钠离子电池正极材料研究进展

Progress in Cathode Materials for Sodium⁃Ion Batteries

游济远 曹永安 孟绍良 赵久成 吴军 王文举

Jiyuan You Yongan Cao Shaoliang Meng Jiucheng Zhao Jun Wu Wenju Wang

南京理工大学 能源与动力工程学院，江苏 南京 210000 南京瑞华新能源电池科技有限公司，江苏 南京 221000

School of Energy and Power Engineering，Nanjing University of Science and Technology，Nanjing Jiangsu 210000，China Nanjing Ruihua New Energy Battery Technology Co. ，Ltd. ，Nanjing Jiangsu 221000，China

面对化石燃料日益枯竭、锂资源短缺等问题，钠离子电池以资源丰富、理论成本低、快充性能好、低温性能优异等优势被认为是发展新能源、大规模储能和低速电动交通工具中具有较大潜力的二次电池。钠离子电池正极材料是影响电池能量密度、循环性能、倍率性能等参数的重要因素之一，钠离子电池正极材料包括过渡金属氧化物、聚阴离子类化合物、普鲁士蓝类化合物和有机类化合物。总结并介绍了钠离子正极材料，概括了钠离子电池的优劣势，分析了各类正极材料的自身特性和研究方向，对钠离子电池正极材料的发展方向进行了展望。

Against the background of fossil fuel exhaustion and lithium resources shortage,sodium?ion batteries are considered promising secondary batteries due to their abundant resources,low theoretical cost, good quick?charge performance and excellent low?temperature performance.They are expected to play a key role in developing new energy,large?scale energy storage and low?speed electric vehicles.The selected cathode material is one of the important factors influencing the energy density,cycling performance and rate performance of a sodium?ion battery.This paper reviews the cathode materials of sodium?ion batteries,including transition metal oxides, polyanionic compounds,Prussian blue compounds and organic compounds.The paper introduced the advantages and disadvantages of sodium?ion batteries,analyzed the characteristics and research focuses of various cathode materials,and provided an outlook on the development direction of cathode materials for sodium?ion batteries.

国家自然科学基金项目(21676148);中央高校基本科研业务费专项资金资助(30918012202)

10.3969/j.issn.1006-396X.2022.02.001