Electrolyte additive engineering for enhanced stability of sodium vanadate cathodes in aqueous zinc-ion batteries

Green Chem., 2025, Advance Article
DOI: 10.1039/D5GC01896J, Paper

Jun-Peng Wang, Chenxi Luo, Fu-Da Yu, Lan-Fang Que, Rui-Chi Li, Jun-Sen Jiang, Can-Zhong Lu, Yiming Xie
Na_0.33V₂O₅ (NVO) suffers from dissolution. Ex situ XRD reveals the mechanism. Adding NaClO₄ induces Na⁺/Zn²⁺ co-intercalation, replenishing Na⁺, stabilizing the structure, and suppressing dissolution for better performance.
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