Electrooxidation of methanol on carbon nanotubes supported Pt-Fe alloy electrode
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TextSeries: ; ElectroChemistry Communications, 8(6), p.982-986, 2006Contained works: - Xu, J
- Hua, K
- Sun, G
- Wang, C
- Lv, X
- Wang, Y
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The synthesis and characterization of catalysts based on bimetallic materials, Pt-Fe supported on multi-walled carbon nanotubes (MWNTs)for methanol electrooxidation is reported here. The catalyst was prepared by a spray-cooling process and characterized by TEM, EDS, ICP and XRD. The electrocatalytic properties of the Pt-Fe/MWNTs electrode for methanol oxidation have been investigated by cyclic voltammetry and chronoamperometry. It presented higher electrocatalytic activity and stability than a comparative Pt/ MWNTs catalyst. This may be attributed to the addition of Fe which leads to the small average particle size and high utilization of Pt in the Pt-Fe/MWNTs catalyst. The results imply that the Pt-Fe/MWNTs composite has good potential applications in fuel cells.
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