The effects of functional ionic liquid on properties of solid polymer electrolyte

被引：15

作者：

An, Yongxin ^{[1
]}

Cheng, Xinqun ^{[1
]}

Zuo, Pengjian ^{[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：

MATERIALS CHEMISTRY AND PHYSICS | 2011年 / 128卷 / 1-2期

关键词：

Polymers; Thin film; X-ray diffraction; Thermal properties; CONDUCTIVITY; BATTERIES;

D O I：

10.1016/j.matchemphys.2011.03.007

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Polyethylene oxide (PEO) based solid state electrolytes have been thought as promising electrolytes to replace the organic liquid electrolyte for lithium ion batteries. But the lower ionic conductivities at room temperature restrict their application. In this paper, functional ionic liquid and polymer mixed electrolytes are prepared from N-methyoxymethyl-N-methylpiperidinium bis(trifluoromethanesulfonyl) imide (PP1.1O1TFSI) and polyethylene oxide. The PP1.1O1TFSI, a kind of room-temperature molten salt, was added to the conventional P(EO)(20)LiTFSI polymer electrolyte and resulted in a significant improvement of the ionic conductivity at room temperature. LiFePO4/Li and Li4Ti5O12/Li cells using this kind of electrolyte show high reversible capacity and stable cycle performance. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：250 / 255

页数：6

共 27 条

[1] Role of fumed silica on ion conduction and rheology in nanocomposite polymeric electrolytes [J].