Tuning the Anode-Electrolyte Interface Chemistry for Garnet-Based Solid-State Li Metal Batteries

© 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 32(2020), 23 vom: 03. Juni, Seite e2000030
1. Verfasser: Deng, Tao (VerfasserIn)
Weitere Verfasser: Ji, Xiao, Zhao, Yang, Cao, Longsheng, Li, Shuang, Hwang, Sooyeon, Luo, Chao, Wang, Pengfei, Jia, Haiping, Fan, Xiulin, Lu, Xiaochuan, Su, Dong, Sun, Xueliang, Wang, Chunsheng, Zhang, Ji-Guang
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article garnet electrolytes interfacial chemistry lithium dendrites solid-electrolyte interphase solid-state batteries
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520 |a Lithium (Li) metal is a promising candidate as the anode for high-energy-density solid-state batteries. However, interface issues, including large interfacial resistance and the generation of Li dendrites, have always frustrated the attempt to commercialize solid-state Li metal batteries (SSLBs). Here, it is reported that infusing garnet-type solid electrolytes (GSEs) with the air-stable electrolyte Li3 PO4 (LPO) dramatically reduces the interfacial resistance to ≈1 Ω cm2 and achieves a high critical current density of 2.2 mA cm-2 under ambient conditions due to the enhanced interfacial stability to the Li metal anode. The coated and infused LPO electrolytes not only improve the mechanical strength and Li-ion conductivity of the grain boundaries, but also form a stable Li-ion conductive but electron-insulating LPO-derived solid-electrolyte interphase between the Li metal and the GSE. Consequently, the growth of Li dendrites is eliminated and the direct reduction of the GSE by Li metal over a long cycle life is prevented. This interface engineering approach together with grain-boundary modification on GSEs represents a promising strategy to revolutionize the anode-electrolyte interface chemistry for SSLBs and provides a new design strategy for other types of solid-state batteries 
650 4 |a Journal Article 
650 4 |a garnet electrolytes 
650 4 |a interfacial chemistry 
650 4 |a lithium dendrites 
650 4 |a solid-electrolyte interphase 
650 4 |a solid-state batteries 
700 1 |a Ji, Xiao  |e verfasserin  |4 aut 
700 1 |a Zhao, Yang  |e verfasserin  |4 aut 
700 1 |a Cao, Longsheng  |e verfasserin  |4 aut 
700 1 |a Li, Shuang  |e verfasserin  |4 aut 
700 1 |a Hwang, Sooyeon  |e verfasserin  |4 aut 
700 1 |a Luo, Chao  |e verfasserin  |4 aut 
700 1 |a Wang, Pengfei  |e verfasserin  |4 aut 
700 1 |a Jia, Haiping  |e verfasserin  |4 aut 
700 1 |a Fan, Xiulin  |e verfasserin  |4 aut 
700 1 |a Lu, Xiaochuan  |e verfasserin  |4 aut 
700 1 |a Su, Dong  |e verfasserin  |4 aut 
700 1 |a Sun, Xueliang  |e verfasserin  |4 aut 
700 1 |a Wang, Chunsheng  |e verfasserin  |4 aut 
700 1 |a Zhang, Ji-Guang  |e verfasserin  |4 aut 
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773 1 8 |g volume:32  |g year:2020  |g number:23  |g day:03  |g month:06  |g pages:e2000030 
856 4 0 |u http://dx.doi.org/10.1002/adma.202000030  |3 Volltext 
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