Skip to main content

Table 1 Summary of noble metal-free 2D carbon-based electrocatalysts for HER

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

0.5 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

0.5 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

0.5 M H2SO4

0.07

0.11

56.7

[174]

Co/N-doped carbon

HER

Hydrothermal

0.1 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

1.0 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]