Abstract:: This work explored the catalytic effect of Pt in multi-wall carbon nanotube and poly-pyrrole conductive polymer electrocatalysts (Pt/PPy/MWCNT). A home-made Pt/PPy/MWCNT catalyst was first evaluated by comparing its electrochemical active surface area (ESA) with E-Tek commercial catalysts by cyclic voltammetry in H 2 SO 4 solution. Then, the methanol oxidation currents of Pt/PPy/MWCNT and the hydrogen peaks in H 2 SO 4 solution were serially measured with microporous electrode. This provided the current dens… Show more
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