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Catalysts 2015, 5(1), 298-309; doi:10.3390/catal5010298

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

1
Laboratorio de Materiales Avanzados, Departamento de Química Inorgánica-Instituto Universitario de Materiales de Alicante, Universidad de Alicante, Apartado 99, E-03080 Alicante, Spain
2
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
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)
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Abstract

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
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

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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