▎ 摘　　要

We demonstrated the preparation of graphene oxide (GO) decorated Co3V2O8 to form (Co3V2O8/rGO) composite through a facile approach combining hydrothermal synthesis with thermal reduction. The 'XRD, Raman, XPS, SEM, (HR-)TEM, and electrochemical performance tests were used to study the relationship between the physical character and the electrochemical properties of the electrode material. As the anode material, the Co3V2O8/rGO delivered excellent lithium storage properties, stable cycle performance, and high rate capability (1 208 mAh"g' at 200 mA.g(-1) after 100 cycles). It is demonstrated that an enhanced cycle performance can be acquired because graphene can accelerate the electron diffusion among the Co3V2O8 active particles, prevent the aggregation of Co3V2O8 particles, and effectively accommodate the volume variation during the discharge/charge process and offer short pathways for the ions as well as electrons. Meanwhile, the incorporation of the Co3V2O8 particles suppress the stack of graphene layer.