锂离子电池铁基负极材料研究进展

Research Progress of Iron-Based Anode Materials for Lithium-Ion Battery

铁基负极材料具有理论比容量高、反应电位低、环境友好等优势,成为锂离子电池领域的研究热点。然而,铁基负极材料在电池循环中存在体积膨胀大、离子/电子输运能力差等问题,较大地影响了铁基负极材料的广泛应用。基于这些问题,从纳米化构筑、碳材料复合和晶体结构调控等方面,综述了铁基负极材料的相关研究进展,以期为高性能铁基锂离子电池负极材料的研究和发展提供有效建议。

Iron-based anode materials,have the advantages of high theoretical specific capacity,low reaction potential and environmental friendliness,have become a research hotspot in the field of lithium-ion batteries.However,iron-based anode materials have the problems such as large volume expansion,poor electron and ionic conductivity in battery reactions,which greatly affects the wide application of iron-based anode materials.Based on these problems,the relevant research progress of iron-based anode materials from the aspects of nanoengineering,carbon materialsmodification and crystal structure regulation is reviewed.It will provide a valuable theoretical reference for the research and development of iron-based anode materials for high-performance lithium-ion batteries.