Operating temperature effects on water transport behavior in a single cell PEMFC

Misran Erni, Mat Hassan Nik Suhaimi, Wan Ramli Wan Daud, Edy Herianto, Kurniawan Miftah

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Flooding and membrane dehydration are phenomena that must be avoided in a proton exchange membrane fuel cell (PEMFC) operation. It needs a sufficient knowledge about water transport behaviors. Electro-osmotic drag and back diffusion are the dominant water transport mechanisms through the membrane in PEMFC. In this study, the relative humidity (RH) profile along the channel at both anode and cathode sides have been recorded. The experiment was conducted in a single cell PEMFC with single serpentine flow field design. The water content profile was strongly influenced by RH profile thus in turn influenced the electro-osmotic drag coefficient, water diffusion coefficient and back diffusion flux. The operating temperatures of cell also influence those water transport behavior. The temperature was varied at 25, 40, 50 and 60 °C, while the pressure at the anode and the cathode was fixed at 1 bar. The higher the temperature, the smaller the water contents but with higher electro-osmotic drag coefficient, water diffusion coefficient and back diffusion flux. After all, the strategy of using saturated hydrogen and dry air in this study successfully prevents flooding and membrane dehydrating in the system - that are the major problems in PEMFC operation.

Original languageEnglish
Title of host publicationApplied Mechanics and Materials
Pages1153-1158
Number of pages6
Volume52-54
DOIs
Publication statusPublished - 2011
Event2011 1st International Conference on Mechanical Engineering, ICME 2011 - Phuket
Duration: 3 Apr 20114 Apr 2011

Publication series

NameApplied Mechanics and Materials
Volume52-54
ISSN (Print)16609336
ISSN (Electronic)16627482

Other

Other2011 1st International Conference on Mechanical Engineering, ICME 2011
CityPhuket
Period3/4/114/4/11

Fingerprint

Proton exchange membrane fuel cells (PEMFC)
Thermal effects
Drag coefficient
Water
Membranes
Water content
Atmospheric humidity
Anodes
Cathodes
Fluxes
Dehydration
Temperature
Drag
Flow fields
Hydrogen
Air
Experiments

Keywords

  • Back diffusion flux
  • Electro-osmotic drag coefficient
  • PEMFC
  • Relative humidity
  • Serpentine channel
  • Water diffusion coefficient

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Erni, M., Nik Suhaimi, M. H., Wan Daud, W. R., Herianto, E., & Miftah, K. (2011). Operating temperature effects on water transport behavior in a single cell PEMFC. In Applied Mechanics and Materials (Vol. 52-54, pp. 1153-1158). (Applied Mechanics and Materials; Vol. 52-54). https://doi.org/10.4028/www.scientific.net/AMM.52-54.1153

Operating temperature effects on water transport behavior in a single cell PEMFC. / Erni, Misran; Nik Suhaimi, Mat Hassan; Wan Daud, Wan Ramli; Herianto, Edy; Miftah, Kurniawan.

Applied Mechanics and Materials. Vol. 52-54 2011. p. 1153-1158 (Applied Mechanics and Materials; Vol. 52-54).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Erni, M, Nik Suhaimi, MH, Wan Daud, WR, Herianto, E & Miftah, K 2011, Operating temperature effects on water transport behavior in a single cell PEMFC. in Applied Mechanics and Materials. vol. 52-54, Applied Mechanics and Materials, vol. 52-54, pp. 1153-1158, 2011 1st International Conference on Mechanical Engineering, ICME 2011, Phuket, 3/4/11. https://doi.org/10.4028/www.scientific.net/AMM.52-54.1153
Erni M, Nik Suhaimi MH, Wan Daud WR, Herianto E, Miftah K. Operating temperature effects on water transport behavior in a single cell PEMFC. In Applied Mechanics and Materials. Vol. 52-54. 2011. p. 1153-1158. (Applied Mechanics and Materials). https://doi.org/10.4028/www.scientific.net/AMM.52-54.1153
Erni, Misran ; Nik Suhaimi, Mat Hassan ; Wan Daud, Wan Ramli ; Herianto, Edy ; Miftah, Kurniawan. / Operating temperature effects on water transport behavior in a single cell PEMFC. Applied Mechanics and Materials. Vol. 52-54 2011. pp. 1153-1158 (Applied Mechanics and Materials).
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