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. 2013 Aug 14;3:2431. doi: 10.1038/srep02431

Figure 5. Electrochemical and electrocatalytic results of SG-PtNW-3 and commercial Pt/C catalysts.

Figure 5

(a) CV curves of Pt/C and SG-PtNW-3 in 0.1 M HClO4 solution saturated by N2 at a scan rate of 50 mV s−1. (b) Forward CV curves for SG-PtNW-3 and Pt/C catalysts in 0.1 M HClO4 solution saturated with O2 at a scan rate of 10 mV s−1 and electrode rotation speed of 1600 rpm. (c) ORR polarization curves and (d) Koutecky-Levich plots of SG-PtNW-3 at electrode rotation speeds of 400, 900, 1600, 2500 and 3600 rpm under the same conditions as (b). (e) Specific kinetic current densities (jk) of SG-PtNW-3 and Pt/C catalysts for ORR at different potentials. (f) Specific current densities of SG-PtNW-3 and Pt/C catalysts with the function of potentials toward MOR in 0.1 M HClO4 + 0.5 M CH3OH mixed solution at a scan rate of 50 mV s−1.