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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202207155
|2 doi
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|a pubmed25n1160.xml
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|a (DE-627)NLM348303017
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|a (NLM)36316232
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|a eng
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|a Liu, Xu
|e verfasserin
|4 aut
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|a Locally Concentrated Ionic Liquid Electrolyte with Partially Solvating Diluent for Lithium/Sulfurized Polyacrylonitrile Batteries
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 09.12.2022
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|a Date Revised 09.12.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a The development of Li/sulfurized polyacrylonitrile (SPAN) batteries requires electrolytes that can form stable electrolyte/electrode interphases simultaneously on lithium-metal anodes (LMAs) and SPAN cathodes. Herein, a low-flammability locally concentrated ionic liquid electrolyte (LCILE) employing monofluorobenzene (mFBn) as the diluent is proposed for Li/SPAN cells. Unlike non-solvating diluents in other LCILEs, mFBn partially solvates Li+ , decreasing the coordination between Li+ and bis(fluorosulfonyl)imide (FSI- ). In turn, this triggers a more substantial decomposition of FSI- and consequently results in the formation of a solid electrolyte interphase (SEI) rich in inorganic compounds, which enables a remarkable Coulombic efficiency (99.72%) of LMAs. Meanwhile, a protective cathode electrolyte interphase (CEI), derived mainly from FSI- and organic cations, is generated on the SPAN cathodes, preventing the dissolution of polysulfides. Benefiting from the robust interphases simultaneously formed on both the electrodes, a highly stable cycling of Li/SPAN cells for 250 cycles with a capacity retention of 71% is achieved employing the LCILE and only 80% lithium-metal excess
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|a Journal Article
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|a ionic liquids
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|a lithium-metal anodes
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|a locally concentrated electrolytes
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|a sulfurized polyacrylonitrile
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1 |
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|a Diemant, Thomas
|e verfasserin
|4 aut
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1 |
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|a Mariani, Alessandro
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dong, Xu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Di Pietro, Maria Enrica
|e verfasserin
|4 aut
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|a Mele, Andrea
|e verfasserin
|4 aut
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| 700 |
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|a Passerini, Stefano
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 34(2022), 49 vom: 27. Dez., Seite e2207155
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g volume:34
|g year:2022
|g number:49
|g day:27
|g month:12
|g pages:e2207155
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|u http://dx.doi.org/10.1002/adma.202207155
|3 Volltext
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