| INORGANIC MATERIALS AND CERAMIC MATRIX COMPOSITES |
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| Synergistic Modification of Lithium-rich Manganese-based Cathode Materials via LATP and Spinel Phase |
| HUANG Yicong1, ZHENG Wenyu1, YI Zhuoyan1, LIANG Honghua1, LIU Wenping1, ZHAO Yunyun1, ZHU Guisheng1,*, XU Huarui1,2
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1 Guangxi Key Laboratory of Information Materials, Engineering Research Center of Electronic Information Materials and Devices of Ministry of Education, School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, Guangxi, China;
2 School of Petroleum and Chemical Engineering, Beibu Gulf University, Qinzhou 535011, Guangxi, China |
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Abstract Due to the irreversible loss of lattice oxygen and severe interfacial side reactions, lithium-rich manganese-based materials face issues such as less desirable initial coulombic efficiency, less satisfactory rate capability, and less sufficient cycling stability. In order to tackle these challenges, this study used the solvothermal method to synthesize spherical lithium-rich manganese-based cathode materials. Aside from that, the materials were optimized through a collaborative modification strategy by employing the fast ionic conductor Li1.4Al0.4Ti1.6(PO4)3 (LATP) and in-situ spinel phase. The modified sample has a first effect that is 8.85% higher than PLMR, as evidenced by the findings above. After 200 cycles at 1C rate, the specific discharge capacity reaches 174.2 mAh·g-1, and the capacity retention rate is 81.82%. The rate performance is conspicuously ameliorated. This study offers a novel idea for the design of high-performance lithium-rich manganese based cathode materials.
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Published: 10 March 2026
Online: 2026-03-10
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2026, Vol. 40 
