Figure 11

The specific capacitance for CS@ZnO core-shell nanocomposites with different molar ratio versus cycle number: (a) ZnO nanoparticles, (b) CS@ZnO core-shell nanocomposites ratio of 0.5:1, (c) 0.75:1, (d) 1:1, (e) 1.25:1 and (f) 2.5:1, respectively.