Synthesis and Properties of Fluorenyl-Containing Multiblock Sulfonated Poly(Arylene Ether Sulfone) Membranes for Fuel Cell Applications

Shan Shan Chen; Jian Mei Liu; Ying Ling; Shi Chao Fang; Hui Yang; Jia Ni Ling; Meng Xu; Zhao Xia Hu; Shou Wen Chen

doi:10.4028/www.scientific.net/AMR.391-392.308

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 391-392Synthesis and Properties of Fluorenyl-Containing...

Synthesis and Properties of Fluorenyl-Containing Multiblock Sulfonated Poly(Arylene Ether Sulfone) Membranes for Fuel Cell Applications

Abstract:

A series of novel multiblock copolymers containing rigid hydrophilic/soft hydrophobic blocks were synthesized and evaluated for use as proton exchange membranes (PEMs). The multiblock copolymers were prepared by a coupling reaction between phenoxide-terminated sulfonated poly(arylene ether sulfone) oligomer (OSO) and fluorine-terminated poly(arylene ether sulfone) oligomer (FNO). All copolymers produced tough, flexible and transparent membranes by casting from DMSO solution. The resulting membranes displayed good water stability and enhanced proton conductivities comparable to that of the corresponding random ones with similar ion exchange capacity (IEC) values. They also showed slight anisotropic swelling behavior, while isotropic behavior for the random ones. The results revealed that these multiblock copolymers were potential candidates for PEM materials.

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Advanced Materials Research (Volumes 391-392)

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308-312

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.391-392.308

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December 2011

Authors:

Shan Shan Chen, Jian Mei Liu, Ying Ling, Shi Chao Fang, Hui Yang, Jia Ni Ling, Meng Xu, Zhao Xia Hu, Shou Wen Chen

Keywords:

Multiblock Copolymers, Proton Conductivity, Proton Exchange Membrane Fuel Cell, Sulfonated Poly(arylene ether sulfone)

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