Substantial Electrocatalytic Oxygen Evolution Performances of Activated Carbon-Decorated Vanadium Pentoxide Nanocomposites

Table 1

Comparison of the OER activities for the V₂O₅ and AC-V₂O₅ catalysts with previously reported metal oxide-based electrocatalysts.

Catalyst	Current density (mA/cm^2)	Overpotential (mV)	Tafel slope (mV/dec)	Electrolyte	Reference
AC-V2O5	10	230	54	1 M KOH	This work
V2O5	10	310	178	1 M KOH	This work
V2O5/CFP	10	528	131	1 M KOH	[11]
Polycrystalline V2O5	10	310	88	1 M KOH	[17]
MOF-V2O5	50	430	50.3	1 M KOH	[71]
Co2V2O7	10	340	62	1 M KOH	[72]
AC-NiO	10	320	49	1 M KOH	[41]
Co3O4/N-rmGO	10	310	67	1 M KOH	[73]
CNT-La(OH)3	10	310	39	1 M KOH	[5]
Fe-doped Co3V2O8	10	307	36	1 M KOH	[74]
WO3/B-AC	10	320	48	1 M KOH	[9]
MoO3/Ni-NiO	100	347	96	1 M KOH	[75]
NiCo LDH	10	367	40	1 M KOH	[76]
Fe3O4@Co9S8/rGO	10	320	54.5	1 M KOH	[77]
VOx/Ni3S2	10	358	82	1 M KOH	[78]
d-Ti3C2/V2O5	10	240	52	1 M KOH	[10]
CoV2O6-V2O5/NRGO	10	239	49.7	1 M KOH	[35]