Research Article

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

Figure 9

Variation of the EE of pristine GF and hydroxyl MWCNTs/GF-based single cells operating at the current density range of 80 mA/cm2 to 150 mA/cm2.