A novel bifunctional additive for safer lithium ion batteries

被引：38

作者：

Feng, Jinkui ^{[1
]}

Lu, Li ^{[2
]}

机构：

[1] Shandong Univ, Sch Mat Sci & Engn, Key Lab Liquid Solid Struct Evolut & Proc Mat, Minist Educ, Jinan 250061, Peoples R China

[2] Natl Univ Singapore, Dept Mech Engn, Mat Sci Grp, Singapore 17576, Singapore

来源：

JOURNAL OF POWER SOURCES | 2013年 / 243卷

基金：

中国国家自然科学基金;

关键词：

Resorcinol bis(diphenyl phosphate); Electrolyte additive; Flame retardant; Overcharge protection; Lithium ion batteries; OVERCHARGE PROTECTION; NONFLAMMABLE ELECTROLYTE; PHOSPHATE; SOLVENT;

D O I：

10.1016/j.jpowsour.2013.05.170

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A novel flame retardant, Resorcinol bis(diphenyl phosphate) (RDP), is successfully synthesized and investigated as electrolyte additive for lithium ion batteries. It is found that RDP can be electropolymerized at 4.4 V (vs. Li/Li+), which will protect the batteries from voltage runaway by consuming the overcharge current. Moreover, RDP addition could lower the self-extinguishing time (SET) of the electrolyte. The influence of proper RDP addition on the cycling performance and capacity is negligible. Thus, RDP could be used as a novel electrolyte additive for lithium ion batteries functioned as both overcharge protection and flame retardant. The results may also be helpful for the further design of advanced lithium ion battery electrolytes. (c) 2013 Elsevier B.V. All rights reserved.

引用

页码：29 / 32

页数：4

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