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Title: Photocatalytic methods for preparation of electrocatalyst materials

Patent ·
OSTI ID:1096023
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The invention relates to methods of preparing metal particles on a support material, including platinum-containing nanoparticles on a carbon support. Such materials can be used as electrocatalysts, for example as improved electrocatalysts in polymer electrolyte membrane fuel cells (PEM-FCs).

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE
Assignee:
Toyota Motor Engineering & Manufacturing North America, Inc. (Erlanger, KY); Toyota Motor Corporation (Toyota, JP); Sandia Corporation (Albuquerque, NM)
Patent Number(s):
8,541,146
Application Number:
11/329,853
OSTI ID:
1096023
Country of Publication:
United States
Language:
English

References (18)

Method of preparing of nanometer electrocatalyst for proton exchange membrane fuel cell patent February 2003
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Pyrolysis of iron and cobalt porphyrins sublimated onto the surface of carbon black as a method to prepare catalysts for O2 reduction journal December 1993
Photocatalytic body and method for making same patent August 2000
Platinum-free chelate-catalyst material for the selective reduction of oxygen and method for production thereof patent-application November 2004
Pt/Rh/Fe alloy catalyst for fuel cells and a process for producing the same patent December 2000
Controlled Synthesis of 2-D and 3-D Dendritic Platinum Nanostructures journal January 2004
Metal ion porphyrin-containing poly(imide) patent May 1994
Methanol tolerant catalyst material patent June 2001
Photocatalytic methods for preparation of electrocatalyst materials patent-application November 2006
O 2 Reduction in PEM Fuel Cells: Activity and Active Site Structural Information for Catalysts Obtained by the Pyrolysis at High Temperature of Fe Precursors journal November 2000
Metal and metal oxide catalyzed electrodes for electrochemical cells, and methods of making same patent December 1991
Catalyst and method for its manufacture patent-application October 2005
Carbon monoxide tolerant electrocatalyst with low platinum loading and a proces for its preparation patent-application September 2002
Photocatalytic Methods for Preparation of Electrocatalyst Materials patent-application January 2009
Method of preparing metal-heterocarbon-nitrogen catalyst for electrochemical cells patent December 1994
Dendritic Metal Nanostructures for Fuel Cells and Other Applications patent-application October 2007
Reduction of carbon dioxide with water under concentrated sunlight using photocatalyst combined with Fe-based catalyst journal March 2003

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