Fig. 4

(a) Cyclic voltammograms of VO2+ at increasing molar concentrations (6.58 × 10− 4 to 3.13 × 10− 3 M) in 0.1 M KCl at 303.15 K. (b) Relationship between cathodic anodic and peak heights for increasing VO2+ ions concentrations.

(a) Cyclic voltammograms of VO2+ at increasing molar concentrations (6.58 × 10− 4 to 3.13 × 10− 3 M) in 0.1 M KCl at 303.15 K. (b) Relationship between cathodic anodic and peak heights for increasing VO2+ ions concentrations.