Optimization of La0.6Sr0.4Co0.2Fe0.8O3-α - Ba(Ce0.6Zr0.4)0.9Y0.1O3-δ cathode composition for proton ceramic fuel cell application
Composite cathodes consisting of different compositional ratios of La0.6Sr0.4Co0.2Fe0.8O3-α (LSCF) and Ba(Ce0.6Zr0.4)0.9Y0.1O3-δ (BCZY64), namely 100LSCF:0BCZY64 (L10B0), 70LSCF:30BCZY64 (L7B3), 50LSCF:50BCZY64 (L5B5) and 30LSCF:70BCZY64 (L3B7) were prepared via wet chemistry method. The symmetrical...
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
University of Novi Sad
2022-12-01
|
| Series: | Processing and Application of Ceramics |
| Subjects: | |
| Online Access: | http://www.doiserbia.nb.rs/img/doi/1820-6131/2022/1820-61312204374I.pdf |
| _version_ | 1828086534039928832 |
|---|---|
| author | Ismail Ismariza Malek Nurul Izzati Abd Jani Abdul Mutalib Md Othman Mohd Hafiz Dzarfan Osman Nafisah |
| author_facet | Ismail Ismariza Malek Nurul Izzati Abd Jani Abdul Mutalib Md Othman Mohd Hafiz Dzarfan Osman Nafisah |
| author_sort | Ismail Ismariza |
| collection | DOAJ |
| description | Composite cathodes consisting of different compositional ratios of La0.6Sr0.4Co0.2Fe0.8O3-α (LSCF) and Ba(Ce0.6Zr0.4)0.9Y0.1O3-δ (BCZY64), namely 100LSCF:0BCZY64 (L10B0), 70LSCF:30BCZY64 (L7B3), 50LSCF:50BCZY64 (L5B5) and 30LSCF:70BCZY64 (L3B7) were prepared via wet chemistry method. The symmetrical cell with a configuration of electrode|BCZY64|electrodewas fabricated using dry-pressingmethod for the electrolyte substrate and spin-coating technique for the cathode layer. The proton conduction in the composite cathode increases as the amount of proton-conducting phase increases as verified by the water uptake measurement performed via thermogravimetric analysis. The thickness of the composite cathode layer is about 15 μm as observed by a scanning electron microscope and exhibits a well-connected particle network with sufficient porosity for oxidant diffusion (20-30%). The electrochemical performance of the symmetrical cell was investigated by electrochemical impedance spectroscopy in humidified air. The area-specific resistance (ASR) values of the tested cathodes follow the order of L7B3 < L10B0 < L5B5 < L3B7 and are 0.07 < 0.24 < 0.30 < 0.52W•cm2 at 700°C, respectively. The correlation between the cathode performance and cathode composition was investigated and the corresponding mechanism was systematically postulated. |
| first_indexed | 2024-04-11T04:56:41Z |
| format | Article |
| id | doaj.art-96ca72472685443aa3ef1f4d6ee4048b |
| institution | Directory Open Access Journal |
| issn | 1820-6131 2406-1034 |
| language | English |
| last_indexed | 2024-04-11T04:56:41Z |
| publishDate | 2022-12-01 |
| publisher | University of Novi Sad |
| record_format | Article |
| series | Processing and Application of Ceramics |
| spelling | doaj.art-96ca72472685443aa3ef1f4d6ee4048b2022-12-26T12:07:45ZengUniversity of Novi SadProcessing and Application of Ceramics1820-61312406-10342022-12-0116437438310.2298/PAC2204374IOptimization of La0.6Sr0.4Co0.2Fe0.8O3-α - Ba(Ce0.6Zr0.4)0.9Y0.1O3-δ cathode composition for proton ceramic fuel cell applicationIsmail Ismariza0Malek Nurul Izzati Abd1Jani Abdul Mutalib Md2Othman Mohd Hafiz Dzarfan3Osman Nafisah4Faculty of Chemical Engineering Technology, Universiti Malaysia Perlis, Padang Besar, Perlis, Malaysia + Center of Excellence Geopolymer and Green Technology, School of Materials Engineering, Universiti Malaysia Perlis, Kangar, Perlis, MalaysiaProton Conducting Fuel Cell Research Group, Faculty of Applied Sciences, Shah Alam, Selangor, MalaysiaProton Conducting Fuel Cell Research Group, Faculty of Applied Sciences, Shah Alam, Selangor, Malaysia + Faculty of Applied Sciences, Universiti Teknologi MARA, Tapah Road, Tapah Perak, MalaysıaAdvanced Membrane Technology Research Centre (AMTEC), School of Chemical & Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, UTM Skudai, Johor, MalaysiaProton Conducting Fuel Cell Research Group, Faculty of Applied Sciences, Shah Alam, Selangor, Malaysia + Faculty of Applied Sciences, Universiti Teknologi MARA, Arau, Perlis, MalaysiaComposite cathodes consisting of different compositional ratios of La0.6Sr0.4Co0.2Fe0.8O3-α (LSCF) and Ba(Ce0.6Zr0.4)0.9Y0.1O3-δ (BCZY64), namely 100LSCF:0BCZY64 (L10B0), 70LSCF:30BCZY64 (L7B3), 50LSCF:50BCZY64 (L5B5) and 30LSCF:70BCZY64 (L3B7) were prepared via wet chemistry method. The symmetrical cell with a configuration of electrode|BCZY64|electrodewas fabricated using dry-pressingmethod for the electrolyte substrate and spin-coating technique for the cathode layer. The proton conduction in the composite cathode increases as the amount of proton-conducting phase increases as verified by the water uptake measurement performed via thermogravimetric analysis. The thickness of the composite cathode layer is about 15 μm as observed by a scanning electron microscope and exhibits a well-connected particle network with sufficient porosity for oxidant diffusion (20-30%). The electrochemical performance of the symmetrical cell was investigated by electrochemical impedance spectroscopy in humidified air. The area-specific resistance (ASR) values of the tested cathodes follow the order of L7B3 < L10B0 < L5B5 < L3B7 and are 0.07 < 0.24 < 0.30 < 0.52W•cm2 at 700°C, respectively. The correlation between the cathode performance and cathode composition was investigated and the corresponding mechanism was systematically postulated.http://www.doiserbia.nb.rs/img/doi/1820-6131/2022/1820-61312204374I.pdfperovskitefuel cellelectrodescomposite cathodeimpedance spectroscopy |
| spellingShingle | Ismail Ismariza Malek Nurul Izzati Abd Jani Abdul Mutalib Md Othman Mohd Hafiz Dzarfan Osman Nafisah Optimization of La0.6Sr0.4Co0.2Fe0.8O3-α - Ba(Ce0.6Zr0.4)0.9Y0.1O3-δ cathode composition for proton ceramic fuel cell application Processing and Application of Ceramics perovskite fuel cell electrodes composite cathode impedance spectroscopy |
| title | Optimization of La0.6Sr0.4Co0.2Fe0.8O3-α - Ba(Ce0.6Zr0.4)0.9Y0.1O3-δ cathode composition for proton ceramic fuel cell application |
| title_full | Optimization of La0.6Sr0.4Co0.2Fe0.8O3-α - Ba(Ce0.6Zr0.4)0.9Y0.1O3-δ cathode composition for proton ceramic fuel cell application |
| title_fullStr | Optimization of La0.6Sr0.4Co0.2Fe0.8O3-α - Ba(Ce0.6Zr0.4)0.9Y0.1O3-δ cathode composition for proton ceramic fuel cell application |
| title_full_unstemmed | Optimization of La0.6Sr0.4Co0.2Fe0.8O3-α - Ba(Ce0.6Zr0.4)0.9Y0.1O3-δ cathode composition for proton ceramic fuel cell application |
| title_short | Optimization of La0.6Sr0.4Co0.2Fe0.8O3-α - Ba(Ce0.6Zr0.4)0.9Y0.1O3-δ cathode composition for proton ceramic fuel cell application |
| title_sort | optimization of la0 6sr0 4co0 2fe0 8o3 α ba ce0 6zr0 4 0 9y0 1o3 δ cathode composition for proton ceramic fuel cell application |
| topic | perovskite fuel cell electrodes composite cathode impedance spectroscopy |
| url | http://www.doiserbia.nb.rs/img/doi/1820-6131/2022/1820-61312204374I.pdf |
| work_keys_str_mv | AT ismailismariza optimizationofla06sr04co02fe08o3abace06zr0409y01o3dcathodecompositionforprotonceramicfuelcellapplication AT maleknurulizzatiabd optimizationofla06sr04co02fe08o3abace06zr0409y01o3dcathodecompositionforprotonceramicfuelcellapplication AT janiabdulmutalibmd optimizationofla06sr04co02fe08o3abace06zr0409y01o3dcathodecompositionforprotonceramicfuelcellapplication AT othmanmohdhafizdzarfan optimizationofla06sr04co02fe08o3abace06zr0409y01o3dcathodecompositionforprotonceramicfuelcellapplication AT osmannafisah optimizationofla06sr04co02fe08o3abace06zr0409y01o3dcathodecompositionforprotonceramicfuelcellapplication |