Modeling and analysis of a model solid oxide fuel cell running on low calorific value coal gases |
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| Affiliation: | 1. School of Mechatronic Engineering, Xi''an Technological University, Xi''an, 710021, China;2. Mechanical Engineering Department, University of Technology, Baghdad, Iraq;3. School of Science, Huzhou University, Huzhou, 313000, PR China;4. Department of Mechanical Engineering, School of Engineering, Urmia University, Urmia, Iran;5. Department of Mechanical Engineering, Elm-o-Fann University College of Science and Technology, Urmia, Iran;6. School of Mechanical Engineering, Iran University of Science and Technology (IUST), Tehran, Iran;7. Mechanical Engineering Department, College of Engineering, Prince Sattam Bin Abdulaziz University, Alkharj, 16273, Saudi Arabia;8. Mechanical Engineering Department, Faculty of Engineering, Red Sea University, Port Sudan, Sudan;1. Institute of Mechanical, Process and Energy Engineering, School of Engineering and Physical Sciences, Heriot Watt University, EH14 4AS, Edinburgh, UK;2. Department of Mechanical Engineering, University of Engineering and Technology, Lahore, Pakistan;1. School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou, 221116, China;2. School of Materials Science and Physics, China University of Mining and Technology, Xuzhou, 21116, China;3. Jiangsu Province Engineering Laboratory of High Efficient Energy Storage Technology and Equipments, China University of Mining and Technology, Xuzhou, 221116, China |
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| Abstract: | Solid oxide fuel cell (SOFC) is a device that produces electricity directly from oxidizing a fuel. Some of the advantages are operating at high temperatures and converting various hydrocarbon fuels directly into electricity. This study investigates the parameters that influence the cell characteristics of a cathode-supported SOFC (CS SOFC) model. Numerical modeling has been performed utilizing low calorific value coal gases, generator gas, and water gas by deriving an SOFC model based on finite element method (FEM). The effects of fuel compositions, temperature, pressure, and porosity on the performance of the developed SOFC have been examined using COMSOL software. These effects are presented by polarization and power curves. A mathematical model has been developed to determine the performance of a CSSOFC with low calorific value coal gases that were obtained from Turkey/Turk coal. It is predicted that the performance of CSSOFC is higher than that of the electrolyte-supported SOFC (ES-SOFC) for all studied fuels. Besides this, the cost of the cathode supporting materials for high-performance CSSOFC is low. The performance of SOFC using water gas is higher than that of the generator gas. This being maybe the hydrogen content of the water gas is higher compared with the generator gas. Therefore, the result confirmed that low calorific value coal gases could be used in SOFCs as a source of fuel. Moreover, the power of the CSSOFC increases as the pressure, temperature, and hydrogen content increase. |
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| Keywords: | Electrolyte and cathode-supported SOFC's Coal gases SOFC performance Numerical modeling |
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