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Stack configurations for tubular solid oxide fuel cells

United States Patent

7,785,747
August 31, 2010
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A fuel cell unit includes an array of solid oxide fuel cell tubes having porous metallic exterior surfaces, interior fuel cell layers, and interior surfaces, each of the tubes having at least one open end; and, at least one header in operable communication with the array of solid oxide fuel cell tubes for directing a first reactive gas into contact with the porous metallic exterior surfaces and for directing a second reactive gas into contact with the interior surfaces, the header further including at least one busbar disposed in electrical contact with at least one surface selected from the group consisting of the porous metallic exterior surfaces and the interior surfaces.
Armstrong; Timothy R. (Clinton, TN), Trammell; Michael P. (Clinton, TN), Marasco; Joseph A. (Kingston, TN)
Worldwide Energy, Inc. of Delaware (Oak Ridge, TN)
11/ 103,333
20060228615
April 11, 2005
The United States Government has rights in this invention pursuant to contract no. DE-AC05-00OR22725 between the United States Department of Energy and UT-Battelle, LLC.