摘要
采用超声振荡结合液相还原法,制备尖晶石LiMn2O4,对产物进行XRD、SEM分析及电化学性能测试。超声振荡生成的前驱体具有更接近尖晶石的过渡结构,制得的LiMn2O4粒子更致密、均匀。在3.5～4.5 V循环,0.1C首次放电比容量为126 mAh/g,第50次循环的放电比容量为122 mAh/g。
Spinel LiMn2O4 was prepared by using ultrasonic oscillation combined with liquid reduced method. XRD, SEM analyses and electrochemical performance test were taken to the products. The precursor obtained by ultrasonic oscillation had the transition structure closer to spinel, the prepared LiMn2O4 particle was more denser and regular. When cycled in 3.5 - 4.5 V, the 0.1 C initial specific discharge capacity was 126 mAh/g, the specific discharge capacity at the 50th cycle was 122 mAh/g.
出处
《电池》
CAS
CSCD
北大核心
2012年第2期103-105,共3页
Battery Bimonthly
基金
贵州省教育厅自然科学研究资助项目(教黔科2007071)
合肥市科技局基金资助项目(遵市科合社字[2008]27号)
