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Title: Photocatalytic methods for preparation of electrocatalyst materials

Patent ·
OSTI ID:1111108
; ; ; ; ; ; ; ;

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 proton exchange 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. (Erlander, KY); Toyota Motor Corporation (Toyota, JP), Sandia Corporation (Albuquerque, NM)`
Patent Number(s):
8,609,573
Application Number:
12/166,957
OSTI ID:
1111108
Country of Publication:
United States
Language:
English

References (16)

Electron Transfer Function of Metalloporphyrins and Their Fixation in Polymer Gel Beads for Constructing Hydrogen Evolution System. journal January 1996
Method of preparing of nanometer electrocatalyst for proton exchange membrane fuel cell patent February 2003
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
Catalytic converter for treating exhaust gas patent April 1995
Controlled Synthesis of 2-D and 3-D Dendritic Platinum Nanostructures journal January 2004
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
Method of preparing metal-heterocarbon-nitrogen catalyst for electrochemical cells patent December 1994
Visible-light-activated photocatalyst and method for producing the same patent-application February 2006
Dendritic Metal Nanostructures for Fuel Cells and Other Applications patent-application October 2007

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