Ionic liquid-based electrolyte with dual-functional LiDFOB additive toward high-performance LiMn2O4 batteries

doi:10.1007/s11581-016-1966-9

CORC > 青岛生物能源与过程研究所 > 中国科学院青岛生物能源与过程研究所 > 仿生能源与储能系统团队

	Ionic liquid-based electrolyte with dual-functional LiDFOB additive toward high-performance LiMn2O4 batteries
	Qin, Bingsheng 1; Zhang, Shu 1; Hu, Zhenglin 1; Liu, Zhihong 1; Zhang, Junnan 2; Zhao, Jianghui 1; Xiong, Junwei 3; Cui, Guanglei 1
刊名	IONICS
	2017-06-01
卷号	23 期号:6 页码:1399-1406
关键词	Ionic Liquid-based Electrolyte Limn2o4 Batteries Dual-functional Additive Solid Electrolyte Interface
DOI	10.1007/s11581-016-1966-9
文献子类	Article
英文摘要	Manganese oxide-based cathodes are one of the most promising lithium-ion battery (LIB) cathode materials due to their cost-effectiveness, high discharge voltage plateau (above 4.0 V vs. Li/Li+), superior rate capability, and environmental benignity. However, these batteries using conventional LiPF6-based electrolytes suffer from Mn dissolution and poor cyclic capability at elevated temperature. In this paper, the ionic liquid (IL)-based electrolytes, consisting of 1-butyl-1-methylpyrrolidinium bis(trifluoromethanesulfon)imidate (PYR1,4-TFSI), propylene carbonate (PC), lithium bis(trifluoromethanesulfon)imide (LiTFSI), and lithium oxalyldifluoroborate (LiDFOB) additive, were explored for improving the high temperature performance of the LiMn2O4 batteries. It was demonstrated that LiTFSI-ILs/PC electrolyte associated with LiDFOB addition possessed less Mn dissolution and Al corrosion at the elevated temperature in LiMn2O4/Li batteries. Cyclic voltammetry and electrochemical impedance spectroscopy implied that this kind of electrolyte also contributed to the formation of a highly stable solid electrolyte interface (SEI), which was in accordance with the polarization measurement and the Li deposition morphology of the symmetric lithium metal cell, thus beneficial for improving the cycling performance of the LiMn2O4 batteries at the elevated temperature. Cyclic voltammetry and electrochemical impedance spectroscopy implied that the cells using this kind of electrolyte exhibited better interfacial stability, which was further verified by the polarization measurement and the Li deposition morphology of the symmetric lithium metal cell, thus beneficial for improving the cycling performance of the LiMn2O4 batteries at the elevated temperature. These unique characteristics would endow this kind of electrolyte a very promising candidate for the manganese oxide-based batteries.
WOS关键词	LITHIUM SECONDARY BATTERIES ; ELECTRICAL ENERGY-STORAGE ; THERMAL-STABILITY ; ELECTROCHEMICAL IMPEDANCE ; RECHARGEABLE BATTERIES ; LINI0.5MN1.5O4 SPINEL ; ELEVATED-TEMPERATURES ; POLYMER ELECTROLYTE ; CATHODE MATERIALS ; GRAPHITE
WOS研究方向	Chemistry ; Electrochemistry ; Physics
语种	英语
WOS记录号	WOS:000402066200007
资助机构	National Program on the National High Technology Research and Development Program of China (863 program)(2013AA050905) ; Key Project of Natural Science Foundation of Shandong Province(ZR2015QZ01) ; "135" Projects Fund of CAS-QIBEBT Director Innovation Foundation ; Qingdao Institute of Bioenergy and Bioprocess Technology Director Technology Foundation
内容类型	期刊论文
源URL	[http://ir.qibebt.ac.cn/handle/337004/9647]
专题	青岛生物能源与过程研究所_仿生能源与储能系统团队
作者单位	1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao Ind Energy Storage Res Inst, Qingdao 266101, Peoples R China 2.Shandong WINA Green Power Technol Co Ltd, Res Inst Technol, Weifang 262700, Peoples R China 3.Shandong Univ, Minist Educ, Key Lab Liquid Solid Struct Evolut & Proc Mat, Jinan 250061, Peoples R China
推荐引用方式 GB/T 7714	Qin, Bingsheng,Zhang, Shu,Hu, Zhenglin,et al. Ionic liquid-based electrolyte with dual-functional LiDFOB additive toward high-performance LiMn2O4 batteries[J]. IONICS,2017,23(6):1399-1406.
APA	Qin, Bingsheng.,Zhang, Shu.,Hu, Zhenglin.,Liu, Zhihong.,Zhang, Junnan.,...&Cui, Guanglei.(2017).Ionic liquid-based electrolyte with dual-functional LiDFOB additive toward high-performance LiMn2O4 batteries.IONICS,23(6),1399-1406.
MLA	Qin, Bingsheng,et al."Ionic liquid-based electrolyte with dual-functional LiDFOB additive toward high-performance LiMn2O4 batteries".IONICS 23.6(2017):1399-1406.