In Situ Li3 PS4 Solid-State Electrolyte Protection Layers for Superior Long-Life and High-Rate Lithium-Metal Anodes

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

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 30(2018), 45 vom: 30. Nov., Seite e1804684
1. Verfasser: Liang, Jianwen (VerfasserIn)
Weitere Verfasser: Li, Xiaona, Zhao, Yang, Goncharova, Lyudmila V, Wang, Gongming, Adair, Keegan R, Wang, Changhong, Li, Ruying, Zhu, Yongchun, Qian, Yitai, Zhang, Li, Yang, Rong, Lu, Shigang, Sun, Xueliang
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article Li3PS4 lithium batteries lithium-metal anodes solid-state electrolytes surface isolation layer
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520 |a A thin and adjustable Li3 PS4 (LPS) solid-state electrolyte protection layer on the surface of Li is proposed to address the dynamic plating/stripping process of Li metal. The LPS interlayer is formed by an in situ and self-limiting reaction between P4 S16 and Li in N-methyl-2-pyrrolidone. By increasing the concentration of P4 S16 , the thickness of the LPS layer can be adjusted up to 60 nm. Due to the high ionic conductivity and low electrochemical activity of Li3 PS4 , the intimate protection layer of LPS can not only prevent the formation of Li dendrites, but also reduces parasitic side reactions and improves the electrochemical performance. As a result, symmetric cells with the LPS protection layer can deliver stable Li plating/stripping for 2000 h. Full cells assembled with the LPS-protected Li exhibit two times higher capacity retention in Li-S batteries (≈800 mAh g-1 ) at 5 A g-1 for over 400 cycles compared to their bare Li counterparts. Furthermore, high rate performances can be achieved with Li-LPS/LiCoO2 cells, which are capable of cycling at rates as high as 20 C. This innovative and scalable approach to stabilizing the Li anode can serve as a basis for the development of next-generation high-performance lithium-metal batteries 
650 4 |a Journal Article 
650 4 |a Li3PS4 
650 4 |a lithium batteries 
650 4 |a lithium-metal anodes 
650 4 |a solid-state electrolytes 
650 4 |a surface isolation layer 
700 1 |a Li, Xiaona  |e verfasserin  |4 aut 
700 1 |a Zhao, Yang  |e verfasserin  |4 aut 
700 1 |a Goncharova, Lyudmila V  |e verfasserin  |4 aut 
700 1 |a Wang, Gongming  |e verfasserin  |4 aut 
700 1 |a Adair, Keegan R  |e verfasserin  |4 aut 
700 1 |a Wang, Changhong  |e verfasserin  |4 aut 
700 1 |a Li, Ruying  |e verfasserin  |4 aut 
700 1 |a Zhu, Yongchun  |e verfasserin  |4 aut 
700 1 |a Qian, Yitai  |e verfasserin  |4 aut 
700 1 |a Zhang, Li  |e verfasserin  |4 aut 
700 1 |a Yang, Rong  |e verfasserin  |4 aut 
700 1 |a Lu, Shigang  |e verfasserin  |4 aut 
700 1 |a Sun, Xueliang  |e verfasserin  |4 aut 
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773 1 8 |g volume:30  |g year:2018  |g number:45  |g day:30  |g month:11  |g pages:e1804684 
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