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EXHAUST GAS PURIFICATION CATALYST AND METHOD FOR PRODUCING THE SAME 发明申请

2023-01-04 4020 92K 0

专利信息

申请日期 2025-07-11 申请号 JP2013031865
公开(公告)号 JP2014161747A 公开(公告)日 2014-09-08
公开国别 JP 申请人省市代码 全国
申请人 MAZDA MOTOR CORP
简介 PROBLEM TO BE SOLVED : To provide a catalyst material that becomes active even at low temperatures and has catalyst performance excellent enough to purify hazardous substances in exhaust gas efficiently. SOLUTION : An exhaust gas purification catalyst 1 includes a Rh-containing catalyst layer 4 provided on a base material 2. The Rh-containing catalyst layer 4 includes Rh-supporting Zr-based composite oxide in which Rh6 is supported on Zr-based composite oxide containing Zr and a rare earth metal except Ce. The Rh-supporting Zr-based composite oxide has been previously subjected to a reduction treatment. COPYRIGHT : (C)2014, JPO&INPIT


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