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240717s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202405790
|2 doi
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|a pubmed25n1249.xml
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|a DE-627
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|a eng
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| 100 |
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|a Yang, Qin
|e verfasserin
|4 aut
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| 245 |
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|a An Electrolyte Engineered Homonuclear Copper Complex as Homogeneous Catalyst for Lithium-Sulfur Batteries
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|c 2024
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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 Revised 18.09.2024
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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 Lithium-sulfur (Li-S) batteries suffer from severe polysulfide shuttle, retarded sulfur conversion kinetics and notorious lithium dendrites, which has curtailed the discharge capacity, cycling lifespan and safety. Engineered catalysts act as a feasible strategy to synchronously manipulate the evolution behaviors of sulfur and lithium species. Herein, a chlorine bridge-enabled binuclear copper complex (Cu-2-T) is in situ synthesized in electrolyte as homogeneous catalyst for rationalizing the Li-S redox reactions. The well-designed Cu-2-T provides completely active sites and sufficient contact for homogeneously guiding the Li2S nucleation/decomposition reactions, and stabilizing the lithium working interface according to the synchrotron radiation X-ray 3D nano-computed tomography, small angle neutron scattering and COMSOL results. Moreover, Cu-2-T with the content of 0.25 wt% approaching saturated concentration in electrolyte further boosts the homogeneous optimization function in really operated Li-S batteries. Accordingly, the capacity retention of the Li-S battery is elevated from 51.4% to 86.3% at 0.2 C, and reaches 77.0% at 1.0 C over 400 cycles. Furthermore, the sulfur cathode with the assistance of Cu-2-T realizes the stable cycling under the practical scenarios of soft-packaged pouch cell and high sulfur loading (6.5 mg cm-2 with the electrolyte usage of 4.5 µL mgS -1)
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|a Journal Article
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|a electrolyte engineering
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|a homogeneous catalyst
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|a lithium evolution
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|a lithium–sulfur battery
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|a sulfur reaction
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| 700 |
1 |
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|a Shen, Shiying
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Han, Zhiyuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Guanwu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Dong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Qingchun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Song, Lixian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Dong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Guangmin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Song, Yingze
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 36 vom: 17. Sept., Seite e2405790
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
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|g volume:36
|g year:2024
|g number:36
|g day:17
|g month:09
|g pages:e2405790
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202405790
|3 Volltext
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