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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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含氨基聚芳醚酮/磺化聚芳醚酮砜中高温质子交换复合膜的制备与性能研究
DOI: 10.3724/SP.J.1105.2012.11402, PP. 972-979
Keywords: 磺化聚芳醚酮砜,含氨基聚芳醚酮,复合膜
Abstract:
以自制的高磺化度磺化聚芳醚酮砜(SPAEKS)和含有氨基的聚芳醚酮(Am-PAEK)为原料,通过共溶剂涂膜法制备了不同重量比例的Am-PAEK/SPAEKS复合膜.通过高温(160℃)处理使氨基和磺酸基团在复合膜内形成交联,制得交联型复合膜.复合膜的热性能、尺寸稳定性、阻醇性能有所提高,而且交联型复合膜中的Am-PAEK/SPAEKS-C-3质子传导率在120℃时达到了0.0892S/cm,高于在相同测试条件下SPAEKS膜的0.0654S/cm和Nafion？膜的0.062S/cm,而其甲醇渗透系数在25℃时达到0.14×10-6cm2/s,低于SPAEKS膜的0.85×10-6cm2/s和Nafion？膜的2×10-6cm2/s.实验结果表明,Am-PAEK/SPAEKS交联型复合膜有望在中高温质子交换膜燃料电池中得到应用.
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