Developing a "Water-Defendable" and "Dendrite-Free" Lithium-Metal Anode Using a Simple and Promising GeCl4 Pretreatment Method

© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - (2018) vom: 30. Juli, Seite e1705711
1. Verfasser: Liao, Kaiming (VerfasserIn)
Weitere Verfasser: Wu, Shichao, Mu, Xiaowei, Lu, Qian, Han, Min, He, Ping, Shao, Zongping, Zhou, Haoshen
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article Li pretreatment Li-O2 battery humid oxygen moist electrolyte
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520 |a Lithium metal is an ultimate anode in "next-generation" rechargeable batteries, such as Li-sulfur batteries and Li-air (Li-O2 ) batteries. However, uncontrollable dendritic Li growth and water attack have prevented its practical applications, especially for open-system Li-O2 batteries. Here, it is reported that the issues can be addressed via the facile process of immersing the Li metal in organic GeCl4 -THF steam for several minutes before battery assembly. This creates a 1.5 µm thick protection layer composed of Ge, GeOx , Li2 CO3 , LiOH, LiCl, and Li2 O on Li surface that allows stable cycling of Li electrodes both in Li-symmetrical cells and Li-O2 cells, especially in "moist" electrolytes (with 1000-10 000 ppm H2 O) and humid O2 atmosphere (relative humidity (RH) of 45%). This work illustrates a simple and effective way for the unfettered development of Li-metal-based batteries 
650 4 |a Journal Article 
650 4 |a Li pretreatment 
650 4 |a Li-O2 battery 
650 4 |a humid oxygen 
650 4 |a moist electrolyte 
700 1 |a Wu, Shichao  |e verfasserin  |4 aut 
700 1 |a Mu, Xiaowei  |e verfasserin  |4 aut 
700 1 |a Lu, Qian  |e verfasserin  |4 aut 
700 1 |a Han, Min  |e verfasserin  |4 aut 
700 1 |a He, Ping  |e verfasserin  |4 aut 
700 1 |a Shao, Zongping  |e verfasserin  |4 aut 
700 1 |a Zhou, Haoshen  |e verfasserin  |4 aut 
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