| Téléchargement | - Voir le manuscrit accepté : Performance and stability of proton conducting solid oxide fuel cells based on yttrium-doped barium cerate-zirconate thin-film electrolyte (PDF, 1.5 Mio)
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| DOI | Trouver le DOI : https://doi.org/10.1016/j.jpowsour.2012.11.094 |
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| Auteur | Rechercher : Yoo, Yeong1; Rechercher : Lim, Nguon1 |
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| Affiliation | - Conseil national de recherches du Canada. Énergie, les mines et l'environnement
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| Format | Texte, Article |
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| Sujet | Yttrium-doped barium cerate-zirconate; Proton conducting SOFCs; Stability; Thin-film electrolyte; Reversible SOFCs |
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| Résumé | The high performance anode supported single cells, comprising of BSCF (Ba0.5Sr0.5Co0.8Fe0.2O3−δ)-BCZY (Ba0.98Ce0.6Zr0.2Y0.2O3−δ)//BCZY//NiO–BCZY have been fabricated by wet powder spraying and co-firing for depositing 10–15 μm thin film electrolytes on pre-sintered NiO–BCZY anode discs. The open circuit voltages of single cells were around 1.12–1.13 V at 600 °C indicating negligible gas leakage or mixed conduction through the electrolyte. The maximum power density of 493 mW cm−2 was obtained at 600 °C and 0.7 V under humid air as the oxidant gas and humid 75% H2 in N2 (2.76% H2O) as the fuel gas at a gas flow rate of 100 ml min−1. The area specific resistance of an anode supported button cell of BSCF–BCZY//BCZY//NiO–BCZY in fuel cell mode was about 0.46 Ω cm2 and in the electrolysis mode was 0.26 Ω cm2 at 600 °C, indicating high efficiency, reversible SOFCs. The single cell performance was stable for over 600 h at 600 °C. The stability of BCZY electrolyte in water-containing atmospheres was investigated by exposing sintered BCZY pellets to humid air (2.76% H2O) at 200 °C for 24 h or soaking them in boiling water for 3 h. |
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| Date de publication | 2012-11-30 |
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| Dans | |
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| Langue | anglais |
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| Publications évaluées par des pairs | Oui |
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| Identificateur | S0378775312017697 |
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| Numéro du CNRC | NRCC 53111 |
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| Numéro NPARC | 21268498 |
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| Exporter la notice | Exporter en format RIS |
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| Signaler une correction | Signaler une correction (s'ouvre dans un nouvel onglet) |
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| Identificateur de l’enregistrement | 6d3fd6e1-4614-47a5-ae8e-84dbda810335 |
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| Enregistrement créé | 2013-08-16 |
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| Enregistrement modifié | 2020-06-04 |
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