He Gaohong   

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Title : Director of R & D Center of Membrane Science and Technology

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Language:English

Paper Publications

Title of Paper:季铵化聚醚砜氢氧根离子交换膜的制备及研究

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Date of Publication:2012-07-20

Page Number:506-509

Key Words:季铵化聚醚砜氢氧根离子交换膜;制备工艺;材料性能;燃料电池

Abstract:  以氯甲基辛基醚(CMOE)为氯甲基化试剂,成功制备了不同取代度的氯甲基化聚醚砜(CMt’ES),使用三甲胺水溶液将CMPES膜季铵化,制备出季铵化聚醚砜氢氧根离子(QAPESOH)交换膜。对膜的离子交换容量、吸水率、溶胀度以及离子传导率进行测试,结果表明,当QAPES()H膜的氯甲基化程度(DC)在23%~51%时,即使温度升高到60℃,膜都具有良好的吸水率和适当的溶胀度。特别是DC为51%的膜,其氢氧根传导率在20℃时可以达到15.6 mS/cm,并且具有良好的机械稳定性,说明QAPEsOH膜在氢氧根离子交换膜燃料电池方面有很好的应用前景。

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