Comparative performance analysis of PEM and solid oxide steam electrolysers |
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Authors: | Jonathan Nieminen Ibrahim Dincer Greg Naterer |
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Affiliation: | Faculty of Engineering and Applied Science, University of Ontario Institute of Technology, 2000 Simcoe Street North, Oshawa, ON L1H 7K4, Canada |
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Abstract: | This paper presents a comprehensive overview of comparative performance characteristics of proton exchange membrane (PEM) and solid oxide steam (SOS) electrolysers based on a thermodynamic analysis. The main factors which influence electrolyser energy and exergy efficiencies were temperature, summation of overpotentials, applied voltage, and to a lesser extent pressure. It is found that anodic overpotentials make up a majority of the total overpotentials in both electrolyser types studied and therefore further development of catalysts to reduce the overpotentials was recommended. |
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Keywords: | Hydrogen production Electrolysis PEM SOS Energy Exergy Efficiency |
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