富锂层状正极材料研究现状

Research Status of Lithium-rich Layered Cathode Materials

富锂层状正极材料结构Mn基氧化物及三元(NCM)层状正极材料分别具有密度高、容量大的特点,并且成本低廉,工作电压与国内现有的电解液设备相匹配,安全性好,考虑到该材料的振实密度、相对密度和容量等多种综合的性能,其发展和应用的前景很好。介绍了富锂层状正极材料目前在应用中面临的技术难题以及富锂层状正极材料的制备技术和应用改性。

Lithium-rich layered cathode materials have received widespread attention. The lithium-rich layered structure of Mn-based oxides and ternary(NCM) materials have the characteristics of high capacity, low cost, working voltage matching with existing electrolytes, and good safety performance, considering the comprehensive performance of tap density, specific capacity, etc., its application prospects are very good, suitable for digital communication batteries, notebook batteries, power tool batteries, car batteries, etc. In this article, the current difficulties faced by lithium-rich layered cathode materials were introduced,as well as the preparation and modification of cathode materials.