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SOLID OXIDE FUEL CELLS FUELED WITH REDUCIBLE OXIDES

United States Patent Application

20160064742
A1
View the Complete Application at the US Patent & Trademark Office
A direct-electrochemical-oxidation fuel cell for generating electrical energy includes a cathode provided with an electrochemical-reduction catalyst that promotes formation of oxygen ions from an oxygen-containing source at the cathode, a solid-state reduced metal, a solid-state anode provided with an electrochemical-oxidation catalyst that promotes direct electrochemical oxidation of the solid-state reduced metal in the presence of the oxygen ions to produce electrical energy, and an electrolyte disposed to transmit the oxygen ions from the cathode to the solid-state anode. A method of operating a solid oxide fuel cell includes providing a direct-electrochemical-oxidation fuel cell comprising a solid-state reduced metal, oxidizing the solid-state reduced metal in the presence of oxygen ions through direct-electrochemical-oxidation to obtain a solid-state reducible metal oxide, and reducing the solid-state reducible metal oxide to obtain the solid-state reduced metal.
Chuang, Steven S. (Hudson, OH), Fan, Liang Shih (Columbus, OH)
14/ 843,385
September 2, 2015
GOVERNMENT RIGHTS [0002] This invention was made with government support under grant FG36-06GO86055 from the Department of Energy. The government has certain rights in the invention.