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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202306683
|2 doi
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|a pubmed24n1234.xml
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|a (NLM)37672294
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Wang, Mengshi
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Can We See SEI Directly by Naked Eyes?
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 21.12.2023
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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 Stable solid electrolyte interface (SEI) is the key to improve the electrochemical performance of lithium metal batteries (LMBs). However, there are still many puzzles about SEI film that have not been well explained, due to the complexity of electrochemical reactions involving in SEI formation and the absence of direct observation methods for SEI. Here, this work realizes the direct observation of SEI by skillfully designed fluorescent tracers acting as an SEI film-forming additive for electrolytes. These fluorescent tracers have three important moieties: an olefin group for polymerization on anode surface so as to participate in SEI film formation during charge/discharge cycles, a polar group for Li-ion conduction, and an AIEgen for fluorescent tracing. Therefore, the tracers participate in SEI film-forming and result in a shining SEI film. This shining SEI film with intrinsic fluorescence signal allows direct observation and quantification on the distribution, relative abundance, and macro morphology of SEI. These fluorescent tracers can also reveal the SEI formation growth destruction regularity during charge/discharge cycles. Several summarized typical macro morphologies and evolution stages of SEI will enrich knowledge and understanding of SEI and help to gain insight into the interaction between electrolyte and anode, electrochemical performance, and cycle life of batteries
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4 |
|a Journal Article
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4 |
|a aggregation-induced emission (AIE)
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4 |
|a fluorescent tracers
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4 |
|a lithium metal anodes
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4 |
|a solid electrolyte interphase (SEI)
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| 650 |
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4 |
|a visualization
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| 700 |
1 |
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|a Liang, Hongmei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Chengyu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Aiping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Song, Youzhi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Jianlong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Bo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wei, Yen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a He, Xiangming
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Yang
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 51 vom: 06. Dez., Seite e2306683
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:35
|g year:2023
|g number:51
|g day:06
|g month:12
|g pages:e2306683
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202306683
|3 Volltext
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