Fully Aromatic Copolyethers for High Temperature Polymer Electrolyte Membrane Fuel Cells

被引：19
|
作者：
Daletou, M. K. [1 ,2 ]
Geormezi, M. [1 ]
Pefkianakis, E. K. [1 ]
Morfopoulou, C. [1 ]
Kallitsis, J. K. [1 ,2 ]
机构：
[1] Univ Patras, Dept Chem, GR-26504 Patras, Greece
[2] Fdn Res & Technol Hellas, Inst Chem Engn & High Temp Chem Proc, GR-26504 Patras, Greece
来源：
FUEL CELLS | 2010年 / 10卷 / 01期
关键词：
Copolymerisation; Films; Glass transition; Polycondensation; Polyethers; ACID DOPED POLYBENZIMIDAZOLE; PROTON CONDUCTIVITY; PYRIDINE; PBI; DEGRADATION; OPERATION;
D O I：
10.1002/fuce.200900032
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
New aromatic polyethers containing diphenylpyridine, phosphinoxide and tetramethyl-biphenyl units have been synthesised employing various comonomers' ratios affording a complete series of soluble high molecular weight copolymers. Their properties in respect to their potential as electrolytes for high temperature PEM fuel cells were thoroughly investigated. All materials exhibit excellent film forming properties and mechanical integrity, high thermal and oxidative stability in combination with the ability to absorb phosphoric acid resulting in conductivities in the range of 10(-2) S cm(-1). A discussion on the effect of the chemical structure on the properties is also depicted herein.
引用
收藏
页码：35 / 44
页数：10
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