DOI: 10.1002/smtd.202300911 ISSN: 2366-9608

Challenges and Strategies of Aluminum Anodes for High‐Performance Aluminum–Air Batteries

Yuxin Zhang, Chaonan Lv, Yuanxin Zhu, Jialin Kuang, Haiyan Wang, Yixin Li, Yougen Tang
  • General Materials Science
  • General Chemistry

Abstract

Aluminum–air battery (AAB) is a promising candidate for next‐generation energy storage/conversion systems due to its cost‐effectiveness and impressive theoretical energy density of 8100 Wh kg−1, surpassing that of lithium‐ion batteries. Nonetheless, the practical applicability of AABs is hampered by the occurrence of serious self‐corrosion side reactions and substantial capacity loss, resulting in suboptimal anode utilization. Consequently, improving the anode utilization to facilitate the construction of high‐performance AABs have attracted widespread attention. Herein, the fundamentals and strategies to enhance aluminum anode utilization are reviewed from modifications of aluminum anodes and electrolytes. This comprehensive review may provide a scientific tool for the development of novel AABs in the future.

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