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ORR potentials and reaction rate constants obtained from the linear sweep measurements recorded at ν = 50 mV/s.
| Epeak vs Li/Li+ [V] |
 [10−4 cm/s] |
|
| Carbon (C) | 2.58 ± 0.02 | 1.2 ± 1.1 |
| Mn3O4/C | 2.58 ± 0.08 | 2.6 ± 1.3 |
| Mn5O8/C | 2.58 ± 0.07 | 2.7 ± 2.3 |
| α-Mn2O3/C | 2.68 ± 0.05 | 4.5 ± 2.5 |
