Composite materials based on polybenzimidazole and inorganic oxides

被引：30
|
作者：
Lysova, A. A. [1 ]
Ponomarev, I. I. [2 ]
Yaroslavtsev, A. B. [1 ]
机构：
[1] RAS, NS Kurnakov Gen & Inorgan Chem Inst, Moscow 119991, Russia
[2] RAS, AN Nesmeyanov Organoelement Cpds Inst, Moscow 119991, Russia
来源：
SOLID STATE IONICS | 2011年 / 188卷 / 01期
关键词：
Polybenzimidazole; Composite membranes; Hydrated oxides; Ion conductivity; PROTON CONDUCTIVITY; MEMBRANES;
D O I：
10.1016/j.ssi.2010.10.010
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：
Composite membranes were prepared from polybenzimidazole, based on 3,3',4,4'-tetraaminodipheniloxide and 3,3-bis(p-carboxyphenil)phtalide (PBI-O-PhT), and silica or zirconia by two different methods (in situ synthesis and the casting with the use of preliminarily synthesized particles). It was shown that the membrane modification resulted in ion conductivity increase in the investigated temperature range (20-180 degrees C). The conductivity value runs up to 0.162 S cm(-1) at 180 degrees C. The membrane modification by hydrated oxides resulted in better acid retention in the membrane matrix in comparison with the unmodified membrane. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：132 / 134
页数：3
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