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Zinc oxide nanorods based catalysts for hydrogen production by steam reforming of methanol
Center of Excellence in Nanotechnology, Asian Institute of Technology, Thailand.ORCID iD: 0000-0002-0074-3504
2012 (English)In: International journal of hydrogen energy, ISSN 0360-3199, E-ISSN 1879-3487, Vol. 37, no 7, 5518-5526 p.Article in journal (Refereed) Published
Abstract [en]

Zinc oxide (ZnO) nanorods were epitaxially grown on porous cordierite support by a hydrothermal process and utilized for catalyzing methanol steam reforming (MSR) reaction. Catalytic activity of ZnO nanorods for MSR process was correlated to the terminated surfaces of ZnO crystallites. Copper (Cu), palladium (Pd) and gold (Au) nanoparticles infused ZnO nanorods were prepared by in-situ precipitation of the metals on the nanorods. 28% hydrogen selectivity was observed with Cu/ZnO nanorods (Cu/10Zn), while Pd/ZnO nanorods and (Pd/10Zn) showed slightly lower activity. Higher catalytic activity of copper and palladium impregnated ZnO nanorods can be attributed to the synergistic combination of bimetallic oxides. In contrast, Au/ZnO nanorods (Au/10Zn) showed very high activity for methanol dehydrogenation and higher than 97% methanol conversion was achieved for operating temperatures as low as 200 degrees C.

Place, publisher, year, edition, pages
Elsevier, 2012. Vol. 37, no 7, 5518-5526 p.
National Category
Nano Technology
Identifiers
URN: urn:nbn:se:kth:diva-175221DOI: 10.1016/j.ijhydene.2011.12.161ISI: 000303284000006Scopus ID: 2-s2.0-84858297708OAI: oai:DiVA.org:kth-175221DiVA: diva2:914386
Note

QC 20160401

Available from: 2016-03-23 Created: 2015-10-10 Last updated: 2017-01-13Bibliographically approved

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