NDLI: Facile hydrothermal synthesis of tubular kapok fiber/MnO<sub>2</sub> composites and application in supercapacitors

Content Provider	Royal Society of Chemistry (RSC)
Author	Zhang, Wenbo Wang, Aiqin Mu, Bin Xu, Weibing
Copyright Year	2015
Abstract	Kapok fiber/MnO2 (TKF/MnO2) composites with a tubular structure are successfully fabricated via a facile hydrothermal process. Potassium permanganate and kapok fiber served as the manganese source and the template, respectively. The effects of operating parameters including material proportion, reaction temperature, reaction time and the growth mechanism of MnO2 are studied in detail. A maximum specific capacitance of 117 F g−1 has been achieved at 0.25 A g−1 in 1 M Na2SO4 and 95% specific capacitance is maintained after 1000 cycles, which demonstrates the potential application of tubular TKF/MnO2 composites in supercapacitors. The superior electrochemical performances of the obtained composites are attributed to their hollow structure, thin wall thickness, and orderly pore passages, which can facilitate ion diffusion and improve the utilization of the electroactive sites of MnO2.
Starting Page	64065
Ending Page	64075
Page Count	11
File Format	HTM / HTML PDF
ISSN	20462069
Volume Number	5
Issue Number	79
Journal	RSC Advances
DOI	10.1039/c5ra13602d
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Ceiba pentandra Hydrothermal synthesis Electrochemistry Permanganate Capacitance Ion Diffusion Manganese
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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Facile hydrothermal synthesis of tubular kapok fiber/MnO₂ composites and application in supercapacitors