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Effects of catalyst loading gradient in catalyst layers on performance of polymer electrolyte membrane fuel cells
Roshandel, R
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Effects of catalyst loading gradient in catalyst layers on performance of polymer electrolyte membrane fuel cells
Author :
Roshandel, R
Publisher :
Pub. Year :
2013
Subjects :
Modeling Non-uniform catalyst Agglomerate Analytical approach Analytical...
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Effects of catalyst loading gradient in catalyst layers on performance of polymer electrolyte membrane fuel cells
(1)
1. Introduction
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1.1. Catalyst layer modeling
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1.2. The objective of present study
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1.3. The problem under study
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2. Analytical approach
(2)
3. Mathematical model
(3)
3.1. Modeling of gas diffusion layer (GDL)
(3)
3.2. Modeling of catalyst layer (CL)
(3)
3.3. Boundary conditions
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3.4. Modeling of catalyst loading gradient in catalyst layers
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3.5. Solution procedure
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3.6. Numerical accuracy and grid independency
(5)
4. Results and discussion
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4.1. Effect of channel/land configuration on reactant distribution
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4.2. Effect of external load on local current density distribution
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4.3. Effect of catalyst loading gradient on the local current density and output voltage
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4.4. Effect of catalyst loading distribution on polarization and power curves
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5. Conclusion
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Acknowledgments
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Nomenclature
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References
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