Table 4.
Comparation of Fe-N-PC with Fe2N/C catalysts and pomelo peel-derived carbon materials for oxygen reduction reaction (ORR) reported recently. In the table, reversible hydrogen electrode was abbreviated as RHE. GO stands for graphene oxide.
| Catalysts | Raw Materials | Onset Potential (V vs. RHE) | Half-Wave Potential (V vs. RHE) | Stability Result (%) | Methanol Tolerance Result (%) | Reference |
|---|---|---|---|---|---|---|
| ZIF-67@NPC-2 | Pomelo peel, cobalt(II) acetate, methyl-imidazole | 0.89 | 0.82 | 82.0 (6000 s) | 95.7 (3 M) | [16] |
| Fe3C/WC/GC | Pomelo peel, K4Fe(CN)6, Na2WO4 | - | - | - | - | [17] |
| Fe2N/MNGCS | Dopamine, NH3·H2O | 0.881 | - | 95.2 (60,000 s) | 70.7 (4 M) | [20] |
| FeGH-ArNH3 | Fe3O4, histidine, Fe(NO3)3·9H2O, d-glucose | 0.80 | - | 94.4 (6000s) | >Pt/C | [24] |
| FexN/NGA | GO, iron (II) phthalocyanine | >Pt/C | - | 91.0 (20,000 s) | ~100 | [25] |
| Fe2N/N-GAs-20 | FeCl3·6H2O, sodium alginate, graphene | 1.02 | 0.93 | 90.0 (9 h) | ~100 | [29] |
| Fe2N@NPC-500 | 1,3,5-benzenetricarboxlic acid, N,N-Dimethylformamide, Fe(NO3)3·3H2O | 0.93 | 0.79 | 90.0 (25,000 s) | ~100 | [33] |
| Fe–N-CNBs | FeCl3, fructose, magnesium powder, magnesium ribbon | 1.03 | 0.875 | 83.0 (30,000 s) | ~100 | [34] |
| Fe2N/NGC-1000 | FeCl2, polyacrylic weak-acid cation-exchanged resin | 0.83 | 0.95 | - | - | [37] |
| Fe-N-PPC | Pomelo peel, FeCl3·6H2O, ammonia | 0.966 | 0.891 | 79.6 (20,000 s) | 97.2 (3 M) | This work |