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Bimetallic alloy electrocatalysts with multilayered platinum-skin surfaces

United States Patent

January 26, 2016
View the Complete Patent at the US Patent & Trademark Office
Compositions and methods of preparing a bimetallic alloy having enhanced electrocatalytic properties are provided. The composition comprises a PtNi substrate having a surface layer, a near-surface layer, and an inner layer, where the surface layer comprises a nickel-depleted composition, such that the surface layer comprises a platinum skin having at least one atomic layer of platinum.
Stamenkovic; Vojislav R. (Naperville, IL), Wang; Chao (Aurora, IL), Markovic; Nenad M. (Hinsdale, IL)
UChicago Argonne, LLC (Chicago, IL)
13/ 451,852
April 20, 2012
STATEMENT OF GOVERNMENT INTEREST The United States Government claims certain rights in this invention pursuant to Contract No. DE-AC02-06CH11357 between the U.S. Department of Energy and UChicago Argonne, LLC, representing Argonne National Laboratory.