期刊
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
卷 65, 期 -, 页码 584-590出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jtice.2016.06.005
关键词
Electrospinning; Mn2O3 nanofiber; Coaxial-cable; Supercapacitor
资金
- National Natural Science Foundation of China [21406116]
- Jiangsu Province Innovation for Ph.D Candidate [CXLX13_028]
- Jianghan University [08010001, 06660001]
- Basic Research Project of Wuhan City [2015011701011593]
- 4th Yellow Crane Talent Project of Wuhan City
- National High Technology Research and Development Program of China (863 Program) [2015AA033406]
Coaxial-cable like Mn2O3 nanofibers are fabricated by a facile and cost-effective single-nozzle electrospinning technique and subsequent calcination. The morphology, microstructure, crystal structure, composition and specific surface area are characterized using scanning electron microscopy, transmission electron microscopy, X-ray diffraction, Fourier transform infrared spectroscopy and N-2 adsorption desorption. A possible formation mechanism of the coaxial-cable like Mn2O3 nanofiber has also been proposed. Due to the large specific surface area and porous structure, the synthesized coaxial-cable like Mn2O3 nanofiber is employed as the electrode for supercapacitor in 6 M KOH aqueous condition. The specific capacitance is up to 216 F/g at 0.5 A/g and the electrode also exhibited excellent cycling stability of 93% capacitance retention after 1000 cycles. The encouraging results show the potential of the coaxial-cable like Mn2O3 nanofiber as supercapacitor electrode material. (C) 2016 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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