Electrode reaction and cell performances of IT-SOFC using BaZrO3 proton conductors

Fumitada Iguchi; Noriko Sata; Yugami Hiroo

doi:10.1115/FuelCell2008-65205

Electrode reaction and cell performances of IT-SOFC using BaZrO₃ proton conductors

Fumitada Iguchi, Noriko Sata, Yugami Hiroo

ENG - Mechanical Systems Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

This paper evaluates cell performances and electrode reaction of an electrolyte supported type cell using 15mol% Y-doped BaZrO₃ perovskite type proton conductors. BaZrO₃ based proton conductors show high proton conductivity and chemical stability in IT-SOFC operating atmospheres. But, because of low sintering properties, there is little knowledge about electrolyte performance, e.g., open circuit voltage, electrode over potential. Through SOFC generation test, it is confirmed that cell performance of the cell is determined by electrode over potential. Electrode over potential is significantly higher than similar configuration cell using BaCeO₃ based proton conductors. Those results suggests that study of differences in electrode reaction between BaCeO₃ based proton conductors and BaZrO₃ based proton conductors will be necessary.

Original language	English
Title of host publication	Proceedings of the 6th International Conference on Fuel Cell Science, Engineering, and Technology
Pages	79-84
Number of pages	6
DOIs	https://doi.org/10.1115/FuelCell2008-65205
Publication status	Published - 2008 Dec 1
Event	6th International Conference on Fuel Cell Science, Engineering, and Technology - Denver, CO, United States Duration: 2008 Jun 16 → 2008 Jun 18

Publication series

Name	Proceedings of the 6th International Conference on Fuel Cell Science, Engineering, and Technology

Other

Other	6th International Conference on Fuel Cell Science, Engineering, and Technology
Country	United States
City	Denver, CO
Period	08/6/16 → 08/6/18

ASJC Scopus subject areas

Energy Engineering and Power Technology
Fuel Technology

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10.1115/FuelCell2008-65205

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Iguchi, F., Sata, N., & Hiroo, Y. (2008). Electrode reaction and cell performances of IT-SOFC using BaZrO₃ proton conductors. In Proceedings of the 6th International Conference on Fuel Cell Science, Engineering, and Technology (pp. 79-84). (Proceedings of the 6th International Conference on Fuel Cell Science, Engineering, and Technology). https://doi.org/10.1115/FuelCell2008-65205

Electrode reaction and cell performances of IT-SOFC using BaZrO₃ proton conductors. / Iguchi, Fumitada; Sata, Noriko; Hiroo, Yugami.

Proceedings of the 6th International Conference on Fuel Cell Science, Engineering, and Technology. 2008. p. 79-84 (Proceedings of the 6th International Conference on Fuel Cell Science, Engineering, and Technology).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Iguchi, F, Sata, N & Hiroo, Y 2008, Electrode reaction and cell performances of IT-SOFC using BaZrO₃ proton conductors. in Proceedings of the 6th International Conference on Fuel Cell Science, Engineering, and Technology. Proceedings of the 6th International Conference on Fuel Cell Science, Engineering, and Technology, pp. 79-84, 6th International Conference on Fuel Cell Science, Engineering, and Technology, Denver, CO, United States, 08/6/16. https://doi.org/10.1115/FuelCell2008-65205

Iguchi F, Sata N, Hiroo Y. Electrode reaction and cell performances of IT-SOFC using BaZrO₃ proton conductors. In Proceedings of the 6th International Conference on Fuel Cell Science, Engineering, and Technology. 2008. p. 79-84. (Proceedings of the 6th International Conference on Fuel Cell Science, Engineering, and Technology). https://doi.org/10.1115/FuelCell2008-65205

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abstract = "This paper evaluates cell performances and electrode reaction of an electrolyte supported type cell using 15mol% Y-doped BaZrO3 perovskite type proton conductors. BaZrO3 based proton conductors show high proton conductivity and chemical stability in IT-SOFC operating atmospheres. But, because of low sintering properties, there is little knowledge about electrolyte performance, e.g., open circuit voltage, electrode over potential. Through SOFC generation test, it is confirmed that cell performance of the cell is determined by electrode over potential. Electrode over potential is significantly higher than similar configuration cell using BaCeO3 based proton conductors. Those results suggests that study of differences in electrode reaction between BaCeO3 based proton conductors and BaZrO3 based proton conductors will be necessary.",

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N2 - This paper evaluates cell performances and electrode reaction of an electrolyte supported type cell using 15mol% Y-doped BaZrO3 perovskite type proton conductors. BaZrO3 based proton conductors show high proton conductivity and chemical stability in IT-SOFC operating atmospheres. But, because of low sintering properties, there is little knowledge about electrolyte performance, e.g., open circuit voltage, electrode over potential. Through SOFC generation test, it is confirmed that cell performance of the cell is determined by electrode over potential. Electrode over potential is significantly higher than similar configuration cell using BaCeO3 based proton conductors. Those results suggests that study of differences in electrode reaction between BaCeO3 based proton conductors and BaZrO3 based proton conductors will be necessary.

AB - This paper evaluates cell performances and electrode reaction of an electrolyte supported type cell using 15mol% Y-doped BaZrO3 perovskite type proton conductors. BaZrO3 based proton conductors show high proton conductivity and chemical stability in IT-SOFC operating atmospheres. But, because of low sintering properties, there is little knowledge about electrolyte performance, e.g., open circuit voltage, electrode over potential. Through SOFC generation test, it is confirmed that cell performance of the cell is determined by electrode over potential. Electrode over potential is significantly higher than similar configuration cell using BaCeO3 based proton conductors. Those results suggests that study of differences in electrode reaction between BaCeO3 based proton conductors and BaZrO3 based proton conductors will be necessary.

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