Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 1, Issue 21, Pages 6481-6488Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ta10355b
Keywords
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Funding
- National Natural Science Foundation of China [50973040]
- Science and Technology Development Plan of Jilin Province, China [20100706]
- Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry [5043C1116801412]
- Industrial Technology Research and Development Funds of Jilin Province [2011004-1]
- WCU program of the government of Korea [R31-2008-000-10092-0]
- National Research Foundation of Korea [R31-2012-000-10092-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Naphthalene-based poly(arylene ether ketone)s were obtained through a three-step process involving polymerization of methylated polymers, followed by bromination and derivatization with a diquaternary-ammonium group. The ionic conductivities of the anion exchange membranes were above 10(-2) S cm(-1) at room temperature and the membrane with an IEC = 1.46 mequiv. g(-1) attained an ion conductivity of 7.4 x 10(-2) S cm(-1) at 100 degrees C, which is higher than many reported results. The membrane series had low water uptake and excellent dimensional stability, even at the highest IEC values. In addition, the membranes were insoluble in organic solvents and concentrated alkaline solutions for many days, even under heating, suggesting their excellent stability. These combined data suggest that the membranes have potential to be used as anion exchange membranes for fuel cells applications.
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