Fig. 5.

Electrochemical performance of the S−M_xS_y@G/CNT composite electrodes. (A) Galvanostatic charge/discharge voltage profiles of the S−VS₂@G/CNT composite electrodes at different current densities within a potential window of 1.5 V to ∼2.8 V vs. Li⁺/Li⁰. (B) Comparison of the specific capacity and polarization voltage between the charge and discharge plateaus at 0.2 C for different composite electrodes. (C) Cycling performance and coulombic efficiency of the different composite electrodes at 0.5 C for 300 cycles.