Electro-oxidation of ethylene glycol on PtSn/C and PtSnNi/C electrocatalysts |
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| Authors: | Almir Oliveira Neto Marcelo Linardi Estevam V Spinacé |
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| Institution: | 1. Instituto de Pesquisas Energéticas e Nucleares-IPEN/CNEN-SP, Av. Prof. Lineu Prestes, 2242, Cidade Universitária, 05508-900, S?o Paulo, Brazil
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| Abstract: | A PtSn/C electrocatalyst with a Pt–Sn molar ratio of 50:50 and A PtSnNi/C electrocatalyst with a Pt–Sn–Ni molar ratio of 50:40:10 were prepared by alcohol-reduction process using ethylene glycol as solvent and reducing agent. The electrocatalysts were characterized by energy dispersive X-ray, X-ray diffraction, and cyclic voltammetry. The electro-oxidation of ethylene glycol was studied by cyclic voltammetry and chronoamperometry using the thin porous coating technique. PtSnNi/C electrocatalyst showed a superior performance compared to PtSn/C electrocatalysts in the potential range of interest for a direct ethylene glycol fuel cell. |
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| Keywords: | PtSn/C PtSnNi/C Alcohol-reduction process Electro-oxidation Ethylene glycol Fuel cell |
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