WO2005008814A3 - Electrodes and other fuel cell components having ultra low catalyst loadings coated thereon and processes for making and using the same - Google Patents

Electrodes and other fuel cell components having ultra low catalyst loadings coated thereon and processes for making and using the same Download PDF

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Publication number
WO2005008814A3
WO2005008814A3 PCT/US2004/022559 US2004022559W WO2005008814A3 WO 2005008814 A3 WO2005008814 A3 WO 2005008814A3 US 2004022559 W US2004022559 W US 2004022559W WO 2005008814 A3 WO2005008814 A3 WO 2005008814A3
Authority
WO
WIPO (PCT)
Prior art keywords
fuel cell
cell components
electrodes
coated
processes
Prior art date
Application number
PCT/US2004/022559
Other languages
French (fr)
Other versions
WO2005008814A2 (en
Inventor
Juan C Figueroa
Original Assignee
Du Pont
Juan C Figueroa
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 Du Pont, Juan C Figueroa filed Critical Du Pont
Publication of WO2005008814A2 publication Critical patent/WO2005008814A2/en
Publication of WO2005008814A3 publication Critical patent/WO2005008814A3/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
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M8/1004—Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
    • 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
    • H01M4/90—Selection of catalytic material
    • H01M4/92—Metals of platinum group
    • H01M4/921—Alloys or mixtures with metallic elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/18—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/42—Platinum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0238—Impregnation, coating or precipitation via the gaseous phase-sublimation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/06—Washing
    • 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
    • H01M4/88—Processes of manufacture
    • H01M4/8803—Supports for the deposition of the catalytic active composition
    • H01M4/881—Electrolytic membranes
    • 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

Abstract

The present invention relates to fuel cells and various fuel cell components comprising electrocatalysts comprising composite materials that deliver high mass specific current densities through the use of activated precursor electrocatalysts.
PCT/US2004/022559 2003-07-10 2004-07-09 Electrodes and other fuel cell components having ultra low catalyst loadings coated thereon and processes for making and using the same WO2005008814A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US48610803P 2003-07-10 2003-07-10
US60/486,108 2003-07-10

Publications (2)

Publication Number Publication Date
WO2005008814A2 WO2005008814A2 (en) 2005-01-27
WO2005008814A3 true WO2005008814A3 (en) 2005-12-15

Family

ID=34079195

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/022559 WO2005008814A2 (en) 2003-07-10 2004-07-09 Electrodes and other fuel cell components having ultra low catalyst loadings coated thereon and processes for making and using the same

Country Status (2)

Country Link
TW (1) TW200505093A (en)
WO (1) WO2005008814A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008059960A (en) * 2006-09-01 2008-03-13 Toyota Motor Corp Activation method of solid polymer fuel cell and solid polymer fuel cell
WO2010124196A2 (en) * 2009-04-23 2010-10-28 3M Innovative Properties Company Catalyst property control with intermixed inorganics
EP2564456B1 (en) 2010-04-26 2021-05-26 3M Innovative Properties Company Platinum nickel catalyst alloy

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5879827A (en) * 1997-10-10 1999-03-09 Minnesota Mining And Manufacturing Company Catalyst for membrane electrode assembly and method of making
US5993979A (en) * 1997-04-29 1999-11-30 E. I. Du Pont De Nemours And Company Skeletal columnar coatings
US6403245B1 (en) * 1999-05-21 2002-06-11 Microcoating Technologies, Inc. Materials and processes for providing fuel cells and active membranes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5993979A (en) * 1997-04-29 1999-11-30 E. I. Du Pont De Nemours And Company Skeletal columnar coatings
US5879827A (en) * 1997-10-10 1999-03-09 Minnesota Mining And Manufacturing Company Catalyst for membrane electrode assembly and method of making
US6403245B1 (en) * 1999-05-21 2002-06-11 Microcoating Technologies, Inc. Materials and processes for providing fuel cells and active membranes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MARTINS M E ET AL: "A comparative study of the early stages of mercury, cadmium, lead, silver and copper electrodeposition on columnar and smooth platinum electrodes", ELECTROCHIMICA ACTA, ELSEVIER SCIENCE PUBLISHERS, BARKING, GB, vol. 41, no. 15, 1996, pages 2441 - 2449, XP004019927, ISSN: 0013-4686 *

Also Published As

Publication number Publication date
WO2005008814A2 (en) 2005-01-27
TW200505093A (en) 2005-02-01

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