Kim, H.-Y.; Lee, S.-Y.; Jeon, I.-Y.; Shin, J.; Ju, Y.-W. Influence of the Hydrophilic Surface of Nanofiber Support on the Performance of Hybrid Supercapacitors. Energies2021, 14, 7621.
Kim, H.-Y.; Lee, S.-Y.; Jeon, I.-Y.; Shin, J.; Ju, Y.-W. Influence of the Hydrophilic Surface of Nanofiber Support on the Performance of Hybrid Supercapacitors. Energies 2021, 14, 7621.
Kim, H.-Y.; Lee, S.-Y.; Jeon, I.-Y.; Shin, J.; Ju, Y.-W. Influence of the Hydrophilic Surface of Nanofiber Support on the Performance of Hybrid Supercapacitors. Energies2021, 14, 7621.
Kim, H.-Y.; Lee, S.-Y.; Jeon, I.-Y.; Shin, J.; Ju, Y.-W. Influence of the Hydrophilic Surface of Nanofiber Support on the Performance of Hybrid Supercapacitors. Energies 2021, 14, 7621.
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 hydrophobic 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.
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