Self-Assembled Microspheres Formed from α-MnO2 Nanotubes as an Anode Material for Rechargeable Lithium-Ion Batteries

被引：6
作者：
Jan, S. Savut [1 ,2 ]
Nurgul, S. [3 ,4 ]
Shi, Xiaoqin [1 ]
Xia, Hui [1 ,2 ]
机构：
[1] Nanjing Univ Sci & Technol, Sch Mat Sci & Engn, Nanjing 210094, Jiangsu, Peoples R China
[2] Nanjing Univ Sci & Technol, Herbert Gleiter Inst Nanosci, Nanjing 210094, Jiangsu, Peoples R China
[3] Cent China Normal Univ, Dept Phys, Wuhan 430079, Peoples R China
[4] Cent China Normal Univ, Inst Biophys, Wuhan 430079, Peoples R China
来源：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2015年 / 15卷 / 09期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
alpha-MnO2; Nanotube; Hydrothermal Treatment; Nanoflake; NEGATIVE-ELECTRODE MATERIALS; MANGANESE OXIDE; ELECTROCHEMICAL CHARACTERIZATION; NANOWIRES; MNO2; STORAGE;
D O I：
10.1166/jnn.2015.10552
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Self-assembed microspheres formed from single-crystal alpha-MnO2 nanotubes have been successfully synthesized by a facile hydrothermal treatment of KMnO4 in the hydrochloric acid solution. The effect of the reaction time on the microstructure and morphology of the sample is investigated systemically. Meanwhile, the forming mechanism of nano-structured alpha-MnO2 is carefully studied by X-ray powder diffraction, field emission scanning electron microscopy, transmission electron microscopy and high-resolution transmission electron microscopy. The MnO2 nanotube microspheres exhibit large reversible capacity up to 807 mA h g(-1) as well as good cycling stability and rate capability, making them promising as anode material for lithium-ion batteries.
引用
收藏
页码：7181 / 7185
页数：5
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