Ta, Tan Anh, Long Duy Pham, Hieu Sy Nguyen, Chung Vu Hoang, Chi Ha Le, Chien Tran Dang, Hoa Thi Thu Nguyen, and Nghia Van Nguyen. 2017. “Electrochemical Performance of \(\text{Na}_{0.44}\text{MnO}_{2}\) Synthesized by Hydrothermal Method Using As a Cathode Material for Sodium Ion Batteries”. Communications in Physics 27 (2):143. https://doi.org/10.15625/0868-3166/27/2/9631.