High-Voltage Lithium-Metal Batteries Enabled by Localized High-Concentration Electrolytes

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

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 30(2018), 21 vom: 15. Mai, Seite e1706102
1. Verfasser: Chen, Shuru (VerfasserIn)
Weitere Verfasser: Zheng, Jianming, Mei, Donghai, Han, Kee Sung, Engelhard, Mark H, Zhao, Wengao, Xu, Wu, Liu, Jun, Zhang, Ji-Guang
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article anode batteries high voltage lithium localized high-concentration electrolyte
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520 |a Rechargeable lithium-metal batteries (LMBs) are regarded as the "holy grail" of energy-storage systems, but the electrolytes that are highly stable with both a lithium-metal anode and high-voltage cathodes still remain a great challenge. Here a novel "localized high-concentration electrolyte" (HCE; 1.2 m lithium bis(fluorosulfonyl)imide in a mixture of dimethyl carbonate/bis(2,2,2-trifluoroethyl) ether (1:2 by mol)) is reported that enables dendrite-free cycling of lithium-metal anodes with high Coulombic efficiency (99.5%) and excellent capacity retention (>80% after 700 cycles) of Li||LiNi1/3 Mn1/3 Co1/3 O2 batteries. Unlike the HCEs reported before, the electrolyte reported in this work exhibits low concentration, low cost, low viscosity, improved conductivity, and good wettability that make LMBs closer to practical applications. The fundamental concept of "localized HCEs" developed in this work can also be applied to other battery systems, sensors, supercapacitors, and other electrochemical systems 
650 4 |a Journal Article 
650 4 |a anode 
650 4 |a batteries 
650 4 |a high voltage 
650 4 |a lithium 
650 4 |a localized high-concentration electrolyte 
700 1 |a Zheng, Jianming  |e verfasserin  |4 aut 
700 1 |a Mei, Donghai  |e verfasserin  |4 aut 
700 1 |a Han, Kee Sung  |e verfasserin  |4 aut 
700 1 |a Engelhard, Mark H  |e verfasserin  |4 aut 
700 1 |a Zhao, Wengao  |e verfasserin  |4 aut 
700 1 |a Xu, Wu  |e verfasserin  |4 aut 
700 1 |a Liu, Jun  |e verfasserin  |4 aut 
700 1 |a Zhang, Ji-Guang  |e verfasserin  |4 aut 
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773 1 8 |g volume:30  |g year:2018  |g number:21  |g day:15  |g month:05  |g pages:e1706102 
856 4 0 |u http://dx.doi.org/10.1002/adma.201706102  |3 Volltext 
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