Fig. 10From: Nanochannel-Controlled Synthesis of Ultrahigh Nitrogen-Doping Efficiency on Mesoporous Fe/N/C Catalysts for Oxygen Reduction Reactiona Disk and ring currents obtained with LSVs on RRDE for N/C-900, Fe/N/C-900, m-Fe/N/C-900, and Pt/C (20 wt.%) in O2-saturated 0.1 mol l-1 KOH solution. b The corresponding electron transfer number and H2O2 yield of N/C-900, Fe/N/C-900 m-Fe/N/C-900, and Pt/C (20 wt.%) derived from aBack to article page