Preparation of Nanoscale CexFe1-xO2 Solid Solution Catalyst by the Template Method and Its Catalytic Properties for Ethanol Steam Reforming

Abstract

Abstract: Nanoscale CexFe1-xO2 solid solutions with high surface area were prepared by a modified template route using an ultrahigh surface area carbon material as the template and nitrate as the oxide precursor. The resultant samples were characterized by XRD, N2 adsorption, Raman spectroscopy, and TEM. The results show that the particle sizes of α-Fe2O3, CexFe1-xO2 solid solutions, and CeO2 are 5-15 nm. Partial Ce4+cations in the nanoscale CeO2 are substituted by Fe3+cations, which results in the formation of CexFe1-xO2 solid solutions. The CexFe1-xO2 solid solutions have superior catalytic activity and selectivity for hydrogen in the ethanol steam reforming compared with the CeO2 and α-Fe2O3 catalysts.

Key words: CexFe1-xO2, solid solution, ethanol steam reforming, template route, hydrogen production

LIN Hongyan;MA Zhiqiang;DING Ling;QIU Jieshan;LIANG Changhai*. Preparation of Nanoscale CexFe1-xO2 Solid Solution Catalyst by the Template Method and Its Catalytic Properties for Ethanol Steam Reforming[J]. Chinese Journal of Catalysis, 2008, 29(5): 418-420.

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https://www.cjcatal.com/EN/Y2008/V29/I5/418

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Preparation of Nanoscale CexFe1-xO2 Solid Solution Catalyst by the Template Method and Its Catalytic Properties for Ethanol Steam Reforming

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