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Bi-metallic nanoparticles as cathode electrocatalysts

United States Patent

9,929,453
March 27, 2018
View the Complete Patent at the US Patent & Trademark Office
A lithium-air battery cathode catalyst includes core-shell nanoparticles on a carbon support, wherein: a core of the core-shell nanoparticles is platinum metal; and a shell of the core-shell nanoparticles is copper metal; wherein: the core-shell nanoparticles have a weight ratio of the copper metal to the platinum metal from about 4% to about 6% copper to from about 2% to about 12% platinum, with a remaining percentage being the carbon support.
Lu; Jun (Bolingbrook, IL), Amine; Khalil (Oakbrook, IL), Wang; Xiaoping (Naperville, IL), Luo; Xiangyi (Westmont, IL), Myers; Deborah J. (Lisle, IL)
UCHICAGO ARGONNE, LLC (Chicago, IL)
14/ 450,772
20160036108
August 4, 2014
GOVERNMENT RIGHTS The United States Government has 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.