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1110251 
Journal Article 
Electrochemical oxidation of ethylene glycol on Pt-based catalysts in alkaline solutions and quantitative analysis of intermediate products 
Miyazaki, K; Matsumiya, T; Abe, T; Kurata, H; Fukutsuka, T; Kojima, K; Ogumi, Z 
2011 
Yes 
Electrochimica Acta
ISSN: 0013-4686 
56 
22 
7610-7614 
WOS:000295303700026 
Electrocatalytic activities of Pt/C, Pt-Ru/C, and Pt-Ni/C for the oxidation of ethylene glycol in a basic solution are evaluated by cyclic voltammetry and quasi-steady state polarization. Based on the results of Tafel slopes from quasi-steady state polarization, the catalytic activities for ethylene glycol oxidation are in the order of Pt-Ru/C > Pt-Ni/C > Pt/C. The analysis of intermediate products for ethylene glycol oxidation by higher performance liquid chromatograph (HPLC) demonstrates that the degree of ethylene glycol oxidation is dependent on catalysts. Pt-Ru/C shows the highest current densities for ethylene glycol oxidation, but shows lower fuel utilization. On the other hand, Pt-Ni/C shows higher ability to cleavage C-C bonds, but is suffered from catalyst poisoning. To improve the tolerance for catalyst poisoning, we construct a novel Pt-Ni-SnO(2)/C catalyst, compare its catalytic activities, and evaluate the intermediates. Pt-Ni-SnO(2)/C shows superior catalytic activities for ethylene glycol oxidation, resulting in the highest degree of complete electro-oxidation of ethylene glycol to CO(2). (C) 2011 Elsevier Ltd. All rights reserved. 
Anion exchange membrane fuel cells; Pt-based alloy catalysts; Ethylene glycol; Direct alcohol 
• Methanol (Non-Cancer)
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