Lithium manganese phosphate is considered to be one of the ideal cathode materials for lithium-ion batteries because of its excellent cycle performance,stable structure,and high energy density.In this paper,the research progress in the preparation and modification methods of lithium manganese phosphate cathode materials was reviewed.The advantages and disadvantages of different preparation methods were analyzed and summarized in the modification research of lithium manganese phosphate.The modification methods such as material nanosizing,carbon coating,and ion doping play an important role in improving the electrochemical performance and industrial development of lithium manganese phosphate.The future development direction of lithium manganese phosphate cathode materials is to achieve large-scale production,improve conductivity,and enhance lithium-ion diffusion ability.
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