Hydrogen production from water electrolysis: role of catalysts

Nano Convergence

Table 2 Summary of the OER performance of the reported electrocatalysts

Catalysts	Electrolyte	η (mV)	I (mA cm⁻²)	Tafel slope (mV dec⁻¹)	Stability	Refs.
Cu-doped RuO₂	0.5 M H₂SO₄	188	10	43.96	10,000 cycles	[58]
IrNi NPNW	0.1 M HClO₄	283	10	56.7	200 min	[59]
IrCo NPNW	0.1 M HClO₄	295	10	60.3
IrFe NPNW	0.1 M HClO₄	302	10	68.5
IrNiCu DNF	0.1 M HClO₄	300	10	48	2500 cycles	[60]
IrO₂ NN	1 M H₂SO₄	313	10	57	200 h	[61]
Au₄₀Co₆₀ NPs	0.1 M KOH	175	10	65	1 h	[62]
G-FeCoW	1 M KOH	191	10		500 h	[63]
Plasma-engraved Co₃O₄	0.1 M KOH	153	10	68	2000 cycles	[64]
NiFe-LDH NPs	0.1 M KOH	151	30	50	10 h	[65]
Ni_0.83Fe_0.17(OH)₂	1 M KOH	245	10	61	10 h	[66]
Ni_xFe_1−xSe₂-DO	1 M KOH	195	10	28	24 h	[67]