An intelligent ion-sieving bridge enabled by a zinc-rich artificial SEI layer with high Zn2+-conductivity for reversible zinc metal anodes

Huaisheng Ao; Rouya Wang; Tao Ma; Ruisi Zhang; Xuekun Zhu; Yixin Fang; Xiaofeng Bao; Yuzhe Zhang; Jian Rong; Zhongyu Li

doi:10.1039/D5CC02227D

An intelligent ion-sieving bridge enabled by a zinc-rich artificial SEI layer with high Zn²⁺-conductivity for reversible zinc metal anodes†

Huaisheng Ao,

‡*^a Rouya Wang,‡^a Tao Ma,^a Ruisi Zhang,^b Xuekun Zhu,^a Yixin Fang,^c Xiaofeng Bao,^c Yuzhe Zhang,

*^b Jian Rong^b and Zhongyu Li

*^ab

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* Corresponding authors

^a Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
E-mail: hsao@cczu.edu.cn, zhongyuli@mail.tsinghua.edu.cn

^b School of Environmental Science and Engineering, Changzhou University, Changzhou 213164, China
E-mail: yuzhez@cczu.edu.cn

^c Hua Lookeng Honors College, Changzhou University, Changzhou 213164, China

Abstract

A zinc-rich artificial solid–electrolyte interphase (SEI) layer with high Zn²⁺-conductivity composed of zinc titanate (ZTO), serving as an intelligent ion-sieving bridge, facilitates rapid migration of Zn²⁺ rather than anions to the Zn surface, realizing uniform Zn deposition and inhibition of side reactions. Consequently, the ZTO@Zn anodes exhibit a long-term reversible Zn plating/stripping (4500 h) and a high coulombic efficiency (99.9%).

Chemical Communications

An intelligent ion-sieving bridge enabled by a zinc-rich artificial SEI layer with high Zn²⁺-conductivity for reversible zinc metal anodes†

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An intelligent ion-sieving bridge enabled by a zinc-rich artificial SEI layer with high Zn²⁺-conductivity for reversible zinc metal anodes

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