193201.fig.006
Figure 6: Galvanostatic charge/discharge curves of I-film under different current densities. (a) 0.5 mA/cm2; (b) 1 mA/cm2; (c) 1.5 mA/cm2; (d) 2 mA/cm2; (e) 3 mA/cm2; (f) 6 mA/cm2.