SPAEK-based binary blends and ternary composites as proton exchange membranes for DMFCs

Alternative titleBinary blends and ternary composites as proton exchange membranes
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DOIResolve DOI: http://doi.org/10.1016/j.memsci.2012.05.039
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TypeArticle
Journal titleJournal of Membrane Science
Volume415-416
Pages520526; # of pages: 7
SubjectPoly(aryl ether ketone); Protonexchangemembranes; Composites; Sol–gel, Fuel cells
AbstractNaphthalene-containing blendmembranes, comprising sulfonated polyaryletherketone (SPAEK) as the primary matrix, and basic component polyazomethine (PAM), which has a chemical structure partially similar with SPAEK, were investigated as protonexchangemembranes (PEMs). Further, a ternary-compositemembrane was successfully prepared by introducing acid-functionalized polysilsesquioxane (POSS–SO3H) into SPAEK/PAM composite using a sol–gel process. The relevant properties of the PEMs, such as proton conductivity, methanol permeability, water uptake, and morphology were determined, and it was shown that the ternary-compositemembrane, SPAEK/PAM/POSS–SO3H, showed a superior combination of properties for proton conductivity and methanol resistance. Its selectivity was 7.5 times higher than Nafion.
Publication date
LanguageEnglish
AffiliationNRC Institute for Chemical Process and Environmental Technology; National Research Council Canada
Peer reviewedYes
NRC number53065
NPARC number21022828
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Record identifier653f8ded-2ddb-4fdd-81d7-f1c3ecf243af
Record created2012-11-23
Record modified2016-05-09
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