Thermal Stability and Reductive Property of Ce_xZr_(1-x)O_2 Solid Solution Doped Simultaneously by Fe, Mn or Fe, Cu

阎忠君; 杨栋; 文明芬; 陈靖; 王京刚; 顾永万

首页> 中文期刊> 《中国稀土学报：英文版》 >Thermal Stability and Reductive Property of Ce_xZr_(1-x)O_2 Solid Solution Doped Simultaneously by Fe, Mn or Fe, Cu

Thermal Stability and Reductive Property of Ce_xZr_(1-x)O_2 Solid Solution Doped Simultaneously by Fe, Mn or Fe, Cu

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CexZr1-xO2 complex oxides doped by transition metal(Fe, Mn, Cu) were prepared by precipitation method. Thermal stability of samples was characterized by XRD, surface areas were measured by BET method and reductive property was characterized by TPR. The results show that MnO2 can be dispersed in solid solution after calcined at 1273 K, when the loading is 12%, while Fe and Cu is easy to separate from samples at this temperature. Samples doped simultaneously by Fe, Mn or Fe, Cu demonstrated high reactive property at low temperature. The starting reduction temperature are 413 and 373 K, respectively. TPR results also show a broad range of reductive temperature exists in these bi-metal doped samples.

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来源
《中国稀土学报：英文版》 |2005年第3期|349-352|共4页
作者
阎忠君; 杨栋; 文明芬; 陈靖; 王京刚; 顾永万;
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作者单位

Institute of Nuclear and New Energy Technology;

Tsinghua University;

Beijing 102201;

China;

College of Chemical Engineering;

Beijing University of Chemical Technology;

Beijing 100029;

China;

Kunming Sino-Platinum Metals Catalyst Limited Corporation;

Kunming 650101;

China;

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原文格式 PDF
正文语种 chi
中图分类 O614.332;
关键词
CexZr1-xO2; 稀土; 固溶体; CeO2; X光线衍射技术;

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Thermal Stability and Reductive Property of Ce_xZr_(1-x)O_2 Solid Solution Doped Simultaneously by Fe, Mn or Fe, Cu

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