期刊
JOURNAL OF APPLIED ELECTROCHEMISTRY
卷 39, 期 7, 页码 1153-1156出版社
SPRINGER
DOI: 10.1007/s10800-008-9772-3
关键词
PtSn/CeO2-C; Alcohol-reduction process; Ethanol oxidation; Fuel cell; FTIR spectroscopy
资金
- FINEP-ProH2
- CNPq
- FAPESP
PtSn/CeO2-C electrocatalyst was prepared in a single step by an alcohol-reduction process using ethylene glycol as solvent and reducing agent and CeO2 (15 wt%) and Vulcan XC72 (85 wt%) as supports. The performance for ethanol oxidation was investigated by cyclic voltammetry and in situ FTIR spectroscopy. The electrocatalytic activity of the PtSn/CeO2-C electrocatalyst was higher than that of the PtSn/C electrocatalyst. FTIR studies for ethanol oxidation on PtSn/C electrocatalyst showed that acetaldehyde and acetic acid were the principal products formed, while on PtSn/CeO2-C electrocatalyst the principal products formed were CO2 and acetic acid.
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