Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 10, Issue 9, Pages 1315-1317Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2008.06.023
Keywords
PtSn/CeO2-C; alcohol-reduction process; ethanol electro-oxidation; direct ethanol fuel cell
Categories
Funding
- MCT-FINEP ProH2
- CNPq
- FAPESP
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PtSn/CeO2-C electrocatalysts were prepared by an alcohol-reduction process using ethylene glycol as solvent and reduction agent and CeO2 and Vulcan Carbon XC72 as supports. The electrocatalysts were characterized by EDX and XRD. The electro-oxidation of ethanol was studied at room temperature by chronoamperometry. PtSn/CeO2-C electrocatalyst with 15 wt% of CeO2 showed a significant increase of performance for ethanol oxidation compared to PtSn/C catalyst. Preliminary tests at 100 degrees C on a single cell of a direct ethanol fuel cell (DEFC) also confirm the results obtained by chronoamperometry. (C) 2008 Elsevier B.V. All rights reserved.
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