The high cost and scarcity of lithium resources have prompted researchers to seek alternatives to lithium-ion batteries. Among emerging “Beyond Lithium” batteries, rechargeable aluminum-ion batteries (AIBs) are yet another attractive electrochemical storage device due to their high specific capacity and the abundance of aluminum. Although the current electrochemical performance of nonaqueous AIBs is better than aqueous AIBs (AAIBs), AAIBs have recently gained attention due to their low cost and enhanced safety. Extensive efforts are devoted to developing AAIBs in the last few years. Yet, it is still challenging to achieve stable electrodes with good electrochemical performance and electrolytes without side reactions. This review summarizes the recent progress in the exploration of anode and cathode materials and the selection of electrolytes of AAIBs. Lastly, the main challenges and future research outlook of high-performance AAIBs are also presented.

中文翻译：

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可充电水系铝离子电池：进展与展望

锂资源的高成本和稀缺性促使研究人员寻求锂离子电池的替代品。在新兴的“超越锂”电池中，可充电铝离子电池 (AIB) 因其高比容量和丰富的铝而成为另一种有吸引力的电化学存储设备。虽然目前非水系 AIBs 的电化学性能优于水系 AIBs (AAIBs)，但最近 AAIBs 因其低成本和增强的安全性而受到关注。在过去几年中，人们致力于开发 AAIBs。然而，要获得具有良好电化学性能的稳定电极和无副反应的电解质仍然具有挑战性。本综述总结了近年来在正极材料和正极材料的探索以及 AAIBs 电解质的选择方面取得的进展。最后，还介绍了高性能 AAIBs 的主要挑战和未来研究展望。