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Method of fabricating electrode catalyst layers with directionally oriented carbon support for proton exchange membrane fuel cell

United States Patent

March 20, 2012
View the Complete Patent at the US Patent & Trademark Office
Argonne National Laboratory - Visit the Technology Development and Commercialization Website
A membrane electrode assembly (MEA) of the invention comprises an anode and a cathode and a proton conductive membrane therebetween, the anode and the cathode each comprising a patterned sheet of longitudinally aligned transition metal-containing carbon nanotubes, wherein the carbon nanotubes are in contact with and are aligned generally perpendicular to the membrane, wherein a catalytically active transition metal is incorporated throughout the nanotubes.
Liu; Di-Jia (Naperville, IL), Yang; Junbing (Bolingbrook, IL)
UChicago Argonne, LLC (Chicago, IL)
12/ 788,527
May 27, 2010
CONTRACTUAL ORIGIN OF THE INVENTION The United States Government has rights in this invention pursuant to Contract No. W-31-109-ENG-38 between the U.S. Department of Energy and The University of Chicago and/or pursuant to Contract No. DE-AC02-06CH11357 between the United States Government, U.S. Department of Energy and UChicago Argonne, LLC representing Argonne National Laboratory.