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Core-shell and hollow microspheres composed of tin oxide nanocrystals as anode materials for lithium-ion batteries

被引：36
|
作者：
Li, Mei [1 ]
Lu, Qinghua [1 ]
Nuli, Yanna [1 ]
Qian, Xuefeng [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Chem & Chem Technol, Shanghai 200240, Peoples R China
来源：
ELECTROCHEMICAL AND SOLID STATE LETTERS | 2007年 / 10卷 / 08期
关键词：
D O I：
10.1149/1.2745631
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Polystyrene (PS)/SnO2 core-shell microspheres were prepared with alkoxide as precursor and hollow SnO2 spheres were fabricated by a subsequent calcination process. The influence of the concentration of precursor and the size of the PS templates on morphologies and properties of the microspheres was investigated by transmission electron microscope, field emission scanning electron microscope observation, and Brunauer-Emmett-Teller measurements. X-ray diffraction and Fourier transform infrared analysis revealed the microspheres were composed of SnO2 nanocrystals. As anode material, hollow SnO2 microspheres were assembled into lithium-ion batteries and displayed high activity. (c) 2007 The Electrochemical Society.
引用
收藏
页码：K33 / K37
页数：5
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