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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201904876
|2 doi
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|a pubmed24n1010.xml
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|a (DE-627)NLM303009675
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|a DE-627
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|a eng
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| 100 |
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|a Tian, Yuan
|e verfasserin
|4 aut
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|a Low-Bandgap Se-Deficient Antimony Selenide as a Multifunctional Polysulfide Barrier toward High-Performance Lithium-Sulfur Batteries
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|c 2020
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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 29.01.2020
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a The shuttling behavior and sluggish conversion kinetics of the intermediate lithium polysulfides (LiPSs) represent the main obstructions to the practical application of lithium-sulfur (Li-S) batteries. Herein, an anion-deficient design of antimony selenide (Sb2 Se3- x ) is developed to establish a multifunctional LiPS barrier toward the inhibition of polysulfide shuttling and enhancement of battery performance. The defect chemistry in the as-developed Sb2 Se3- x promotes the intrinsic conductivity, strengthens the chemical affinity to LiPSs, and catalyzes the sulfur electrochemical conversion, which are verified by a series of computational and experimental results. Attributed to these unique superiorities, the obtained LiPS barrier efficiently promotes and stabilizes the sulfur electrochemistry, thus enabling excellent Li-S battery performance, e.g., outstanding cyclability over 500 cycles at 1.0 C with a minimum capacity fading rate of 0.027% per cycle, a superb rate capability up to 8.0 C, and a high areal capacity of 7.46 mAh cm-2 under raised sulfur loading. This work offers a defect engineering strategy toward fast and durable sulfur electrochemistry, holding great promise in developing practically viable Li-S batteries as well as enlightening the material design of related energy storage and conversion systems
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|a Journal Article
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|a antimony selenide
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|a catalytic conversion
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|a lithium-sulfur batteries
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|a modified separators
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4 |
|a selenium vacancies
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| 700 |
1 |
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|a Li, Gaoran
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Yongguang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Luo, Dan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Xin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Yan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Hui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ji, Puguang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Du, Xiaohang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Jingde
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Zhongwei
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 32(2020), 4 vom: 13. Jan., Seite e1904876
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:32
|g year:2020
|g number:4
|g day:13
|g month:01
|g pages:e1904876
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|u http://dx.doi.org/10.1002/adma.201904876
|3 Volltext
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