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Influence of the hydrophilic surface of nanofiber support on the performance of hybrid supercapacitors

Authors
Kim, Hyo-YoungLee, Seon-YeongJeon, In-YupShin, JeeyoungJu, Young-Wan
Issue Date
Nov-2021
Publisher
MDPI
Keywords
Composite electrode; Dispersibility; Hydrophobic/hydrophilic properties; Nanofiber support; Supercapacitor
Citation
Energies, v.14, no.22, pp 1 - 11
Pages
11
Journal Title
Energies
Volume
14
Number
22
Start Page
1
End Page
11
URI
https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/146129
DOI
10.3390/en14227621
ISSN
1996-1073
1996-1073
Abstract
Concerns associated with global warming and the depleting reserves of fossil fuels have highlighted the importance of high−performance energy storage systems (ESSs) for efficient energy usage. ESSs such as supercapacitors can contribute to improved power quality of an energy generation system, which is characterized by a slow load response. Composite materials are primarily used as supercapacitor electrodes because they can compensate for the disadvantages of carbon or metal oxide electrode materials. In this study, a composite of oxide nanoparticles loaded on a carbon nanofiber support was used as an electrode material for a hybrid supercapacitor. The addition of a small amount of hydrophilic FeN@GnP (Fe− and N−doped graphene nanoplates) modified the surface properties of carbon nanofibers prepared by electrospinning. Accordingly, the effects of the hydrophobic/hydrophilic surface properties of the nanofiber support on the morphology of Co3O4 nanoparticles loaded on the nanofiber, as well as the performance of the supercapacitor, were systematically investigated. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
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공과대학 (기계시스템학부)
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