Abstract
Multiwalled carbon nanotubes (NTs) have been used as an attractive support of catalytic metallic particles for methanol electrooxidation in acidic medium. Pt–Ru (50:50) nanoparticles were deposited on the different type of nanotubular materials to select the best support and to estimate the efficiency of CH 3OH oxidation. Pt–Ru supported on NTs graphitized at 2500 °C supply the optimal voltage/current characteristics with a maximum current load of 2.7 A/g. Mesoporous network of nanotubes combined with their excellent conducting properties allows a quick transport and easy accessibility of the reagent molecules to the catalytic sites of electrode interface giving a good performance of methanol anode.
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