Voltage Decay of Lithium-Rich Manganese-Based Materials and its Modification Strategy

Abstract Lithium rich manganese-based cathode material (LMR) xLi₂MnO₃·(1-x)LiMO₂ is considered to be the most promising cathode material for lithium-ion batteries in the future due to its high specific capacity and low cost. However, LMR cathodes faced with severe voltage fade problems which shortening the cycle life of LMR cathodes and limiting the industrialization process of LMR cathodes. The paper expounded the voltage fade of LMR cathodes, summarized the influence of voltage attenuation on crystal structure, introduced the factors affecting the voltage decay of LMR cathodes, gave the solution to alleviate the voltage decay of LMR materials, and outlooked the application and developing direction of LMR cathodes.

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	Liu Yanchen
	Chen Yafen
	Wang Jing
	Wu Junwei
	He Yanbing

Keywords： lithium-rich manganese-based material； cathode materials； voltage decay； cathodes modification

Received 2019-09-01;

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Liu Yanchen, Chen Yafen, Wang Jing, Wu Junwei, He Yanbing.Voltage Decay of Lithium-Rich Manganese-Based Materials and its Modification Strategy[J] Chemcial Industry and Engineering, 2020,V37(1): 34-44

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