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X Preparation and Characterization of Carbon-Based Composite Nanofibers for Supercapacitor

X Preparation and Characterization of Carbon-Based Composite Nanofibers for Supercapacitor Abstract Polyacrylonitrile (PAN)/Co(OAc) 2 /carbon nanotubes (CNTs) composite nanofibers were fabricated via electrospinning with N,N-dimethylformamide (DMF) as solvent, and by carbonization and activation of the above precursor nanofibers, porous carbon composite nanofibers were successfully obtained. Scanning electron microscope, X-ray diffraction, ASAP 2020, and Solartron 1470 were used to characterize the surface morphology, the phase composition, specific surface area, and electrochemical property of the nanofibers, respectively. The result showed that some of the fibers were broken after sintering, and the surface area and pore volume of the porous C/Cu/CNTs were 771 m 2 /g and 0.347 cm 3 /g, respectively. The specific capacitance of the composite nanofibers reached up to 210 F/g at the current density of 1.0 A/g. Its energy density and power density were 3.1 Wh/Kg and 2,337 W/Kg, respectively, at the current of 0.5 and 5 mA. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Autex Research Journal de Gruyter

X Preparation and Characterization of Carbon-Based Composite Nanofibers for Supercapacitor

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Publisher
de Gruyter
Copyright
Copyright © 2017 by the
ISSN
2300-0929
eISSN
2300-0929
DOI
10.1515/aut-2016-0004
Publisher site
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Abstract

Abstract Polyacrylonitrile (PAN)/Co(OAc) 2 /carbon nanotubes (CNTs) composite nanofibers were fabricated via electrospinning with N,N-dimethylformamide (DMF) as solvent, and by carbonization and activation of the above precursor nanofibers, porous carbon composite nanofibers were successfully obtained. Scanning electron microscope, X-ray diffraction, ASAP 2020, and Solartron 1470 were used to characterize the surface morphology, the phase composition, specific surface area, and electrochemical property of the nanofibers, respectively. The result showed that some of the fibers were broken after sintering, and the surface area and pore volume of the porous C/Cu/CNTs were 771 m 2 /g and 0.347 cm 3 /g, respectively. The specific capacitance of the composite nanofibers reached up to 210 F/g at the current density of 1.0 A/g. Its energy density and power density were 3.1 Wh/Kg and 2,337 W/Kg, respectively, at the current of 0.5 and 5 mA.

Journal

Autex Research Journal – de Gruyter

Published: Jun 27, 2017

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