IN2014CN03537A - - Google Patents

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Publication number
IN2014CN03537A
IN2014CN03537A IN3537CHN2014A IN2014CN03537A IN 2014CN03537 A IN2014CN03537 A IN 2014CN03537A IN 3537CHN2014 A IN3537CHN2014 A IN 3537CHN2014A IN 2014CN03537 A IN2014CN03537 A IN 2014CN03537A
Authority
IN
India
Prior art keywords
aspect ratio
non woven
gas diffusion
diffusion substrate
and10
Prior art date
Application number
Inventor
Rosemary Fisher
Ian Roy Harkness
Jonathan David Brereton Sharman
Michael Jeschke
Original Assignee
Johnson Matthey Fuel Cells Ltd
Technical Fibre Products Ltd
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 Fuel Cells Ltd, Technical Fibre Products Ltd filed Critical Johnson Matthey Fuel Cells Ltd
Publication of IN2014CN03537A publication Critical patent/IN2014CN03537A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/023—Porous and characterised by the material
    • H01M8/0241—Composites
    • H01M8/0243—Composites in the form of mixtures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/8605—Porous electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/8636—Inert electrodes with catalytic activity, e.g. for fuel cells with a gradient in another property than porosity
    • H01M4/8642—Gradient in composition
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/8647—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites
    • H01M4/8652—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites as mixture
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/8663—Selection of inactive substances as ingredients for catalytic active masses, e.g. binders, fillers
    • H01M4/8673—Electrically conductive fillers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/023—Porous and characterised by the material
    • H01M8/0234—Carbonaceous material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M8/1007—Fuel cells with solid electrolytes with both reactants being gaseous or vaporised
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M2008/1095—Fuel cells with polymeric electrolytes
    • 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
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Composite Materials (AREA)
  • Inert Electrodes (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

A non woven gas diffusion substrate comprising: (i) a non woven carbon fibre web; (ii) a carbon particulate material; and10 (iii) a hydrophobic binder characterised in that the non woven gas diffusion substrate further comprises a conductive material having a x:y aspect ratio from 0.01 to 100 a x:z aspect ratio of at least 500 and a y:z aspect ratio of at least 500.
IN3537CHN2014 2011-10-19 2012-10-17 IN2014CN03537A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB1118020.5A GB201118020D0 (en) 2011-10-19 2011-10-19 Gas diffusion substrate
PCT/GB2012/052560 WO2013057483A1 (en) 2011-10-19 2012-10-17 Gas diffusion substrate

Publications (1)

Publication Number Publication Date
IN2014CN03537A true IN2014CN03537A (en) 2015-09-04

Family

ID=45219925

Family Applications (1)

Application Number Title Priority Date Filing Date
IN3537CHN2014 IN2014CN03537A (en) 2011-10-19 2012-10-17

Country Status (9)

Country Link
US (1) US9859572B2 (en)
EP (1) EP2769429B1 (en)
JP (1) JP2014531118A (en)
KR (1) KR101951510B1 (en)
CN (1) CN103999276B (en)
GB (1) GB201118020D0 (en)
IN (1) IN2014CN03537A (en)
WO (1) WO2013057483A1 (en)
ZA (1) ZA201402606B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2521677A (en) * 2013-12-31 2015-07-01 Intelligent Energy Ltd Fuel cell stack assembly and method of assembly
WO2017069014A1 (en) * 2015-10-22 2017-04-27 東レ株式会社 Carbon sheet, gas-diffusion-electrode substrate, roll body, and fuel cell

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0791974B2 (en) 1996-02-28 2005-08-17 Johnson Matthey Public Limited Company Catalytically active gas diffusion electrodes comprising a nonwoven fibrous structure
GB9708365D0 (en) 1997-04-25 1997-06-18 Johnson Matthey Plc Proton conducting membranes
GB9903320D0 (en) * 1999-02-15 1999-04-07 Johnson Matthey Plc Substrates
GB9914492D0 (en) * 1999-06-22 1999-08-25 Johnson Matthey Plc Non-woven fibre webs
GB0009319D0 (en) 2000-04-17 2000-05-31 Technical Fibre Products Limit Conductive sheet material
EP1275165A1 (en) 2000-04-17 2003-01-15 Johnson Matthey Public Limited Company Gas diffusion substrate
GB0027119D0 (en) 2000-11-07 2000-12-20 Johnson Matthey Plc Gas diffusion substrate
JP3833898B2 (en) * 2001-03-21 2006-10-18 アイシン精機株式会社 Method for producing electrode for fuel cell
US7144476B2 (en) 2002-04-12 2006-12-05 Sgl Carbon Ag Carbon fiber electrode substrate for electrochemical cells
EP1627444A2 (en) 2003-05-09 2006-02-22 Foamex L.P. Gas diffusion layer having carbon particle mixture
GB0319780D0 (en) 2003-08-22 2003-09-24 Johnson Matthey Plc Membrane electrode assembly
GB0413324D0 (en) * 2004-06-15 2004-07-21 Johnson Matthey Plc Gas diffusion substrate
JP2006032163A (en) * 2004-07-16 2006-02-02 Hitachi Maxell Ltd Power generation element for liquid fuel cell, and liquid fuel cell using it
US7939218B2 (en) 2004-12-09 2011-05-10 Nanosys, Inc. Nanowire structures comprising carbon
GB0601943D0 (en) * 2006-02-01 2006-03-15 Johnson Matthey Plc Microporous layer
US7887927B2 (en) * 2007-03-09 2011-02-15 Nanotek Instruments, Inc. Highly conductive, multi-layer composite precursor composition to fuel cell flow field plate or bipolar plate
US7790285B2 (en) * 2007-12-17 2010-09-07 Nanotek Instruments, Inc. Nano-scaled graphene platelets with a high length-to-width aspect ratio
GB0902312D0 (en) * 2009-02-12 2009-04-01 Johnson Matthey Plc Gas diffusion substrate

Also Published As

Publication number Publication date
KR101951510B1 (en) 2019-02-22
US9859572B2 (en) 2018-01-02
CN103999276A (en) 2014-08-20
EP2769429A1 (en) 2014-08-27
EP2769429B1 (en) 2016-11-30
WO2013057483A1 (en) 2013-04-25
US20140255819A1 (en) 2014-09-11
GB201118020D0 (en) 2011-11-30
CN103999276B (en) 2017-02-15
JP2014531118A (en) 2014-11-20
ZA201402606B (en) 2017-09-27
KR20140083038A (en) 2014-07-03

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