A high performance composite cathode with enhanced CO2 resistance for low and intermediate-temperature solid oxide fuel cells
© 2018 Elsevier B.V. CO2-resistant perovskite cathode has a significant role in solid oxide fuel cell (SOFC) application particularly for operation in an air atmosphere contains higher than normal amount of CO2such as in single-chamber SOFC (SC-SOFC). This work features a systematic study of the ele...
| Main Authors: | , , , , , , |
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| Format: | Journal Article |
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Elsevier SA
2018
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| Online Access: | http://hdl.handle.net/20.500.11937/70831 |
| _version_ | 1848762314155622400 |
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| author | Gu, B. Sunarso, J. Zhang, Y. Song, Y. Yang, G. Zhou, W. Shao, Zongping |
| author_facet | Gu, B. Sunarso, J. Zhang, Y. Song, Y. Yang, G. Zhou, W. Shao, Zongping |
| author_sort | Gu, B. |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | © 2018 Elsevier B.V. CO2-resistant perovskite cathode has a significant role in solid oxide fuel cell (SOFC) application particularly for operation in an air atmosphere contains higher than normal amount of CO2such as in single-chamber SOFC (SC-SOFC). This work features a systematic study of the electrochemical performance of SrCo0.8Nb0.1Ta0.1O3-d(SCNT)-Ce0.9Gd0.1O2-d(GDC) composite cathode under CO2exposure for SOFC operation in low-temperature (LT, 500 °C and below) and intermediate-temperature (IT, 500–700 °C) ranges. The complementary results from powder X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, in situ high temperature XRD, electrochemical impedance spectroscopy, and the single cell test show that SCNT-GDC cathode exhibit slightly lower electrochemical performance but higher CO2resistance than SCNT, which enables practical SOFC application. At 550 °C, SCNT-GDC-based single cell has a peak power density of 630 mW cm-2and reduces to a stable power density of 525 mW cm-2after exposure to air containing 1 vol% CO2for 2 h. The collective characterization and electrochemical data presented here highlight the potential of SCNT-GDC composite cathode for use in SC-SOFC and to enhance the performance stability in LT and IT-SOFCs. |
| first_indexed | 2025-11-14T10:45:36Z |
| format | Journal Article |
| id | curtin-20.500.11937-70831 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T10:45:36Z |
| publishDate | 2018 |
| publisher | Elsevier SA |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-708312020-06-15T03:11:31Z A high performance composite cathode with enhanced CO2 resistance for low and intermediate-temperature solid oxide fuel cells Gu, B. Sunarso, J. Zhang, Y. Song, Y. Yang, G. Zhou, W. Shao, Zongping © 2018 Elsevier B.V. CO2-resistant perovskite cathode has a significant role in solid oxide fuel cell (SOFC) application particularly for operation in an air atmosphere contains higher than normal amount of CO2such as in single-chamber SOFC (SC-SOFC). This work features a systematic study of the electrochemical performance of SrCo0.8Nb0.1Ta0.1O3-d(SCNT)-Ce0.9Gd0.1O2-d(GDC) composite cathode under CO2exposure for SOFC operation in low-temperature (LT, 500 °C and below) and intermediate-temperature (IT, 500–700 °C) ranges. The complementary results from powder X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, in situ high temperature XRD, electrochemical impedance spectroscopy, and the single cell test show that SCNT-GDC cathode exhibit slightly lower electrochemical performance but higher CO2resistance than SCNT, which enables practical SOFC application. At 550 °C, SCNT-GDC-based single cell has a peak power density of 630 mW cm-2and reduces to a stable power density of 525 mW cm-2after exposure to air containing 1 vol% CO2for 2 h. The collective characterization and electrochemical data presented here highlight the potential of SCNT-GDC composite cathode for use in SC-SOFC and to enhance the performance stability in LT and IT-SOFCs. 2018 Journal Article http://hdl.handle.net/20.500.11937/70831 10.1016/j.jpowsour.2018.10.025 Elsevier SA restricted |
| spellingShingle | Gu, B. Sunarso, J. Zhang, Y. Song, Y. Yang, G. Zhou, W. Shao, Zongping A high performance composite cathode with enhanced CO2 resistance for low and intermediate-temperature solid oxide fuel cells |
| title | A high performance composite cathode with enhanced CO2 resistance for low and intermediate-temperature solid oxide fuel cells |
| title_full | A high performance composite cathode with enhanced CO2 resistance for low and intermediate-temperature solid oxide fuel cells |
| title_fullStr | A high performance composite cathode with enhanced CO2 resistance for low and intermediate-temperature solid oxide fuel cells |
| title_full_unstemmed | A high performance composite cathode with enhanced CO2 resistance for low and intermediate-temperature solid oxide fuel cells |
| title_short | A high performance composite cathode with enhanced CO2 resistance for low and intermediate-temperature solid oxide fuel cells |
| title_sort | high performance composite cathode with enhanced co2 resistance for low and intermediate-temperature solid oxide fuel cells |
| url | http://hdl.handle.net/20.500.11937/70831 |