Study of oxygen reduction mechanism on Ag modified Sm1.8Ce0.2CuO4 cathode for solid oxide fuel cell

Different amount of metal silver particles are infiltrated into porous Sm_1.8Ce_0.2CuO₄ (SCC) scaffold to form SCC-Ag composite cathodes. The chemical stability, microstructure evolution and electrochemical performance of the composite cathode are investigated using X-ray diffraction (XRD), scanning electron microscopy (SEM), and AC impedance spectroscopy respectively. The composite cathode exhibits enhanced chemical stability. The metal Ag remains un-reacted with SCC and Ce_0.9Gd_0.1O_1.95 (CGO) at 800 °C for 72 h. The polarization resistance of the composite cathode decreases with the addition of metal Ag. The optimum cathode SCC-Ag05 exhibits the lowest area specific resistance (ASR, 0.43 Ω cm

Mots clés

Solid oxide fuel cell Silver infiltration Composite cathode Electrode reaction

Domaines

Génie des procédés

Fichier principal

JPV-IJHE-38-Orig.pdf (275.62 Ko)

Origine	Fichiers produits par l'(les) auteur(s)

Andrée-Aimée Toucas : Connectez-vous pour contacter le contributeur

https://hal.science/hal-00957382

Soumis le : jeudi 20 mars 2014-17:12:49

Dernière modification le : mardi 27 août 2024-12:44:54

Archivage à long terme le : vendredi 20 juin 2014-10:40:32

Dates et versions

hal-00957382 , version 1 (20-03-2014)

Identifiants

HAL Id : hal-00957382 , version 1
DOI : 10.1016/j.ijhydene.2013.08.069

Citer

Li-Ping Sun, Qiang Li, Hui Zhao, Li-Hua Huo, Jean-Paul Viricelle, et al.. Study of oxygen reduction mechanism on Ag modified Sm_1.8Ce_0.2CuO₄ cathode for solid oxide fuel cell. International Journal of Hydrogen Energy, 2013, 38 (32), pp.14060-14066. ⟨10.1016/j.ijhydene.2013.08.069⟩. ⟨hal-00957382⟩

Exporter

BibTeX XML-TEI Dublin Core DC Terms EndNote DataCite

Collections

EMSE CNRS SPIN-ENSMSE PRESSIC-ENSMSE LGF-ENSMSE

224 Consultations

568 Téléchargements

Study of oxygen reduction mechanism on Ag modified Sm_1.8Ce_0.2CuO₄ cathode for solid oxide fuel cell

Résumé