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Ordered Mesoporous Carbon Nano Spheres as Electrode Material for Supercapacitors

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Abstract:

Ordered mesoporous carbon nanospheres with uniformly penetrating channels have been successfully synthesized by a nanocasting method using mesoporous silica as a template. The ordered mesoporous carbon nanospheres were investigated as electrode materials for supercapacitors via high-resolution transmission electron microscopy, nitrogen adsorption and desorption isotherms and a variety of electrochemical testing techniques. The electrodes with ordered mesoporous carbon nanospheres prepared by coating method exhibited good rate capability and reversibility at high scan rates in electrochemical performances. Ordered mesoporous carbon nanosphere electrode with specific surface area of 904 m2/g maintained a stable specific capacitance of 210 F g-1 under specific current of 0.1 A g-1 for 500 cycles of charge/discharge.

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Periodical:

Applied Mechanics and Materials (Volume 320)

Pages:

661-664

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.320.661

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Online since:

May 2013

Authors:

Hai Jing Zhao, Dong Lin Zhao, Ji Ming Zhang, Dong Dong Zhang

Keywords:

Carbon Nanospheres, Ordered Mesoporous Materials, Super-Capacitor (SC)

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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