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) Top (upper left) and side (lower left) view of Na2MnO3 structure. (b) The structure of Na2MnO3 after AIMD simulation. (c) Phonon spectrum of Na2MnO3.