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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202300841
|2 doi
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|a pubmed24n1181.xml
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|a (DE-627)NLM354349953
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|a (NLM)36929515
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|a DE-627
|b ger
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|e rakwb
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|a eng
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| 100 |
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|a Guo, Dong
|e verfasserin
|4 aut
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|a Electrolytes with Solvating Inner Sheath Engineering for Practical Na-S Batteries
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 15.06.2023
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|a Date Revised 15.06.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a Sodium-sulfur (Na-S) batteries with durable Na-metal stability, shuttle-free cyclability, and long lifespan are promising to large-scale energy storages. However, meeting these stringent requirements poses huge challenges with the existing electrolytes. Herein, a localized saturated electrolyte (LSE) is proposed with 2-methyltetrahydrofuran (MeTHF) as an inner sheath solvent, which represents a new category of electrolyte for Na-S system. Unlike the traditional high concentration electrolytes, the LSE is realized with a low salt-to-solvent ratio and low diluent-to-solvent ratio, which pushes the limit of localized high concentration electrolyte (LHCE). The appropriate molecular structure and solvation ability of MeTHF regulate a saturated inner sheath, which features a reinforced coordination of Na+ to anions, enlarged Na+ -solvent distance, and weakened anion-diluent interaction. Such electrolyte configuration is found to be the key to build a sustainable interphase and a quasi-solid-solid sulfur redox process, making a dendrite-inhibited and shuttle-free Na-S battery possible. With this electrolyte, pouch cells with decent cycling performance under rather demanding conditions are demonstrated
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|a Journal Article
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|a electrolyte regulation
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|a sodium sulfur batteries
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|a sodium-metal anode
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|a solid-electrolyte interface
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|a solvation structure
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|a Wang, Jiaao
|e verfasserin
|4 aut
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|a Lai, Tianxing
|e verfasserin
|4 aut
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|a Henkelman, Graeme
|e verfasserin
|4 aut
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|a Manthiram, Arumugam
|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 35(2023), 24 vom: 15. Juni, Seite e2300841
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:35
|g year:2023
|g number:24
|g day:15
|g month:06
|g pages:e2300841
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|u http://dx.doi.org/10.1002/adma.202300841
|3 Volltext
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