DICP OpenIR
学科主题物理化学
“Ir-in-ceria”: an intelligent catalyst for preferential CO oxidation
黄延强; 王爱琴; 李林; 王晓东; 张涛
会议名称14届国际催化会议
会议日期2008-7-13
2008-07-13
会议地点韩国
页码375/1
部门归属十五室
主办者第十四届国际催化会议组委会
摘要An Ir-in-ceria catalyst has been developed, in which most of the iridium particles were embedded in the ceria matrix. This Ir-in-ceria catalyst exhibited high activity for preferential CO oxidation under excess hydrogen conditions, and the selectivity to CO oxidation remained nearly constant with increasing reaction temperature. It was found that the CeO2 support was properly activated by iridium and acted as the active sites for CO oxidation. Due to the absence of extensively exposed Ir species in the Ir-in-ceria catalyst, H2 oxidation occurring on the Ir species and the ceria support at high temperatures was significantly suppressed, thus keeping the selectivity to CO oxidation at a high level.
语种中文
文献类型会议论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/112948
专题中国科学院大连化学物理研究所
通讯作者张涛
推荐引用方式
GB/T 7714
黄延强,王爱琴,李林,等. “Ir-in-ceria”: an intelligent catalyst for preferential CO oxidation[C],2008:375/1.
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