Proton-conductive complex oxide and fuel cell using same as electrolyte
AssigneeNational Institute of Advanced Industrial Science and Technology
InventorsJunji AKIMOTO, Naoki HAMAO, Kunimitsu KATAOKA
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Abstract
Provided is a complex oxide that has a space group I-43d, has a high hydrogen content, contains almost no impurity phase, exhibits almost no aluminum substitution in the structure thereof, and is suitable for proton conductivity. This complex oxide is represented by a chemical formula Li7-x-yHxLa3Zr2-yMyO12 (M represents Ta and/or Nb, 3.2<x≤7-y, and 0.25<y<2) and is a single phase of a garnet type structure belonging to a cubic system, and the crystal structure thereof is a space group I-43d.
Claims8
A complex oxide that is represented by a chemical formula Li7-x-yHxLa3Zr2-yMyO12 (M represents Ta and/or Nb, 3.2<x≤7-y, and 0.25<y<2) and is a single phase of a garnet type structure belonging to a cubic system.
Dependencies are inferred from the claim text.