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研究论文

碱性直接甲醇燃料电池含氟阴离子交换膜的制备及性能研究

  • 张燕梅 ,
  • 方军 ,
  • 严格 ,
  • 庄永泽
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  • 厦门大学化学化工学院化学工程与生物工程系;

收稿日期: 2011-02-28

  修回日期: 2011-02-28

  网络出版日期: 2011-02-28

Novel Anion Exchange Membranes Base on Copolymer of 2-(Diethylamino) Ethyl Methacrylate and Fluoro-Polyacrylate for Alkaline Direct Methanol Fuel Cells

  • ZHANG Yan-mei ,
  • FANG Jun ,
  • YAN Ge ,
  • ZHUANG Yong-ze
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  • (College Chemistry & Chemical Engineering,Xiamen University,Xiamen 361005,Fujian,China

Received date: 2011-02-28

  Revised date: 2011-02-28

  Online published: 2011-02-28

摘要

以甲基丙烯酸二甲基氨基乙酯和甲基丙烯酸三氟乙酯为单体,经过自由基聚合反应、成膜和碱化3个步骤制备氢氧型的DMAEMA/TFMA聚合物阴离子交换膜,系统表征该聚合物膜的结构和性能.结果表明:室温下其电导率可达10-2 S.cm-1;该膜的甲醇渗透系数低于10-7 cm2.s-1;以该膜组装的单电池在室温下的最大功率密度为43.2 mW/cm2,在燃料电池中有良好的应用前景.

本文引用格式

张燕梅 , 方军 , 严格 , 庄永泽 . 碱性直接甲醇燃料电池含氟阴离子交换膜的制备及性能研究[J]. 电化学, 2011 , 17(1) : 73 -79 . DOI: 10.61558/2993-074X.2819

Abstract

Anion exchange membrane fuel cells,which use anion exchange membranes as polyelectrolytes,have attracted more and more research interests recently.In this work,a series of hydroxyl-conducting anion-exchange membranes based on the copolymer of 2-(Diethylamino)ethyl methacrylate and fluoro-polyacrylate were prepared by radical polymerization,and their potential applications in alkaline fuel cells were assessed.It was shown that the ionic conductivity of the membranes reached 10-2 S·cm-1 at room temperature,while the methanol permeability was lower than 10-7 cm2·s-1.The maximum power density of fuel cell assembled with this membrane was achieved to be 43.2 mW·cm-2 at room temperature,indicating possible application of this membrane in alkaline fuel cells.
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