Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7832589 | Acta Physico-Chimica Sinica | 2006 | 5 Pages |
Abstract
Nb-doped LiFePO4/C was synthesized using one-step solid-state method. The effect of Nb contents on the electrochemical performance was investigated. The results showed that the electrochemical performances were remarkably promoted. The discharge capacities of Li0.96Nb0.008FePO4/C cathode materials were 161, 148, and 132 mAh·gâ1 at the charge and discharge current rates of 0.5C, 1C, and 2C, respectively. The results of cyclic voltammetry and EIS analyses showed that the resistance and polarization of the LiFePO4/C composite electrode could be effectively decreased by Nb doping, which would improve the electronic conductivity of LiFePO4.
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Authors
Dagao Zhuang, Xinbing Zhao, Jian Xie, Jian Tu, Tiejun Zhu, Gaoshao Cao,