| 简介 |
PROBLEM TO BE SOLVED : To provide an exhaust gas purifying catalyst and a method for producing the exhaust gas purifying catalyst that can maintain higher purifying performance than conventional ones over a long period of time.
SOLUTION : The exhaust gas purifying catalyst includes a composite oxide containing nobel metal elements and having a cleavage surface. In this exhaust gas purifying catalyst, the composite oxide is preferably a composite oxide of a rare earth element and palladium. It is more preferable that the composite oxide is La4PdO7, that palladium is arrayed on the cleavage surface and that La4PdO7 is supported by Al2O3.
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