期刊
JOURNAL OF POWER SOURCES
卷 196, 期 2, 页码 855-859出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2010.06.067
关键词
Layered manganese oxide; Nanobelt bundle; Hydrothermal treatment; Capacitance
资金
- National High Technology Research and Development Program of China [2007AA03Z248]
- National Natural Science Foundation of China [20971082]
One-dimensional manganese oxide nanobelt bundles with layered structure have been synthesized by hydrothermally treating the precursor, K-type layered manganese oxide in a NaOH solution of 6.0 mol L-1 at 150 degrees C for 30 h. The obtained material is characterized by XRD, SEM, TEM and BET analysis. The manganese oxide nanobelt bundles are more than 50 mu m long and 20-50 nm wide, and the specific surface area is about 160 m(2) g(-1). The electrochemical property of the synthesized manganese oxide nanobelt bundles has been studied using cyclic voltammetry in a mild aqueous electrolyte. The manganese oxide nanobelt bundle exhibits good capacitive behavior and cycling stability in a neutral electrolyte system, and its initial capacitance value is 268 Fg(-1). (C) 2010 Elsevier B.V. All rights reserved.
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