Abstract
In order to improve the electrochemical performance of polyoxomolybdate Na3[AlMo6O24H6](NAM) as the cathode material of lithium ion battery, the NAM materials with small particle size were synthesized by elevating the synthesis temperature in the solution. The as-prepared NAM materials were investigated by FT-IR, XRD, SEM and EIS. Their discharge–charge and cycle performance were also tested. The results show that the particle size decreases to less than 10 µm at the temperature of higher than 40 °C. When synthesized at 80 °C, the NAM with the smallest particle size (∼3 µm) exhibits the best electrochemical performance such as high initial discharge capacity of 409 mA·h/g and coulombic efficiency of 95% in the first cycle at 0.04C.
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