| 摘要 |
PROBLEM TO BE SOLVED: To provide a hydrogen gas detecting material excellent in hydrogen gas detecting sensitivity and hydrogen gas selectivity and suitably used in a fuel cell vehicle or the like, its manufacturing method and a hydrogen gas sensor using it. SOLUTION: The hydrogen gas detecting material contains a composite oxide which contains Zn and at least one coexisting element selected from the group consisting of Zr, In, Nb, La, Re, Yb, Ho, Er, Hf, Dy, Ga and Al. The hydrogen gas sensor is equipped with the hydrogen gas detecting material as a hydrogen gas detection part. COPYRIGHT: (C)2005,JPO&NCIPI
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