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Dissolution-Precipitation Dynamics in Ester Electrolyte for High-Stability Lithium Metal Batteries
Yang, Huicong1,2; Chen, Xiang3; Yao, Nan3; Piao, Nan1,2; Wang, Zhenxing1,2; He, Kuang1,2; Cheng, Hui-Ming1,2,4; Li, Feng1,2
Corresponding AuthorCheng, Hui-Ming(cheng@imr.ac.cn) ; Li, Feng(fli@imr.ac.cn)
2021-04-09
Source PublicationACS ENERGY LETTERS
ISSN2380-8195
Volume6Issue:4Pages:1413-1421
AbstractThe dissolution of more LiNO3 in an ester electrolyte is a promising way to stabilize the lithium metal anode in a lithium metal battery. Considering that the maximum solubility of LiNO3 is determined by the dynamic equilibrium between the dissociation (dissolution) of LiNO3 and the recombination (precipitation) of solvated Li+ and NO3-, we report a solvation structure that prevents the recombination of anions and cations by ethylene glycol diacetate with low permittivity mixed with ethylene carbonate as cosolvent. The uncoordinated carbonyl of ethylene glycol diacetate in the solvation structure prevents the recombination of cations and anions. The new dissociation-recombination equilibrium establishes, and the solubility of LiNO3 increases. Therefore, the designed ester electrolyte with high LiNO3 solubility achieves lithium metal batteries with high Coulombic efficiency and long cycling life. Our findings show that the solvents with low permittivity can change the solvation structures of cations and increase the solubility of salts as well by preventing the recombination of anions and cations.
Funding OrganizationNational Natural Science Foundation of China ; National Key R&D Program of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Liaoning Revitalization Talents Program ; China Petrochemical Cooperation
DOI10.1021/acsenergylett.1c00149
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[52020105010] ; National Natural Science Foundation of China[51525206] ; National Natural Science Foundation of China[51927803] ; National Natural Science Foundation of China[21676160] ; National Natural Science Foundation of China[21825501] ; National Natural Science Foundation of China[21808121] ; National Key R&D Program of China[2016YFA0200102] ; National Key R&D Program of China[2016YFB0100100] ; National Key R&D Program of China[2016YFA0202500] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA22010602] ; Liaoning Revitalization Talents Program[XLYC1908015] ; China Petrochemical Cooperation[218025]
WOS Research AreaChemistry ; Electrochemistry ; Energy & Fuels ; Science & Technology - Other Topics ; Materials Science
WOS SubjectChemistry, Physical ; Electrochemistry ; Energy & Fuels ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000639063800022
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/161773
Collection中国科学院金属研究所
Corresponding AuthorCheng, Hui-Ming; Li, 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, Dept Chem Engn, Beijing Key Lab Green Chem React Engn & Technol, Beijing 100084, Peoples R China
4.Tsinghua Univ, Shenzhen Int Grad Sch, Shenzhen 518055, Peoples R China
Recommended Citation
GB/T 7714
Yang, Huicong,Chen, Xiang,Yao, Nan,et al. Dissolution-Precipitation Dynamics in Ester Electrolyte for High-Stability Lithium Metal Batteries[J]. ACS ENERGY LETTERS,2021,6(4):1413-1421.
APA Yang, Huicong.,Chen, Xiang.,Yao, Nan.,Piao, Nan.,Wang, Zhenxing.,...&Li, Feng.(2021).Dissolution-Precipitation Dynamics in Ester Electrolyte for High-Stability Lithium Metal Batteries.ACS ENERGY LETTERS,6(4),1413-1421.
MLA Yang, Huicong,et al."Dissolution-Precipitation Dynamics in Ester Electrolyte for High-Stability Lithium Metal Batteries".ACS ENERGY LETTERS 6.4(2021):1413-1421.
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