Effects of the Mn/Li molar ratio on the fabrication process of lithium manganese oxide cathode electrode for lithium-ion batteries



  • Le Trung Hieu (Corresponding Author) Institute of Chemistry and Materials, Academy of Military Science and Technology
  • Ngo Van Hoanh Institute of Chemistry and Materials, Academy of Military Science and Technology
  • Tran Danh Quang Khoa Cơ khí - Vũ khí, Trường Cao đẳng Công nghiệp quốc phòng
  • Vu Huu Manh Le Quy Don Technical University
  • Nguyen Van Canh Institute of Chemistry and Materials, Academy of Military Science and Technology
  • Ngo Tien Quyet VNU University of Science
  • Nguyen Manh Tuong Institute of Chemistry and Materials, Academy of Military Science and Technology




Lithium manganese oxide; Cathode material; Lithium ion batteries; MnO2.


Lithium-ion batteries utilizing lithium manganese oxide (LiMn2O4 - LMO) as the cathode electrode exhibit high voltage and capacity, making them an ideal power source with extensive potential applications. The Mn/Li molar ratio during the fabrication process has a significant influence on the characteristics of LMO. Herein, a sustainable source of Mn was used to fabricate LMO electrode materials. The impact of the Mn/Li molar ratios on the structure and electrochemical properties of LMO was thoroughly investigated. The results revealed that when the Mn/Li molar ratio was 2.0:1.2, a well-defined LiMn2O4 crystal structure with high purity was obtained. The electrode exhibited fast lithium ion intercalation/deintercalation kinetics, reaching a specific capacity of 110 mAh/g at 0.1 C and maintaining 50 mAh/g after 1000 cycles at a high discharge rate of 2 C. This study demonstrates the influence of the Mn/Li ratios in LMO fabrication and provides guidance for the development of various other cathode electrode materials for lithium-ion batteries.


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How to Cite

Le Trung, H., H. Ngô Văn, Q. Trần Danh, M. Vũ Hữu, C. Nguyễn Văn, Ngô Tiến Quyết, and T. Nguyễn Mạnh. “Effects of the Mn/Li Molar Ratio on the Fabrication Process of Lithium Manganese Oxide Cathode Electrode for Lithium-Ion Batteries”. Journal of Military Science and Technology, vol. 90, no. 90, Oct. 2023, pp. 71-78, doi:10.54939/1859-1043.j.mst.90.2023.71-78.



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