04-11 2009-06-02 Cabot Corporation Fuel cells and other products containing modified carbon products
US20030022055A1 (en) * 2001-04-11 2003-01-30 Jameel Menashi Fuel cells and other products containing modified carbon products
AU2002319890A1 (en) * 2001-07-18 2003-03-03 Tel-Aviv University Future Technology Development L.P. Fuel cell with proton conducting membrane and with improved water and fuel management
US6667756B2 (en) * 2001-08-27 2003-12-23 Xerox Corporation Method of shifting an image or paper to reduce show through in duplex printing
US6733915B2 (en) * 2001-12-27 2004-05-11 E. I. Du Pont De Nemours And Company Gas diffusion backing for fuel cells
KR100623257B1 (ko) * 2002-02-14 2006-09-13 히다치 막셀 가부시키가이샤 액체 연료전지
DE10211177A1 (de) * 2002-03-14 2003-10-02 Daimler Chrysler Ag Membran-Elektroden-Einheit
US20030211376A1 (en) * 2002-03-26 2003-11-13 Matsushita Electric Industrial Co., Ltd. Polymer electrolyte fuel cell, method of manufacturing the same and inspection method therefor
US7354679B2 (en) * 2002-05-13 2008-04-08 Polyfuel, Inc. Ion conductive random copolymers
CN100509875C (zh) 2002-05-13 2009-07-08 复合燃料公司 磺化共聚物
EP1518290A4 (en) 2002-05-13 2009-12-02 Polyfuel Inc COPOLYMERES ION CONDUCTIVE BLOCKS
KR100525974B1 (ko) * 2002-08-07 2005-11-03 마쯔시다덴기산교 가부시키가이샤 연료전지
JP3891484B2 (ja) * 2002-09-05 2007-03-14 株式会社ノリタケカンパニーリミテド 電解質膜およびその膜を備えた燃料電池
KR100464322B1 (ko) * 2002-12-30 2005-01-03 삼성에스디아이 주식회사 연료전지용 전극 제조 방법
DE602004010444T2 (de) * 2003-02-20 2008-04-30 Jsr Corp. Elektrodenpastenzusammensetzung
US7070879B2 (en) * 2003-04-10 2006-07-04 Hewlett-Packard Development Company, L.P. Fuel cell or electrodes with passive support
US7374838B2 (en) * 2003-06-10 2008-05-20 Ballard Power Systems Inc. Electrochemical fuel cell with fluid distribution layer having non-uniform permeability
US8765314B2 (en) * 2003-08-25 2014-07-01 Panasonic Corporation Fuel cell system and method for stopping operation of fuel cell system
JP2005150002A (ja) * 2003-11-19 2005-06-09 Konica Minolta Holdings Inc 燃料電池
JP4824298B2 (ja) * 2003-12-04 2011-11-30 パナソニック株式会社 燃料電池用ガス拡散層、電極及び膜電極接合体及びその製造方法
JP2005216511A (ja) * 2004-01-27 2005-08-11 Aisin Seiki Co Ltd 燃料電池用ガス拡散部材の製造方法
JP4759507B2 (ja) * 2004-02-26 2011-08-31 シャープ株式会社 燃料電池用電極触媒,これを用いた燃料電池
JP4984410B2 (ja) * 2004-05-21 2012-07-25 東レ株式会社 固体高分子型燃料電池用電極触媒層および固体高分子型燃料電池用膜電極複合体
CN100340021C (zh) * 2004-06-14 2007-09-26 中国科学院大连化学物理研究所 质子交换膜燃料电池电极及其制备方法
