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Preparation and properties of sulfonatedpoly(ether ether ketone)/multi-walled carbon nanotubes composite proton exchange membranes

Authors： QIN Ruihong, MENG Xiaoyu, WEI Peng, LIU Xu, CAI Ziqing, ZHOU Qiong

Units： Department of Material Science and Engineering, College of Science, China University of Petroleum (Beijing),Beijing 102200, China

KeyWords： sulfonatedpoly(ether ether ketone); multi-walled carbon nanotubes; proton conductivity; direct methanol fuel cell

ClassificationCode：TM 911.4

year,volume(issue):pagination： 2015,35(4):29-34

Abstract：

modified multi-walled carbon nanotubes (S-MWNTs) whose surfaces were grafted with sulfonic acid groups were synthesized, sulfonatedpoly(ether ether ketone)/S-MWNTs composite membranes for application in the direct methanol fuel cell(DMFC) were prepared by solution blending technique. Scanning electron microscopy(SEM) showed S-MWNTs were uniformly dispersed in the composite membrane when the doping content was small. The excellent thermal resistance were proved by thermal gravimetric analysis(TGA). When the doping content was 1 wt%, the mechanical properties, dimensional stability and proton conductivity were all improved, which effectively solves contradictory problems of pureSPEEKmembranebetween proton conductivity and the other properties of proton exchange membrane such as mechanical properties, dimensional stability, thermal resistance.
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AuthorIntro：

秦瑞红（1989－），女，河南商丘人，硕士研究生，从事高分子材料改性与高性能化方面研究

Reference：

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