Journal
CATALYSIS TODAY
Volume 233, Issue -, Pages 53-60Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cattod.2013.08.013
Keywords
Ni catalysts; Ethanol steam reforming; Ball-milling; Coke; Sintering
Funding
- National Science Foundation of China [21006068, 21222604, 21376169]
- Program for New Century Excellent Talents in University [NCET-10-0611]
- Scientific Research Foundation for the Returned Overseas Chinese Scholars (MoE), and Program of Introducing Talents of Discipline to Universities [B06006]
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This paper describes the fabrication of Ni-CeO2 catalysts for ethanol steam reforming via an easy ball-milling process using skeletal Ni and powder CeO2 as precursors. Hydrogen production from reforming of biomass-derived oxygenates is one of the most promising energy acquisition methods. Although Ni-based catalysts have been intensively employed in reforming reactions, they commonly suffer severe deactivation due to sintering of metal particles and carbon deposition. The prepared Ni-CeO2 catalysts were examined via BET, XRD, TPR, TEM, and compared to a reference Ni/CeO2 catalysts prepared by a conventional method. Due to the nanoconfinement of nickel particles by the support and the strong metal-support interaction, the Ni-CeO2 catalyst has superior ability for anti-sintering and -coke, thus has high reactivity and stability in reforming reactions. This preparation method is facile and favorable from the practical point of view. (C) 2013 Elsevier B.V. All rights reserved.
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