摘要 |
An exhaust gas-purifying catalyst (1) contains a rare-earth element, an alkaline-earth element, zirconium and a precious metal, wherein an atomic ratio of the alkaline-earth element with respect to a sum of the rare-earth element and the zirconium is 10 atomic% or more, a part of the rare-earth element and a part of zirconium form a composite oxide with at least a part of the alkaline-earth element, and the composite oxide and a part of the precious metal form a solid solution.
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申请人 |
CATALER CORPORATION;DAIHATSU MOTOR COMPANY, LTD. |
发明人 |
MATSUEDA, SATOSHI;KIMURA, MAREO;HIRAI, AKIMASA;NARITA, KEIICHI;TANAKA, HIROHISA;UENISHI, MARI;TAN, ISAO;TANIGUCHI, MASASHI |