From: Hydrogen production from water electrolysis: role of catalysts
Catalysts | Electrolyte | η (mV) | I (mA cm−2) | Tafel slope (mV dec−1) | Stability | Refs. |
---|---|---|---|---|---|---|
PtNi–Ni NA/CC | 0.1 M KOH | 38 | 10 | 42 | 90 h | [35] |
PtNi–O/C | 1 M KOH | 39.8 | 10 | 78.8 | 10 h | [36] |
PtNi(N) NW | 1Â M KOH | 13 | 10 | 29 | 10Â h | [37] |
Mo2C-R | 1Â M KOH | 200 | 30 | 45 | Â | [38] |
0.5Â M H2SO4 | 200 | 32 | 58 | 2000 cycle | Â | |
Mo2C-GNR | 0.5Â M H2SO4 | 167 | 10 | 63 | 3000 cycles | [39] |
1Â M NaOH | 217 | 10 | 64 | 3000 cycles | Â | |
1Â M PBS | 266 | 10 | 74 | 3000 cycles | Â | |
Ni2P/Ti | 0.5Â M H2SO4 | 130 | 20 | 46 | 500 cycles | [40] |
NiCo2Px | 1Â M KOH | 58 | 10 | 34.3 | 5000 cycles | [41] |
1Â M PBS | 63 | 10 | 63.3 | 5000 cycles | Â | |
0.5Â M H2SO4 | 104 | 10 | 59.6 | 5000 cycles | Â | |
Defect-rich MoS2 | 0.5Â M H2SO4 | 200 | 13 | 50 | 10,000Â s | [42] |
CoS2 NW | 0.5Â M H2SO4 | 145 | 10 | 51.6 | 3Â h | [43] |
CoS2 MW | 0.5Â M H2SO4 | 158 | 10 | 58 | 41Â h | Â |
Oxygenated MoS2 | 0.5Â M H2SO4 | 120 | Onset | 55 | 3000 cycles | [44] |