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Fast lithium ion transport in solid polymer electrolytes from polysulfide-bridged copolymers
Sun, Chengguo1,2; Wang, Zhenxing1,3; Yin, Lichang1; Xu, Shengjun1,3; Ghazi, Zahid Ali1; Shi, Ying1; An, Baigang2; Sun, Zhenhua1; Cheng, Hui-Ming4; Li, Feng1
Corresponding AuthorAn, Baigang(baigang73@126.com) ; Li, Feng(fli@imr.ac.cn)
2020-09-01
Source PublicationNANO ENERGY
ISSN2211-2855
Volume75Pages:10
AbstractSolid polymer electrolytes (SPEs) are being intensively pursued as a means to develop safe, stable and long-life Li-ion batteries. However, the low Li+ conductivity and transference number in SPEs still impede all-solid-state polymer batteries from practical commercialization. Here, lithium polysulfides that cause a shuttle effect problem in Li-S batteries are reduced on a Poly(ethylene oxide) (PEO) chain as an effective way to stimulate Li+ transport. It is shown that the product of the reduction (main -S4Li) dramatically increases Li+ transport while forming a strong interaction with the PEO matrix through intermolecular interactions. In contrast to PEO electrolytes, the -S4Li grafted electrolyte membranes have a lithium transfer number almost 3 times higher, and the LiFePO4 vertical bar ScPEO vertical bar Li cell shows an ultra-long cycle life exceeding 1200 cycles with a capacity decay of 0.024% per cycle at 1 C. The results reveal lithium polysulfides tremendous potential in a solid-state electrolyte system for improving the ion transport and cycling stability.
KeywordLithium batteries Solid polymer electrolytes Polysulfide-bridged copolymers Fast ion conductors
Funding OrganizationNational Natural Science Foundation of China ; Talent Project of Revitalizing LiaoNing ; MOST ; China Postdoctoral Science Foundation ; Key Research Program of the Chinese Academy of Sciences ; Liaoning Key Laboratory of Energy Materials and Eectrochemistry ; CAS/SAFEA International Partnership Program for Creative Research Teams
DOI10.1016/j.nanoen.2020.104976
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51525206] ; National Natural Science Foundation of China[51521091] ; National Natural Science Foundation of China[51672118] ; National Natural Science Foundation of China[21701077] ; National Natural Science Foundation of China[11972178] ; National Natural Science Foundation of China[51472249] ; Talent Project of Revitalizing LiaoNing[XLYC1807114] ; Talent Project of Revitalizing LiaoNing[2019LNZD01] ; MOST[2016YFA0200102] ; MOST[2016YFB0100100] ; China Postdoctoral Science Foundation[2016M601353] ; Key Research Program of the Chinese Academy of Sciences[KGZD-EW-T06] ; Liaoning Key Laboratory of Energy Materials and Eectrochemistry ; CAS/SAFEA International Partnership Program for Creative Research Teams
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000560730400005
PublisherELSEVIER
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/140294
Collection中国科学院金属研究所
Corresponding AuthorAn, Baigang; Li, Feng
Affiliation1.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol Liaoning, Sch Chem Engn, Anshan 114051, Peoples R China
3.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
4.Tsinghua Univ, Tsinghua Berkeley Shenzhen Inst, Shenzhen 518055, Peoples R China
Recommended Citation
GB/T 7714
Sun, Chengguo,Wang, Zhenxing,Yin, Lichang,et al. Fast lithium ion transport in solid polymer electrolytes from polysulfide-bridged copolymers[J]. NANO ENERGY,2020,75:10.
APA Sun, Chengguo.,Wang, Zhenxing.,Yin, Lichang.,Xu, Shengjun.,Ghazi, Zahid Ali.,...&Li, Feng.(2020).Fast lithium ion transport in solid polymer electrolytes from polysulfide-bridged copolymers.NANO ENERGY,75,10.
MLA Sun, Chengguo,et al."Fast lithium ion transport in solid polymer electrolytes from polysulfide-bridged copolymers".NANO ENERGY 75(2020):10.
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