Study of MnO2/bamboo-based activated carbon composites as electrode materials for supercapacitors

NING Luan1;CHEN XiaoHong1;SONG HuaiHe1;YUE YongDe2

Journal of Beijing University of Chemical Technology ›› 2010, Vol. 37 ›› Issue (2) : 65-69.

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Journal of Beijing University of Chemical Technology ›› 2010, Vol. 37 ›› Issue (2) : 65-69.
材料科学与工程

Study of MnO2/bamboo-based activated carbon composites as electrode materials for supercapacitors

  • NING Luan1;CHEN XiaoHong1;SONG HuaiHe1;YUE YongDe2
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Abstract

A series of MnO2/bamboo-based activated carbon composites with different MnO2 contents were prepared by a mechanical milling method and investigated by scanning electron microscopy, X-ray diffraction and thermogravimetry-differential scanning calorimetry. Cyclic voltammetry and constant current charge-discharge tests were also carried out. The specific capacitance of the composite containing 1% MnO2 reached a maximum of 338 F/g and retained a value of 260 F/g after 100 charge-discharge cycles. The excellent electrochemical performance shows
that the materials have potential applications in supercapacitors.

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NING Luan1;CHEN XiaoHong1;SONG HuaiHe1;YUE YongDe2. Study of MnO2/bamboo-based activated carbon composites as electrode materials for supercapacitors[J]. Journal of Beijing University of Chemical Technology, 2010, 37(2): 65-69

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