富锂锰基层状氧化物正极材料面临的挑战及解决方案

张祖豪, 丁晓凯, 罗冬, 崔佳祥, 谢惠娴, 刘晨宇, 林展

Challenges and solutions of lithium-rich manganese-based layered oxide cathode materials

Zuhao ZHANG, Xiaokai DING, Dong LUO, Jiaxiang CUI, Huixian XIE, Chenyu LIU, Zhan LIN

图8 (a) LMR-Nb样品中Mn和Nb的X射线能谱分析（EDS）[80]；(b) 表面掺杂和Nb增强表面结构的示意图[80]；(c) 梯度表面Na+掺杂富锂材料的结构设计示意图[82]；(d) 富锂原始样品(PLR)和Na+掺杂的样品(SLR)的倍率性能[82]

Fig. 8 (a) the schematic process of surface doping and the Nb-enhanced surface structure[80]; (b) the EDS mapping of Mn and Nb for the LMR-Nb sample[80];(c) Schematic illustration of the structure design of gradient surface Na+ doping Li-rich material[82]; (d) The rate performance of pristine Li-rich material (PLR) and Na+ doped Li-rich material (SLR) [82]