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Sensors and Materials,
Volume 30, Number 3(2) (2018)
Copyright(C) MYU K.K. All Rights Reserved.
Published: March 23, 2018
Effects of TiO2 Nanoparticle Doping in Coconut-shell Carbon on the Properties of Supercapacitor [PDF]
Chiung-Hsien Huang, Teen-Hang Meen, Liang-Wen Ji, Shi-Mian Chao, Tung-Lung Wu, Jenn-Kai Tsai, and Tien-Chuan Wu
(Received August 19, 2017; Accepted December 12, 2017)
Keywords: super capacitor, TiO2, cyclic voltammetry
In this study, TiO2 nanoparticles at different weight ratios were added to composite coconutshell carbon and conductive carbon black electrode material to investigate their effects on the properties of a supercapacitor. Then, the composite carbon electrodes were further treated by rapid thermal annealing (RTA) and measured by field emission scanning electron microscopy (FE-SEM), electronic data system (EDS) analysis, cyclic voltammetry (CV), and charge–discharge and photoluminescence (PL) tests to investigate the diverse effects on the electrodes with conductive carbon black doped with TiO2 nanoparticles and on the electrodes treated with and without RTA. According to the results of CV, the capacitance of electrodes without TiO2 nanoparticles was determined to be 73.104 F/g by scanning at a rate of 25 mV/s, and could be increased to 96.54 F/g with TiO2-doped carbon electrodes. In addition, the capacitance of carbon electrodes with TiO2 could be increased to 171.28 F/g after heat treatment by RTA.
Corresponding author: Teen-Hang Meen, Liang-Wen Ji
Cite this article
Chiung-Hsien Huang, Teen-Hang Meen, Liang-Wen Ji, Shi-Mian Chao, Tung-Lung Wu, Jenn-Kai Tsai, and Tien-Chuan Wu, Effects of TiO2 Nanoparticle Doping in Coconut-shell Carbon on the Properties of Supercapacitor, Sens. Mater., Vol. 30, No. 3, 2018, p. 645-653.
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