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Segregated exhaust SOFC generator with high fuel utilization capability

United States Patent

August 26, 2003
View the Complete Patent at the US Patent & Trademark Office
A fuel cell generator contains a plurality of fuel cells (6) in a generator chamber (1) and also contains a depleted fuel reactor or a fuel depletion chamber (2) where oxidant (24,25) and fuel (81) is fed to the generator chamber (1) and the depleted fuel reactor chamber (2), where both fuel and oxidant react, and where all oxidant and fuel passages are separate and do not communicate with each other, so that fuel and oxidant in whatever form do not mix and where a depleted fuel exit (23) is provided for exiting a product gas (19) which consists essentially of carbon dioxide and water for further treatment so that carbon dioxide can be separated and is not vented to the atmosphere.
Draper; Robert (Pittsburgh, PA), Veyo; Stephen E. (Murrysville, PA), Kothmann; Richard E. (Pittsburgh, PA)
Siemens Westinghouse Power Corporation (Orlando, FL)
09/ 636,248
August 10, 2000
GOVERNMENT CONTRACT The Government of the United States of America has rights in this invention pursuant to Contract No. DE-AC26-98FT40355, awarded by the United States Department of Energy.