Rational Design of an  In‐Situ  Polymer‐Inorganic Hybrid Solid Electrolyte Interphase for Realising Stable Zn Metal Anode under Harsh Conditions

Chen, Ruwei; Zhang, Wei; Guan, Chaohong; Zhou, Yundong; Gilmore, Ian S.; Tang, Hao; Zhang, Zhenyu; Dong, Haobo; Dai, Yuhang; Du, Zijuan; Gao, Xuan; Zong, Wei; Xu, Yewei; Jiang, Peie; Liu, Jiyang; Zhao, Fangjia; Li, Jianwei; Wang, Xiaohui; He, Guanjie

doi:10.1002/anie.202401987

articleAngewandte Chemie International EditionMar 25, 2024HYBRID OA

Rational Design of an In‐Situ Polymer‐Inorganic Hybrid Solid Electrolyte Interphase for Realising Stable Zn Metal Anode under Harsh Conditions

RCRuwei Chen WZWei Zhang CGChaohong Guan YZYundong Zhou ISIan S. Gilmore

University College London · South China University of Technology · +2 more institutions

PubMed

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Abstract

Abstract The in‐depth understanding of the composition‐property‐performance relationship of solid electrolyte interphase (SEI) is the basis of developing a reliable SEI to stablize the Zn anode‐electrolyte interface, but it remains unclear in rechargeable aqueous zinc ion batteries. Herein, a well‐designed electrolyte based on 2 M Zn(CF 3 SO 3 ) 2 ‐0.2 M acrylamide‐0.2 M ZnSO 4 is proposed. A robust polymer (polyacrylamide)‐inorganic (Zn 4 SO 4 (OH) 6 .xH 2 O) hybrid SEI is in situ constructed on Zn anodes through controllable polymerization of acrylamide and coprecipitation of SO 4 2− with Zn 2+ and OH − . For the first time, the underlying SEI composition‐property‐performance relationship is systematically…

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Topics & keywords

Topics

Keywords

Interphase
Electrolyte
Anode
Metal
In situ
Polymer
Materials science
Inorganic chemistry

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