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HomeKey Engineering MaterialsKey Engineering Materials Vol. 616Mesoporous Hollow Carbon Derived from...

Mesoporous Hollow Carbon Derived from Soft-Templated Hydrothermal Process for Supercapacitor Electrode

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Abstract:

Supercapacitors have been emerged as an important energy storage device, owing to their high power density, excellent cycle ability, fast charge-discharge processes and low self-discharging. In this work, we have developed a facile soft-templated hydrothermal procedure to produce hollow mesoporous carbon spheres, which can deliver a relatively high capacitance (~190 F/g) and an energy density of ~26.38 Wh/kg at the discharging current of 1 A/g. The hollow cavity and micropore volume are shown to be the main factors that contribute to the good capacitive behavior.

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Periodical:

Key Engineering Materials (Volume 616)

Pages:

134-140

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.616.134

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Online since:

June 2014

Authors:

Kuan Hung Ho, Yu Zhang, Hua Jun Liu, Qing Qing Ke, Lu Mao, Ya Ting Hu, Xu Li*, John Wang

Keywords:

Hollow Carbon Spheres, Hydrothermal, Soft-Templated, Super-Capacitor (SC)

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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