Facile Synthesis of Graphene/ZnO Composite as an Anode with Enhanced Performance for Lithium Ion Batteries

Figure 3

The first discharge/charge curves for graphene and graphene/ZnO composite (a), cycle performance of graphene sheets, graphene/ZnO, and pure ZnO at 100 mA g⁻¹ (b), EIS spectra of graphene/ZnO and graphene after 2nd cycle discharge/charge (c).

(a)

(b)

(c)