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6 (a) AlF3包覆Li1.2Ni0.15Co0.10Mn0.55O2的TEM图像[64]；(b) 高倍数下的TEM图像所显示出LMR阴极上的AlF3涂层[64]；(c) 未包覆材料和AlF3包覆材料在循环过程中的充放电曲线[64]；(d) LSM包覆LM的机理[65]； (e) LM原样和LSM包覆样在电化学循环过程中的结构演变示意图[65]

Fig. 6 (a) the TEM image of the AlF3 coating on Li1.2Ni0.15Co0.10Mn0.55O2[64]; (b) higher magnification TEM image showing the AlF3 coating layer on the LMR cathode[64] ; (c) corresponding charging and discharging curve of uncoated material and AlF3-coated material during cycling[64]; (d) the mechanism of LSM-coated LM[65], (e) schematic of structure evolution of pristine LM and LSM-coated sample during electrochemical cycling[65]