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A Comparative Study on EB-Radiation Deterioration of Nafion Membrane in Water and Isopropanol Solvents

Author

Listed:
  • Ji Sun Choi

    (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, 29 Geumgu-gil, Jeongeup-si, Jeollabuk-do 580-185, Korea)

  • Joon-Yong Sohn

    (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, 29 Geumgu-gil, Jeongeup-si, Jeollabuk-do 580-185, Korea
    Department of Energy Engineering, College of Engineering, Hanyang University, 222 Wangsimni-ro Seongdong-gu, Seoul 133-791, Korea)

  • Junhwa Shin

    (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, 29 Geumgu-gil, Jeongeup-si, Jeollabuk-do 580-185, Korea)

Abstract

The purpose of this study was to investigate the influence of electron beam (EB) irradiation on the structure and physical properties of Nafion 117 membranes (in both acid and sodium forms) when they are irradiated in water and isopropanol as solvents. The mechanical properties of Nafion membranes in acid form irradiated in water were found to rapidly deteriorate as the irradiation dose was increased compared to those irradiated in isopropanol. It was also found that the thermal stability of the irradiated Nafion membranes decreased with an increase in the irradiation dose, especially when the Nafion membranes were irradiated in water. It was also observed that the irradiated Nafion membranes in sodium form showed higher mechanical and thermal properties than the irradiated Nafion membranes in acid form regardless of the solvent at the same irradiation dose. The ion exchange capacity of irradiated Nafion membranes was found to be somewhat unaffected compared to the mechanical properties, regardless of the solvent used.

Suggested Citation

  • Ji Sun Choi & Joon-Yong Sohn & Junhwa Shin, 2015. "A Comparative Study on EB-Radiation Deterioration of Nafion Membrane in Water and Isopropanol Solvents," Energies, MDPI, vol. 8(6), pages 1-11, June.
    • Handle: RePEc:gam:jeners:v:8:y:2015:i:6:p:5370-5380:d:50763
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    Cited by:

    1. Devin Fowler & Vladimir Gurau & Daniel Cox, 2019. "Bridging the Gap between Automated Manufacturing of Fuel Cell Components and Robotic Assembly of Fuel Cell Stacks," Energies, MDPI, vol. 12(19), pages 1-14, September.

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