Investigation of a new cathode for proton conducting electrolyte SOFC

Y. L. Dai, Z. H. Wang, Z. L. Lou, K. N. Sun

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Herein a new cathode material Ba0.5Sr0.5 Al0.09Fe0.91O3-δ (BSFA) is developed for application in Intermediate Temperature Solid Oxide Fuel Cells (IT-SOFC) based on proton conducting electrolyte BaZr0.1Ce0.7Y0.2O3 (BZCY). X-Ray Diffraction (XRD) has shown BSFA and BZCY are chemically stable at a high temperature. The electrochemical performance was tested by electrochemical impedance spectroscopy. The polarization resistance of BSFA cathode with BZCY electrolyte was 0.175 Ω cm2 and the maximum power density (Pmax) of an anode supported single cell reached 287 mW cm-2 at 750 °C. All the tests confirm the good performance of the BSFA cathode for proton conducting oxide electrolyte.

Original languageEnglish
Title of host publicationAdvances in Energy Science and Equipment Engineering - Proceedings of International Conference on Energy Equipment Science and Engineering, ICEESE 2015
EditorsShiming Chen, Shiquan Zhou, Aragona Patty
PublisherCRC Press/Balkema
Pages361-365
Number of pages5
ISBN (Print)9781138029330
Publication statusPublished - 2015

Publication series

NameAdvances in Energy Science and Equipment Engineering - Proceedings of International Conference on Energy Equipment Science and Engineering, ICEESE 2015
Volume1

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Dai, Y. L., Wang, Z. H., Lou, Z. L., & Sun, K. N. (2015). Investigation of a new cathode for proton conducting electrolyte SOFC. In S. Chen, S. Zhou, & A. Patty (Eds.), Advances in Energy Science and Equipment Engineering - Proceedings of International Conference on Energy Equipment Science and Engineering, ICEESE 2015 (pp. 361-365). (Advances in Energy Science and Equipment Engineering - Proceedings of International Conference on Energy Equipment Science and Engineering, ICEESE 2015; Vol. 1). CRC Press/Balkema.