Modeling diffusion limitation in solid-oxide fuel cells

• Published in: Electrochimica acta Vol. 56; no. 27; pp. 9775 - 9782
• Main Authors: Janardhanan, Vinod M., Deutschmann, Olaf
• Format: Journal Article
• Language: English
• Published: Kidlington Elsevier Ltd 30.11.2011; Elsevier
• Subjects: Applied sciences; Bonding; Concentration losses; Constraining; Diffusion; Diffusion limitation; Electric potential; Energy; Energy. Thermal use of fuels; Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc; Exact sciences and technology; Fluxes; Fuel cells; Mathematical modeling; Solid-oxide fuel cells; Surface diffusion; Tortuosity; Voltage; Solid-oxide fuel cells; Mathematical modeling; Diffusion limitation; Surface diffusion; Tortuosity; Concentration losses; Theoretical study; Mathematical model; Modeling; Solid oxide fuel cell

► Surface diffusion coefficients from chemisorption energies.► Chemisorption energy from bond-order conservation Morse potential method. ►Surface diffusion does not lead to diffusion limitations .►Diffusion limitation originates from interface diffusion Effect of surface diffusion on the performance...