Table 3.
Onset (Eon) and half wave potentials (E1/2) of the catalysts towards oxygen reduction reaction in neutral media.
| Eon | E1/2 | |
|---|---|---|
| Catalyst | (V vs Ag/AgCl)) | (V vs Ag/AgCl)) |
| Fe-AApyr | 0.31 | 0.16 |
| Co-AApyr | 0.27 | 0 |
| Mn-AApyr | 0.21 | −0.1 |
| Ni-AApyr | 0.11 | −0.12 |
| AC | 0.06 | −0.18 |