In-Situ Grown Sheet-Like Nanostructure of NiCo2S4 for High Performance Supercapacitors

NiCo 2 S 4 nanosheet electrode material for supercapacitor is prepared by a facile hydrothermal method. The as-prepared samples are characterized through XRD, SEM and XPS techniques. The synthesized NiCo 2 S 4 nanosheet electrodes deliver a mass specific capacitance of 744 C/g at 1 A/g. The as-fabricated device shows a high specific capacitance. After 10000 times of charge and discharge, the capacitance retention rate kept almost 100%, demonstrating that NiCo 2 S 4 nanowire electrode materials can be used in advanced electrode materials.