Characterization of Pt-Pd/C Electrocatalyst for Methanol Oxidation in Alkaline Medium
Figure 5
(a) and (b) Cyclic voltammograms for methanol oxidation on Pt-Pd/C electrode in 0.5 M NaOH at various methanol concentrations at 25°C and sweep rate of 50 mV s−1. (b-Inset) Variation of onset potentials for methanol oxidation with methanol concentration. (c) Plot of log (peak current) versus log [MeOH] for methanol oxidation on Pt-Pd/C electrode in 0.5 M NaOH with various methanol concentrations. (d) Variation of anodic peak potential () for methanol oxidation on Pt-Pd/C catalyst with methanol concentration.