Web Release Date: December 6,
Surface Structure Dependent Electro-oxidation of Dimethyl Ether on Platinum Single-Crystal Electrodes
and
Catalysis Research Center, Hokkaido University, Sapporo, Japan, Department of Chemistry, Faculty of Science, Harbin Institute of Technology, Harbin, China, and PRESTO, Japan Science and Technology Agency (JST), Japan
Received: October 3, 2007
Abstract:
The electro-oxidation of dimethyl ether (DME), which is regarded as a promising alternative fuel for fuel cells, on platinum single-crystal electrode surfaces in acidic solution has been characterized by electrochemical and in situ IR observations. It has been found that the electro-oxidation behavior of DME depends significantly on surface structures. The (100)-terrace shows a particularly high activity in DME electro-oxidation in which C-O bonding is supposed to be selectively cleaved on the (100) terraces.
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