Figure 7
(a) Cyclic voltammograms of the N-doped and metal/N-doped carbon catalysts in Ar-saturated 0.5 M H2SO4 at 50 mV/s. (b) Plots of I vs. t−1/2 for oxygen reduction of different carbon catalysts.
Figure 7 | Scientific Reports
(a) Cyclic voltammograms of the N-doped and metal/N-doped carbon catalysts in Ar-saturated 0.5 M H2SO4 at 50 mV/s. (b) Plots of I vs. t−1/2 for oxygen reduction of different carbon catalysts.
