Synthesis and Characterization of Novel Sulfonated Poly(arylene ether ketone) as Proton Exchange Membrane for PEM Fuel Cell Application

Chem. J. Chinese Universities

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Synthesis and Characterization of Novel Sulfonated Poly(arylene ether
ketone) as Proton Exchange Membrane for PEM Fuel Cell Application

KONG Ling-Huan^2,3, XIAO Min¹, WANG Lei^2,3, MENG Yue-Zhong^1,2*

1 Institute of Energy & Environment Materials, School of Physics &
Engineering, Sun Yat-Sen University, Guangzhou 510275, China;
2 Guangzhou Institute of Chemistry, Guangzhou 510650, China;
3 Chinese Academy of Sciences, Beijing 100039, China)

Received:2005-09-22 Revised:1900-01-01 Online:2006-06-10 Published:2006-06-10
Contact: MENG Yue-Zhong

Abstract

Abstract: A novel sulfonated poly(arylene ether ketone) was successfully synthesized by the sulfonation of the polymer with chlorosulfonic acid. It was confirmed by ¹H NMR spectra that the sulfonic acid group had beenintroduced onto the para-position of the pendant phenyl rings. The sulfonated polymers are very soluble in DMSO and other organic solvents, and can be readily cast into tough and transparent film. The results show that the membrane derived from the as-prepared polymers exhibits higher water absorption, superior thermal stability and higher proton conductive property than Nafion. The mechanical strength, oxidative stability and hydrolytic stability were tested and compared with those of Nafion.

Key words: Proton exchange membrane, Poly(arylene ether ketone), Proton conductivity, Fuel cell

CLC Number:

O631

TrendMD:

KONG Ling-Huan^2,3, XIAO Min¹, WANG Lei^2,3, MENG Yue-Zhong^1,2*. Synthesis and Characterization of Novel Sulfonated Poly(arylene ether
ketone) as Proton Exchange Membrane for PEM Fuel Cell Application[J]. Chem. J. Chinese Universities, doi: .

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Synthesis and Characterization of Novel Sulfonated Poly(arylene ether
ketone) as Proton Exchange Membrane for PEM Fuel Cell Application

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