Table 1. Comparison of Different Catalysts for Electrochemical Reduction of H2O2.
| catalysts | electrolyte concentration NaOH (M) | H2O2 concentration (M) | potential (V) | current density (mA cm–2) | reference |
|---|---|---|---|---|---|
| PdCoMn2O4 | 3.0 | 0.7 | – 0.80 | 580 | (8) |
| Pd@Co3O4/Ti | 3.0 (KOH) | 0.4 | – 0.40 | 145.8 | (14) |
| Pd–Co3O4/ RGO@PI | 2.0 | 0.5 | – 0.80 | 962 | (17) |
| Pd/rGO/NF | 3.0 | 0.5 | – 0.50 | 303 | (30) |
| Pd@SnO2/Ni | 3.0 | 0.5 | – 0.54 | 320 | (37) |
| PRN (Pd/rGO/Ni) | 2.0 | 0.5 | – 0.60 | 450 | (38) |
| Pd-CNT/Ni foam | 3.0 (KOH) | 0.4 | – 0.80 | 323 | (39) |
| CoPd@graphite | 1.0 | 1.4 | – 0.60 | 270 | (40) |
| Co/Co3O4 | 3.0 | 0.5 | – 0.40 | 425 | (41) |
| NiCo2O4@Ni foam | 3.0 (KOH) | 0.4 | – 0.60 | 330 | (42) |
| Pt–Co NS@C sponge | 3.0 (KOH) | 1.5 | – 0.50 | 353 | (43) |
| NanoAg | 1.0 | 0.125 | – 0.15 | 23.92 | (44) |
| Zn@Pd/CNT | 3.0 | 0.5 | – 0.30 | 835 | this work |