Journal
EUROPEAN POLYMER JOURNAL
Volume 44, Issue 7, Pages 2225-2230Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eurpolymj.2008.04.048
Keywords
polymer; protonic conductivity; fuel cells; methanol permeability; sulfonic acid; water uptake
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Funding
- Korea Research Foundation [KRF-2005-005-J07501]
- Korea Institute of Industrial Technology(KITECH) [2005-N-FC14-P-04] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2005-005-J07501, 과C6B1912] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Poly-(vinylidene fluoride-hexafluoropropylene) (PVdF-HFP)/Nafion ionomer/aluminum oxy hydroxide nanocomposite membranes were prepared by phase inversion technique. The resultant membranes were subjected to protonic conductivity, methanol permeability, infra-red and thermogravimmetric analysis. The infra-red spectroscopic measurements revealed the presence of sulfonic acid groups in the composite membranes. The thermal stability and ionic conductivity of the polymer membranes have been greatly varied upon the addition of AlO[OH](n). Although the PVDF-HFP/Nafion/AlO[OH](n) composite membranes have moderate protonic conductivity it has lower methanol permeability and may be considered as a candidate for DMFC applications. (c) 2008 Elsevier Ltd. All rights reserved.
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