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Boosting the polysulfides adsorption-catalysis process on carbon nanotube interlayer via a simple polyelectrolyte-assisted strategy for high-performance lithium sulfur batteries
Fan, Xuliang1; Wang, Yongyin1; Zeng, Meng1; He, Huimin1; Huang, Jianyi1; Feng, Ziwen1; Li, Jing2; Liang, Zhongxin3; Zhou, Tao1
2022-02-15
Source PublicationJournal of Alloys and Compounds
ISSN0925-8388
Volume894Pages:162556
Abstract

The introduction of conductive interlayer is an effective strategy to improve the sulfur utilization and restrict the migration of polysulfides for high-performance Li-S battery. Herein, a multifunctional CNT based interlayer was obtained by a simple polyelectrolyte (PDDA-TFSI) modified method. Due to the electro-positivity of PDDA-TFSI and the electronic coupling between CNT and PDDA-TFSI, the CNT/PDDA-TFSI interlayer exhibits a strong adsorption and effective catalysis towards polysulfides. Furthermore, the continuous CNT network ensures the successful electron transport during the charge-discharge process. As expected, the electrochemical properties of Li-S battery can be promoted significantly with the assistance of CNT/PDDA-TFSI interlayer. Even after 300 cycles, the CNT/PDDA-TFSI interlayer-based Li-S battery also delivers a higher capacity retention of 79.2%, proceeding Li-S batteries with and without CNT interlayer. This work proves that CNT/PDDA-TFSI film as a multifunctional interlayer has a promising application in advanced Li-S battery.

KeywordCarbon Nanotube Lithium Sulfur Battery Multifunctional Interlayer Polyelectrolyte
DOI10.1016/j.jallcom.2021.162556
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000720139200002
PublisherELSEVIER SCIENCE SAPO BOX 564, 1001 LAUSANNE, SWITZERLAND
Scopus ID2-s2.0-85118547595
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Citation statistics
Document TypeJournal article
CollectionINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding AuthorFan, Xuliang; Li, Jing; Zhou, Tao
Affiliation1.School of Chemistry and Chemical Engineering, Key Laboratory of Clean Energy Materials Chemistry of Guangdong Higher Education Institutes, Research Center for Clean Energy Materials Chemical Engineering Technology of Guangdong, Institute of Physical Chemis
2.Guangdong-Hong Kong-Macau Joint Laboratory for Photonic-Thermal-Electrical Energy Materials and Devices, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, 999078, China
3.Department of Physics, University of Houston, Houston, 77204, United States
Corresponding Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Recommended Citation
GB/T 7714
Fan, Xuliang,Wang, Yongyin,Zeng, Meng,et al. Boosting the polysulfides adsorption-catalysis process on carbon nanotube interlayer via a simple polyelectrolyte-assisted strategy for high-performance lithium sulfur batteries[J]. Journal of Alloys and Compounds, 2022, 894, 162556.
APA Fan, Xuliang., Wang, Yongyin., Zeng, Meng., He, Huimin., Huang, Jianyi., Feng, Ziwen., Li, Jing., Liang, Zhongxin., & Zhou, Tao (2022). Boosting the polysulfides adsorption-catalysis process on carbon nanotube interlayer via a simple polyelectrolyte-assisted strategy for high-performance lithium sulfur batteries. Journal of Alloys and Compounds, 894, 162556.
MLA Fan, Xuliang,et al."Boosting the polysulfides adsorption-catalysis process on carbon nanotube interlayer via a simple polyelectrolyte-assisted strategy for high-performance lithium sulfur batteries".Journal of Alloys and Compounds 894(2022):162556.
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