The presence of nanostructured Al2O3 in PMMA-based gel electrolytes

被引：32
|
作者：
Krejza, Ondrej [2 ]
Velicka, Jana [1 ]
Sedlarikova, Marie [2 ]
Vondrak, Jiri [1 ]
机构：
[1] Acad Sci Czech Republic, Inst Inorgan Chem, CZ-25068 Rez, Czech Republic
[2] Brno Univ Technol, Inst Electrotechnol, Brno 60200, Czech Republic
来源：
JOURNAL OF POWER SOURCES | 2008年 / 178卷 / 02期
关键词：
polymer electrolyte; PMMA; ionic conductivity; electrochromic displays; aluminum oxide;
D O I：
10.1016/j.jpowsour.2007.11.018
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：
Gel polymer electrolytes (GPEs)-based on poly(methyl methacrylate) PMMA and propylene carbonate (PC) with LiClO4 or NaClO4 salt are prepared using either the commercial product Superacryl (R) or directly from the monomer and AIBN (2,2'-azobis(isobutyronitrile)) initiator. The nanostructured aluminum oxide is added to the mentioned systems in various ratios. Solutions of liquid PC-perchlorate and polymer electrolytes are compared with focus on ionic conductivity. The ionic conductivity of polymer-based electrolytes is significantly influenced (of almost by one half order of magnitude at room temperature) by the addition of nanosized Al2O3- On the contrary, the conductivity of liquid electrolytes is decreased by the addition of alumina in the blend. A slight enhancement of mechanical properties is observed. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：774 / 778
页数：5
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