Performance analysis of hollow fibre-based micro-tubular solid oxide fuel cell utilising methane fuel |
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| Affiliation: | 1. Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia;2. Department of Energy Engineering, Faculty of Chemical and Energy Engineering (FCEE), Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia;1. School of Chemical Engineering, Shandong University of Technology, Zibo 255049, China;2. Department of Chemical Engineering, Tianjin Polytechnic University, Tianjin 300387, China;3. Department of Chemical Engineering, Curtin University, Perth, WA 6845, Australia;1. School of Materials Science and Engineering, Center for Innovative Fuel Cell and Battery Technologies, Georgia Institute of Technology, Atlanta, GA, 30332, United States;2. Key Laboratory for Liquid-solid Structural Evolution & Processing of Materials of Ministry of Education, Shandong University, Jinan, 250061, PR China;1. Instituto de Ciencia de Materiales de Aragón, CSIC-Universidad de Zaragoza, C/ Pedro Cerbuna 12, E-50.009 Zaragoza, Spain;2. Centro Universitario de la Defensa, General Military Academy, Spain;1. Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia;2. Department of Energy Engineering, Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia;1. Department of Mechanical Engineering, University of South Carolina, Columbia, SC 29208, USA;2. Department of Water Quality Engineering, School of Power and Mechanical Engineering, Wuhan University, Wuhan 430072, PR China;3. Department of Chemical Engineering, University of South Carolina, Columbia, SC 29208, USA;1. Department of Chemical & Materials Engineering, University of Alberta, Edmonton, Alberta, T6G 1H9, Canada;2. Alberta Innovates - Technology Futures, Edmonton, Alberta, T6N 1E4, Canada |
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| Abstract: | Solid oxide fuel cell (SOFC) has been studied as one of the most amazing development in energy production that could work directly with hydrocarbon fuel without reforming procedure. This study was conducted to analyse the micro-tubular solid oxide fuel cell (MT-SOFC) in terms of its performance by utilising methane as the fuel, subsequently compared with hydrogen. MT-SOFC that was investigated in this work consisted of thin cathode layer, coated onto co-extruded anode/electrolyte dual-layer hollow fibre (HF); in which its anode was made of nickel (Ni), coupled with cerium-gadolinium oxide (CGO) as an electrolyte, whereas the cathode was lanthanum strontium cobalt ferrite (LSCF) and CGO. The physical analyses carried out were three-point bending test and scanning electron microscopy (SEM). X-ray diffraction (XRD) analysis was further conducted to examine the carbon deposition in HFs. In evaluating the performance of HFs, current-voltage (IV) measurement, as well as impedance analysis of various temperatures range from 500 °C to 700 °C were performed. Based on the results, the OCV, maximum power density and ohmic ASR of MT-SOFC exposed to methane fuel, were at 0.79 V, 0.22 W cm−2 and 0.31 Ω cm2; compared to the other that was exposed to hydrogen fuel, recorded at 0.89 V, 0.67 W cm−2 and 0.19 Ω cm2 respectively. This indicates that there was a significant reduction in cell performance when methane was used as the fuel, due to the carbon deposition as proven by SEM, three-point bending and XRD. |
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| Keywords: | MT-SOFC Methane Carbon deposition Dual-layer hollow fibre |
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