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http://dx.doi.org/10.5229/JKES.2016.19.1.9

Electrospun Poly(Ether Sulfone) Membranes Impregnated with Nafion for High-Temperature Polymer Electrolyte Membrane Fuel Cells  

Lee, Hong Yeon (Department of Chemical and Bio-molecular Engineering, Yonsei University)
Hwang, Hyung Kwon (Department of Chemical and Bio-molecular Engineering, Yonsei University)
Lee, Jin Goo (Department of Chemical and Bio-molecular Engineering, Yonsei University)
Jeon, Yukwon (Department of Chemical and Bio-molecular Engineering, Yonsei University)
Park, Dae-Hwan (Department of Chemical and Bio-molecular Engineering, Yonsei University)
Kim, Jong Hak (Department of Chemical and Bio-molecular Engineering, Yonsei University)
Shul, Yong-Gun (Department of Chemical and Bio-molecular Engineering, Yonsei University)
Publication Information
Journal of the Korean Electrochemical Society / v.19, no.1, 2016 , pp. 9-13 More about this Journal
Abstract
Electrospun poly(ether sulfone) (PES) membrane impregnated with Nafion (PES-N) have been developed for high-temperature polymer-electrolyte membrane fuel cell (HT-PEMFC). The PES-N obtains highly thermal stability up to $430^{\circ}C$, which is higher than that of the commercial Nafion 212. The PES-N membrane shows a good proton conductivity of about $10^{-2}S\;cm^{-1}$ in a temperature range from $75^{\circ}C$ to $120^{\circ}C$. The membrane-electrode assembly (MEA) with the PES-N membrane exhibits a current density of $1.697A\;cm^{-2}$ at $75^{\circ}C$, and $0.813A\;cm^{-2}$ at $110^{\circ}C$ when the applied voltage is 0.6 V, whereas the MEA with the Nafion 212 membrane shows the current density of $0.647Acm^{-2}$ at $110^{\circ}C$. The results suggest that the PES-N can be a good candidate for a polymer electrolyte membrane of the HT-PEMFC.
Keywords
Polymer Electrolyte Membrane; Nafion; Poly(ether sulfone); Electrospinning; Thermal Stability;
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Times Cited By KSCI : 1  (Citation Analysis)
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