KR100590555B1 (ko) * 2004-07-08 2006-06-19 삼성에스디아이 주식회사 담지 촉매 및 이를 이용한 연료전지
US7229944B2 (en) * 2004-07-23 2007-06-12 Massachusetts Institute Of Technology Fiber structures including catalysts and methods associated with the same
KR100578970B1 (ko) * 2004-08-25 2006-05-12 삼성에스디아이 주식회사 연료 전지용 전극 및 이를 포함하는 연료 전지
JP2007095541A (ja) * 2005-09-29 2007-04-12 Toshiba Corp 燃料電池
US20070087120A1 (en) * 2005-10-18 2007-04-19 Connors Donald F Jr Fluid diffusion layers
KR100728181B1 (ko) * 2005-11-30 2007-06-13 삼성에스디아이 주식회사 연료전지용 막-전극 어셈블리 및 이를 포함하는 연료전지시스템
US20070141446A1 (en) * 2005-12-15 2007-06-21 Hollingsworth & Vose Company Fuel cell gas diffusion articles
JP2007214019A (ja) * 2006-02-10 2007-08-23 Aisin Seiki Co Ltd 燃料電池用膜電極接合体および燃料電池用ガス拡散層
DE102006009567B3 (de) * 2006-02-28 2007-06-06 Daimlerchrysler Ag Verfahren zur Herstellung einer Elektrode
WO2007116924A1 (ja) * 2006-03-29 2007-10-18 Cataler Corporation 燃料電池用導電性カーボン担体、燃料電池用電極触媒、及びこれを備えた固体高分子型燃料電池
JP5285225B2 (ja) * 2006-03-31 2013-09-11 三菱重工業株式会社 固体高分子電解質膜電極接合体の製造方法
US20080057380A1 (en) * 2006-09-06 2008-03-06 Dabel Jeremy W Membrane electrode assembly fabrication
JP2008192337A (ja) * 2007-02-01 2008-08-21 Mitsubishi Heavy Ind Ltd 固体高分子電解質膜電極接合体及びその製造方法
DE102007028007A1 (de) * 2007-06-14 2008-12-24 BLüCHER GMBH Brennstoffzelle mit Katalysator und deren Verwendung
TWI398982B (zh) * 2007-08-15 2013-06-11 Univ Feng Chia 經改質碳化基材及其製備方法與用途
EP2238640A2 (en) * 2008-01-03 2010-10-13 UTC Power Corporation Protective and precipitation layers for pem fuel cell
TWI407623B (zh) * 2008-07-11 2013-09-01 Hon Hai Prec Ind Co Ltd 燃料電池組
WO2010033111A1 (en) * 2008-09-17 2010-03-25 Utc Power Corporation Fuel cell catalyst support with fluoride-doped metal oxides/phosphates and method of manufacturing same
WO2010033121A1 (en) * 2008-09-19 2010-03-25 Utc Power Corporation Fuel cell catalyst support with boron carbide-coated metal oxides/phosphates and method of manufacturing same
WO2010051637A1 (en) * 2008-11-07 2010-05-14 National Research Council Of Canada Catalytic materials for fuel cell electrodes and method for their production
WO2010093354A1 (en) 2009-02-10 2010-08-19 Utc Power Corporation Fuel cell catalyst with metal oxide/phosphate support structure and method of manufacturing same
JP4819981B2 (ja) * 2009-05-01 2011-11-24 日産自動車株式会社 燃料電池用ガス拡散層
MX2012007565A (es) * 2009-12-28 2012-11-29 Bic Soc Capas para mejorar el rendimiento de celdas de combustible.
