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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202209354
|2 doi
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|a pubmed24n1163.xml
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|a (DE-627)NLM348941390
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|a (NLM)36380735
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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 |
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|a Zhang, Xing
|e verfasserin
|4 aut
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|a Delicate Co-Control of Shell Structure and Sulfur Vacancies in Interlayer-Expanded Tungsten Disulfide Hollow Sphere for Fast and Stable Sodium Storage
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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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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 23.02.2023
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|a Date Revised 23.02.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a Hollow multishelled structure (HoMS) is a promising multi-functional platform for energy storage, owing to its unique temporal-spatial ordering property and buffering function. Accurate co-control of its multiscale structures may bring fascinating properties and new opportunities, which is highly desired yet rarely achieved due to the challenging synthesis. Herein, a sequential sulfidation and etching approach is developed to achieve the delicate co-control over both molecular- and nano-/micro-scale structure of WS2- x HoMS. Typically, sextuple-shelled WS2- x HoMS with abundant sulfur vacancies and expanded-interlayer spacing is obtained from triple-shelled WO3 HoMS. By further coating with nitrogen-doped carbon, WS2- x HoMS maintains a reversible capacity of 241.7 mAh g-1 at 5 A g-1 after 1000 cycles for sodium storage, which is superior to the previously reported results. Mechanism analyses reveal that HoMS provides good electrode-electrolyte contact and plentiful sodium storage sites as well as an effective buffer of the stress/strain during cycling; sulfur vacancy and expanded interlayer of WS2- x enhance ion diffusion kinetics; carbon coating improves the electron conductivity and benefits the structural stability. This finding offers prospects for realizing practical fast-charging, high-energy, and long-cycling sodium storage
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|a Journal Article
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|a expanded interlayer spacing
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4 |
|a hollow multishelled structure
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4 |
|a sodium storage
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4 |
|a sulfur vacancies
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|a transition-metal sulfides
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| 700 |
1 |
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|a Bi, Ruyi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Jiangyan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zheng, Meng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Jin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Ranbo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Dan
|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 35(2023), 7 vom: 30. Feb., Seite e2209354
|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:7
|g day:30
|g month:02
|g pages:e2209354
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|u http://dx.doi.org/10.1002/adma.202209354
|3 Volltext
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