水系铝离子电池的研究进展与挑战

Research Progress and Challenges of Aqueous Aluminum Ion Batteries

金属铝具有极高的理论质量比容量和体积比容量,且丰度高、成本低。水系电解液由于具有离子电导率高、低易燃性等优点而被广泛应用于多种金属离子电池中。在过去的几年中,水系铝离子电池已经取得了快速进展。介绍了金属铝负极的优化,电解质的选择和电极材料的研究进展,并讨论了存在的挑战和可能的解决策略。

Aluminum metal delivers great theoretical gravimetric capacity and volumetric capacity,high abundance and low cost.Aqueous electrolytes are widely used in many kinds of metal ion batteries because of their high ionic conductivity and low flammability.Aqueous aluminum ion batteries have been developed rapidly in recent years.This review introduced the optimization of aluminum metal anode,the selection of electrolytes and the research progress of electrode materials.In addition,some challenges in aqueous aluminum ion batteries and possible solutions were also discussed.