Hydrothermal Prepared α-MnO2 Nanowire and its Supercapacitor Electrochemical Performances
2014 ◽
Vol 953-954
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pp. 1040-1044
Keyword(s):
X Ray
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α-MnO2nanowire was prepared by hydrothermal method. The structure of as-prepared manganese oxide demonstrated tetragonal crystalline in X-ray diffraction pattern. Scan electron microscopy (SEM) and Transmission electron microscopy (TEM) revealed the nanowire morphology of as-prepared α-MnO2. The band gap of α-MnO2was estimated at about 2.06 eV via UV-vis spectrum. As the electrode active material for supercapacitor, the electrochemical specific capacitance of α-MnO2nanowire achieved 156.5 F/g, which possessed typical capacitive behaviors and good cycling stabilities. Based on the preferable electrochemical performances, as-synthesized α-MnO2nanowire may be a potential alternative as electrode material for supercapacitor.
1982 ◽
Vol 40
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pp. 722-723
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2012 ◽
Vol 23
(8)
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pp. 1047-1063
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2012 ◽
Vol 174-177
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pp. 508-511
2007 ◽
Vol 90
(11)
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pp. 3651-3655
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2001 ◽
Vol 145
(1-4)
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pp. 325-331
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