Special Issue "Carbon-Based Nanofibers for Supercapacitor"

Dear Colleagues,

There is a booming call for energy with the swift expansion of the global economy. The energy generation from renewable and sustainable resources (solar and wind) act in crucial roles in power supply, however, their intermittent behaviour and unstable power supply impede their proper utilizations. Therefore, it is crucial to develop innovative high-power energy storage systems to meet the sufficient power supply for industrial and residential usage. Supercapacitors, also known as electrochemical capacitors, are an emerging class of next-generation energy storage devices, which possess high power density and long-term durability. To boost the energy delivery capacity of the supercapacitors, the high-performance electrode material is an important component. 

Carbon nanofibers (CNFs) have been actively developed as an indispensable candidate for supercapacitors electrodes due to the multifarious advantages of low-cost, large surface area, superior electrical conductivity, and high chemical stability in both acidic and environments. Just simply using pure CNFs is not enough. To further enhance the electrochemical activity, CNFs with large surface area, high porosity, and the doping of functional groups/heteroatoms (N, O, S, and F) are necessary. Meanwhile, some breakthroughs about CNFs are still required for their proper implementation from a commercial point of view.

This Special Issue aims to cover the synthesis, characterization, and energy storage applications of CNFs, which can boost the development of highly efficient and low-cost electrode materials for supercapacitors. At the same time, we believe that this Special Issue will furnish some new insights of CNFs-based materials for electrochemical energy storage applications.

Prof. Dr. Mira Park
Dr. Gunendra Prasad Ojha
Dr. Jiwan Acharya
Guest Editors

Schematic representation of a symmetric device (A); CV curves at different sweep rates and potential window (B and C); GCD curves at various potential windows and current densities (D and E); relation between areal capacitance and current density (F); cyclic stability and columbic efficiency tests (G); EIS spectra after and before cyclic stability (H); and Ragone plot of symmetric device (I).

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• electrospinning
• polymers
• carbon nanofibers
• mesoporous
• heteroatoms doped
• energy storage