Synthesis of ZnO/Polypyrrole Nanoring Composite as High-Performance Anode Materials for Lithium Ion Batteries

Figure 7

Electrochemical performance of ZnO/PNR electrode: (a) the initial three discharge and charge curves, (b) cycle performance at 200 mA g^-1 between 0.01 V and 3.0 V, and (c) discharge rate performance at different current densities.

(a)

(b)

(c)