Abstract
The physico-chemical properties of two protonic electrolytes BaCe0.8Y0.2O3-δ and BaCe0.9Y0.1O3-δ were investigated. The BaCe0.8Y0.2O3-δ electrolyte showed better crystallographic purity and lower amount of carbonate phase on the surface. A comparison between the BaCe0.8Y0.2O3-δ protonic electrolyte supported cell and an anionic (Ce0.8Gd0.2O1.95) one was made. The maximum power densities (IR-free) of 183 mW cm−2 and 400 mW cm−2 were obtained in H2 (R.H. 3%) at 700 °C, for the protonic and anionic electrolyte based cells, respectively.
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The authors are grateful to the Italian Ministry of Education and Research (MIUR) for financial support through the FISR project.
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La Rosa, D., Lo Faro, M., Monforte, G. et al. Comparison of the electrochemical properties of intermediate temperature solid oxide fuel cells based on protonic and anionic electrolytes. J Appl Electrochem 39, 477–483 (2009). https://doi.org/10.1007/s10800-008-9668-2
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DOI: https://doi.org/10.1007/s10800-008-9668-2