Effect of Temperature on Characteristic of Carbon Nanotube Nano-Composite Electrode Supercapacitor

In order to evaluate the effect of temperature on the performance of supercapacitor using coconut shell activated carbon (AC)/carbon nanotubes (CNTs) as nano-composite electrodes, the supercapacitor's properties were tested in 4mol L-1 KOH solution at 35℃~60℃.The results indicated, when tempera...

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Published in:ECS transactions 2014-09, Vol.61 (18), p.9-13
Main Authors: Huang, Naibao, Kirk, Donald W, Thorpe, Steven J., Liang, Chenghao, Xu, Lishuang, Zhang, Shuchun, Li, Wan, Sun, Min
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container_issue 18
container_start_page 9
container_title ECS transactions
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creator Huang, Naibao
Kirk, Donald W
Thorpe, Steven J.
Liang, Chenghao
Xu, Lishuang
Zhang, Shuchun
Li, Wan
Sun, Min
description In order to evaluate the effect of temperature on the performance of supercapacitor using coconut shell activated carbon (AC)/carbon nanotubes (CNTs) as nano-composite electrodes, the supercapacitor's properties were tested in 4mol L-1 KOH solution at 35℃~60℃.The results indicated, when temperature increased from 35℃ to 60℃, the resistance decreased from 0.83Ω to 0.78Ω by 6% and the capacitance increased from 93.32F g-1 to 104.36F g-1 by 11.8%. It was the contribution of high conductivity and the end open ration of CNTs. These results indicated that CNTs-based nano-composite electrode had good performance at high moderate temperature, and would be a promising material for use in low-cost electrical energy storage device.
doi_str_mv 10.1149/06118.0009ecst
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