The effects of LiBOB additive for stable SEI formation of PP13TFSI-organic mixed electrolyte in lithium ion batteries

被引：59

作者：

An, Yongxin ^{[1
]}

Zuo, Pengjian ^{[1
]}

Cheng, Xinqun ^{[1
]}

Liao, Lixia ^{[1
]}

Yin, Geping ^{[1
]}

机构：

[1] Harbin Inst Technol, State Key Lab Urban Water Resource & Environm, Sch Chem Engn & Technol, Harbin 150001, Peoples R China

来源：

ELECTROCHIMICA ACTA | 2011年 / 56卷 / 13期

关键词：

Ionic liquid; Solid electrolyte interphase; Electrolyte; Safety; Li-ion battery; LIQUID ELECTROLYTE; ELECTROCHEMICAL PROPERTIES; IMPEDANCE; CELLS; ANODE; PERFORMANCE; INTERPHASE;

D O I：

10.1016/j.electacta.2011.01.125

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A safe electrolyte system is prepared from N-methyl-N-propylpiperidinium bis (trifluoromethanesulfonyl) imide (PP13TFSI), organic electrolyte (1 mol L(-1) LiPF(6)/EC-DEC) and lithium bis (oxalato) borate (LiBOB). The additive of LiBOB enhances the stability of interface between electrolyte and anode. The LiBOB-containing mixed electrolytes show non-flammability and good compatibility with active materials. The performance of anode for lithium ion battery is successfully improved by LiBOB-containing mixed electrolytes, which shows 200 mA h g(-1) reversible capacities at 0.3 C rate. The ionic conductivity and the lithium ion transference number in LiBOB-containing mixed electrolytes system also suits to application for lithium ion battery. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：4841 / 4848

页数：8

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