Modeling of Co-planar type single-chamber solid oxide fuel cells

Naveed Akhtar*, Stephen P. Decent, Daniel Loghin, Kevin Kendall

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

A two dimensional, nonisothermal numerical model of a single-chamber solid oxide fuel cell has been developed. For the sake of simplicity in developing the model, hydrogen-air mixture (80% hydrogen, 20% air by volume, which is considered as safe) has been chosen instead of hydrocarbon-air mixtures (which require complex modeling strategy such as reforming via partial oxidation and modeling of two active fuels, i.e., hydrogen and carbon monoxide). The model is based on considering yttria-stabilized zirconia (YSZ) as an electrolyte supported material, nickel yttria-stabilized zirconia (Ni-YSZ) as anode, and lanthanum strontium manganite as a cathode material. The effect of varying distance between anode and cathode, flow rate, temperature, porosity, and electrolyte thickness has been investigated in terms of electrochemical performance. It has been found that the flow rate and distance between the electrodes' pair are the most sensitive parameters in such type of fuel cells. The model was coded in a commercial software package of finite element analysis, i.e., COMSOL MULTIPHYSICS, 3.3a.
Original languageEnglish
Article number041014
Number of pages10
JournalJournal of Electrochemical Energy Conversion and Storage
Volume8
Issue number4
Early online date1 Apr 2011
DOIs
Publication statusPublished - Aug 2011
Externally publishedYes

Keywords

  • single-chamber
  • coplanar
  • solid oxide fuel cell
  • hydrogen

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Mechanics of Materials
  • Mechanical Engineering

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