Catalyst layers are one the important parts of the PEM fuel cells as they are the main place for electrochemical reaction taking place in anode and cathode of the cells. The amount of catalyst loading of this layer has a large effect on PEM fuel cell performance. Non-uniformity of reactant concentration could lead to a variation of current density in anode and cathode catalyst layer. The main reason for this phenomenon is porosity variation due to two effects: 1. compression of electrode on the solid landing area and 2. Water produced at the cathode side of diffusion layer. In this study the effect of variable current density in anode and cathode electrode on cell performance is investigated. It has shown that better cell performance could be achieved by adding a certain amount of catalyst loading to each electrode, with respect to the reactant concentration.
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ASME 2005 3rd International Conference on Fuel Cell Science, Engineering and Technology
May 23–25, 2005
Ypsilanti, Michigan, USA
Conference Sponsors:
- Nanotechnology Institute
ISBN:
0-7918-3764-5
PROCEEDINGS PAPER
The Effect of Variable Catalyst Loading in Electrodes on PEM Fuel Cell Performance
R. Roshandel,
R. Roshandel
Sharif University of Technology, Tehran, Iran
Search for other works by this author on:
B. Farhanieh
B. Farhanieh
Sharif University of Technology, Tehran, Iran
Search for other works by this author on:
R. Roshandel
Sharif University of Technology, Tehran, Iran
B. Farhanieh
Sharif University of Technology, Tehran, Iran
Paper No:
FUELCELL2005-74039, pp. 145-152; 8 pages
Published Online:
October 13, 2008
Citation
Roshandel, R, & Farhanieh, B. "The Effect of Variable Catalyst Loading in Electrodes on PEM Fuel Cell Performance." Proceedings of the ASME 2005 3rd International Conference on Fuel Cell Science, Engineering and Technology. 3rd International Conference on Fuel Cell Science, Engineering and Technology. Ypsilanti, Michigan, USA. May 23–25, 2005. pp. 145-152. ASME. https://doi.org/10.1115/FUELCELL2005-74039
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