Nanohybridization of Ni-Co-S Nanosheets with ZnCo2O4 Nanowires as Supercapacitor Electrodes with Long Cycling Stabilities

Hybrid structured electrode materials for supercapacitors have attracted enormous interest. However, the rational design of electrode materials with high conductivity and energy density is still a challenge for energy storage devices. Herein, ZnCo2O4@Ni-Co-S composites are prepared through a simple electrochemical process. Due to the high structural stability, the products show excellent specific capacitance. Furthermore, the device delivers an energy density of 53.1 Wh kg(-1) at a power density of 3375 W kg(-1) and demonstrates excellent cycle stability.

Automated summary

Hybrid structured electrode materials, such as ZnCo2O4@Ni-Co-S composites, prepared through a simple electrochemical process, show excellent specific capacitance and high energy density, with a recorded energy density of 53.1 Wh kg(-1) at a power density of 3375 W kg(-1) and demonstrate excellent cycle stability.