| 摘要 |
A material for a solid oxide fuel cell, the material including a lanthanum metal oxide having a perovskite-type crystal structure; and a ceria metal oxide, wherein the ceria metal oxide includes at least one material selected from the group consisting of metal oxides represented by Formula 1 below and metal oxides represented by Formula 2: (1-a-b)Ce1-xAxO2-delta+aB2O5+bBO3Formula 1 Ce1-x-yAxByO2-gammaFormula 2 wherein 0@a@0.01, 0@b@0.02, 0<2a+@0.02, 0<x<0.3, 0<y@0.02, delta and gamma are selected so that the metal oxides of Formulas 1 and 2, respectively, are both electrically neutral, A is a rare earth metal, and B is a 5-valent metal or a 6-valent metal.
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