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A trilayer separator with dual function for high performance lithium-sulfur batteries
Song, Rensheng; Fang, Ruopian; Wen, Lei; Shi, Ying; Wang, Shaogang; Li, Feng; fli@imr.ac.cn
2016
Source PublicationJOURNAL OF POWER SOURCES
ISSN0378-7753
Volume301Pages:179-186
AbstractIn this article, we propose a trilayer graphene/polypropylene/Al2O3 (GPA) separator with dual function for high performance lithium sulfur (Li-S) batteries. Graphene is coated on one side of polypropylene (PP) separator, which functions as a conductive layer and an electrolyte reservoir that allows for rapid electron and ion transport. Then Al2O3 particles are coated on the other side to further enhance thermal stability and safety of the graphene coated polypropylene (GCP) separator, which are touched with lithium metal anode in the Li-S battery. The GPA separator shows good thermal stability after heating at 157 degrees C for 10 min while both GCP and PP separators showing an obvious shrinkage about 10%. The initial discharge specific capacity of Li-S coin cell with a GPA separator could reach 1067.7 mAh g(-1) at 0.2C. After 100 discharge/charge cycles, it can still deliver a reversible capacity of as high as 804.4 mAh g(-1) with 75% capacity retention. The pouch cells further confirm that the trilayer design has great promise towards practical applications. (C) 2015 Elsevier B.V. All rights reserved.
description.department[song, rensheng ; fang, ruopian ; wen, lei ; shi, ying ; wang, shaogang ; li, feng] chinese acad sci, shenyang natl lab mat sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china
KeywordTrilayer Separator Graphene Thermal Stability Lithium-sulfur Batteries
Funding OrganizationMinistry of Science and Technology of China [2011CB932604, 2014CB932402]; National Natural Science Foundation of China [51221264, 51172239, 51272051, U1401243]; Key Research Program of Chinese Academy of Sciences [KGZD-EW-T06]; "Strategic Priority Research Program" of Chinese Academy of Sciences [XDA01020304]
Indexed Bysci
Language英语
WOS IDWOS:000365060500023
Citation statistics
Cited Times:90[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74604
Collection中国科学院金属研究所
Corresponding Authorfli@imr.ac.cn
Recommended Citation
GB/T 7714
Song, Rensheng,Fang, Ruopian,Wen, Lei,et al. A trilayer separator with dual function for high performance lithium-sulfur batteries[J]. JOURNAL OF POWER SOURCES,2016,301:179-186.
APA Song, Rensheng.,Fang, Ruopian.,Wen, Lei.,Shi, Ying.,Wang, Shaogang.,...&fli@imr.ac.cn.(2016).A trilayer separator with dual function for high performance lithium-sulfur batteries.JOURNAL OF POWER SOURCES,301,179-186.
MLA Song, Rensheng,et al."A trilayer separator with dual function for high performance lithium-sulfur batteries".JOURNAL OF POWER SOURCES 301(2016):179-186.
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