Effect of the prominent catalyst layer surface on reactant gas transport and cell performance at the cathodic side of a PEMFC

Shiang Wuu Perng, Horng-Wen Wu

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

The cell performance enhancement of a proton exchange membrane fuel cell (PEMFC) has been numerically investigated with the prominence-like form catalyst layer surface of the same composition at the cathodic half-cell of a PEMFC. The geometries of the prominence-like form catalyst layer surface are assigned as one prominence, three prominences, and five prominences catalyst layer surfaces with constant distance between two prominences in the same gas diffusion layer (GDL) for the purpose of investigating the cell performance. To confine the current investigation to two-dimensional incompressible flows, we assume that the fluid flow is laminar with a low Reynolds number 15. The results indicate that the prominence-like form catalyst layer surface can effectively enhance the local cell performance of a PEMFC.

Original languageEnglish
Pages (from-to)1386-1399
Number of pages14
JournalApplied Energy
Volume87
Issue number4
DOIs
Publication statusPublished - 2010 Jan 1

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gas transport
Proton exchange membrane fuel cells (PEMFC)
fuel cell
surface layer
catalyst
membrane
Catalysts
Gases
incompressible flow
two-dimensional flow
Diffusion in gases
Incompressible flow
Reynolds number
fluid flow
Flow of fluids
geometry
Geometry
effect
Chemical analysis
gas

All Science Journal Classification (ASJC) codes

  • Building and Construction
  • Energy(all)
  • Mechanical Engineering
  • Management, Monitoring, Policy and Law

Cite this

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abstract = "The cell performance enhancement of a proton exchange membrane fuel cell (PEMFC) has been numerically investigated with the prominence-like form catalyst layer surface of the same composition at the cathodic half-cell of a PEMFC. The geometries of the prominence-like form catalyst layer surface are assigned as one prominence, three prominences, and five prominences catalyst layer surfaces with constant distance between two prominences in the same gas diffusion layer (GDL) for the purpose of investigating the cell performance. To confine the current investigation to two-dimensional incompressible flows, we assume that the fluid flow is laminar with a low Reynolds number 15. The results indicate that the prominence-like form catalyst layer surface can effectively enhance the local cell performance of a PEMFC.",
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Effect of the prominent catalyst layer surface on reactant gas transport and cell performance at the cathodic side of a PEMFC. / Perng, Shiang Wuu; Wu, Horng-Wen.

In: Applied Energy, Vol. 87, No. 4, 01.01.2010, p. 1386-1399.

Research output: Contribution to journalArticle

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