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Bi Containing Solid Oxide Fuel Cell System With Improved Performance and Reduced Manufacturing Costs

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
A method to provide a tubular, triangular or other type solid oxide electrolyte fuel cell has steps including providing a porous air electrode cathode support substrate, applying a solid electrolyte and cell to cell interconnection on the air electrode, applying a layer of bismuth compounds on the surface of the electrolyte and possibly also the interconnection, and sintering the whole above the melting point of the bismuth compounds for the bismuth compounds to permeate and for densification.
Zhang, Gong (Murrysville, PA), Ruka, Roswell J. (Pittsburgh, PA), Lu, Chun (Monroeville, PA)
12/ 490,495
June 24, 2009
GOVERNMENT CONTRACT [0001] The Government of the United States of America has rights in this invention pursuant to Contract No. DE-FC26-05NT42613, awarded by the U.S. Department of Energy.