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2 (a) Li1.2Mn0.6Ni0.2O2的首次充放电曲线[46]；(b)首次循环时Li1.2Ni0.2Mn0.6O2的电压分布和气体生成速率[46]；(c) 富锂层状氧化物与CO2之间的气固界面反应(GSIR)原理图[30]

Fig. 2 (a) the first charge-discharge curve of Li1.2Mn0.6Ni0.2O2[46]; (b) the first cycle voltage profiles and gas evolution rates of Li1.2Mn0.6Ni0.2O2 electrode[46]; (c) schematic of gas-solid interface reaction (GSIR) between Li-rich layered oxides and carbon dioxide[30]