Method of producing an air electrode material for solid electrolyte type fuel cells
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United States of America Patent
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Nov 30, 1993
Grant Date -
N/A
app pub date -
Jul 8, 1991
filing date -
Jul 12, 1990
priority date (Note) -
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Abstract
A method of producing a self-supporting air electrode for a solid electrolyte fuel cell, including the steps of mixing lanthanum or a lanthanum compound, manganese or a manganese compound, and metal A or a compound thereof into a mixture, wherein A is selected from the group consisting of Sr, Ca, Mg, Y, Ce, Yb, Zn and Ba and pre-firing the mixture at a temperature of at least 1400.degree. C. to yield a synthesized product of La.sub.1-x A.sub.x MnO.sub.3 wherein 0
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