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A general dissolution-recrystallization strategy to achieve sulfur encapsulated carbon for advanced lithium-sulfur battery

Abstract

Here, a general strategy is first proposed to fabricate a class of carbon@S cathodes via dissolution-recrystallization of granular sulfur into uniform sulfur layer encapsulated carbon in selective solution, guided by density functional theory calculations and mechanism of crystal nucleation and growth. Significantly, all the carbon@S (SWNT@S, MWNT@S and YP80@S) cathodes deliver superior rate performance and good cyclic durability. Furthermore, a flexible pouch Li-S battery assembled based on the free-standing SWNT@S film was also demonstrated with high mechanical properties and deformation durability.

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Publication details

The article was received on 08 Mar 2018, accepted on 10 Apr 2018 and first published on 10 Apr 2018


Article type: Communication
DOI: 10.1039/C8TA02180E
Citation: J. Mater. Chem. A, 2018, Accepted Manuscript
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    A general dissolution-recrystallization strategy to achieve sulfur encapsulated carbon for advanced lithium-sulfur battery

    X. Fan, Y. Zhang, J. Li, K. Yang, Z. Liang, Y. Chen, C. Zhao, Z. Zhang and K. Mai, J. Mater. Chem. A, 2018, Accepted Manuscript , DOI: 10.1039/C8TA02180E

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