Promoting Effect of CeO2 on the Catalytic Activity of Rhodium Supported on Y-Stabilized ZrO2 for NO-CO-C3H6-O2 Reactions

被引：9
|
作者：
Haneda, Masaaki [1 ]
Sawada, Hirotaka [1 ]
Kamiuchi, Naoto [1 ]
Ozawa, Masakuni [1 ]
机构：
[1] Nagoya Inst Technol, Adv Ceram Res Ctr, Tajimi, Gifu 5070071, Japan
来源：
CHEMISTRY LETTERS | 2013年 / 42卷 / 01期
关键词：
CO ADSORPTION; OXIDE-SUPPORT; RH CATALYSTS; CERIA; FTIR; PERFORMANCE; REDUCTION; OXIDATION; MECHANISM; AL2O3;
D O I：
10.1246/cl.2013.60
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The catalytic activity of Rh supported on Y-stabilized ZrO2 for NO-CO-C3H6-O-2 reactions under stoichiometric conditions was improved by the addition of 5 mol % CeO2, whereas an excess amount of CeO2 of more than 10 mol % caused a decrease in the NO reduction activity. The improvement was ascribed to the formation of easily reducible Rh species through interaction with a Ce-Zr solid solution.
引用
收藏
页码：60 / 62
页数：3
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