Ordered Mesoporous Carbon/Cobalt Oxide Composites as the Electrode Materials for Supercapacitor

Jing Li Xu; Ping Liu; Yang Lu; Jia Chang Zhao; Ji Cheng Feng; Yi Wen Song; Bo He Jin Tang

doi:10.4028/www.scientific.net/AMR.239-242.1026

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 239-242Ordered Mesoporous Carbon/Cobalt Oxide Composites...

Ordered Mesoporous Carbon/Cobalt Oxide Composites as the Electrode Materials for Supercapacitor

Abstract:

A series of ordered mesoporous carbon/cobalt oxide composites as electrode materials for supercapacitor were prepared via incipient wetness impregnation method. The results show that the structure and electrochemical properties of the composites depend mainly on the cobalt oxide loading amount in the ordered mesoporous carbon. The optimum loading amount of cobalt oxide is found to be 30 wt.%, and the composite derived from which exhibits 283.52 F/g of specific capacitance at the scan rate of 5 mV/s. The specific capacitances of which are higher than that of OMC and pure Co₃O₄ at every given scan rate, showing good synergetic effect.

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Periodical:

Advanced Materials Research (Volumes 239-242)

Pages:

1026-1029

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.239-242.1026

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Online since:

May 2011

Authors:

Jing Li Xu, Ping Liu, Yang Lu, Jia Chang Zhao, Ji Cheng Feng, Yi Wen Song, Bo He Jin Tang

Keywords:

Cobalt Oxide, Composite, Electrochemical Property, Super-Capacitor (SC)

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