The difference of reactive mechanisminduced the difference of their structure . v _ 2o _ 5 product prepared by melting - cooling showed more notable undefined structure . after heat - treating under300 , particle size becomes smaller , and aggregate to globate grain , showesbetter electrochemical performance at low charge - discharge rate 熔融淬冷法合成的樣品其無定型結(jié)構(gòu)更明顯,前驅(qū)體經(jīng)過300熱處理后,材料的粒徑變細(xì),團(tuán)聚成球狀的顆粒,球狀特征更顯著,在低倍率下具有較好的電化學(xué)性能。