The Fabrication of MnO2 Nanoparticle for Supercapacitor Application

De Qun Kang; Ze Xiang Chen; Tian Yong Hu; Miao Dong; Jun Ren

doi:10.4028/www.scientific.net/AMM.268-270.164

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 268-270The Fabrication of MnO2 Nanoparticle for...

The Fabrication of MnO₂ Nanoparticle for Supercapacitor Application

Abstract:

MnO₂ nanoparticle was produced using liquid coprecipitation method, and nanorod and nanowire were produced using hydrothermal method and annealing. SEM and EDS were used to examine the morphology and the elements of the samples. The diameter of particle is about 300nm, the diameter of rod is about 200-300nm, the diameter of wire is about 50-70nm. The electrochemical characteristics were tested using galvanostatic charge-discharge cycling. The results demonstrat that the prepared MnO₂ have a good pseudocapacitance behavior and power characteristic. And the specific capacitor (SC) is up to 260.09F/g.

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Periodical:

Applied Mechanics and Materials (Volumes 268-270)

Pages:

164-167

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.268-270.164

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Online since:

December 2012

Authors:

De Qun Kang, Ze Xiang Chen, Tian Yong Hu, Miao Dong, Jun Ren

Keywords:

Anneal, Hydrothermal, MnO₂, Super-Capacitor (SC)

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