Effect of cations in solution on the oxidation of methanol on the surface of platinum electrode |
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| Authors: | Xiaochun Zhou Changpeng Liu |
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| Affiliation: | State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Graduate School of the Chinese Academy of Science, 5625 Renmin Street, Changchun 130022, PR China |
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| Abstract: | The effect of metal cations in solution on the oxidation of methanol on the electrode surface of platinum is a neglected aspect to direct methanol fuel cell (DMFC). In this paper, a smooth platinum electrode absorbing metal cations as the working electrode was applied to investigate the methanol oxidation with the cyclic voltammetry (CV) in 1.0 mol L−1 H2SO4. From the analysis of experiment, it is found that the cations, Li+, Ce4+, Mn2+, Ni2+, Cu2+, have some negative effect on the catalytic oxidation of methanol on the surface of platinum. The degree of the effect from different cations was analyzed. |
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| Keywords: | Platinum electrode Methanol Electro-catalysis Cations DMFC |
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