Method of producing an air electrode material for solid electrol

Details Method of producing an air electrode material for solid electrol Method of producing an air electrode material for solid electrol

1991-07-08

1993-11-30

Willis, Jr., Prince

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429218, 264 44, H01M 810

Patent

active

052664198

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<x .ltoreq.0.5 and forming the synthesized product into a green body and firing the green body to form a self-supporting air electrode body consisting of La.sub.1-x A.sub.x MnO.sub.3.

REFERENCES:
1988 The Chemical Society of Japan, pp. 1623-1629, "Electrode Thickness, Microstructure, and Properties of Air Electrode for High-Temperature Solid Oxide Fuel Cells, La.sub.0.6 Ca.sub.0.4 MO.sub.3 (M=Mn, Co)/YSZ", Junichiro Mizusaki et al. (abstract only).

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