Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 2, Issue 12, Pages 4413-4421Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ta15178f
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Funding
- Natural Science Foundation of China [21274101]
- National Basic Research Program of China (973 Program) [2012CB825800]
- Natural Science Foundation of Jiangsu Province [BK2011274]
- Research Fund for the Doctoral Program of Higher Education [20103201110003]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
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Solvent processable anion exchange membranes (AEMs) containing imidazolium cation and poly(arylene ether sulfone) side chains were prepared via the ionization of poly(4-vinylbenzyl chloride)-graft-poly(arylene ether sulfone) copolymers, and followed by anion exchange with hydroxide ions. The ionized copolymers produced ductile, transparent membranes which possess a relatively high ionic conductivity (up to 1.6 x 10(-2) S cm(-1) at room temperature). The yielded membranes are soluble in polar aprotic solvents, such as DMSO and DMF, while insoluble in water and methanol. The synthesized AEMs show good alkaline stability in 1 M KOH at 60 degrees C for 20 days, as well as high dimensional and thermal stability. These results should pave way to the practical application of this kind of AEM in alkaline fuel cells.
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