Template-Assisted Electrospinning of Bubbled Carbon Nanofibers as Binder-Free Electrodes for High-Performance Supercapacitors

A, Gopalakrishnan and Sahatiya, Parikshit and Badhulika, Sushmee (2018) Template-Assisted Electrospinning of Bubbled Carbon Nanofibers as Binder-Free Electrodes for High-Performance Supercapacitors. ChemElectroChem, 5 (3). pp. 531-539. ISSN 2196-0216

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Abstract

Comparing the performance of recently reported electrospun carbon nanofiber (CNF)-based supercapacitors, which use binders, we are reporting a binder-free high-performance supercapacitor based on porous bubbled surface carbon nanofibers (BCNFs). BCNFs have been synthesized by using a KIT-6 silica template-assisted electrospinning process, and they exhibit a high discharge specific capacitance of 287 Fg(-1) (79.7 mAhg(-1)). Brunauer-Emmett-Teller and FESEM analyses reveal that BCNFs have a large accessible surface area (593 m(2)g(-1)) and well-developed pore structures, leading to a high specific capacitance value. Furthermore, a BCNF supercapacitor exhibits good cyclic stability with improved capacity retention in aqueous electrolyte. The use of electrospinning and a hard template method for the synthesis avoids the use of aggressive materials and complicated activations, thereby making it an industry-compatible process for large-scale production. The present study, demonstrating the successful synthesis of BCNFs, is a major step ahead in the direction of developing new materials for binder-free supercapacitors, which hold enormous potential for high-performance energy storage devices

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IITH Creators:
IITH CreatorsORCiD
Badhulika, SushmeeUNSPECIFIED
Item Type: Article
Uncontrolled Keywords: Electrospinning, bubbled carbon nanofibers, templated-assisted method, supercapacitors, binder-free electrodes
Subjects: Electrical Engineering
Divisions: Department of Electrical Engineering
Depositing User: Team Library
Date Deposited: 16 Feb 2018 08:21
Last Modified: 16 Feb 2018 08:21
URI: http://raiith.iith.ac.in/id/eprint/3790
Publisher URL: http://doi.org/10.1002/celc.201700962
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