Orderly Arranged Bead-Chain Cu2O-Mn3O4-NiO Ternary Nanocomposites with High Specific Capacitance for Supercapacitors

Author:

Su Lei12,Zhang Chunyong12,Shu Li23,Huang Linna12,Li Jianning12,Qin Hengfei23

Affiliation:

1. Jiangsu Key Laboratory of Precious Metal Chemistry and Technology, Jiangsu University of Technology, Changzhou 213001, P. R. China

2. School of Chemistry and Environmental Engineering, Jiangsu University of Technology, Changzhou 213001, P. R. China

3. Jiangsu Province Key Laboratories of E-Waste Recycling, Jiangsu University of Technology, Changzhou 213001, P. R. China

Abstract

A series of metal oxide nanocomposites have been successfully synthesized by electrospinning technology. The obtained nanocomposites (Cu2O-Mn3O4-NiO) are an ordered arrangement of metal oxide particles (10[Formula: see text]nm), with the shape like bead chain. The acquired Cu2O-Mn3O4-NiO ternary nanocomposites were used as electrode materials to manufacture a supercapacitor. Electrochemical tests showed that the synthesis of nanocomposites made of electrode materials had good electrochemical performance in 6[Formula: see text]mol/L KOH electrolyte. The results showed that at a scan rate of 5[Formula: see text]mV/s, the specific capacitance of Cu2O-Mn3O4-NiO had a larger specific capacitance of 1306[Formula: see text]F/g than NiO, Cu2O-NiO and Mn3O4-NiO. The excellent electrochemical performance showed that the electrostatic spinning method is an effective technology for developing nanocomposites for energy storage devices.

Funder

Postgraduate Research and Practice Innovation Program of Jiangsu Province

National Natural Science Foundation of China

Natural Science Foundation of Jiangsu Province

Publisher

World Scientific Pub Co Pte Lt

Subject

Condensed Matter Physics,General Materials Science

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