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Suppressing lithium dendrite formation by slowing its desolvation kinetics
Yang, Huicong1,2; Yin, Lichang1,2; Shi, Huifa3,4; He, Kuang1,2; Cheng, Hui-Ming1,2,5; Li, Feng1,2
Corresponding AuthorLi, Feng(fli@imr.ac.cn)
2019-11-14
Source PublicationCHEMICAL COMMUNICATIONS
ISSN1359-7345
Volume55Issue:88Pages:13211-13214
AbstractSlowing the dendrite formation process is one way to alleviate the fast capacity fade and safety issues in lithium metal battery systems. We used tetraethylene glycol dimethyl ether (TEGDME) as a complementary solvent to increase the desolvation activation energy of Li+, reduce the speed of lithium electrodeposition kinetics, and suppress dendrite formation. Density functional theory calculations combined with Raman spectroscopy indicate that a stronger coordination interaction is obtained between Li+ and TEGDME than between Li+ and 1,2-dimethoxyethane (DME) or 1,3-dioxolane (DOL). Such a strong coordination leads to a slower electrochemical reaction rate. As a result, uniform lithium electrodeposition morphology and good cycling stability of a Li vertical bar Li symmetric cell for more than 500 hours were achieved. Our approach suggests a way in which dendrite formation can be controlled by the electrochemical reaction itself.
Funding OrganizationNational Key R&D Program of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of Chinese Academy of Science ; Bureau of Industry and Information Technology of Shenzhen
DOI10.1039/c9cc07092c
Indexed BySCI
Language英语
Funding ProjectNational Key R&D Program of China[2016YFB0100100] ; National Natural Science Foundation of China[51525206] ; National Natural Science Foundation of China[51521091] ; Strategic Priority Research Program of Chinese Academy of Science[XDA22010602] ; Bureau of Industry and Information Technology of Shenzhen[201901171523]
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000517258000001
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/137477
Collection中国科学院金属研究所
Corresponding AuthorLi, Feng
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
3.Tsinghua Univ, Grad Sch Shenzhen, Shenzhen Key Lab Graphene Based Mat, Engn Lab Functionalized Carbon Mat, Shenzhen 518055, Peoples R China
4.Tsinghua Univ, Sch Mat Sci & Engn, Lab Adv Mat, Beijing 100084, Peoples R China
5.Tsinghua Univ, Tsinghua Berkeley Shenzhen Inst, Shenzhen Geim Graphene Ctr, Shenzhen 518055, Peoples R China
Recommended Citation
GB/T 7714
Yang, Huicong,Yin, Lichang,Shi, Huifa,et al. Suppressing lithium dendrite formation by slowing its desolvation kinetics[J]. CHEMICAL COMMUNICATIONS,2019,55(88):13211-13214.
APA Yang, Huicong,Yin, Lichang,Shi, Huifa,He, Kuang,Cheng, Hui-Ming,&Li, Feng.(2019).Suppressing lithium dendrite formation by slowing its desolvation kinetics.CHEMICAL COMMUNICATIONS,55(88),13211-13214.
MLA Yang, Huicong,et al."Suppressing lithium dendrite formation by slowing its desolvation kinetics".CHEMICAL COMMUNICATIONS 55.88(2019):13211-13214.
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