钠离子电池电解液添加剂的研究进展

Research Progress of Electrolyte Additives for Sodium⁃Ion Batteries

赵恩锋 武宏大 蔡天凤 杨占旭

Enfeng ZHAO Hongda WU Tianfeng CAI Zhanxu YANG

辽宁石油化工大学 石油化工学院，辽宁 抚顺 113001

School of Petrochemical Engineering，Liaoning Petrochemical University，Fushun Liaoning 113001，China

随着锂离子电池价格的显著上涨，低成本、高能效的钠离子电池引起了广泛关注。电解液作为连接钠离子电池正负极材料的桥梁，具有至关重要的作用。针对不同电极材料构建适合的电解液体系，可以有效地提升钠离子电池的首次库伦效率、循环稳定性以及倍率性能。阐述了各类电解液添加剂在钠离子电池体系中的研究进展，并探讨了界面膜的形成机理；对未来电解液添加剂的研究方向进行了展望。

With the significant increase in the price of lithium?ion batteries,low-cost,energy-efficient sodium-ion batteries have attracted widespread attention.As a bridge connecting the positive and negative materials of sodium ion batteries,the electrolyte plays a crucial role.The first coulomb efficiency,cycle stability and rate performance of sodium?ion batteries can be effectively improved by constructing suitable electrolytic liquid system for different electrode materials.In this paper,the research progress of various electrolyte additives in sodium?ion battery systems,the formation mechanism of interface film and the future research direction of electrolyte additives have been discussed.

国家自然科学基金面上项目(21671092);辽宁省应用基础研究计划项目(2023JH2)

10.12422/j.issn.1006-396X.2024.05.008