Design of advanced separators for high performance Li-S batteries using natural minerals with 1D to 3D microstructures

doi:10.1016/j.jcis.2022.01.148

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	Design of advanced separators for high performance Li-S batteries using natural minerals with 1D to 3D microstructures
	Wang, Wankai 1,2; Yang, Yanfei 2; Luo, Heming 1; Zhang, Junping 2
刊名	Journal of Colloid and Interface Science
	2022-05-15
卷号	614 页码:593-602
关键词	Carbon black Lithium batteries Lithium compounds Lithium sulfur batteries Microstructure Nanorods Polysulfides Silicon compounds 3D microstructures Attapulgites Halloysite nanotubes Higher energy density Li + Lithium/sulfur batteries Natural minerals Performance Polysulfide shuttles Polysulphides
ISSN号	0021-9797
DOI	10.1016/j.jcis.2022.01.148
英文摘要	Lithium-sulfur (Li-S) batteries are of great interest due to their high energy density. However, polysulfides shuttle and low S loading severely impede their practical applications. Here, we report design of advanced separators for Li-S batteries using natural minerals with 1D to 3D microstructures. Four natural minerals with different microstructures including 1D halloysite nanotubes, 1D attapulgite nanorods, 2D Li+-montmorillonite (Mmt) nanosheets and 3D porous diatomite were used together with carbon black (CB) for preparation of the mineral/CB-Celgard separators. The Si-OH groups of the minerals act as Lewis acid sites, which could effectively absorb polysulfides by forming Li–O and O–S bonds with polysulfides. Among all the separators, the Mmt/CB-Celgard separator endowed the Li-S battery with the highest upper plateau discharge capacity (369 mA h g−1), initial reversible capacity (1496 mA h g−1 at 0.1 C), rate performance and cycling stability (666 mA h g−1 after 500 cycles at 1.0 C with 0.046% capacity decay per cycle). The Mmt/CB-Celgard separator also enabled stable cycling of the Li-S battery with high S loading (8.3 mg cm−2) cathode. This work will provide inspiration for future development of advanced separators for high-energy-density Li-S batteries. © 2022 Elsevier Inc.
WOS研究方向	Chemistry
语种	英语
出版者	Academic Press Inc.
WOS记录号	WOS:000793274300003
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/157982]
专题	石油化工学院
作者单位	1.Department of Chemical Engineering, College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou; 730050, China 2.Center of Eco-Material and Green Chemistry and Key Laboratory of Clay Mineral Applied Research of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou; 730000, China;
推荐引用方式 GB/T 7714	Wang, Wankai,Yang, Yanfei,Luo, Heming,et al. Design of advanced separators for high performance Li-S batteries using natural minerals with 1D to 3D microstructures[J]. Journal of Colloid and Interface Science,2022,614:593-602.
APA	Wang, Wankai,Yang, Yanfei,Luo, Heming,&Zhang, Junping.(2022).Design of advanced separators for high performance Li-S batteries using natural minerals with 1D to 3D microstructures.Journal of Colloid and Interface Science,614,593-602.
MLA	Wang, Wankai,et al."Design of advanced separators for high performance Li-S batteries using natural minerals with 1D to 3D microstructures".Journal of Colloid and Interface Science 614(2022):593-602.