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题名: Carbon monoxide oxidation over CuO/CeCO2 catalysts
作者: Tang, XL;  Zhang, BC;  Li, Y;  Xu, YD;  Xin, Q;  Shen, WJ
关键词: CO oxidation ;  CuO/CeO2 ;  redox ;  dispersion ;  metal-support interaction
刊名: CATALYSIS TODAY
发表日期: 2004-09-01
DOI: 10.1016/j.cattod.2004.06.040
卷: 93-5, 页:191-198
收录类别: ISTP ;  SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: CuO/CeO2 catalysts prepared by co-precipitation, deposition-precipitation and impregnation methods were extensively investigated for CO oxidation reaction. It was shown that the catalytic behaviors of CuO/CeO2 catalysts greatly depended on the preparation routes, which caused significant differences in the redox properties and the dispersion of copper species. The remarkable redox ability of CuO/CeO2 at lower temperatures was found to play an essential role in CO oxidation reaction. The catalysts prepared by co-precipitation exhibited the highest catalytic activity in CO oxidation with CO total conversion at 85 degreesC. The structural characters as well as the redox features of CuO/CeO2 catalysts were comparatively investigated by XRD, TPR, cyclic voltammetry and XPS measurements. The discrepancies in the dispersion of copper species and the degree of interaction between copper species and ceria determined the reversible redox proper-ties, and consequently the catalytic performance. (C) 2004 Elsevier B.V. All rights reserved.
关键词[WOS]: CO OXIDATION ;  REDOX PROPERTIES ;  DOPED CERIA ;  HREM ;  XPS
语种: 英语
WOS记录号: WOS:000223973200025
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139552
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Tang, XL,Zhang, BC,Li, Y,et al. Carbon monoxide oxidation over CuO/CeCO2 catalysts[J]. CATALYSIS TODAY,2004,93-5:191-198.
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