A two-dimensional multi-component Lattice Boltzmann (LB) model based on kinetic theory for gas mixtures combined with a representative elementary volume (REV) scale LB algorithm based on the Brinkman equation for flows in porous media is developed to simulate the mass transport in the porous anode and cathode of SOFC. The concentration overpotential is calculated and compared with that obtained by the extended Fick’s Model (FM), the Dusty Gas Model (DGM), and the Stefan Maxwell Model (SMM), as well as the experimental results. It is concluded that LB method is a much more accurate method for the simulation of mass transfer within fuel cell electrodes. Moreover, the effects of different electrode geometrical and operating parameters on concentration polarization are also investigated.
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ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology collocated with the ASME 2012 6th International Conference on Energy Sustainability
July 23–26, 2012
San Diego, California, USA
Conference Sponsors:
- Advanced Energy Systems Division
- Solar Energy Division
ISBN:
978-0-7918-4482-3
PROCEEDINGS PAPER
Numerical Simulation of Multi Species Mass Transfer in a SOFC Electrodes Layer Using Lattice Boltzmann Method
Han Xu,
Han Xu
Xi’an Jiaotong University, Xi’an, Shaanxi, China
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Zheng Dang,
Zheng Dang
Xi’an Jiaotong University, Xi’an, Shaanxi, China
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Bo-Feng Bai
Bo-Feng Bai
Xi’an Jiaotong University, Xi’an, Shaanxi, China
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Han Xu
Xi’an Jiaotong University, Xi’an, Shaanxi, China
Zheng Dang
Xi’an Jiaotong University, Xi’an, Shaanxi, China
Bo-Feng Bai
Xi’an Jiaotong University, Xi’an, Shaanxi, China
Paper No:
FuelCell2012-91254, pp. 327-334; 8 pages
Published Online:
July 23, 2013
Citation
Xu, H, Dang, Z, & Bai, B. "Numerical Simulation of Multi Species Mass Transfer in a SOFC Electrodes Layer Using Lattice Boltzmann Method." Proceedings of the ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology collocated with the ASME 2012 6th International Conference on Energy Sustainability. ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology. San Diego, California, USA. July 23–26, 2012. pp. 327-334. ASME. https://doi.org/10.1115/FuelCell2012-91254
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