Abstract
Platinum nanoparticle-multi-walled carbon nanotube (Pt-MWCNT) nanocomposite films supported on titanium substrate were prepared by the co-electrodeposition method. This nanocomposite catalyst was characterised by scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy and electrochemical methods. The SEM images reveal that nanostructures are distributed at the surface of the titanium plate. Electro-oxidation of methanol was investigated in acidic media on Pt-MWCNTs/Ti electrodes via cyclic voltammetric analysis in the mixed 0.1 M methanol and 0.1 M H2SO4 solutions. The Pt-MWCNTs/Ti catalyst has good electro-catalytic activity for methanol oxidation. This novel Pt-MWCNTs/Ti catalyst can be used repeatedly and exhibits stable electro-catalytic activity for the methanol oxidation.
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