Enhanced electro-oxidation of ethanol using PtSn/CeOsub(2)-C electrocatalyst prepared by an alcohol-reduction process
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Electrochemistry Communications
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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 °C on a single cell of a direct ethanol fuel cell (DEFC) also confirm the results obtained by chronoamperometry.
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OLIVEIRA NETO, ALMIR; FARIAS, LUCIANA A.; DIAS, RICARDO R.; BRANDALISE, MICHELE; LINARDI, MARCELO; SPINACE, ESTEVAM V. Enhanced electro-oxidation of ethanol using PtSn/CeOsub(2)-C electrocatalyst prepared by an alcohol-reduction process. Electrochemistry Communications, v. 10, p. 1315-1317, 2008. DOI: 10.1016/j.elecom.2008.06.023. Disponível em: http://repositorio.ipen.br/handle/123456789/5022. Acesso em: 30 Dec 2025.
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