fig11
Figure 11. (A) Coverages of the ORR intermediates on the Fe center as a function of U. (B) Simulated ORR polarization curves of Fe-N-C catalysts based on FeN4 and Fe(OH)N4 centers. These figures are quoted with permission from Wang et al.[117]. (C) Gibbs free energy diagram for ORR. (D) Linear relation between Bader charge of the mental and binding energy of ORR intermediates. (E) Linear relation between Bader charge of mental and overpotential. These figures are quoted with permission from Xiao et al.[118].
