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March 29, 2026The Journal of Physical Chemistry Letters

In Situ Zn 2+ Etching of MXene Coating Unlocks 5000-Cycle Dendrite-Free Zinc Anodes

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Authors

XLXiangyu LuoXLXinyue LiYSYang Song

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Overview

Experiments demonstrate 5000-cycle stability in zinc-ion batteries with a new eco-friendly MXene coating, indicating significant improvement in performance.

Key Points

  • The aim is to enhance zinc anode performance in zinc-ion batteries by developing a green etching process using Zn2+ ions.
  • Developed an in situ conversion strategy to form MXene coatings on zinc anodes.
  • Used Zn2+ ions as an etchant for creating protective MXene coatings during battery operation.
  • Characterized the electrochemical performance through symmetric and asymmetric cell tests.
  • Symmetric cells sustained over 5000 cycles at a current density of 10 mA cm-2.
  • Asymmetric cells achieved a Coulombic efficiency of 99.19% over 700 cycles.
  • The strategy resulted in uniform zinc deposition and prevented dendrite formation.

Cite This Study

Luo et al. (2026) studied this question.

synapsesocial.com/papers/69c8c3a8de0f0f753b39e97chttps://doi.org/10.1021/acs.jpclett.6c00312
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