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Enhancing the of Performance of Lithium-Sulfur Batteries through Electrochemical Impregnation of Sulfur in Hierarchical Mesoporous Carbon Nanoparticles

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Title
Enhancing the of Performance of Lithium-Sulfur Batteries through Electrochemical Impregnation of Sulfur in Hierarchical Mesoporous Carbon Nanoparticles
Author(s)
Seong‐Jun Kim; Minchul Ahn; Jungjin Park; Yunseo Jeoun; Seung-Ho Yu; Dal-Hee Min; Yung‐Eun Sung
Subject
electrochemical impregnation, ; hierarchical mesoporous carbon, ; Li-S batteries, ; polysulfide mobility, ; sulfur
Publication Date
2020-09
Journal
CHEMELECTROCHEM, v.7, no.17, pp.3653 - 3655
Publisher
WILEY-V C H VERLAG GMBH
Abstract
© 2020 Wiley-VCH GmbH. Hierarchical mesoporous carbon was studied as a key material for enhancing sulfur utilization in Li-S batteries. Commonly, thermal sulfur infiltration into mesoporous carbon was a representative method for S-C composites; however, these had some problems such as pore blocking or nonuniform deposition of sulfur. Electrochemical sulfur impregnation without chemical or thermal infiltration reduced the preprocess time and enabled efficient polysulfide diffusion into the carbon pores. As the soluble polysulfides are smaller and more mobile than solid-state sulfur, they could be physically or chemically adsorbed into the pores of the carbon additives. This approach enhanced the cycle stability and rate performance of the batteries. This study will provide an efficient and economic use of porous carbons in the Li-S battery field
URI
https://pr.ibs.re.kr/handle/8788114/7638
DOI
10.1002/celc.202001022
ISSN
2196-0216
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > 1. Journal Papers (저널논문)
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