铝离子电池电解质的研究进展

Research progress of electrolytes for aluminum ion batteries

由于社会的快速发展,人们对二次离子电池的要求日益提高。铝离子电池具有成本低、安全性高、循环性能好等优点,是未来替代锂离子电池的理想储能体系。电解质作为电池系统重要组成之一,起到传输离子、连通电路的作用,对电池性能具有直接影响。因此,设计和制备具有良好综合性能的电解质一直是铝离子电池领域的研究热点。本文对目前铝离子电池的液态电解质、无机固态电解质和聚合物电解质的研究现状进行了总结,从成本、电化学窗口、化学稳定性和离子电导率等方面对它们的性能进行了分析,并对未来铝离子电池电解质的发展方向进行了展望。

Due to the rapid development of society,demands for secondary ion batteries are gradually increasing.Aluminum-ion battery has a lot of advantages,such as low cost,high safety and good cycle performance.Thus,it is an ideal energy storage system to replace lithium-ion battery in the future.As an important component of battery system,electrolyte plays a key role in transferring ions and connecting circuits,and has a direct impact on battery performance.Therefore,designing and preparing of electrolytes with good overall performance has become a research hotspot in aluminum-ion batteries.This article summarizes the current research status of liquid electrolytes,inorganic solid electrolytes and polymer electrolytes for aluminum-ion batteries,analyzes their performance in terms of cost,electrochemical window,chemical stability and ionic conductivity.The future development direction of aluminum-ion battery electrolytes is prospected.