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Dissolution-Precipitation Dynamics in Ester Electrolyte for High-Stability Lithium Metal Batteries

文献类型：期刊论文

作者Yang, Huicong1,2; Chen, Xiang3; Yao, Nan3; Piao, Nan1,2; Wang, Zhenxing1,2; He, Kuang1,2; Cheng, Hui-Ming1,2,4; Li, Feng1,2
刊名ACS ENERGY LETTERS
出版日期2021-04-09
卷号6期号:4页码:1413-1421
ISSN号2380-8195
DOI10.1021/acsenergylett.1c00149
通讯作者Cheng, Hui-Ming(cheng@imr.ac.cn) ; Li, Feng(fli@imr.ac.cn)
英文摘要The 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.
资助项目National 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研究方向Chemistry ; Electrochemistry ; Energy & Fuels ; Science & Technology - Other Topics ; Materials Science
语种英语
WOS记录号WOS:000639063800022
出版者AMER CHEMICAL SOC
资助机构National 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
源URL[http://ir.imr.ac.cn/handle/321006/161771]  
专题金属研究所_中国科学院金属研究所
通讯作者Cheng, Hui-Ming; Li, Feng
作者单位1.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
推荐引用方式
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.

入库方式： OAI收割

来源：金属研究所

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