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Controlled atmosphere for fabrication of cermet electrodes

United States Patent

5,794,112
August 11, 1998
View the Complete Patent at the US Patent & Trademark Office
A process for making an inert electrode composite wherein a metal oxide and a metal are reacted in a gaseous atmosphere at an elevated temperature of at least about 750.degree. C. The metal oxide is at least one of the nickel, iron, tin, zinc and zirconium oxides and the metal is copper, silver, a mixture of copper and silver or a copper-silver alloy. The gaseous atmosphere has an oxygen content that is controlled at about 5-3000 ppm in order to obtain a desired composition in the resulting composite.
Ray; Siba P. (Murrysville, PA), Woods; Robert W. (New Kensington, PA)
Aluminum Company of America (Pittsburgh, PA)
08/ 883,060
June 26, 1997
The Government has rights in this invention pursuant to Contract No. DE-FC07-89ID 12848 awarded by the Department of Energy.