Fig. 3
Electrochemical performance of the pure SnS2 and 3D SnS2 QDs/rGO composite electrodes for LIBs: a, b CV curves of the pure SnS2 and 3D SnS2 QDs/rGO composite electrodes at a scan rate of 0.1 mV/s for the first five cycles. c Charge/discharge curves of the pure SnS2 composite electrode and d the 3D SnS2 QDs/rGO composite electrode at a current density of 0.1 A/g in the voltage range of 0.01–3.0 V vs. Li+/Li. e Rate performance of the 3D SnS2 QDs/rGO and pure SnS2 composite electrodes at rates ranging from 0.1 to 1 A/g. f Comparison of electrochemical performance between the 3D SnS2 QDs/rGO composite (the current study) and previously reported SnS2-based material composite. g Cycling performances of 3D SnS2 QDs/rGO and pure SnS2 composite electrodes at a current density of 0.1 A/g. h Cycling performance and Coulombic efficiency of 3D SnS2 QDs/rGO composite electrode at a current density of 0.5 A/g