Citation: Feng Xiaojuan, Shi Yanglong, Li Yongyan, Yang Xiaoxia, Chen Jianpeng. Preparation of Co-Al Bimetallic Sulfide/Nickel Foam Electrodes and Their Supercapacitor Properties[J]. Chemistry, ;2017, 80(6): 553-557. shu

Preparation of Co-Al Bimetallic Sulfide/Nickel Foam Electrodes and Their Supercapacitor Properties

College of Chemistry and Chemical Engineering, Key Laboratory of Hexi Corridor Resources Utilization of Gansu Universities, Hexi University, Zhangye 734000

Received Date: 5 October 2016
Accepted Date: 26 December 2016

Figures(7)

The binary Co-Al sulfide was grown directly on Ni foams via a two-step hydrothermal method. The CoAl₂S₄/Ni electrode material were successfully prepared. The structure, surface morphology and supercapacitor property were characterized by X-ray diffraction analysis, field emission scanning electron microscopy (FESEM), and electrochemical method respectively. The results showed that the CoAl₂S₄/Ni electrode material exhibits 3D porous petal-like structure and rough surface with high conductivity, capacitance and transport rate for electrolyte ions and electrons. The specific capacitance of the electrode can reach 2187.1 F/g under current density of 1A/g. It displayed good electrochemical stability with 90.1% of the initial capacitance over consecutive 100 cycles. The results of this work can provide a reference for the fabrication and properties study of supercapacitor electrode materials.
- Co-Al binary sulfide,
- Hydrothermal method,
- Porous structure,
- Supercapacitance performance
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