Preparation of CuO/CeO2 Catalysts from Metal-organic Frameworks Precursor for Preferential CO Oxidation

doi:10.7503/cjcu20130260

Chem. J. Chinese Universities ›› 2013, Vol. 34 ›› Issue (8): 1907.doi: 10.7503/cjcu20130260

• Physical Chemistry • Previous Articles Next Articles

Preparation of CuO/CeO₂ Catalysts from Metal-organic Frameworks Precursor for Preferential CO Oxidation

XU Li¹, CHEN Chao¹, WANG Rui¹, LUO Jia-Huan², LIU Yun-Ling², ZHANG Ning¹

1. Department of Chemistry, Nanchang University, Nanchang 330031, China;
2. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130012, China

Received:2013-03-19 Online:2013-08-10 Published:2013-07-19
Contact: Ning Zhang E-mail:chaochen@ncu.edu.cn;nzhang.ncu@163.com

Abstract

Abstract:

Employing metal-organic frameworks(MOFs)as precursors, a series of CuO/CeO₂ catalysts was prepared and applied for CO-PROX(preferential oxidation of CO) in H₂-rich stream. Compared with previously reported A-600 catalyst, we can conclude that different precursors lead different catalytic activity. The X-ray diffraction, temperature-programmed reduction in H₂(H₂-TPR), transmission electron microscope and X-ray photoelectron spectroscopy analysis characterization indicated the as-synthetic catalysts presented more bulk CuO species on the surface than that of the A-600 catalyst, which resulted in the negative catalytic activity for preferential CO oxidation. But this also prevented the deactivation of catalysts in H₂O and CO₂ steam, indicating that the catalysts were promising in the CO-PROX process for proton exchange membrane fuel cell(PEMFC) application.

Key words: Metal-organic frameworks(MOFs), Precursor, CuO/CeO₂ catalyst, Preferential oxidation of CO(CO-PROX)

CLC Number:

O643

TrendMD:

XU Li, CHEN Chao, WANG Rui, LUO Jia-Huan, LIU Yun-Ling, ZHANG Ning. Preparation of CuO/CeO₂ Catalysts from Metal-organic Frameworks Precursor for Preferential CO Oxidation[J]. Chem. J. Chinese Universities, 2013, 34(8): 1907.

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Preparation of CuO/CeO₂ Catalysts from Metal-organic Frameworks Precursor for Preferential CO Oxidation

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