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中文摘要：
通过水热法制备了三维的VO2（B）纳米材料；对其形貌结构的控制合成及其电化学性质进行了探索．实验结果表明，反应产物的形貌可以通过改变还原剂草酸的浓度及其反应的时间来改变．电化学测试结果显示，水热合成的带状VO2（B）纳米花材料相比其片状结构具有更好的电化学性能，比容量高，循环可逆性更好，因此在锂电池的正极材料应用上有更好的前景．
英文摘要：
We successfully fabricated VO2 （B） nanostructures through a hydrotbermal process. The microstructures and the corresponding electrochemical properties of as-synthesized materials were evaluated. Experimental results indicated that the morphology of the products can be changed by modifying concentrations of the reducing agent, and the nanoflowers composed of nanobelts perform better specific capacity and cycling properties than those composed of nanoflakes. Our results show that the VO2 （B） nanostructures may have potential use in the an- ode material of Li-ion batteries.
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