DICP OpenIR
学科主题物理化学
CO preferential oxidation in excess
Li WX(李微雪)
会议名称US-China partnership workshop on surface science and heterogeneous catalysis
会议日期2009-6-14
2009-06-14
会议地点中国
页码6/1
部门归属五室
主办者大连化物所
英文摘要The identification of active phases/centers and reaction mechanisms, structure-reactivity relationship and their dependence on reaction temperatures and pressures, are the crucial to rationale the design of the heterogeneous catalysis. However, significant challenges remain to close “the catalytic cycle”, and typically the integration of in-situ catalytic reactions of supported nano-catalysts, surface sciences and novel first principle density functional theory calculations including T/P are required. To illustrate the challenges and possible solutions based on the synergetic cooperation between bottom-up experiment and theory, CO oxidation on Pt, and preferential CO oxidation in excess of hydrogen on PtFe alloy, industrial important catalytic reactions, will be discussed. Complexity of the catalytic reactions under realistic conditions as well as “materials gap” and “pressures gap” will be illustrated. Various structural models (bimetallic alloys, core-shell, metal/metal oxide etc) under reaction conditions and their effects on the reaction mechanisms (active phases/centers, reaction path) will be explored.
语种中文
文献类型会议论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/113912
专题中国科学院大连化学物理研究所
通讯作者Li WX(李微雪)
推荐引用方式
GB/T 7714
Li WX. CO preferential oxidation in excess[C],2009:6/1.
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