尖晶石型LiMn_2O_4的研究进展

Research progress of spinel LiMn_2O_4

尖晶石型LiMn2O4作为锂离子电池的正极材料之一是近年来的研究热点.尖晶石型LiMn2O4的合成方法有许多种,主要有固相法、水热合成法、共沉淀法、溶胶—凝胶法等.对各种合成方法的优缺点进行比较,同时就近年来科技工作者对LiMn2O4的性能优化作综合论述,主要包括掺杂和表面包覆,并对今后LiMn2O4的发展方向做了阐述.

Spinel LiMn_2O_4 has been becoming one of the hottest topics as one of cathode materials for 1ithium-ion batteries.The main preparation processes of spinel LiMn_2O_4 are solid-phase synthesis, hydrothermal synthesis,coprecipition method and sol-gel method.The advantages and disadvantages of all the preparation processes are compared in this paper.The performance optimization of LiMn_2O_4 is described.In addition,the development trend of LiMn_2O_4 is presented.