Subtly manipulating Zn2+-coordinated configurations with a complexing agent to boost the reversibility of the zinc anode

Jingjing Xiang; Minghe Luo; Xingxing Wu; Yaofeng Zhu; Xuan Zhang; Hongge Pan; Wenping Sun; Mi Yan; Yingying Lu; Yinzhu Jiang

doi:10.1039/D2CC02769K

Subtly manipulating Zn²⁺-coordinated configurations with a complexing agent to boost the reversibility of the zinc anode†

Jingjing Xiang,‡^abc Minghe Luo,‡^a Xingxing Wu,‡^b Yaofeng Zhu,*^c Xuan Zhang,^b Hongge Pan,^ad Wenping Sun,

^a Mi Yan,^a Yingying Lu

*^be and Yinzhu Jiang

*^ab

Author affiliations

* Corresponding authors

^a School of Materials Science and Engineering, Zhejiang University, Hangzhou, P. R. China
E-mail: yzjiang@zju.edu.cn

^b ZJU-Hangzhou Global Scientific and Technological Innovation Centre, Zhejiang University, Hangzhou, P. R. China

^c School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, P. R. China
E-mail: yfzhu@zstu.edu.cn

^d Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, P. R. China

^e State Key Laboratory of Chemical Engineering, Institute of Pharmaceutical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, P. R. China
E-mail: yingyinglu@zju.edu.cn

Abstract

By using ethylenediamine (En) as a complexing agent, the impact of various Zn²⁺ coordinated configurations on Zn anode reversibility was systematically studied. With the predominant configurations of [Zn(En)]²⁺ and [Zn(En)₂]²⁺ in the electrolyte, both symmetric Zn/Zn cells and Zn/NiHCF full cells exhibit significantly improved cycling stability compared to the counterparts with pure ZnSO₄ electrolyte.

This article is part of the themed collection: Electrochemical Energy

Chemical Communications

Subtly manipulating Zn²⁺-coordinated configurations with a complexing agent to boost the reversibility of the zinc anode†

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Subtly manipulating Zn²⁺-coordinated configurations with a complexing agent to boost the reversibility of the zinc anode

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