Semi-interpenetrating polymer network of poly(methyl methacrylate) and ether-modified polysiloxane

被引：18
|
作者：
Cznotka, Eva [1 ]
Jeschke, Steffen [1 ]
Vettikuzha, Preeya [1 ]
Wiemhoefer, Hans-Dieter [1 ]
机构：
[1] Univ Munster, Inst Inorgan & Analyt Chem, D-48149 Munster, Germany
来源：
SOLID STATE IONICS | 2015年 / 274卷
关键词：
Solid polymer electrolyte; Lithium-ion battery; FTIR; Semi-IPN; PMMA; Polysiloxane; LITHIUM-ION BATTERIES; INORGANIC HYBRID ELECTROLYTES; CONDUCTIVITY BEHAVIOR; POLY(ETHYLENE OXIDE); GEL ELECTROLYTES; PMMA; BLENDS; FTIR; SPECTROSCOPY; MEMBRANES;
D O I：
10.1016/j.ssi.2015.02.013
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：
Solid polymer electrolyte membranes are prepared as semi-interpenetrating networks (semi-IPN) by solution casting technique composed of poly(methyl methacrylate) (PMMA) as polymeric host Matrix, polysiloxane-combpropyloxymethoxytriglycol (PSx) as ion conducting component and lithium bis(trifluoromethane)sulfonimide (LiTFSI) as conducting salt. The resulting semi-IPN (net-poly(methyl methacrylate))-sipn-(polysiloxane-combpropyloxymethoxytriglycol), is investigated using differential scanning calorimetry (DSC), Fourier transform infrared (FTIR) spectroscopy and impedance spectroscopy (IS). DSC measurements show two glass transitions (Tg-PSx, Tg-PMMA) indicating an independent coexistence of the PMMA host matrix and the PSx conducting component. FTIR spectroscopy reveals interactions between Li+ ions and the ether-functionality of PSx, whereas PMMA does not interact with the Li+. In order to distinguish PMMA and PSx contributions to the ionic transport, the effective ionic conductivity of PSx was calculated. The ionic conductivity of the semi-IPN is 3.1 x 10(-6) S cm(-1) at room temperature. (C) 2015 Elsevier BM. All rights reserved.
引用
收藏
页码：55 / 63
页数：9
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