Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 72, Issue -, Pages 380-389Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2018.12.040
Keywords
Nanocomposites; Anion exchange membrane; Bromination; Crosslinking; Graphene oxide; Poly(phenylene oxide)
Funding
- Korea Institute of Energy Technology Evaluation and Planning (KETEP)
- Ministry of Trade, Industry and Energy (MOTIE) of the Republic of Korea [20174030201470]
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - the Ministry of Education, Science and Technology [2017R1AB4002083]
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Anion conducting nanocomposite membranes were synthesized by crosslinking quaternized poly (phenylene oxide) with 1,4-diazabicyclo[2.2.2]octane modified graphene oxide (QGO). FTIR, SEM, AFM and TEM were used to study the functionalization, structure, and morphology of the membranes. The effect of QGO on ionic conductivity, water uptake, and swelling ratio were studied in detail. The nanocomposite membrane exhibited an ionic conductivity of similar to 90 mS cm(-1) at 25 degrees C and reached 151 mS cm(-1) at 80 degrees C owing to good microphase separation. A power density of 5.2 mW cm(-2) at 60 degrees C for urea/O-2 fuel cell was obtained using the nanocomposite membrane. (C) 2018 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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