Crosslinked SPES-SPPSU membranes for high temperature PEMFCs

被引：60
作者：
Kim, Je-Deok [1 ,3 ]
Donnadio, Anna [2 ]
Jun, Mun-Suk [1 ]
Di Vona, Maria Luisa [3 ]
机构：
[1] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050044, Japan
[2] ITM CNR, Inst Membrane Technol, I-87036 Arcavacata Di Rende, CS, Italy
[3] Univ Roma Tor Vergata, Dept Sci & Technol Chem, I-00133 Rome, Italy
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2013年 / 38卷 / 03期
基金：
日本学术振兴会;
关键词：
Highly sulfonated polyethersulfone and polyphenylsulfone; Crosslinked SPES-SPPSU membrane; Annealing treatment; High temperature PEMFC; POLY(ETHER ETHER KETONE); PROTON-CONDUCTING MEMBRANES; FUEL-CELL; MECHANICAL-PROPERTIES; SULFONATED POLYPHENYLSULFONE; EXCHANGE MEMBRANES; RELATIVE-HUMIDITY; POLYMERS; POLYETHERSULFONE; POLYSULFONES;
D O I：
10.1016/j.ijhydene.2012.10.110
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：
Highly sulfonated polyethersulfone (SPES; lone exchange capacity = 3.2 meq/g) and polyphenylsulfone (SPPSU; ion exchange capacity = 3.2 meq/g) were synthesized. To get high thermal and chemical stability, a blend membrane was prepared by the composite of SPES and SPPSU. The SPES-SPPSU blend membrane after the annealing treatment at 180 degrees C was stable in water and other organic solvents, and the thermal stability was also more increased than that of pristine SPES and SPPSU polymers due to the crosslinking formation among SPES and SPPSU. The maximum conductivity of 0.12 S/cm was obtained at the temperature of 140 degrees C and RH 90%. Copyright (C) 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：1517 / 1523
页数：7
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