Enhancing oxygen reduction reaction activity of perovskite oxides cathode for solid oxide fuel cells using a novel anion doping strategy
Possessing a high oxygen reduction reaction (ORR) activity is one of the most important prerequisites for the cathode to ensure an efficient solid oxide fuel cell. Herein, a highly active cathode is developed by doping the fluorine anion in anion sites of perovskite oxides (ABO3). The electrocatalyt...
| Main Authors: | , , , , , , , |
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| Format: | Journal Article |
| Published: |
Elsevier Ltd
2018
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| Online Access: | http://hdl.handle.net/20.500.11937/68497 |
| _version_ | 1848761816982749184 |
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| author | Liu, Y. Meng, X. Yu, F. Yin, M. Yang, N. Meng, B. Sofianos, Veronica Liu, Shaomin |
| author_facet | Liu, Y. Meng, X. Yu, F. Yin, M. Yang, N. Meng, B. Sofianos, Veronica Liu, Shaomin |
| author_sort | Liu, Y. |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | Possessing a high oxygen reduction reaction (ORR) activity is one of the most important prerequisites for the cathode to ensure an efficient solid oxide fuel cell. Herein, a highly active cathode is developed by doping the fluorine anion in anion sites of perovskite oxides (ABO3). The electrocatalytic activities of three different cathode samples including the original perovskite La0.6Sr0.4Co0.2Fe0.8O3-d(LSCF), the doped La0.6Sr0.4Co0.2Fe0.8O2.95-dF0.05(LSCFF0.05) and La0.6Sr0.4Co0.2Fe0.8O2.9-dF0.1(LSCFF0.1) are comparatively investigated. The fluorine doped perovskites reveal higher electrochemical performance than the original perovskite. Based on three cathodes of LSCF, LSCFF0.05 and LSCFF0.1 operated at 850 °C, the measured area specific resistance was 0.018, 0.017 and 0.91 O cm2, respectively; and the respective maximum power density of the single fuel cell using the 9-µm-thick YSZ electrolyte was 754, 1005, and 737 mW cm-2. Such performance results vividly indicate that, the obtained perovskite oxyfluoride by doping an optimum amount of F ions can efficiently improve ORR activity and thus is a feasible strategy to develop cathode for high-performance solid oxide fuel cells. |
| first_indexed | 2025-11-14T10:37:41Z |
| format | Journal Article |
| id | curtin-20.500.11937-68497 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T10:37:41Z |
| publishDate | 2018 |
| publisher | Elsevier Ltd |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-684972018-06-29T12:34:52Z Enhancing oxygen reduction reaction activity of perovskite oxides cathode for solid oxide fuel cells using a novel anion doping strategy Liu, Y. Meng, X. Yu, F. Yin, M. Yang, N. Meng, B. Sofianos, Veronica Liu, Shaomin Possessing a high oxygen reduction reaction (ORR) activity is one of the most important prerequisites for the cathode to ensure an efficient solid oxide fuel cell. Herein, a highly active cathode is developed by doping the fluorine anion in anion sites of perovskite oxides (ABO3). The electrocatalytic activities of three different cathode samples including the original perovskite La0.6Sr0.4Co0.2Fe0.8O3-d(LSCF), the doped La0.6Sr0.4Co0.2Fe0.8O2.95-dF0.05(LSCFF0.05) and La0.6Sr0.4Co0.2Fe0.8O2.9-dF0.1(LSCFF0.1) are comparatively investigated. The fluorine doped perovskites reveal higher electrochemical performance than the original perovskite. Based on three cathodes of LSCF, LSCFF0.05 and LSCFF0.1 operated at 850 °C, the measured area specific resistance was 0.018, 0.017 and 0.91 O cm2, respectively; and the respective maximum power density of the single fuel cell using the 9-µm-thick YSZ electrolyte was 754, 1005, and 737 mW cm-2. Such performance results vividly indicate that, the obtained perovskite oxyfluoride by doping an optimum amount of F ions can efficiently improve ORR activity and thus is a feasible strategy to develop cathode for high-performance solid oxide fuel cells. 2018 Journal Article http://hdl.handle.net/20.500.11937/68497 10.1016/j.ijhydene.2018.04.167 Elsevier Ltd restricted |
| spellingShingle | Liu, Y. Meng, X. Yu, F. Yin, M. Yang, N. Meng, B. Sofianos, Veronica Liu, Shaomin Enhancing oxygen reduction reaction activity of perovskite oxides cathode for solid oxide fuel cells using a novel anion doping strategy |
| title | Enhancing oxygen reduction reaction activity of perovskite oxides cathode for solid oxide fuel cells using a novel anion doping strategy |
| title_full | Enhancing oxygen reduction reaction activity of perovskite oxides cathode for solid oxide fuel cells using a novel anion doping strategy |
| title_fullStr | Enhancing oxygen reduction reaction activity of perovskite oxides cathode for solid oxide fuel cells using a novel anion doping strategy |
| title_full_unstemmed | Enhancing oxygen reduction reaction activity of perovskite oxides cathode for solid oxide fuel cells using a novel anion doping strategy |
| title_short | Enhancing oxygen reduction reaction activity of perovskite oxides cathode for solid oxide fuel cells using a novel anion doping strategy |
| title_sort | enhancing oxygen reduction reaction activity of perovskite oxides cathode for solid oxide fuel cells using a novel anion doping strategy |
| url | http://hdl.handle.net/20.500.11937/68497 |