Research Article

Organic Solvent’s Effect in the Deposition of Platinum Particles on MWCNTs for Oxygen Reduction Reaction

Figure 6

Current-potential curves for ORR in O2 saturated 0.5 M HClO4 at a rotating rate of 1000 rpm with MWCNT/Pt-C6 (green line), MWCNT/Pt-C7 (blue line), MWCNT/Pt-C8 (red line), and Pt/C commercial (black line) catalysts at 25°C at 5 mV s−1. Insert: comparisons of the mass activities at 0.90 V.