Synthesis and Characterizations of Lithium Vanadium Oxide Nanotubes

被引:1
作者
Cui Chao-Jun [1 ]
Wu Guang-Ming [1 ]
Zhang Ming-Xia [1 ]
Sun Juan-Ping [1 ]
Yang Hui-Yu [1 ]
Shen Jun [1 ]
机构
[1] Tongji Univ, Pohl Inst Solid State Phys, Shanghai Key Lab Special Artificial Microstruct M, Shanghai 200092, Peoples R China
关键词
lithium vanadium oxide; nanotubes; hydrothermal synthesis; cathode material; XPS; CATALYSTS;
D O I
10.3724/SP.J.1077.2009.00787
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Lithium vanadium oxide nanotubes as cathode materials for rechargeable lithium batteries were ME prepared via a sol-gel reaction followed by hydrothermal treatment, in which V2O5 and LiOH center dot H2O were used as raw materials and C16H33NH2 as structure-directing template. Structure and morphology of the nanotubes were investigated by SEM, TEM, XRD, FT-IR and XPS. Meantime, electrochemical behavior of the materials was researched by cyclic voltammetry. The results show that the inner and the outer diameters of the obtained nanotubes are of about 30nm and 70nm with length between 1 mu m to 3 mu m, respectively. It is also confirmed by XPS that the elements of the products are made up of various chemical states. The electrochemical performance indicates that the obtained nanotubes as cathode materials for rechargeable lithium batteries have good lithium-ion insertion/deinsertion reversibility.
引用
收藏
页码:787 / 792
页数:6
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