Electrolyte Design for High-Voltage Lithium-Metal Batteries with Synthetic Sulfonamide-Based Solvent and Electrochemically Active Additives

© 2024 Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 36(2024), 24 vom: 08. Juni, Seite e2401615
1. Verfasser: Kim, Saehun (VerfasserIn)
Weitere Verfasser: Jeon, Ji Hwan, Park, Kyobin, Kweon, Seong Hyeon, Hyun, Jae-Hwan, Song, Chaeeun, Lee, Donghyun, Song, Gawon, Yu, Seung-Ho, Lee, Tae Kyung, Kwak, Sang Kyu, Lee, Kyu Tae, Hong, Sung You, Choi, Nam-Soon
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article 1‐((trifluoromethyl)sulfonyl)piperidine cathode–electrolyte interface high‐voltage lithium‐metal batteries multilayer solid‐electrolyte interphase solvation structure
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520 |a Considering practical viability, Li-metal battery electrolytes should be formulated by tuning solvent composition similar to electrolyte systems for Li-ion batteries to enable the facile salt-dissociation, ion-conduction, and introduction of sacrificial additives for building stable electrode-electrolyte interfaces. Although 1,2-dimethoxyethane with a high-donor number enables the implementation of ionic compounds as effective interface modifiers, its ubiquitous usage is limited by its low-oxidation durability and high-volatility. Regulation of the solvation structure and construction of well-structured interfacial layers ensure the potential strength of electrolytes in both Li-metal and LiNi0.8Co0.1Mn0.1O2 (NCM811). This study reports the build-up of multilayer solid-electrolyte interphase by utilizing different electron-accepting tendencies of lithium difluoro(bisoxalato) phosphate (LiDFBP), lithium nitrate, and synthetic 1-((trifluoromethyl)sulfonyl)piperidine. Furthermore, a well-structured cathode-electrolyte interface from LiDFBP effectively addresses the issues with NCM811. The developed electrolyte based on a framework of highly- and weakly-solvating solvents with interface modifiers enables the operation of Li|NCM811 cells with a high areal capacity cathode (4.3 mAh cm-2) at 4.4 V versus Li/Li+ 
650 4 |a Journal Article 
650 4 |a 1‐((trifluoromethyl)sulfonyl)piperidine 
650 4 |a cathode–electrolyte interface 
650 4 |a high‐voltage lithium‐metal batteries 
650 4 |a multilayer solid‐electrolyte interphase 
650 4 |a solvation structure 
700 1 |a Jeon, Ji Hwan  |e verfasserin  |4 aut 
700 1 |a Park, Kyobin  |e verfasserin  |4 aut 
700 1 |a Kweon, Seong Hyeon  |e verfasserin  |4 aut 
700 1 |a Hyun, Jae-Hwan  |e verfasserin  |4 aut 
700 1 |a Song, Chaeeun  |e verfasserin  |4 aut 
700 1 |a Lee, Donghyun  |e verfasserin  |4 aut 
700 1 |a Song, Gawon  |e verfasserin  |4 aut 
700 1 |a Yu, Seung-Ho  |e verfasserin  |4 aut 
700 1 |a Lee, Tae Kyung  |e verfasserin  |4 aut 
700 1 |a Kwak, Sang Kyu  |e verfasserin  |4 aut 
700 1 |a Lee, Kyu Tae  |e verfasserin  |4 aut 
700 1 |a Hong, Sung You  |e verfasserin  |4 aut 
700 1 |a Choi, Nam-Soon  |e verfasserin  |4 aut 
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773 1 8 |g volume:36  |g year:2024  |g number:24  |g day:08  |g month:06  |g pages:e2401615 
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