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Chemcial Industry and Engineering 2018, Vol. 35 Issue (2) :16-21,69    DOI: 10.13353/j.issn.1004.9533.20161075
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Preparation and Electrochemical Properties of Hierarchical SnO2 and Its Carbon Composite
Naren1, Tian Jianhua1, Wan Haiying2, Shan Zhongqiang1
1. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;
2. Jincheng Abound Energy Ltd., Shanxi Jincheng 048000, China

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Abstract 

To improve the poor cycling performance and low conductivity of SnO2, SnO2/C composite was synthesized by hydrothermal process and was used as anode material of lithium battery. The technology of preparation hierarchical SnO2 was investigated by adjusting the concentration of tin source. The constitution and morphology of material were characterized by XRD and SEM technique. The CV and constant-current charge/discharge were used to analyze the electrochemical performance. Compared with hierarchical SnO2 electrode, hierarchical SnO2/C composite electrode exhibits 346.1 mAh·g-1 at 200 mA·g-1 after 50 cycles while SnO2 electrode remain 20.6 mAh·g-1 at the same condition. At the same time, rate capability is improved by introducing the amorphous carbon.

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Naren
Tian Jianhua
Wan Haiying
Shan Zhongqiang
Keywordslithium-ion battery;   hierarchical SnO2   carbon composite;   hydrothermal process     
Received 2016-04-22;
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Naren, Tian Jianhua, Wan Haiying, Shan Zhongqiang.Preparation and Electrochemical Properties of Hierarchical SnO2 and Its Carbon Composite[J]  Chemcial Industry and Engineering, 2018,V35(2): 16-21,69
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