Melilite composite oxide
AssigneeKanagawa University
InventorsSatoshi Ogawa, Teruki Motohashi, Saito Miwa, Kenta Suzuki
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Abstract
Provided is a novel compound which can be used for positive-electrode catalysts of metal-air batteries. The melilite-type complex oxide according to the present invention is represented by a general formula (BazSr1−z)2CoxFe2−2x(SiyGe1−y)1+xO7 (in the formula, 0≤x≤1, 0≤y≤1, and 0≤z≤1, excluding the case where x=1, y=1, and z=0, the case where x=1, y=1, and z=1, the case where x=1, y=0, and z=0, the case where x=1, y=0, and z=1, the case where x=0, y=0, and z=0, and the case where x=0, y=0, and z=1).
Claims5
A melilite-type complex oxide represented by a general formula (BazSr1−z)2COxFe2−2x(SiyGe1−y)1+xO7 (in the formula, 0≤x≤1, 0≤y≤1, and 0≤z≤1, excluding the case of x=1, y=1, and z=0, the case of x=1, y=1, and z=1, the case of x=1, y=0, and z=0, the case of x=1, y=0, and z=1, the case of x=0, y=0, and z=0, and the case of x=0, y=0, and z=1.
A melilite-type complex oxide represented by a general formula (Baz1Sr1−z1−z2REz2)2Cox1Znx2Fe2−2(x1+x2) (SiyGe1−y)1+x1+x2O7 (in the formula, 0≤x1≤1, 0≤x2≤0.2, 0≤y≤1, 0≤z1≤1, 0≤z2≤0.2, and at least one of x2 and z2 is greater than 0).
Dependencies are inferred from the claim text.