Hybrid graphene album with polysulfides adsorption layer for Li-S batteries

doi:10.1016/j.ces.2018.03.027

CORC > 金属研究所 > 中国科学院金属研究所

	Hybrid graphene album with polysulfides adsorption layer for Li-S batteries
	Hong, Xiaodong 2,3; Liang, Ji 2; Tang, Xiaonan 1,2; Yang, Huicong 2; Li, Feng 2
刊名	CHEMICAL ENGINEERING SCIENCE
	2019-02-02
卷号	194 页码:148-155
关键词	Graphitic carbon nitride Graphene album Self-assembly Lithium-sulfur battery
ISSN号	0009-2509
DOI	10.1016/j.ces.2018.03.027
通讯作者	Li, Feng(fli@imr.ac.cn)
英文摘要	Lithium-sulfur (Li-S) battery is a promising candidate for the next-generation power sources due to their low-cost and high energy density. However, the shuttle effect of the dissolved polysulfides in the electrolyte solvents has hindered the commercialization of Li-S batteries. In order to effectively suppress the shuttle effect, we design and prepare a bybrid graphene album structure as an efficient polysulfides-trapped host for Li-S battery. In this composite, the graphene album structure is stacked by graphene layer by layer through a bottom-up assembly, which provides a hierarchical porous structure, easy mass transport and excellent conductivity for the cathode host of Li-S batteries. The uniform g-C3N4 layer was in-situ generated on each graphene by hydrothermal treatment and heat polycondensation. The orderly bybrid graphene album (coded as g-C3N4@n-G) achieves the two-dimensional surface adsorption interaction for imobilizing soluble polysulfides, and the multilayer barriers also effectively prevent the escape of polysulfides to enhance the long cycling stability of Li-S batteries. As a result, an extremely low capacity decay of 0.028% cycle(-1) and a high initial capacity of 1252 mA h g(-1) have been achieved at 0.2 C. Furthermore, this kind of unique design and preparation method for hybrid graphene album also opens an opportunity for the construction of other album-like graphene-based hybrids. (C) 2018 Elsevier Ltd. All rights reserved.
资助项目	Ministry of Science and Technology of China[2016YFA0200100] ; Ministry of Science and Technology of China[2016YFB0100100] ; Ministry of Science and Technology of China[2014CB932402] ; Natural Science Foundation of China[51525206] ; Natural Science Foundation of China[51521091] ; Natural Science Foundation of China[51372253] ; Natural Science Foundation of China[51403094] ; Natural Science Foundation of China[U1401243] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA09010104] ; Key Research Program of the Chinese Academy of Sciences[KGZD-EW-T06] ; CAS/SAFEA International Partnership Program for Creative Research Teams
WOS研究方向	Engineering
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000451917900020
资助机构	Ministry of Science and Technology of China ; Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Key Research Program of the Chinese Academy of Sciences ; CAS/SAFEA International Partnership Program for Creative Research Teams
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/130506]
专题	金属研究所_中国科学院金属研究所
通讯作者	Li, Feng
作者单位	1.Shandong Univ Technol, Sch Chem Engn, Zibo 255000, Peoples R China 2.Chinese Acad Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China 3.Liaoning Tech Univ, Coll Mat Sci & Engn, Fuxing 123000, Peoples R China
推荐引用方式 GB/T 7714	Hong, Xiaodong,Liang, Ji,Tang, Xiaonan,et al. Hybrid graphene album with polysulfides adsorption layer for Li-S batteries[J]. CHEMICAL ENGINEERING SCIENCE,2019,194:148-155.
APA	Hong, Xiaodong,Liang, Ji,Tang, Xiaonan,Yang, Huicong,&Li, Feng.(2019).Hybrid graphene album with polysulfides adsorption layer for Li-S batteries.CHEMICAL ENGINEERING SCIENCE,194,148-155.
MLA	Hong, Xiaodong,et al."Hybrid graphene album with polysulfides adsorption layer for Li-S batteries".CHEMICAL ENGINEERING SCIENCE 194(2019):148-155.