中文摘要：

提高尖晶石锰酸锂的结构稳定性并优化其电化学性能是锂离子电池研究体系中的一项重要内容,而二氧化锰作为制备尖晶石锰酸锂的最常用锰源,它的性质对产物锰酸锂性能的影响非常关键。从这一应用角度出发,综述了二氧化锰的研究进展,主要论述了二氧化锰晶体结构、化学组成、物理特征等对制备尖晶石锰酸锂物理和化学性能的影响,提出了研发高品质的二氧化锰将成为提高锰酸锂的结构稳定性和电化学性能的一个重要突破口。

英文摘要：

It has become an important topic to improve structural stability and electrochemical performance of spinel LiMn2O4 for lithium ion batteries.MnO2 is the most popular Mn source to synthesize spinel LiMn2O4,and its properties are one of the key factors for the performance of spinel LiMn2O4.In this paper,latest progress on MnO2 as Mn source was reviewed,and the influence of crystal structure,chemical composition and physical charater of MnO2 on physical and chemical performance of spinel LiMn2O4 materials was discussed.It was believed that it would be a breakthrough in improving structural stability and electrochemical performance of LiMn2O4 to optimize MnO2 with better characters.