Rational synthesis of α-MnO2 and γ-Mn2O3 nanowires with the electrochemical characterization of α-MnO2 nanowires for supercapacitor

被引:79
作者
Chen, XY [1 ]
Li, XX [1 ]
Jiang, Y [1 ]
Shi, CW [1 ]
Li, XL [1 ]
机构
[1] Hefei Univ Technol, Sch Chem Engn, Hefei 230009, Anhui, Peoples R China
关键词
nanostructures; chemical synthesis; transmission electron microscopy;
D O I
10.1016/j.ssc.2005.06.033
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
An acidification-hydrothermal method was developed to synthesize alpha-MnO2 nanowires, which was subsequently treated with ethanol, resulting in gamma-Mn2O3 nanowire bundles on a large scale. The electrochemical characterization was carried out by cyclic voltammetry, which indicated that the alpha-MnO2 nanowires in 0.5 mol L-1 Na2SO4 aqueous electrolyte was of an excellent electrode material for supercapacitor at the scan rate of 10 mV S-1 in the range of 0.0-0.85 V. (C) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码:94 / 96
页数:3
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