Defect-Free Metal-Organic Framework Membrane for Precise Ion/Solvent Separation toward Highly Stable Magnesium Metal Anode

© 2021 Wiley-VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 34(2022), 6 vom: 05. Feb., Seite e2108114
1. Verfasser: Zhang, Yijie (VerfasserIn)
Weitere Verfasser: Li, Jiang, Zhao, Wanyu, Dou, Huanglin, Zhao, Xiaoli, Liu, Yuan, Zhang, Bowen, Yang, Xiaowei
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2022
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article Mg-ion batteries electro-deposition membrane separation metal-organic frameworks solid-electrolyte interphase
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520 |a Metallic magnesium batteries are promising candidates beyond lithium-ion batteries; however, a passive interfacial layer because of the electro-reduction of solvents on Mg surfaces usually leads to ultrahigh overpotential for the reversible Mg chemistry. Inspired by the excellent separation effect of permselective metal-organic framework (MOF) at angstrom scale, a large-area and defect-free MOF membrane directly on Mg surfaces is here constructed. In this process, the electrochemical deprotonation of ligand can be facilitated to afford the self-correcting of intercrystalline voids until a seamless membrane formed, which can eliminate nonselective intercrystalline diffusion of electrolyte and realize selective Mg2+ transport but precisely separate the solvent molecules from the MOF channels. Compared with the continuous solvent reduction on bare Mg anode, the as-constructed MOF membrane is demonstrated to significantly stabilize the Mg electrode via suppressing the permeation of solvents, hence contributing to a low-overpotential plating/stripping in conventional electrolytes. The concept is demonstrated that membrane separation can serve as solid-electrolyte interphase, which would be widely applicable to other energy-storage systems 
650 4 |a Journal Article 
650 4 |a Mg-ion batteries 
650 4 |a electro-deposition 
650 4 |a membrane separation 
650 4 |a metal-organic frameworks 
650 4 |a solid-electrolyte interphase 
700 1 |a Li, Jiang  |e verfasserin  |4 aut 
700 1 |a Zhao, Wanyu  |e verfasserin  |4 aut 
700 1 |a Dou, Huanglin  |e verfasserin  |4 aut 
700 1 |a Zhao, Xiaoli  |e verfasserin  |4 aut 
700 1 |a Liu, Yuan  |e verfasserin  |4 aut 
700 1 |a Zhang, Bowen  |e verfasserin  |4 aut 
700 1 |a Yang, Xiaowei  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Advanced materials (Deerfield Beach, Fla.)  |d 1998  |g 34(2022), 6 vom: 05. Feb., Seite e2108114  |w (DE-627)NLM098206397  |x 1521-4095  |7 nnns 
773 1 8 |g volume:34  |g year:2022  |g number:6  |g day:05  |g month:02  |g pages:e2108114 
856 4 0 |u http://dx.doi.org/10.1002/adma.202108114  |3 Volltext 
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