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Electrode electrolyte interlayers containing cerium oxide for electrochemical fuel cells

United States Patent

October 31, 2000
View the Complete Patent at the US Patent & Trademark Office
An electrochemical cell is made having a porous fuel electrode (16) and a porous air electrode (13), with solid oxide electrolyte (15) therebetween, where the air electrode surface opposing the electrolyte has a separate, attached, dense, continuous layer (14) of a material containing cerium oxide, and where electrolyte (16) contacts the continuous oxide layer (14), without contacting the air electrode (13).
Borglum; Brian P. (Edgewood, PA), Bessette; Norman F. (N. Huntingdon, PA)
Siemens Westinghouse Power Corporation (Orlando, FL)
09/ 122,291
July 24, 1998
GOVERNMENT CONTRACT CLAUSE The Government of the United States of America has rights in this invention pursuant to Contract No. DE-FC26-97FT-34139, awarded by the United States Department of Energy.