scheme1

Enabling 4.6 V LiNi<sub>0.6</sub>Co<sub>0.2</sub>Mn<sub>0.2</sub>O<sub>2</sub> cathodes with excellent structural stability: combining surface LiLaO<sub>2</sub> self-assembly and subsurface La-pillar engineering

Scheme 1. Synthetic process of LiNi0.6Co0.2Mn0.2O2 (NCM622) cathode with and without modification.