Impact of Fluorine content on the Stability and Electronic properties of Sodium Lithium Manganese Oxide Cathode materials for Sodium-ion batteries - Nguyen, Phuc An; Nguyen Vo, Anh Duy; To, Van Nguyen; Hoang Thi, Tue Trang; Nguyen, Van Nghia; Dang, Minh Triet (VNUHCM Journal of Engineering and Technology, 2026)