Sb2O4/reduced graphene oxide composite as high-performance anode material for lithium ion batteries

Abstract

Sb2O4/reduced graphene oxide (Sb2O4/rGO) composite was synthesized through a facile one-step solvothermal approach using Sb2O3 and graphene oxide as raw material. Characterization shows that Sb2O4 nanoparticles were uniformly anchored on rGO sheets, and the obtained Sb2O4/rGO composite delivered a high reversible specific capacity of 1170 mA h g−1 and a good cyclability of 798 mA h g−1 after 200 cycles at a current of 100 mA g−1 when used as a candidate anode material for lithium-ion batteries, benefiting from the enhanced electrochemical activity of Sb2O4 nanoparticles, the maximum utilization of conductive rGO sheets, and also the synergistic effect between them.