AIR ELECTRODE MATERIAL POWDER OF SOLID OXIDE FUEL CELL, AIR ELECTRODE AND SOLID OXIDE FUEL CELL

PROBLEM TO BE SOLVED: To provide air electrode material powder allowing miniaturization of an air electrode structure for realizing high performance of an air electrode of a solid oxide fuel cell. SOLUTION: This air electrode material powder is perovskite composite oxide powder expressed by general...

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Hauptverfasser:	SUGA DAIKI, SASABE SHUJI, TAKEBAYASHI KENJI, FUKUI TAKEHISA, MISONO TERUHIKO, MURATA KENJI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ELECTRICITY INORGANIC CHEMISTRY METALLURGY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide air electrode material powder allowing miniaturization of an air electrode structure for realizing high performance of an air electrode of a solid oxide fuel cell. SOLUTION: This air electrode material powder is perovskite composite oxide powder expressed by general formula ABO3where A comprises one or more kinds of elements selected from a group of La and rare-earth elements and one or more kinds of elements selected from a group of Sr, Ca and Ba, and B comprises one or more kinds of elements selected from a group of Mn, Co, Fe, Ni and Cu. In the air electrode material powder, the average particle diameter is not greater than 1 μm and the width of particle size distribution is limited within a predetermined range. COPYRIGHT: (C)2006,JPO&NCIPI