Soluble inorganic quantum dots as an electrolyte additive to boost lithium-sulfur battery performance

Herein, MoS 2 quantum dots (QDs) are constructed to serve as electrolyte additives for lithium-sulfur batteries, which can 'solidify' soluble polysulfides by chemisorption and promote sulfur conversion chemistry by electrocatalysis. The Li-S cell with MoS 2 QDs shows high retained capacity...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2024-09, Vol.6 (78), p.191-1913
Main Authors: Liu, Liwei, Song, Ziyao, Qi, Zhihao, Yang, Lijun, Wang, Xizhang, Hu, Zheng, Wu, Qiang
Format: Article
Language:English
Subjects:
Chemisorption
Lithium sulfur batteries
Molybdenum disulfide
Quantum dots
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Summary:Herein, MoS 2 quantum dots (QDs) are constructed to serve as electrolyte additives for lithium-sulfur batteries, which can 'solidify' soluble polysulfides by chemisorption and promote sulfur conversion chemistry by electrocatalysis. The Li-S cell with MoS 2 QDs shows high retained capacity and high-rate capability, much better than the counterpart without MoS 2 QDs. Soluble MoS 2 quantum dots (QDs) capable of 'solidifying' polysulfides by chemisorption and promoting sulfur conversion by electrocatalysis enhance the performance of lithium-sulfur batteries as electrolyte additives.
ISSN:1359-7345
1364-548X
1364-548X
DOI:10.1039/d4cc03858d