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

Table 2

D_o and C_d of the iodine-vitamin C electrolyte solution on various electrodes.

Electrodes	D0 × 10^6 (cm^2/s)	Cd (F/cm^2)
	Iodine/1 wt% vitamin C electrolytes	Iodine/1 wt% vitamin C electrolytes
C electrode	12.8	0.132
C-Pd electrode	14.3	0.143
C-Pd-TiO2 electrode	9.9	0.148
C-TiO2-Pd electrode	20.4	0.249