| Effect of particle size and agglomeration of TiO2 on synthesis and electrochemical properties of Li4Ti5O12 |
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| 作者姓名： | 伍乐 阚素荣 卢世刚 张向军 金维华 |
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| 作者单位： | General Research Institute for Nonferrous Metals, Beijing 100088, China |
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| 摘 要： |
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| 关 键 词： | 钛酸锂 纳米技术 二氧化硅 合成方法 |
| 收稿时间： | 2007-07-15 |
| 修稿时间： | 2007-09-10 |
Effect of particle size and agglomeration of TiO2 on synthesis and electrochemical properties of Li4Ti5O12 |
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| WU Le, KAN Su-rong, LU Shi-gang, ZHANG Xiang-jun, JIN Wei-hua.Effect of particle size and agglomeration of TiO2 on synthesis and electrochemical properties of Li4Ti5O12[J].Transactions of Nonferrous Metals Society of China,2007,17(A01):117-121. |
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| Authors: | WU Le KAN Su-rong LU Shi-gang ZHANG Xiang-jun JIN Wei-hua |
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| Abstract: | The effects of the initial condition of synthesis on electrochemical properties of Li4Ti5O12 were studied with the comparison among starting and final materials by SEM, XRD and electrochemical analysis methods. The influence of the solvents for mixing the starting material on the products was investigated. The results show that nano-sized Li4TisOlz powder obtained by nano-sized TiO2 with ethanolamine as solvent shows more excellent electrochemical performance. More than 95%, 91%, 85% and 71% of the nominal capacity is achieved respectively at 0.5C, 1C, 2C and 4C rate without excellent capacity fading after more than 30 cycles. |
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| Keywords: | lithium titanate Li4Ti5O12 nano-TiO2 solid-state synthesis |
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