WO2012001061A1 (en) 2010-06-29 2012-01-05 Vito Nv Gas diffusion electrode, method of producing same, membrane electrode assembly comprising same and method of producing membrane electrode assembly comprising same
US8940460B2 (en) 2011-02-14 2015-01-27 Nissan North America, Inc. Catalyst ink preparation for fuel cell electrode fabrication
JP5530954B2 (ja) * 2011-02-21 2014-06-25 株式会社日本自動車部品総合研究所 燃料電池
TWI568888B (zh) * 2011-09-15 2017-02-01 第諾拉工業公司 氣體擴散電極及其製法和電化電解池
EP2831312B1 (en) * 2012-03-28 2019-11-06 Agfa-Gevaert N.V. Assembly of a porous metal diffusion substrate and a polymeric separator membrane
EP2860288A1 (en) * 2013-10-11 2015-04-15 Solvay SA Improved electrolytic cell
EP3355395A4 (en) 2015-09-24 2019-05-01 Kolon Industries, Inc. MEMBRANE ELECTRODE ARRANGEMENT FOR FUEL CELL, METHOD FOR THE MANUFACTURE THEREOF AND FUEL CELL SYSTEM THEREWITH
RU2696479C1 (ru) * 2018-10-08 2019-08-02 Федеральное государственное бюджетное образовательное учреждение высшего образования "Московский авиационный институт (национальный исследовательский университет)" Способ изготовления электродов химического источника тока
FR3097689B1 (fr) * 2019-06-19 2021-06-25 Commissariat Energie Atomique Procédé de formation d’une couche microporeuse électroconductrice hydrophobe utile à titre de couche de diffusion de gaz
DE102019210637A1 (de) 2019-07-18 2021-01-21 Robert Bosch Gmbh Gasdiffusionslage, Brennstoffzelle mit Gasdiffusionslage sowie Brennstoffzellenstack mit Brennstoffzelle
CN114551919B (zh) * 2022-01-24 2023-12-19 东风汽车集团股份有限公司 一种水凝胶、微孔层浆料和气体扩散层及其制备方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB667298A (en) * 1949-06-08 1952-02-27 British Electrical & Allied In Improvements relating to galvanic cells and batteries
US3671317A (en) * 1970-02-10 1972-06-20 United Aircraft Corp Method of making fuel cell electrodes
US3899354A (en) * 1973-09-10 1975-08-12 Union Carbide Corp Gas electrodes and a process for producing them
US3912538A (en) * 1974-01-15 1975-10-14 United Technologies Corp Novel composite fuel cell electrode
US4629563B1 (en) * 1980-03-14 1997-06-03 Memtec North America Asymmetric membranes
US4440617A (en) * 1980-10-31 1984-04-03 Diamond Shamrock Corporation Non-bleeding electrode
US4401519A (en) * 1981-02-25 1983-08-30 Olin Corporation Method for producing reticulate electrode for electrolytic cells
US4461814A (en) * 1982-02-08 1984-07-24 Gte Laboratories Incorporated Electrochemical cell
US4444852A (en) * 1982-08-27 1984-04-24 The United States Of America As Represented By The United States Department Of Energy Size and weight graded multi-ply laminar electrodes
US4847173A (en) * 1987-01-21 1989-07-11 Mitsubishi Denki Kabushiki Kaisha Electrode for fuel cell
US4826742A (en) * 1988-01-21 1989-05-02 International Fuel Cells Corporation Water and heat management in solid polymer fuel cell stack
IL109497A (en) * 1993-05-05 1998-02-22 Hyperion Catalysis Int Three-dimensional macroscopic clusters of randomly arranged charcoal fibrils and products containing these
US5514461A (en) * 1993-10-05 1996-05-07 Kureha Chemical Industry Co., Ltd. Vinylidene fluoride porous membrane and method of preparing the same
US5547911A (en) * 1994-10-11 1996-08-20 E. I. Du Pont De Nemours And Company Process of imprinting catalytically active particles on membrane
US5840438A (en) * 1995-08-25 1998-11-24 Ballard Power Systems Inc. Electrochemical fuel cell with an electrode substrate having an in-plane nonuniform structure for control of reactant and product transport

Also Published As

Publication number Publication date
BR9704488A (pt) 1998-12-29
GB2316801A (en) 1998-03-04
US5783325A (en) 1998-07-21
ID18125A (id) 1998-03-05
MX9706504A (es) 1998-05-31
DE19737390A1 (de) 1998-03-12
GB2316801B (en) 1999-07-14
GB9718152D0 (en) 1997-10-29
JPH1092440A (ja) 1998-04-10
TW398097B (en) 2000-07-11
ITTO970758A1 (it) 1999-02-26
CA2213964A1 (en) 1998-02-27
FR2755541A1 (fr) 1998-05-07

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