Spindle-Like LiMnPO4 Assembled by Nanorods with Different Crystallographic Orientations as the Cathode of Lithium-Ion Batteries
In this paper, we report on the solvothermal preparation of spindle-like LiMnPO4 assembled by nanorods with different crystallographic orientations and their electrochemical performance as the cathode materials of lithium-ion batteries. The crystallographic orientations of the nanorods were controlled via two synthetic routes with changed conditions. To improve the electric conductivity, the pristine LiMnPO4 has been carbon-coated by using sucrose as carbon source. The as-prepared LiMnPO4@C nanorods have been applied as the cathode of Li-ion batteries, showing the discharge specific capacity of 153.5 mA h g–1 at 0.05 °C. The nanorods grown along the  direction have exhibited better electrochemical performance than that with a large number of (020) planes. The result shows that  orientation of olivine-structured LiMnPO4 is favorable for the improvement of the electrochemical properties.
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Document Type: Research Article
Publication date: November 1, 2013
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