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Synthesis and Electrochemical Performance of TiO2/C Nanocomposites

Author(s): JIN Shuang-Ling, DENG Hong-Gui, ZHAN Liang, ZHAO Yue, QIAO Wen-Ming, LING Li-Cheng

Journal: Journal of Inorganic Materials
ISSN 1000-324X

Volume: 27;
Issue: 7;
Start page: 757;
Date: 2012;
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Keywords: TiO2; nanocomposite; anode material; lithium-ion battery; electrochemical

TiO2/C nanocomposites with diameter of 300-400 nm were synthesized through hydrothermal reaction from titanium glycolate spheres with glucose as carbon precursor. The effects of the glucose concentration on the morphology, structure and carbon coating and electrochemical performance of the product were investigated. When the carbon content of TiO2/C nanocomposite was 7wt%, its average crystallite size, BET surface area and average pore size were 7.1 nm, 157 m2/g and 5.2 nm, respectively. When the TiO2/C nanocomposites is used as anode materials for lithium-ion battery, it delivered a capacity of 160 mAh/g after 80 charge/discharge cycles at a current rate of 0.2C with a good rate capability.
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