A new phosphonamidate as flame retardant additive in electrolytes for lithium ion batteries

被引：32

作者：

Hu, Jianlin ^{[1
]}

Jin, Zuxi ^{[1
]}

Hong, Hai ^{[1
]}

Zhan, Hui ^{[1
]}

Zhou, Yunhong ^{[1
]}

Li, Zaoying ^{[1
]}

机构：

[1] Wuhan Univ, Coll Chem & Mol Sci, Wuhan 430072, Peoples R China

来源：

JOURNAL OF POWER SOURCES | 2012年 / 197卷

关键词：

Phosphonamidate; Flame retardant additive; Lithium ion batteries; LiFePO(4); SOLVENT-CONTAINING ELECTROLYTES; ACCELERATING RATE CALORIMETRY; THERMAL-STABILITY; INTERCALATED GRAPHITE; PARTICLES; LIQUIDS;

D O I：

10.1016/j.jpowsour.2011.09.012

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 new phosphonamidate, bis(N,N-diethyl)(2-methoxyethoxy)methylphosphonamidate (DEMEMPA) has been synthesized as N-P collaborative flame retardant additive in electrolytes for lithium ion batteries (LIBs). Iris found that adding 10 vol.% of DEMEMPA to 0.9 M LiPF(6)/EC/DMC can significantly inhibit the burning of electrolytes and provide a wide electrochemical window. Further studies indicate that the electrolytes with and without DEMEMPA have similar electrochemical behavior with natural graphite and LiFePO(4) electrodes. These support the feasibility of using DEMEMPA as a flame retardant additive for LIBs. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：297 / 300

页数：4

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