Figure 8

(a) EIS spectra of 0%-MWCNTs@TiO₂-S, 50%-MWCNTs@TiO₂-S, 100%-MWCNTs@TiO₂-S composites electrodes before cycling, and (b) EIS spectra of 50%-MWCNTs@TiO₂-S before and after the 20^th cycle. The experimental results were labeled with scatter plot and the fitting results were labeled with line.