Fig. 4From: Highly Active and Stable Fe-N-C Oxygen Reduction Electrocatalysts Derived from Electrospinning and In Situ Pyrolysisa CV curves of FN-800. b LSV curves of FN-800, F-800, N-800, and Pt/C in 0.1 M KOH solution. c RDE curves of FN-800 at various rotation rates. d The corresponding K–L plots (J−1 vs. ω−1/2) at different potentials. e LSV curves of FN-800 in 0.1 M KOH solution: initial and after 5000 cycles. f Methanol tolerance test of FN-800Back to article page