Experimental analysis of a dimensionless number in the cathode channels of a polymer electrolyte membrane fuel cell with different head losses

S. H. Han, K. R. Kim, D. K. Ahn, Young Don Choi

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

This study investigates the effects of stoichiometry, humidity, cell temperature, and pressure on the performance and the flooding of the proton exchange membrane fuel cell. Values of stoichiometry are 1.5, 2.0, and 2.5 at cell temperatures of 50, 55, and 60°C, respectively. This study shows that the dimensionless flooding value (FV) is a function of the stoichiometry, humidity, temperature, and pressure. The FV is calculated by using the measured values of temperature, humidity, pressure, and flowrate of the cathode. The effect of the dimensionless number on the flooding of the cathode in the proton exchange membrane fuel cell is analysed in this study. The effects of air stoichiometry, cell temperature, and air humidity are also discussed in this article.

Original languageEnglish
Pages (from-to)95-108
Number of pages14
JournalProceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
Volume224
Issue number1
DOIs
Publication statusPublished - 2010 Jan 1

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Proton exchange membrane fuel cells (PEMFC)
Cathodes
Stoichiometry
Atmospheric humidity
Temperature
Air

Keywords

  • Current density
  • Dimensionless number
  • Flooding
  • Mass flowrate
  • Polymer electrolyte membrane fuel cell
  • Stoichiometry

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

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abstract = "This study investigates the effects of stoichiometry, humidity, cell temperature, and pressure on the performance and the flooding of the proton exchange membrane fuel cell. Values of stoichiometry are 1.5, 2.0, and 2.5 at cell temperatures of 50, 55, and 60°C, respectively. This study shows that the dimensionless flooding value (FV) is a function of the stoichiometry, humidity, temperature, and pressure. The FV is calculated by using the measured values of temperature, humidity, pressure, and flowrate of the cathode. The effect of the dimensionless number on the flooding of the cathode in the proton exchange membrane fuel cell is analysed in this study. The effects of air stoichiometry, cell temperature, and air humidity are also discussed in this article.",
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AU - Han, S. H.

AU - Kim, K. R.

AU - Ahn, D. K.

AU - Choi, Young Don

PY - 2010/1/1

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N2 - This study investigates the effects of stoichiometry, humidity, cell temperature, and pressure on the performance and the flooding of the proton exchange membrane fuel cell. Values of stoichiometry are 1.5, 2.0, and 2.5 at cell temperatures of 50, 55, and 60°C, respectively. This study shows that the dimensionless flooding value (FV) is a function of the stoichiometry, humidity, temperature, and pressure. The FV is calculated by using the measured values of temperature, humidity, pressure, and flowrate of the cathode. The effect of the dimensionless number on the flooding of the cathode in the proton exchange membrane fuel cell is analysed in this study. The effects of air stoichiometry, cell temperature, and air humidity are also discussed in this article.

AB - This study investigates the effects of stoichiometry, humidity, cell temperature, and pressure on the performance and the flooding of the proton exchange membrane fuel cell. Values of stoichiometry are 1.5, 2.0, and 2.5 at cell temperatures of 50, 55, and 60°C, respectively. This study shows that the dimensionless flooding value (FV) is a function of the stoichiometry, humidity, temperature, and pressure. The FV is calculated by using the measured values of temperature, humidity, pressure, and flowrate of the cathode. The effect of the dimensionless number on the flooding of the cathode in the proton exchange membrane fuel cell is analysed in this study. The effects of air stoichiometry, cell temperature, and air humidity are also discussed in this article.

KW - Current density

KW - Dimensionless number

KW - Flooding

KW - Mass flowrate

KW - Polymer electrolyte membrane fuel cell

KW - Stoichiometry

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