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Open AccessArticle

Ni-CeO2/C Catalysts with Enhanced OSC for the WGS Reaction

Laboratorio de Materiales Avanzados, Departamento de Química Inorgánica-Instituto Universitario de Materiales de Alicante, Universidad de Alicante, Apartado 99, E-03080 Alicante, Spain
Departamento de Química Inorgánica, Universidad de Sevilla e Instituto de Ciencias de Materiales de Sevilla Centro mixto US-CSIC, Avda. Américo Vespucio 49, 41092 Seville, Spain
Author to whom correspondence should be addressed.
Academic Editor: Keith Hohn
Catalysts 2015, 5(1), 298-309;
Received: 11 December 2014 / Revised: 6 February 2015 / Accepted: 3 March 2015 / Published: 6 March 2015
(This article belongs to the Special Issue Feature Papers to Celebrate the Landmarks of Catalysts)
In this work, the WGS performance of a conventional Ni/CeO2 bulk catalyst is compared to that of a carbon-supported Ni-CeO2 catalyst. The carbon-supported sample resulted to be much more active than the bulk one. The higher activity of the Ni-CeO2/C catalyst is associated to its oxygen storage capacity, a parameter that strongly influences the WGS behavior. The stability of the carbon-supported catalyst under realistic operation conditions is also a subject of this paper. In summary, our study represents an approach towards a new generation of Ni-ceria based catalyst for the pure hydrogen production via WGS. The dispersion of ceria nanoparticles on an activated carbon support drives to improved catalytic skills with a considerable reduction of the amount of ceria in the catalyst formulation. View Full-Text
Keywords: WGS; cerium oxide; carbon support; OSC; Ni based catalysts WGS; cerium oxide; carbon support; OSC; Ni based catalysts
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Pastor-Pérez, L.; Reina, T.R.; Ivanova, S.; Centeno, M.Á.; Odriozola, J.A.; Sepúlveda-Escribano, A. Ni-CeO2/C Catalysts with Enhanced OSC for the WGS Reaction. Catalysts 2015, 5, 298-309.

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