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Electrostatic-spraying an ultrathin, multifunctional and compact coating onto a cathode for a long-life and high-rate lithium-sulfur battery
Niu, Shuzhang1,2,3; Lv, Wei2,3; Zhou, Guangmin5; Shi, Huifa2,3,4; Qin, Xianying2,3; Zheng, Cheng2,3; Zhou, Tianhong2,3,4; Luo, Chong2,3,4; Deng, Yaqian2,3,4; Li, Baohua2,3; Kang, Feiyu1,2,3,4; Yang, Quan-Hong1,2,3,6
Corresponding AuthorLv, Wei(lv.wei@sz.tsinghua.edu.cn) ; Kang, Feiyu(fykang@sz.tsinghua.edu.cn) ; Yang, Quan-Hong(yang.quanhong@sz.tsinghua.edu.cn)
2016-12-01
Source PublicationNANO ENERGY
ISSN2211-2855
Volume30Pages:138-145
AbstractSerious shuttle effect of polysulfides is the main obstacle preventing the practical application of lithium sulfur batteries. Herein, we report an ultrathin yet multifunctional polysulfide blocking layer (MPBL) coated on the cathode to effectively restrain the polysulfides shuttling. This MPBL, which was prepared by a simple, one-step electrostatic spray deposition (ESD) technique, was fully and compactly coated on the electrode with controllable thickness, realizing the full protection of the whole cathode. It is noted that the MPBL can be very thin that guarantees the fast ion diffusion but still keeps a high efficiency of blocking polysulfides due to a combination of physical (from carbon) and chemical confinement (from conductive polymer). In addition, the MPBL with good conductivity can act as the upper current collector to reuse the captured polysulfides, and thus improve the sulfur utilization during cycling. With such multifunctional design, the MPBL-coated carbon-sulfur cathode exhibits long cyclic stability and high rate capability, which has only 0.042% capacity decay per cycle at 1C for 1000 cycles and a capacity of 615 mA h g(-1) even at a high rate of 3C.
KeywordMultifunctional polysulfide blocking layer Electrostatic-spraying deposition Lithium sulfur batteries High-rate performance Long cycle life
Funding OrganizationNational Basic Research Program of China ; National Natural Science Foundation of China ; Shenzhen Basic Research Project
DOI10.1016/j.nanoen.2016.09.044
Indexed BySCI
Language英语
Funding ProjectNational Basic Research Program of China[2014CB932400] ; National Natural Science Foundation of China[51525204] ; National Natural Science Foundation of China[51372167] ; National Natural Science Foundation of China[51302146] ; National Natural Science Foundation of China[U1401243] ; Shenzhen Basic Research Project[ZDSYS20140509172959981] ; Shenzhen Basic Research Project[JCYJ20150529164918734]
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000390636100017
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:50[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/123528
Collection中国科学院金属研究所
Corresponding AuthorLv, Wei; Kang, Feiyu; Yang, Quan-Hong
Affiliation1.Tsinghua Univ, Tsinghua Berkeley Shenzhen Inst, Shenzhen 518055, Peoples R China
2.Tsinghua Univ, Engn Lab Functionalized Carbon Mat, Grad Sch Shenzhen, Shenzhen 518055, Peoples R China
3.Tsinghua Univ, Grad Sch Shenzhen, Shenzhen Key Lab Graphene Based Mat, Shenzhen 518055, Peoples R China
4.Tsinghua Univ, Sch Mat Sci & Engn, Beijing 100084, Peoples R China
5.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China
6.Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China
Recommended Citation
GB/T 7714
Niu, Shuzhang,Lv, Wei,Zhou, Guangmin,et al. Electrostatic-spraying an ultrathin, multifunctional and compact coating onto a cathode for a long-life and high-rate lithium-sulfur battery[J]. NANO ENERGY,2016,30:138-145.
APA Niu, Shuzhang.,Lv, Wei.,Zhou, Guangmin.,Shi, Huifa.,Qin, Xianying.,...&Yang, Quan-Hong.(2016).Electrostatic-spraying an ultrathin, multifunctional and compact coating onto a cathode for a long-life and high-rate lithium-sulfur battery.NANO ENERGY,30,138-145.
MLA Niu, Shuzhang,et al."Electrostatic-spraying an ultrathin, multifunctional and compact coating onto a cathode for a long-life and high-rate lithium-sulfur battery".NANO ENERGY 30(2016):138-145.
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