From: Noble metal-free two dimensional carbon-based electrocatalysts for water splitting
Material | Application | Synthesis method | Electrolyte | Onset potential versus RHE (V) | Over potential versus RHE (V) | Tafel slope (mV dec−1) | References |
---|---|---|---|---|---|---|---|
B-doped graphene | HER | Sonication | 0.5Â M H2SO4 | 0.30 | 0.47 | 130 | [66] |
S-doped graphene | HER | Pyrolysis | 0.5 M H2SO4 | – | 0.57 | 78 | [71] |
NMPG | HER | Pyrolysis | 0.5 M H2SO4 | – | 0.23 | 109 | [170] |
N,P/graphene | HER | Annealing | 0.5 M H2SO4 | – | 0.42 | 91 | [75] |
N,P/graphene | HER | Pyrolysis | 0.5 M H2SO4 | – | 0.37 | 89 | [171] |
N,S/graphene | HER | CVD | 0.5Â M H2SO4 | 0.13 | 0.28 | 80.5 | [172] |
N,S/graphene | HER | Sonication | 0.5 M H2SO4 | – | 0.30 | 120 | [74] |
N,B-graphene | HER | Annealing | 0.1 M KOH | – | 0.17 | 82.1 | [86] |
CoNi/NC | HER | Annealing | 0.1 M H2SO4 | – | 0.14 | 105 | [173] |
CoP/carbon | HER | Hydrothermal | 0.5Â M H2SO4 | 0.07 | 0.11 | 56.7 | [174] |
Co/N-doped carbon | HER | Hydrothermal | 0.1Â M KOH | 0.06 | 0.25 | 126 | [175] |
VCN/Fe4N | HER | Carbonization | 0.1 M KOH | – | 0.17 | 80 | [153] |
Defect graphene | HER | Annealing | 0.5 M H2SO4 | – | 1.5 | 55 | [85] |
Ni@NC | HER | Annealing | 1.0Â M KOH | 0.07 | 0.2 | 160 | [176] |
Fe3C-graphene | HER | CVD | 0.5 M H2SO4 | – | 49 | 46 | [177] |
Mo2C/NC | HER | Pyrolysis | 1.0 M KOH | – | 60 | 60 | [178] |
N,S/carbon | HER | Pyrolysis | 0.5 M H2SO4 | – | 0.1 | 57.4 | [107] |