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240413s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202400169
|2 doi
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|a pubmed24n1468.xml
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|a eng
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|a Chen, Jian
|e verfasserin
|4 aut
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|a Nonflammable Succinonitrile-Based Deep Eutectic Electrolyte for Intrinsically Safe High-Voltage Sodium-Ion Batteries
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|c 2024
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|a Text
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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 Revised 12.07.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a Intrinsically safe sodium-ion batteries are considered as a promising candidate for large-scale energy storage systems. However, the high flammability of conventional electrolytes may pose serious safety threats and even explosions. Herein, a strategy of constructing a deep eutectic electrolyte is proposed to boost the safety and electrochemical performance of succinonitrile (SN)-based electrolyte. The strong hydrogen bond between S═O of 1,3,2-dioxathiolane-2,2-dioxide (DTD) and the α-H of SN endows the enhanced safety and compatibility of SN with Lewis bases. Meanwhile, the DTD participates in the inner Na+ sheath and weakens the coordination number of SN. The unique solvation configuration promotes the formation of robust gradient inorganic-rich electrode-electrolyte interphase, and merits stable cycling of half-cells in a wide temperature range, with a capacity retention of 82.8% after 800 cycles (25 °C) and 86.3% after 100 cycles (60 °C). Correspondingly, the full cells deliver tremendous improvement in cycling stability and rate performance
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|a Journal Article
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|a deep eutectic electrolyte
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|a hydrogen bond
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|a intrinsically safe
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|a nonflammable
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|a sodium‐ion batteries
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|a Yang, Zhuo
|e verfasserin
|4 aut
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|a Xu, Xu
|e verfasserin
|4 aut
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|a Qiao, Yun
|e verfasserin
|4 aut
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|a Zhou, Zhiming
|e verfasserin
|4 aut
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|a Hao, Zhiqiang
|e verfasserin
|4 aut
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|a Chen, Xiaomin
|e verfasserin
|4 aut
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|a Liu, Yang
|e verfasserin
|4 aut
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|a Wu, Xingqiao
|e verfasserin
|4 aut
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|a Zhou, Xunzhu
|e verfasserin
|4 aut
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|a Li, Lin
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|4 aut
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|a Chou, Shu-Lei
|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 36(2024), 28 vom: 12. Juli, Seite e2400169
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:36
|g year:2024
|g number:28
|g day:12
|g month:07
|g pages:e2400169
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|u http://dx.doi.org/10.1002/adma.202400169
|3 Volltext
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