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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202102338
|2 doi
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|a pubmed24n1100.xml
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|a eng
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| 100 |
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|a Li, Zhonglin
|e verfasserin
|4 aut
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|a The Interfacial Electronic Engineering in Binary Sulfiphilic Cobalt Boride Heterostructure Nanosheets for Upgrading Energy Density and Longevity of Lithium-Sulfur Batteries
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 20.10.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2021 Wiley-VCH GmbH.
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|a High gravimetric, areal and volumetric capacities together with long lifetime are key indexes for the applications of lithium-sulfur (Li-S) batteries in compact space. The sulfur host materials play pivotal roles in the practical deployment. Herein, one type of new heterostructure nanosheets composed of cobalt boride (CoB) on nitrogen, boron-codoped porous carbon (NBC), which is constructed through molten salt-assisted strategy using ZIF-67-encapsulated ZIF-8 as precursors is reported on. Benefiting from strong interfacial electronic interactions between binary sulfiphilic CoB and porous NBC, the CoB/NBC-S electrode exhibits the excellent cycling stability with low average capacity decay of 0.013% in ultralong 1500 cycles at high rate of 5 C. Remarkably, the electrode with high sulfur content of 82 wt% and high sulfur loading of 5.8 mg cm-2 delivers gravimetric capacity of 1309 mA h g-1 , areal capacity of 7.59 mA h cm-2 , and volumetric capacity of 1355 mA h cm-3 at 0.1 C. The favorable electrochemical performance can rival with the state-of-the-art of those in the reported nanosheets-based sulfur cathodes. This study provides new methodology for the design of heterostructure nanosheets of metal borides to achieve energy density and longevity of Li-S batteries
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|a Journal Article
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|a heterostructures
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|a lithium-sulfur batteries
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|a metal boride
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|a metal-organic frameworks
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|a nanosheets
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1 |
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|a Li, Pengyue
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Meng, Xueping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lin, Zhang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Ruihu
|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 33(2021), 42 vom: 01. Okt., Seite e2102338
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:33
|g year:2021
|g number:42
|g day:01
|g month:10
|g pages:e2102338
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|u http://dx.doi.org/10.1002/adma.202102338
|3 Volltext
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