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Enhancing oxygen reduction reaction of YSZ/La2NiO4+δ using an ultrathin La2NiO4+δ interfacial layer

Benamira, Messaoud and Ringuede, Armelle and Cassir, Michel and Horwat, David and Lenormand, Pascal and Ansart, Florence and Bassat, Jean-Marc and Viricelle, Jean-Paul Enhancing oxygen reduction reaction of YSZ/La2NiO4+δ using an ultrathin La2NiO4+δ interfacial layer. (2018) Journal of Alloys and Compounds, 746. 413-420. ISSN 0925-8388

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Official URL: https://doi.org/10.1016/j.jallcom.2018.02.339

Abstract

In this work, La2NiO4+δ is used as cathode material for Intermediate temperature solid oxide fuel cells (IT-SOFC). Scanning electron microscopy, X-ray diffraction, and electrochemical impedance spectroscopy are used to investigate the effect of the presence of an ultrathin La2NiO4+δ layer (80 nm) deposited by dip-coating or sputtering at the interface YSZ/La2NiO4+δ. The thick porous cathode layer of La2NiO4+δ is deposited by screen-printing, and sintered at 1000 °C for 2 h or 1200 °C for 20 min in order to study the effect of sintering temperature on the electrochemical properties. The results show that the electrochemical performances of the cathode are influenced by the deposition technique. The best electrochemical properties are obtained with the use of the nano film interface layer deposited by sputtering. The introduction of ultrathin interface with nano grained between the cathode and electrolyte is a promising technique to reduce polarization resistance associated with oxygen reduction reaction (ORR) on the cathode.

Item Type:Article
HAL Id:hal-01744173
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Other partners > Ecole Nationale Supérieure des Mines de Saint-Etienne - ENSMSE (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Other partners > Institut Mines-Télécom (FRANCE)
Other partners > Institut Polytechnique de Bordeaux - IPB (FRANCE)
Other partners > Université Mohamed Seddik Ben Yahia (ALGERIA)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Other partners > Ecole supérieure de physique et de chimie industrielles ParisTech - ESPCI (FRANCE)
Other partners > PSL Research University (FRANCE)
Other partners > Université de Bordeaux (FRANCE)
Other partners > Université de Lorraine (FRANCE)
Laboratory name:
Funders:
National Research Center for Scientific Research)
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Deposited On:21 Oct 2019 09:18

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