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Title: | High performance of protonic solid oxide fuel cell with BaCo0.7Fe0.22Sc0.08O3−δ electrode | Authors: | He, W Yuan, RH Dong, FF Wu, XL Ni, M |
Issue Date: | 28-Sep-2017 | Source: | International journal of hydrogen energy, 28 Sept. 2017, v. 42, no. 39, p. 25021-25025 | Abstract: | Solid oxide fuel cells (SOFCs) have attracted tremendous attention for their combination of environmental power generation and fuel flexibility. Proton conducting SOFCs (P-SOFCs) demonstrate advantages over oxygen-ion conducting SOFCs, such as less activation energies on ionic transport and higher fuel utilization efficiency. Central to the devices is a suitable cathode with high catalytic activity. Herein, a cubic perovskite BaCo0.7Fe0.22Sc0.08O3−δ (BCFSc) has been applied as the cathode in proton-conducting solid state fuel cell (SOFC) with BaZr0.1Ce0.7Y0.2O3−δ (BZCY) electrolyte. Peak power densities of 760, 591, 452 and 318 mW cm−2 are obtained at 650, 600, 550 and 500 °C with humidified hydrogen as the fuel and air as the oxidant. A low polarization resistance of 0.05 Ω cm2 under open circuit at 650 °C is observed. | Keywords: | Cathode High performance Low polarization resistance Proton-conducting solid oxide fuel cell |
Publisher: | Pergamon Press | Journal: | International journal of hydrogen energy | ISSN: | 0360-3199 | EISSN: | 1879-3487 | DOI: | 10.1016/j.ijhydene.2017.08.107 | Rights: | © 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved. © 2017. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/ The following publication He, W., Yuan, R. H., Dong, F. F., Wu, X. L., & Ni, M. (2017). High performance of protonic solid oxide fuel cell with BaCo0. 7Fe0. 22Sc0. 08O3− δ electrode. International Journal of Hydrogen Energy, 42(39), 25021-25025 is available at https://doi.org/10.1016/j.ijhydene.2017.08.107. |
Appears in Collections: | Journal/Magazine Article |
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