Table 1 Comparison of the efficiency of HER based on Pt and Au electrodes in H2SO4 electrolytes.

From: Innovative Strategy on Hydrogen Evolution Reaction Utilizing Activated Liquid Water

Electrode

Current density (j, mA cm−2)

Overpotential at the corresponding j

[H2SO4]

ref.

Pt/Cc

10.7

−0.3 V

0.50 M

31

Pt (Au NT water)

22.8

−0.3 V

0.50 M

This work

 

80.7

−0.4 V

  

Pt (Au NT water-LED)

27.2

−0.3 V

0.50 M

This work

 

100.2

−0.4 V

  

Pt/Nanoporous Au

45

−0.4 V

0.50 M

32

Pt/4-sulfophenyl/GC

1.77

−0.4 V

0.50 M

33

PW12O403-/PtNP/ITO

5.3

−0.4 V

0.50 M

34

Pd60Pt40b

64

−0.4 V

0.50 M

35

Ppy0.2(Pt)/Ptc

1.4

−0.3 V

0.05 M

36

Pt (Au NT water)

3.2

−0.3 V

0.05 M

This work

Pt (Au NT water-LED)

3.7

−0.3 V

0.05 M

This work

Au

43

−0.8 V

0.50 M

32

Nanoporous Au

62

−0.8 V

0.50 M

32

ORC-Au in situ (LED)

79.3

−0.8 V

0.50 M

This work

  1. aReference electrode of RHE transfers into Ag/AgCl; Evs RHE = Evs Ag/AgCl + E0Ag/AgCl + 0.059 pH (at 298 K).
  2. bReference electrode of NHE transfers into Ag/AgCl; Evs NHE = Evs Ag/AgCl + E0Ag/AgCl + 0.059 pH (at 298 K).
  3. cReference electrode of SCE transfers into Ag/AgCl; Evs RHE = Evs SEC + E0SEC + 0.059 pH (at 298 K).