Patents Examined by Patrick Ryam
  • Chalcogen catalysts for polymer electrolyte fuel cell
    Patent number: 7588857
    Abstract: A methanol-tolerant cathode catalyst and a membrane electrode assembly for fuel cells that includes such a cathode catalyst. The cathode catalyst includes a support having at least one transition metal in elemental form and a chalcogen disposed on the support. Methods of making the cathode catalyst and membrane electrode assembly are also described.
    Type: Grant
    Filed: December 5, 2005
    Date of Patent: September 15, 2009
    Assignee: Los Alamos National Security, LLC
    Inventors: Nicolas Alonso-Vante, Piotr Zelenay, Jong-Ho Choi, Andrzej Wieckowski, Dianxue Cao