Table 2.
Phase engineering | Catalysts | Overpotential [mV] at 10 mA cm−2 | Stability | Reference |
---|---|---|---|---|
Binary metal oxides | 1T‐IrO2 | 197 | 45 h@ 50 mA cm−2 | Dang et al.[ 110 ] |
3R‐IrO2 | 188 | 511 h@ 10 mA cm−2 | Fan et al.[ 63 ] | |
γ‐MnO2 | 489±5 |
8000 h@ 10 mA cm−2 (pH 2) |
Li et al.[ 20b ] | |
Solid solution | Cr0.6Ru0.4O2 | 178 | 10 h@ 10 mA cm−2 | Lin et al.[ 113a ] |
W0.99Ir0.01O3−δ | 500±26 | 2000 s@ 10 mA cm−2 | Kumari et al.[ 117b ] | |
In0.17Ru0.83O2‐350 | 177 | 20 h@ 10 mA cm−2 | Chen et al.[ 116 ] | |
Co‐RuO2 nanorods | 169 | 50 h@ 10 mA cm−2 | Tian et al.[ 23b ] | |
Li0.52RuO2 | 156 | 70 h@ 10 mA cm−2 | Qin et al.[ 92 ] | |
Ru5W1Ox | 235 | 550 h@ 10 mA cm−2 | Wen et al.[ 38 ] | |
SnRuOx | 194 | 250 h@ 100 mA cm−2 | Shi et al.[ 10 ] | |
Ir0.3Cr0.7O2 | 255 | 200 h@ 10 mA cm−2 | Zhang et al.[ 113b ] | |
Mn1Co5Ox | 275 | ∼300 h@ 100 mA cm−2 | Zhang et al.[ 136 ] | |
Re0.06Ru0.94O2 | 190 | 200 h@ 10 mA cm−2 | Jin et al.[ 137 ] | |
RuNiMoCrFeOx/CNT | 219 | 100 h@ 100 mA cm−2 | Yu et al.[ 125 ] | |
M‐RuIrFeCoNiO2 | 189 | 120 h@ 10 mA cm−2 | Hu et al.[ 126 ] | |
IrFeCoNiCu‐HEA NPs | ∼302 | 12 h@ 10 mA cm−2 | Maulana et al.[ 120b ] | |
CoFeNiMoWTe | 373 | 100 h@ 10 mA cm−2 | Jo et al.[ 138 ] | |
(Ru0.2Ir0.2Cr0.2W0.2Cu0.2)O2 | 220 | 12 h@ 10 mA cm−2 | Miao et al.[ 139 ] | |
ZnNiCoIrMn | 237 | 100 h@ 10 mA cm−2 | Kwon et al.[ 120a ] | |
Polynary metal oxides | Y2Ir2O7 | / | 24 h@ 10 mA cm−2 | Shih et al.[ 128a ] |
Y2Ru2O7−δ | / | 8 h@ 1 mA cm−2 | Kim et al.[ 129 ] | |
Bi2Ir2O7 | / | / | Lebedev et al.[ 128b ] | |
6H‐SrIrO3 | 248 | 30 h@ 10 mA cm−2 | Yang et al.[ 133 ] | |
Sr2IrO4 NSs (HION) | 300 | 30 h@ 10 mA cm−2 | Chen et al.[ 134 ] | |
Co2MnO4 | 298 | 1500 h@ 200 mA cm−2 | Li et al.[ 20a ] | |
Co2TiO4 | 513 | / | Anantharaj et al.[ 135 ] |