Table 2 HER electrocatalysts in alkalic media reported recently.

From: Ruthenium-cobalt nanoalloys encapsulated in nitrogen-doped graphene as active electrocatalysts for producing hydrogen in alkaline media

Catalyst

electrode

Loading amount (mg cm−2)

Electrolyte

Overpotential at 10 mA cm−2 (mV)

Tafel plots (mV dec−1)

Reference

S-4

GHE

0.275

1 M KOH

28

31

This work

NiO/Ni-CNT

GHE

0.28

1 M KOH

80

82

Nat. Commun., 20146

Ni/NixPy

Ni foam

N/A

1 M KOH

130 (with iR-correction)

58.5

Adv. Funct. Mater., 201618

NF-Ni3Se2/Ni

Ni foam

8.87

1 M KOH

203 (with iR-correction)

79

Nano Energy, 201619

Pt13Cu73Ni14/CNF@CF

CNF@CF

N/A

1 M KOH

148 (η5)

54

ACS Appl Mater Interfaces, 201621

Pd-CNx

GCE

0.28

0.5 M KOH

180 (η5)

150

ACS Catalysis, 201625

Mo2C@N-C

GCE

0.28

1 M KOH

60

N/A

Angew Chem Int Ed Engl, 20154

Ni–Mo–N

GCE

1

1 M KOH

43 (η20)

40

Nano energy, 20162

MoO2/CC

Carbon paper

2.9

1 M KOH

100 (with iR-correction)

41

Adv. Mater., 20169

MoOx/Ni3S2 /NF

Ni foam

12

1 M KOH

110 (η15)

90

Adv. Funct. Mater., 201617

CoOx@CN

Ni foam

0.42

1 M KOH

232

N/A

J. Am. Chem. Soc., 201556

CoP2/RGO

GCE

0.285

1 M KOH

88(with iR-correction)

50

J. Mater. Chem. A, 201653

CoP/rGO-400

GCE

0.28

1 M KOH

150

38

Chem. Sci., 201654

c-CoSe2/CC

Carbon cloth

N/A

1 M KOH

190(with iR-correction)

85

Adv. Mater., 201622

N-Co@G

GCE

0.285

0.1 M NaOH

337

N/A

ACS Appl Mater Interfaces, 201555

WC-CNTs

Si wafer

N/A

0.1 M KOH

137

106

ACS Nano, 20151

  1. HER, hydrogen evolution reaction.
  2. Some of the information was not specified in the literature and was estimated according to the data graphs.
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