fig4

Figure 4. (A) LSV curves, (B) corresponding E_onset, E_1/2 and J_L, and (C) Tafel plots of FePc, FePc/Se@NiFe and 20% Pt/C in O₂-saturated 0.1 M KOH at 1,600 rpm, (D) Calculated n and H₂O₂ yield, (E) LSV recorded before and after ADT for 5,000 cycles, and (F) ORR I-T tests of FePc/Se@NiFe and 20% Pt/C.