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Preparation and Electrochemical Properties of Tin-copper Nanocomposite Oxides Material

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Author(s): LIU Bin, HU Wen-Sheng, SONG Bin, JIA Dian-Zeng

Journal: Journal of Inorganic Materials
ISSN 1000-324X

Volume: 25;
Issue: 7;
Start page: 729;
Date: 2010;
Original page

Keywords: SnO2-CuO composite oxides | precipitation method | anode material

ABSTRACT
Nanocomposite oxides materials (SnO2-CuO) as anode materials for lithium-ion batteries were synthesized via precipitation method. The crystalline structure and the electrochemical performance of as-synthesized samples were investigated. The results show that the nanocomposite oxides materials are SnO2-CuO nanocomposites with diameter of about 90nm. The SnO2-CuO nanocomposites exhibit excellent electrochemical performance. After charge-discharged from 30 times to 50 times, the discharge capacity decreases from 254.4 mAh/g to 241.1 mAh/g, and the capacity retention is about 95%.
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