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Fuel cell generator with fuel electrodes that control on-cell fuel reformation

United States Patent

October 25, 2011
View the Complete Patent at the US Patent & Trademark Office
U.S. Department of Energy - Visit the Office of the Assistant General Counsel for Technology Transfer & Intellectual Property Website
A fuel cell for a fuel cell generator including a housing including a gas flow path for receiving a fuel from a fuel source and directing the fuel across the fuel cell. The fuel cell includes an elongate member including opposing first and second ends and defining an interior cathode portion and an exterior anode portion. The interior cathode portion includes an electrode in contact with an oxidant flow path. The exterior anode portion includes an electrode in contact with the fuel in the gas flow path. The anode portion includes a catalyst material for effecting fuel reformation along the fuel cell between the opposing ends. A fuel reformation control layer is applied over the catalyst material for reducing a rate of fuel reformation on the fuel cell. The control layer effects a variable reformation rate along the length of the fuel cell.
Ruka; Roswell J. (Pittsburgh, PA), Basel; Richard A. (Pittsburgh, PA), Zhang; Gong (Murrysville, PA)
Siemens Energy, Inc. (Orlando, FL)
12/ 115,738
May 6, 2008
This invention was made with U.S. Government support under Contract Number DE-FC26-05NT42613 awarded by the U.S. Department of Energy. The U.S. Government has certain rights to this invention.