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Electrooxidation of methanol on carbon nanotubes supported Pt-Fe alloy electrode

Tipo de material: TextoTextoSeries ; ElectroChemistry Communications, 8(6), p.982-986, 2006Trabajos contenidos:
  • Xu, J
  • Hua, K
  • Sun, G
  • Wang, C
  • Lv, X
  • Wang, Y
Tema(s): Recursos en línea: Resumen: 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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Documentos solicitados Documentos solicitados CICY Documento préstamo interbibliotecario Ref1 B-7866 (Browse shelf(Opens below)) Available

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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