A New Concept of a Porous Carbon Interlayer Impregnated with Sulfur for Long‐Life and High‐Energy LiS Batteries

We present a new interlayer concept for the realization of high‐energy‐density LiS batteries. Disordered mesoporous carbons replicated by silica nanoparticles were partially filled with sulfur via a melt‐diffusion method. Sulfur‐impregnated disordered mesoporous carbon (DMC‐S) composites were used...

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Published in:Bulletin of the Korean Chemical Society 2019, 40(1), , pp.24-28
Main Authors: Park, Jong Won, Kang, Jin Kyeong, Koh, Jeong Yoon, Kim, Seok, Jung, Yongju
Format: Article
Language:English
Subjects:
Areal capacity
High energy density
LiS batteries
Sulfur‐containing interlayer
화학
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cited_by cdi_FETCH-LOGICAL-c3073-3d673a3e6b7fdbd4f755a0e7649da0904e32ff774e4a385fdc1a29aaeef5f343
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creator Park, Jong Won
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description We present a new interlayer concept for the realization of high‐energy‐density LiS batteries. Disordered mesoporous carbons replicated by silica nanoparticles were partially filled with sulfur via a melt‐diffusion method. Sulfur‐impregnated disordered mesoporous carbon (DMC‐S) composites were used as an interlayer between a cathode and anode to provide additional active materials for a LiS cell. The LiS cell with the DMC‐S interlayer exhibited an approximately two‐fold increase in areal capacity compared with the control cell without an interlayer. DMC‐S composites offer the unique advantage of acting as a porous framework to accommodate active materials and suppress polysulfide diffusion. We propose that this new approach provides a viable path for the development of LiS batteries with a high‐energy density and excellent cycling stability.
doi_str_mv 10.1002/bkcs.11633
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subjects Areal capacity
High energy density
LiS batteries
Sulfur‐containing interlayer
화학
title A New Concept of a Porous Carbon Interlayer Impregnated with Sulfur for Long‐Life and High‐Energy LiS Batteries
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