Facile Synthesis and Electrochemical Study of TiO2/MoS2/SnS as a High-Performance Supercapacitor Electrode Material

Abstract

TMCs have established themselves as potential electrodes for pseudocapacitors because of their superior redox activity, short transport pathways, varied morphological, better cyclability and numerous electrochemical active sites. FTIR, XRD, XPS, SEM, EDS, BET and TGA were used for the characterization of prepared materials. A ternary composite (TiO2/MOS2/SnS) electrode material was produced using a hydrothermal method. This electrode at 1 A/g showed a high capacitance of 1519 F/g. The material maintained impressive cyclic reliability, retaining 92.77% capacity after 10,000 (GCD) cycles. It also displayed at 10 A/g, a coulombic efficiency of 90.4%. The energy density of 13.18 Wh/kg and a power density of 125 W/kg were calculated. Furthermore, a full cell configuration (two-electrode system) was constructed, achieving a capacitance of 395 F/g at 0.5 A/g. The full cell's energy density was recorded at 79 Wh/kg, and 300 W/kg power output. This remarkable electrochemical activity and pseudocapacitive behavior is due to synergy of its components.