期刊
CATALYSIS LETTERS
卷 106, 期 3-4, 页码 107-110出版社
SPRINGER
DOI: 10.1007/s10562-005-9615-3
关键词
ammonia synthesis; MgO-CeO2 support; ruthenium catalyst; metal-support interaction; microstructure
Nanocomposite materials in MgO-CeO2 (Ce=0-100 mol%) system were prepared as the support materials for Ru-based ammonia synthesis catalysts, so that the resultant catalytic activity was enhanced by mixing them together compared with that of the MgO or CeO2 component was solely used as a support. Such high catalytic activity was due to two effects: electrodonating property of partially reduced CeO2-delta to Ru metal and strong metal-support interaction derived from the unique catalyst morphology in this study.
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