FAN, Yu-Hang; SUN, Li-Ping; ZHAO, Hui; HUO, Li-Hua; BASSAT, Jean-Marc.; ROUGIER, Aline; FOURCADE, Sebastien; GRENIER, Jean-Claude

doi:10.11862/CJIC.2016.207

Métadonnées

Afficher la notice complète

Licence d’utilisation du document

FAN, Yu-Hang
Key Laboratory of Functional Inorganic Material Chemistry [KLFIMC]

SUN, Li-Ping
Key Laboratory of Functional Inorganic Material Chemistry [KLFIMC]

ZHAO, Hui
Key Laboratory of Functional Inorganic Material Chemistry [KLFIMC]

Langue

Article de revue

Ce document a été publié dans

Chinese Journal of Inorganic Chemistry. 2016, vol. 32, n° 10, p. 1730-1738

Résumé en anglais

Sr1.5La0.5Mn1-xCoxO4 (SLMCOx) cathode materials for IT-SOFCs (intermediate temperature solid oxide fuel cells) were synthesized by EDTA-citric acid method and characterized by XRD, XPS and EIS, respectively. The results show that SLMCOx has no reaction with Ce0.9Gd0.1O1.95 at 1 200℃ for 12 h. Both the amount of Mn3+ and Co2+ in the oxide increase with the Co doping concentration; at the same time the content of lattice oxygen reduces, and the distortion ratio (c/a) of the lattice increases. The EIS results show that Co-doping dramatically reduces the polarization resistance (Rp) of SLMCOx cathode. The Sr1.5La0.5Mn0.7Co0.3O4 has the lowest Rp of 0.62 Ω·cm2 at 700℃ in air, which is clearly smaller than the Rp value of Sr1.5La0.5Mn0.7O4 that measured at 750℃ (1.5 Ω·cm2). Our results indicate that the Co doped Sr1.5La0.5Mn1-xCoxO4 is potential cathode material for IT-SOFC.< Réduire

Mots clés en anglais

Intermediate temperature solid oxide

Fuel cells

IT-SOFCs

Cathode materials

Métadonnées

Licence d’utilisation du document

Synthesis and high temperature electrochemical properties of Co-doped Sr1.5La0.5MnO4

Langue

Ce document a été publié dans

Résumé en anglais

Mots clés en anglais

DOI

Origine

Unités de recherche