Study on Li_(1+x)V_3O_8 synthesized by microwave sol-gel route

摘要

Li_(1+x)V_3O_8 material was synthesized by sintering the gel starting from LiOH·H_2O, NH_4VO_3 and C_6H_8O_7·H_2_O in a scientific microwave oven with temperature and power control, Which is called microwave sol-gel route. The samples sintered by microwave in various durations were investigated via X-ray diffraction (XRD), scanning electron microscopy (SEM), cyclic voltammograms (CVs) and charge/discharge test to evaluate the effect of sintering duration. It shows that sintering duration in microwave at 400 ℃ between 100 and 150 min is a more suitable option for MW-sol-gel route to prepare cathode material Li_(1+x)V_3O_8. Our paper suggests that the microwave sol-gel route is a rapid and efficient synthetic method for preparing Li_(1+x)V_3O_8 cathode material.