High capacity sodium-rich layered oxide cathode for sodium-ion batteries

Guo Gen-Cai, Wang Changhao, Ming Bang-Ming, Luo Si-Wei, Su Heng, Wang Bo-Ya, Zhang Ming, Yu Hai-Jun^†, Wang Ru-Zhi^‡

(color online) (a) Calculated elastic constants (GPa) of Li₂MnO₃ and Na₂MnO₃; (b) calculated elastic constants (GPa) of Na_xMnO₃.