Porous structures from solid solutions of reduced oxides
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United States of America Patent
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May 17, 1994
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app pub date -
Feb 4, 1993
filing date -
Feb 4, 1993
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Abstract
A process for producing porous structures for use in molten carbonate fuel cells in which a powder comprising at least one of a non-alloyed metal powder and a metal oxide powder, and a ceramic oxide powder is mixed, formed into a desired shape and sintered in an oxidizing atmosphere at a temperature between 900.degree. C. and about 1400.degree. C. via reactive oxidation to form a sintered oxide structure, which is then cooled to 700.degree. C. to 1100.degree. C. and treated in a reducing atmosphere to form a metallic structure with the non-reducible oxide dispersed within the metal.
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