Electrochemical Performances of LiODFB-Based Electrolytes

CORC > 兰州理工大学 > 兰州理工大学 > 石油化工学院

	Electrochemical Performances of LiODFB-Based Electrolytes
	Li, Shi-you; Fan, Jie; Cui, Xiao-ling; Xu, Xiao-li; Mao, Li-ping; Li, Fa-qiang
	2010
关键词	lithium oxalyldifluroborate (LiODFB) lithium bis(oxalate)borate (LiBOB) LiPF6 electrolytes
页码	1615-+
英文摘要	LiBC2O4F2 (LiODFB) as electrolyte material for lithium ion battery was synthesized from self-made BF3, and was used to prepare following electrolytes, 0.7 mol L-1 LiODFB/ethylene carbonate (EC) +ethyl methyl carbonate (EMC) + dimethyl carbonate (DMC) and 0.7 mol L-1 LiODFB /propylene carbonate (PC) +EMC+DMC. Conductivities K of these electrolytes were tested, and the change law of kappa with temperature theta was fitted. These electrolytes were used to assemble LiFePO4/Li cells which cycling performances, high and low temperature performances and rate performances were tested. Contrast to the comparing cells with the electrolyte system of LiBC4O8 (LiBOB) or LiPF6, LiODFB cells showed most excellent rate performances. Moreover, LiODFB cells' using life and low temperature performances were very similar to LiPF6 cells, and better than LiBOB cells, meanwhile, LiODFB cells' high temperature performances were very similar to LiBOB cells, and better than LiPF6 cells. This paper not only proves that LiODFB is an very promising alternative salt for lithium ion chemistry, but also provides appropriate solvent to exert LiODFB's electrochemical performance.
会议录	PROCEEDINGS OF THE 7TH NATIONAL CONFERENCE ON CHINESE FUNCTIONAL MATERIALS AND APPLICATIONS (2010), VOLS 1-3
会议录出版者	SCI RES PUBL, INC-SRP
会议录出版地	5005 PASEO SEGOVIA, IRVIN, CA 92603-3334 USA
语种	中文
WOS研究方向	Materials Science
WOS记录号	WOS:000289704101025
内容类型	会议论文
源URL	[http://119.78.100.223/handle/2XXMBERH/37659]
专题	石油化工学院
通讯作者	Li, Shi-you
作者单位	Lanzhou Univ Technol, Coll Petrochem Technol, Lanzhou, Peoples R China
推荐引用方式 GB/T 7714	Li, Shi-you,Fan, Jie,Cui, Xiao-ling,et al. Electrochemical Performances of LiODFB-Based Electrolytes[C]. 见:.