The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 26, 2016
Filed:
Apr. 20, 2012
Applicants:
Vojislav R. Stamenkovic, Naperville, IL (US);
Chao Wang, Aurora, IL (US);
Nenad M. Markovic, Hinsdale, IL (US);
Inventors:
Vojislav R. Stamenkovic, Naperville, IL (US);
Chao Wang, Aurora, IL (US);
Nenad M. Markovic, Hinsdale, IL (US);
Assignee:
UChicago Argonne, LLC, Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 23/89 (2006.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01); H01M 4/92 (2006.01); C22C 1/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/921 (2013.01); C22C 1/02 (2013.01); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01); H01M 4/926 (2013.01); Y02E 60/50 (2013.01);
Abstract
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.