期刊文献+

磺化聚醚砜膜和聚醚砜/磺化聚醚砜共混膜初探(英文)

Preliminary Study on SPES Membranes and PES/SPES Blend Membranes
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摘要 以氯磺酸为磺化剂,以二氯甲烷为溶剂,在室温下合成了磺化聚醚砜(SPES),并采用红外光谱证明了SPES中-SO3H基团的存在。采用流延法制备了SPES膜和PES/SPES共混膜。SPES膜在室温下的电导率和甲醇透过系数随着磺化度的增大而增大。由于PES/SPES共混膜存在相分离行为,导致其甲醇透过系数随PES的含量增加而降低。PES的加入降低了共混膜-SO3H基团的浓度,导致共混膜的电导率也降低。所制备SPES膜和PES/SPES共混膜表现了较好的质子传导性能和阻醇性能,有望作为直接甲醇燃料电池用质子交换膜。 SPES Membranes and PES/SPES blend membranes were cast from solutions. Both SPES and PES/SPES blend membranes had low methanol permeability and high proton conductivity indicating these membranes are excellent candidate membrane materials for direct methanol fuel cells (DMFCs) applications.
作者 朱红 杨武斌
出处 《中山大学学报(自然科学版)》 CAS CSCD 北大核心 2007年第B06期147-148,150,共3页 Acta Scientiarum Naturalium Universitatis Sunyatseni
基金 国家863计划资助项目(2006AA03Z226) 国家自然科学基金资助项目(50674006) 北京市自然科学基金资助项目(2051001)
关键词 磺化聚醚砜 聚醚砜 共混膜 甲醇透过系数 直接甲醇燃料电池 sulfonated poly (ether sulfone) poly (ether sulfone) blend membrane methanol permeability direct methanol fuelcells (DMFCs)
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参考文献5

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二级参考文献14

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