期刊
CATALYSIS LETTERS
卷 75, 期 1-2, 页码 61-64出版社
SPRINGER
DOI: 10.1023/A:1016640403020
关键词
nanometer catalysts; mu m supporting particles; exothermic reactions; local temperature; heat transfer
Employing modern fabrication technologies, one can prepare catalysts consisting of nm metal crystallites deposited on mum oxide particles located on a planar oxide or metal support. We derive general equations for estimation of the time scales characterizing dissipation of heat released in exothermic reactions occurring on such catalysts. Using the results obtained, we show that in such systems overheating of oxide particles is usually negligible.
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