An innovative efficient oxygen electrode for SOFC: Pr6O11 infiltrated into Gd-doped ceria backbone
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | NICOLLET, Clément | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | FLURA, Aurélien | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | VIBHU, Vaibhav | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | ROUGIER, Aline | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | BASSAT, Jean-Marc. | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | GRENIER, Jean-Claude | |
| dc.date.issued | 2016 | |
| dc.identifier.issn | 0360-3199 | |
| dc.description.abstractEn | The praseodymium oxide, Pr6O11, is regarded as a potential electrocatalyst for the oxygen reduction reaction. Its mixed conductivity properties are characterized. At 600 °C the oxygen diffusion coefficient value is as high as 3.4 × 10−8 cm2 s−1, and that of the surface exchange coefficient is 5.4 × 10−7 cm s−1, which supposes excellent electrocatalytic properties. The measured electronic conductivity is high enough for using this material as a SOFC cathode. Herein, praseodymium nitrate is infiltrated into Gd doped ceria (GDC) backbone and fired at 600 °C to form a composite oxygen electrode Pr6O11/GDC. Electrochemical measurements show very low polarization resistance, Rp = 0.028 Ω cm2 at 600 °C. A single cell made of a commercial Ni-YSZ/YSZ half cell and of the infiltrated cathode is able to deliver a maximum power density of 825 mW cm−2 at 600 °C. Ageing of this cell for 840 h, at 600 °C and 0.5 A cm−2, shows a degradation rate lower than 1%. | |
| dc.language.iso | en | |
| dc.publisher | Elsevier | |
| dc.subject.en | Solid oxide fuel cells | |
| dc.subject.en | Composite cathodes | |
| dc.subject.en | Praseodymium oxide | |
| dc.subject.en | Infiltration process | |
| dc.subject.en | Ageing SOFC test | |
| dc.subject.en | Solid oxide fuel cells | |
| dc.title.en | An innovative efficient oxygen electrode for SOFC: Pr6O11 infiltrated into Gd-doped ceria backbone | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1016/j.ijhydene.2016.04.024 | |
| dc.subject.hal | Chimie/Matériaux | |
| bordeaux.journal | International Journal of Hydrogen Energy | |
| bordeaux.page | 15538-15544 | |
| bordeaux.volume | 41 | |
| bordeaux.issue | 34 | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-01360432 | |
| hal.version | 1 | |
| hal.popular | non | |
| hal.audience | Internationale | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-01360432v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=International%20Journal%20of%20Hydrogen%20Energy&rft.date=2016&rft.volume=41&rft.issue=34&rft.spage=15538-15544&rft.epage=15538-15544&rft.eissn=0360-3199&rft.issn=0360-3199&rft.au=NICOLLET,%20Cl%C3%A9ment&FLURA,%20Aur%C3%A9lien&VIBHU,%20Vaibhav&ROUGIER,%20Aline&BASSAT,%20Jean-Marc.&rft.genre=article |
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