location: Current position: Home >> Scientific Research >> Paper Publications

纳米CexFe1-xO2固溶体的模板法制备及其乙醇水蒸气重整催化性能

Hits:

Indexed by:期刊论文

Date of Publication:2008-05-01

Journal:催化学报

Included Journals:SCIE、EI、PKU、ISTIC、CSCD

Volume:29

Issue:5

Page Number:418-420

ISSN No.:0253-9837

Key Words:CexFe1-xO2;固溶体;乙醇水蒸气重整;模板技术;制氢

Abstract:以超高比表面炭材料为模板,硝酸盐为氧化物前体,通过改进的模板路线制备了具有较高比表面积的纳米CexFe1-xO2固溶体. 采用X射线衍射、拉曼光谱、物理吸附和透射电镜对制备的样品进行了表征. 结果表明, α-Fe2O3, CexFe1-xO2固溶体和CeO2的粒子尺寸为5~15 nm, CeO2中部分Ce4+离子被Fe3+离子取代,从而形成了CexFe1-xO2固溶体. 乙醇水蒸气重整反应结果显示, CexFe1-xO2固溶体比相应的α-Fe2O3和CeO2具有更高的催化活性和对氢气的选择性.

Pre One:Aerobic oxidation of alcohols over Au/TiO2: An insight on the promotion effect of water on the catalytic activity of Au/TiO2

Next One:Carbon nanofiber supported Ni catalysts for the hydrogenation of chloronitrobenzenes