Effect of Ionic Liquid Anion Type in the Performance of Solid Polymer Electrolytes Based on Poly(Vinylidene fluoride-trifluoroethylene)

被引：27
|
作者：
Leones, R. [1 ,2 ]
Costa, C. M. [3 ]
Machado, A. V. [4 ]
Esperanca, J. M. S. S. [2 ]
Silva, M. M. [1 ]
Lanceros-Mendez, S. [3 ]
机构：
[1] Univ Minho, Ctr Dept Quim, P-4710057 Braga, Portugal
[2] Univ Nova Lisboa, Inst Tecnol Quim & Biol, P-2780157 Oeiras, Portugal
[3] Univ Minho, Ctr Dept Fis, P-4710057 Braga, Portugal
[4] Univ Minho, IPC, P-4800058 Guimaraes, Portugal
来源：
ELECTROANALYSIS | 2015年 / 27卷 / 02期
关键词：
Battery separator membranes; Porous membranes; Ionic liquid; P(VDF-TrFE); GEL ELECTROLYTES; VISCOSITY; STABILITY; FLUORIDE); MEMBRANES;
D O I：
10.1002/elan.201400530
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The effect of different anions within the ionic liquid in the characteristics of solid polymer electrolytes (SPEs) based on P(VDF-TrFE) has been investigated. 1-ethyl-3-methylimidazolium acetate, [C(2)mim][OAc], 1ethyl- 3-methylimidazolium triflate, [C(2)mim][(CF3SO3)], 1ethyl- 3-methylimidazolium lactate, [C(2)mim][Lactate], 1-ethyl-3-methylimidazolium thiocyanate, [C(2)mim][SNC] and 1-ethyl-3-methylimidazolium hydrogen sulfate [C(2)mim][HSO4] have been used in SPE prepared by solvent casting. The polymer phase, thermal and electrochemical properties of the SPE have been determined. The thermal and electrical properties of the SPEs strongly depend on the selected IL, as determined by their different interactions with the polymer matrix. The room temperature ionic conductivity increases in the following way for the different anions: [SNC]>[CF3SO3)]> [HSO4]>[Lactate]>[OAc], which is mainly dependent on the viscosity of the ionic liquid.
引用
收藏
页码：457 / 464
页数：8
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