Abstract
Nanosized LiMn2O4 cathode material was synthesized by a spray-drying process. The calcined LiMn2O4 powder retained a well-define spinel structure and good crystallization. Electrochemical measurements showed that the nanosized LiMn2O4 reached an initial discharge capacity of 131 mAhċg−1 at 1/5 C rate and exhibited a good cycling property at 1 C rate. The results indicate that spray-drying method is a promising method suitable for mass production of nanosized LiMn2O4 with improved electrochemical performances and low cost.
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