Steam reforming of methane over highly active and KOH-resistant Ni/g-Al sub(2)O sub(3) catalysts for direct internal reforming (DIR) in a molten carbonate fuel cell (MCFC)

For direct internal reforming (DIR) in molten carbonate fuel cells (MCFCs), steam reforming of methane has been carried out over Ni/g-Al sub(2)O sub(3) catalysts prepared by a homogeneous precipitation method. During the synthesis of Ni/g-Al sub(2)O sub(3) catalysts, various synthesis parameters hav...

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Published inApplied catalysis. A, General Vol. 383; no. 1-2; pp. 156 - 160
Main Authors Roh, Hyun-Seog, Jung, Youshick, Koo, Kee Young, Jung, Un Ho, Seo, Yong-Seog, Yoon, Wang Lai
Format Journal Article
LanguageEnglish
Published 31.07.2010
Subjects
Catalysis
Catalysts
Internal reforming
Methane
Molten carbonate fuel cells
Nickel
Reforming
Synthesis
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Summary:For direct internal reforming (DIR) in molten carbonate fuel cells (MCFCs), steam reforming of methane has been carried out over Ni/g-Al sub(2)O sub(3) catalysts prepared by a homogeneous precipitation method. During the synthesis of Ni/g-Al sub(2)O sub(3) catalysts, various synthesis parameters have been systematically manipulated to develop a highly active and KOH-resistant catalyst for DIR in MCFCs. Compared with a commercial catalyst, 52% Ni/g-Al sub(2)O sub(3) prepared with a precursor concentration of 0.18 M and a urea concentration of 6 M exhibited very high activity with strong resistance against KOH due to the selective adsorption of KOH on the g-Al sub(2)O sub(3) support.
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ISSN:0926-860X
DOI:10.1016/j.apcata.2010.05.037