Thi Kieu Duyen, N., Le Thanh Nguyen, H., Thi Thu Trang, N., My Loan Phung, L. and Van Man, T. 2020. Investigation of structure and electrochemical properties of layered structure NaFexMn1-xO2. VNUHCM Journal of Natural Sciences. 3, 4 (Apr. 2020), 317-325. DOI:https://doi.org/https://doi.org/10.32508/stdjns.v3i4.573.