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Electrolyte design strategies, failure mechanisms, and future perspectives for wide-temperature-range aqueous zinc-ion batteries

Author

Listed:
  • Li, Wentao
  • Zhou, Yixin
  • Du, Jingjing
  • Xu, Lijian
  • Chen, Yi
  • Sun, Aokui

Abstract

Aqueous zinc-ion batteries (AZIBs) have emerged as a promising alternative to lithium-ion batteries (LIBs) due to their high safety, low cost, and environmental friendliness. However, aqueous electrolytes face inherent challenges such as freezing at low temperatures and water loss at high temperatures. Achieving reliable operation of AZIBs under extreme conditions remains a significant challenge and has attracted considerable research attention. Furthermore, extreme temperatures can exacerbate parasitic side reactions, including hydrogen evolution reaction (HER) and zinc dendrite formation. This review begins by outlining the failure mechanisms of AZIBs under various temperature conditions, followed by a comprehensive discussion of design strategies to mitigate these issues. Various electrolyte optimization approaches are examined, including solute optimization, functional additives, cosolvents, ionic liquids, deep eutectic electrolytes, and hydrogel-based systems. The article provides a detailed overview of the basic components, operating principles, and unique features of wide-temperature-range AZIBs. Additionally, persistent challenges and bottlenecks regarding AZIBs are summarized, together with constructive perspectives and future research directions. This review aims to offer valuable insights and practical guidelines for developing next-generation electrolyte systems for high-quality, wide-temperature-range AZIBs.

Suggested Citation

  • Li, Wentao & Zhou, Yixin & Du, Jingjing & Xu, Lijian & Chen, Yi & Sun, Aokui, 2026. "Electrolyte design strategies, failure mechanisms, and future perspectives for wide-temperature-range aqueous zinc-ion batteries," Applied Energy, Elsevier, vol. 410(C).
    • Handle: RePEc:eee:appene:v:410:y:2026:i:c:s0306261926002321
    DOI: 10.1016/j.apenergy.2026.127580
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