锂离子电池磷酸锰铁锂正极材料的研究进展
Research Progress on Lithium Manganese Iron Phosphate Cathode Materials for Lithium-Ion Batteries
DOI: 10.12677/ms.2026.167152, PDF,    科研立项经费支持
作者: 覃陈好, 邓创浩, 李华昱, 邓健秋*：桂林电子科技大学材料科学与工程学院，广西 桂林；曾俊豪：广西安德丰新能源有限公司，广西 百色；胡 雷：广西友山资源再生有限公司，广西 玉林
关键词: 锂离子电池；正极材料；磷酸锰铁锂；合成方法；性能优化；Lithium-Ion Battery； Cathode Materials； Lithium Manganese Iron Phosphate； Synthesis Method； Performance Modification
摘要: 磷酸锰铁锂(LMFP)作为兼具高能量密度与高安全性的橄榄石型正极材料，是锂离子电池正极材料的重要研究方向之一。文章围绕LMFP的基本结构与储锂机制、主流合成方法、性能优化策略及两相混合体系展开系统梳理，重点分析了固相法与液相法的优劣，以及纳米化与形貌控制、离子掺杂、碳包覆等改性手段的作用机制。研究指出，杂原子掺杂碳包覆、多元素共掺杂及LMFP与三元材料的两相混合，能有效破解LMFP导电性差、离子扩散慢的核心短板。文章为全面了解LMFP研究现状提供了参考，并对磷酸锰铁锂正极材料未来研究方向进行展望。
Abstract: Lithium iron manganese phosphate (LMFP), as an olivine-type cathode material with both high energy density and high safety, is one of the important research directions for cathode materials in lithium-ion batteries. This review systematically sorts out the basic structure, lithium storage mechanism, mainstream synthesis methods, performance optimization strategies of LMFP and its two-phase hybrid systems. It focuses on analyzing the advantages and disadvantages of solid-phase and liquid-phase methods, as well as the action mechanisms of modification methods such as nanosizing and morphology control, ion doping, and carbon coating. It is demonstrated that heteroatom-doped carbon coating, multi-element co-doping, and two-phase mixing of LMFP and ternary materials can effectively solve the core shortcomings of poor electrical conductivity and slow ion diffusion of LMFP. This article provides a reference for a comprehensive understanding of the current research status of LMFP and offers prospects for the future research directions of lithium iron manganese phosphate cathode materials.
文章引用：覃陈好, 曾俊豪, 邓创浩, 李华昱, 胡雷, 邓健秋. 锂离子电池磷酸锰铁锂正极材料的研究进展[J]. 材料科学, 2026, 16(7): 21-35. https://doi.org/10.12677/ms.2026.167152

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