Poly(arylene ether)s with Pendant Perfluoroalkyl Sulfonic Acid Groups as Proton-Exchange Membrane Materials

被引：15
|
作者：
Ghassemi, Hossein [1 ]
Schiraldi, David A. [1 ]
Zawodzinski, Thomas A. [2 ]
Hamrock, Steven [3 ]
机构：
[1] Case Western Reserve Univ, Dept Macromol Sci & Engn, Cleveland, OH 44106 USA
[2] Univ Tennessee, Dept Chem & Biomol Engn, Knoxville, TN 37996 USA
[3] 3M Co, Fuel Cell Components Program 3M, St Paul, MN 55144 USA
来源：
MACROMOLECULAR CHEMISTRY AND PHYSICS | 2011年 / 212卷 / 07期
关键词：
glass transitions; lithiation reactions; perfluorosulfonic acids; polysulfones; proton-exchange membranes; FUEL-CELL APPLICATION; WATER STABILITY; SODIUM-SALTS; COPOLYMERS; POLYMERS; CONDUCTIVITY; POLYIMIDES; POLYELECTROLYTES; ELECTROLYTES;
D O I：
10.1002/macp.201000650
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
New membranes were prepared and evaluated as polymer electrolytes for PEMFCs. Polymers with PSU in the main chain and -C(O)(CF2)(3)SO3H in the side chain (PSU-PSA) were synthesized by substitution of PSU-Li and SFBF, followed by treatment with aqueous potassium hydroxide then sulfuric acid. The proton conductivity of PSU-PSA with an ion exchange capacity (IEC) of 1.12 mmol.g(-1) was 0.091 S.cm(-1) at 80 degrees C under 100% relative humidity. A hydrogen/air PEMFC test of PSU-PSA with an IEC value of 1.12 mmol.g(-1) produced a maximum power output of 0.265W.cm(-2). A DMA measurement revealed that PSU-PSA had an a-relaxation temperature around 196 degrees C which is higher than the value reported for Nafion.
引用
收藏
页码：673 / 678
页数：6
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