Trace Sc3+-electrolyte additive enabling stable Zn metal anodes for aqueous zinc-ion batteries

Chun Chen; Liansheng Li; Zuxin Long; Qinghua Liang

doi:10.1039/D3CC04476A

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Trace Sc³⁺-electrolyte additive enabling stable Zn metal anodes for aqueous zinc-ion batteries†

Chun Chen,

^abc Liansheng Li,

^bc Zuxin Long

^bc and Qinghua Liang

*^abc

Author affiliations

* Corresponding authors

^a School of Rare Earth, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China

^b Key Laboratory of Rare Earth, Chinese Academy of Sciences, Ganzhou, Jiangxi, P. R. China

^c Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou, Jiangxi 341000, P. R. China
E-mail: qhliang@gia.cas.cn

Abstract

Trace Sc³⁺ additive (1.0 mol%) is shown to greatly improve the Coulombic efficiency and cycling stability of Zn metal anodes in aqueous ZnSO₄ electrolyte due to the decreased nucleation overpotential and increased kinetics for Zn plating/stripping. Both Zn‖Zn and Zn‖V₂O₅ cells show enhanced cycling stability and rate capability in the Sc³⁺-modified electrolyte.

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Article information

DOI: https://doi.org/10.1039/D3CC04476A
Article type: Communication
Submitted: 09 Sep 2023
Accepted: 06 Oct 2023
First published: 06 Oct 2023

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Chem. Commun., 2023,59, 13363-13366

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Trace Sc³⁺-electrolyte additive enabling stable Zn metal anodes for aqueous zinc-ion batteries

C. Chen, L. Li, Z. Long and Q. Liang, Chem. Commun., 2023, 59, 13363 DOI: 10.1039/D3CC04476A

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