Dual-Functional Interfacial Layer Enabled by Gating-Shielding Effects for Ultra-Stable Zn Anode

© 2024 Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 36(2024), 44 vom: 16. Nov., Seite e2406145
1. Verfasser: Liu, Mingquan (VerfasserIn)
Weitere Verfasser: Wang, Yahui, Li, Yu, Wu, Feng, Li, Huanyu, Li, Ying, Feng, Xin, Long, Bo, Ni, Qiao, Wu, Chuan, Bai, Ying
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article Zn metal batteries bioinspired gating effect dynamical electrostatic shielding electrolyte additive ultra‐long cycling life
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520 |a Large-scale application of low-cost, high-safety and environment-compatible aqueous Zn metal batteries (ZMBs) is hindered by Zn dendrite failure and side reactions. Herein, highly reversible ZMBs are obtained by addition of trace D-pantothenate calcium additives to engineer a dual-functional interfacial layer, which is enabled by a bioinspired gating effect for excluding competitive free water near Zn surface due to the trapping and immobilization of water by hydroxyl groups, and guiding target Zn2+ transport across interface through carboxyl groups of pantothenate anions, as well as a dynamic electrostatic shielding effect around Zn protuberances from Ca2+ cations to ensure uniform Zn2+ deposition. In consequence, interfacial side reactions are perfectly inhibited owing to reduced water molecules reaching Zn surface, and the uniform and compact deposition of Zn2+ is achieved due to promoted Zn2+ transport and deposition kinetics. The ultra-stable symmetric cells with beyond 9000 h at 0.5 mA cm-2 with 0.5 mAh cm-2 and over 5000 h at 5 mA cm-2 with 1 mAh cm-2, and an average Coulombic efficiency of 99.8% at 1 mA cm-2 with 1 mAh cm-2, are amazingly realized. The regulated-electrolyte demonstrates high compatibility with verified cathodes for stable full cells. This work opens a brand-new pathway to regulate Zn/electrolyte interface to promise reversible ZMBs 
650 4 |a Journal Article 
650 4 |a Zn metal batteries 
650 4 |a bioinspired gating effect 
650 4 |a dynamical electrostatic shielding 
650 4 |a electrolyte additive 
650 4 |a ultra‐long cycling life 
700 1 |a Wang, Yahui  |e verfasserin  |4 aut 
700 1 |a Li, Yu  |e verfasserin  |4 aut 
700 1 |a Wu, Feng  |e verfasserin  |4 aut 
700 1 |a Li, Huanyu  |e verfasserin  |4 aut 
700 1 |a Li, Ying  |e verfasserin  |4 aut 
700 1 |a Feng, Xin  |e verfasserin  |4 aut 
700 1 |a Long, Bo  |e verfasserin  |4 aut 
700 1 |a Ni, Qiao  |e verfasserin  |4 aut 
700 1 |a Wu, Chuan  |e verfasserin  |4 aut 
700 1 |a Bai, Ying  |e verfasserin  |4 aut 
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773 1 8 |g volume:36  |g year:2024  |g number:44  |g day:16  |g month:11  |g pages:e2406145 
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