Table 3. TOFs of Fe-14MR/C and FePc/C for the ORR at 0.75 V vs RHEa.
| sample | TOF/e site–1 s–1 |
|---|---|
| Fe-14MR/C | 0.39 |
| FePc/C | 0.08 |
TOF = i/d/F, where i is the current per unit catalyst weight (A g–1) at 0.75 V vs RHE, d is the electrochemically active Fe density (mol g–1), and F is the Faraday constant (C mol–1).