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- Title
Hydrothermal Synthesis of Li<sub>2</sub>MnO<sub>3</sub>-Stabilized LiMnO<sub>2</sub> as a Cathode Material for Li-Ion Battery.
- Authors
Vu, Ngoc Hung; Dao, Van-Duong; Vu, Hong Ha Thi; Van Noi, Nguyen; Tran, Dinh Trinh; Ha, Minh Ngoc; Pham, Thanh-Dong
- Abstract
Herein, we reported the composite structure of LiMnO2 and Li2MnO3 as a low-cost and environmentally benign cathode material. This composite with the main phase of LiMnO2 (90%) was synthesized by hydrothermal method at 220°C from LiOH and Mn(CH3COO)2 precursors. The obtained nanosized LiMnO2-LiMnO3 cathode material exhibits a high capacity of 265 mAh g-1 at C/10. The incorporation of Li2MnO3 into the LiMnO2 phase could stabilize the structure, leading to the improved cycle stability of the cathode. The capacity retention of the cathode was 93% after 80 cycles at C/2. Our results facilitate a potential strategy for developing high-performance cathode materials based on the Li-Mn-O system.
- Subjects
HYDROTHERMAL synthesis; LITHIUM-ion batteries; COMPOSITE structures; CATHODES
- Publication
Journal of Nanomaterials, 2021, p1
- ISSN
1687-4110
- Publication type
Article
- DOI
10.1155/2021/9312358