通过对离子交换法制备的棒状三氧化钼材料进行水热、高温热处理得到了三氧化钼纳米颗粒。利用X射线衍射谱(XRD)、扫描电镜(SEM)、充放电循环及交流阻抗(EIS)对其结构、形貌和电化学性能进行了研究.结果显示,经水热10 h,高温600℃煅烧10 h得到的纳米三氧化钼材料拥有较好的电化学性能,在100 mA/g放电电流下,首次放电容量达到295.1 mAh/g,经15周循环后,容量仍保持在236.6 mAh/g,容量保持率为80.2%。 The molybdenum trioxide nanoparticles were obtained by hydrothermal and high temperature heat treatment on the rod-shaped molybdenum trioxide prepared by ion exchange method. The structure, morphology and electrochemical properties were investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM), charge-discharge cycling and electrochemical impedance spectroscopy (EIS) The nano-molybdenum trioxide material obtained after calcination for 10 h has good electrochemical performance, the first discharge capacity reaches 295.1 mAh / g at a discharge current of 100 mA / g, and the capacity remains at 236.6 mAh / g after 15 cycles , Capacity retention rate of 80.2%.