| 摘要 |
Disclosed is a method for producing a catalyst material used for combusting carbon, wherein a delafossite-type AgAlO2 containing an Ag compound is obtained by subjecting NaAlO2 and Ag2O to a hydrothermal treatment at a temperature of not less than 150°C, and then the delafossite-type AgAlO2 containing an Ag compound is cleaned for removing an excess amount of the Ag compound. Consequently, this method enables to produce a catalyst material which is capable of combusting soot at a low temperature without corroding a honeycomb structure onto which it is loaded.
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