articleAdvanced MaterialsJul 17, 2024Closed access

Trace Small Molecular/Nano‐Colloidal Multiscale Electrolyte Additives Enable Ultra‐Long Lifespan of Zinc Metal Anodes

XXXuemei XiaoXYXiaoman YeZWZhijing WuXWXin WuJYJuezhi Yu

Sun Yat-sen University

PubMed
Indexed incrossrefpubmed

Abstract

Abstract Electrolyte additives are efficient to improve the performance of aqueous zinc‐ion batteries (AZIBs), yet the current electrolyte additives are limited to fully water‐soluble additives (FWAs) and water‐insoluble additives (WIAs). Herein, trace slightly water‐soluble additives (SWAs) of zinc acetylacetonate (ZAA) were introduced to aqueous ZnSO 4 electrolytes. The SWA system of ZAA is composed of a FWA part and a WIA part in a dynamic manner of dissolution equilibrium. The FWA part exists as soluble small molecules, which efficiently regulate Zn 2+ ion solvation structure, while the WIA part exists as insoluble nano‐colloids, which in‐situ form a thick and robust solid electrolyte interface film on…

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111
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Authors

7

Topics & keywords

Topics
Keywords
  • Materials science
  • Electrolyte
  • Zinc
  • TRACE (psycholinguistics)
  • Nano-
  • Colloid
  • Anode
  • Nanotechnology
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