Improving Electrochemical Activity in a Semi-V-I Redox Flow Battery by Using a C–TiO₂–Pd Composite Electrode

Figure 4

Cyclic voltammograms for 0.01 M iodine solution with 1 wt% of vitamin C on different electrodes: (a) C, (b) C–Pd, (c) C–TiO₂, (d) C–Pd–TiO₂, and (e) C–TiO₂–Pd.

(a)

(b)

(c)

(d)

(e)