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Fuel electrode containing pre-sintered nickel/zirconia for a solid oxide fuel cell

United States Patent

June 19, 2001
View the Complete Patent at the US Patent & Trademark Office
A fuel cell structure (2) is provided, having a pre-sintered nickel-zirconia fuel electrode (6) and an air electrode (4), with a ceramic electrolyte (5) disposed between the electrodes, where the pre-sintered fuel electrode (6) contains particles selected from the group consisting of nickel oxide, cobalt and cerium dioxide particles and mixtures thereof, and titanium dioxide particles, within a matrix of yttria-stabilized zirconia and spaced-apart filamentary nickel strings having a chain structure, and where the fuel electrode can be sintered to provide an active solid oxide fuel cell.
Ruka; Roswell J. (Pittsburgh, PA), Vora; Shailesh D. (Monroeville, PA)
Siemens Westinghouse Power Corporation (Orlando, FL)
09/ 224,157
December 31, 1998
GOVERNMENT RIGHTS The United States Government has certain rights in this invention pursuant to Contract No. DE-FC26-97FT-34139 awarded by the United States Department of Energy.