Hybird Membrane with High Proton Conductivity and Selectivity Based on SPEEK for Direct Methanol Fuel Cells

高等学校化学研究 ›› 2010, Vol. 26 ›› Issue (6): 1031-1034.

Hybird Membrane with High Proton Conductivity and Selectivity Based on SPEEK for Direct Methanol Fuel Cells

XU Dan¹, WANG Yang², ZHANG Yang¹, ZHANG Gang¹, SHAO Ke¹, LI Shi-wei¹ and NA Hui^1*

1. Alan G. MacDiarmid Institute, College of Chemistry, Jilin University, Changchun 130012, P. R. China;
2. Jilin Province Product Quality Supervision Test Institute, Changchun 130022, P. R. China

收稿日期:2009-12-08 修回日期:2010-03-19 出版日期:2010-11-25 发布日期:2010-12-01
通讯作者: NA Hui E-mail:huina@jlu.edu.cn
作者简介:NA Hui. E-mail: huina@jlu.edu.cn
基金资助:
Supported by the National High-Tech Research and Development Program of China(No.2007AA03Z218).

Hybird Membrane with High Proton Conductivity and Selectivity Based on SPEEK for Direct Methanol Fuel Cells

XU Dan¹, WANG Yang², ZHANG Yang¹, ZHANG Gang¹, SHAO Ke¹, LI Shi-wei¹ and NA Hui^1*

1. Alan G. MacDiarmid Institute, College of Chemistry, Jilin University, Changchun 130012, P. R. China;
2. Jilin Province Product Quality Supervision Test Institute, Changchun 130022, P. R. China

Received:2009-12-08 Revised:2010-03-19 Online:2010-11-25 Published:2010-12-01
Contact: NA Hui E-mail:huina@jlu.edu.cn
About author:NA Hui. E-mail: huina@jlu.edu.cn
Supported by:
Supported by the National High-Tech Research and Development Program of China(No.2007AA03Z218).

摘要/Abstract

摘要： Composite membranes based on sulfonated silica/sulfonated poly(ether ether ketone)(SPEEK) were prepared by means of sol-gel method so as to gain a high conductivity and reasonable methanol permeability. The sulfonated silica is generated in situ via the hydrolysis of sulfonated 3-anminopropyl triethoxysilane(KH550) synthesized newly from 3-aminopropyl triethoxysilane and 1,4-butane sultone. The membrane with a silica mass fraction of 5% exhibits a conductivity of 0.187 S/cm at 80 °C and a methanol coefficient with 9.72×10–7 cm2/s. The composite membranes show improved condutive ability and better selectivity that can be promisingly used in direct methanol fuel cell.

关键词: Fuel cell, Proton exchange membrane, Sulfonated poly(ether ether ketone)(SPEEK), Sulfonated silica

Abstract: Composite membranes based on sulfonated silica/sulfonated poly(ether ether ketone)(SPEEK) were prepared by means of sol-gel method so as to gain a high conductivity and reasonable methanol permeability. The sulfonated silica is generated in situ via the hydrolysis of sulfonated 3-anminopropyl triethoxysilane(KH550) synthesized newly from 3-aminopropyl triethoxysilane and 1,4-butane sultone. The membrane with a silica mass fraction of 5% exhibits a conductivity of 0.187 S/cm at 80 °C and a methanol coefficient with 9.72×10–7 cm2/s. The composite membranes show improved condutive ability and better selectivity that can be promisingly used in direct methanol fuel cell.

Key words: Fuel cell, Proton exchange membrane, Sulfonated poly(ether ether ketone)(SPEEK), Sulfonated silica

XU Dan, WANG Yang, ZHANG Yang, ZHANG Gang, SHAO Ke, LI Shi-wei and NA Hui*. Hybird Membrane with High Proton Conductivity and Selectivity Based on SPEEK for Direct Methanol Fuel Cells[J]. 高等学校化学研究, 2010, 26(6): 1031-1034.

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Hybird Membrane with High Proton Conductivity and Selectivity Based on SPEEK for Direct Methanol Fuel Cells

Hybird Membrane with High Proton Conductivity and Selectivity Based on SPEEK for Direct Methanol Fuel Cells

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