A Comprehensive Study on Hydroxyl Multiwalled Carbon Nanotubes Used as Catalysts for VO₂⁺/VO²⁺ Reaction in Vanadium Redox Flow Battery

Table 3

Parameters obtained from CV tests with different catalysts at a scan rate of 20 mV/s.

Samples	Peak potential separation ( (mV))	Reduction peak current (Ipc (μA))	Oxidation peak current (Ipa (μA))
GCE	1100.13	−15.31	30.45
MWCNTs/GCE	153.43	−38.22	45.53
Hydroxyl MWCNTs/GCE	81.52	−53.61	64.34