Figure 2

ORR activity at 5 mV.s−1 in 0.5 M H2SO4 for the (A) introduced FeNi-decorated and N-doped graphene, (B) Pt/C (20 wt%), and (C) FeNi NPs.

ORR activity at 5 mV.s−1 in 0.5 M H2SO4 for the (A) introduced FeNi-decorated and N-doped graphene, (B) Pt/C (20 wt%), and (C) FeNi NPs.