Comparative investigation on the functional properties of alkaline earth metal (Ca, Ba, Sr) doped Nd2NiO4+δ oxygen electrode material for SOFC applications

•Phase pure Nd2NiO4+δ and Nd1.7A0.3NiO4+δ (A=Ca, Sr and Ba) were synthesized by solid state route.•Good chemical compatibility is observed between doped and undoped Nd2NiO4+δ oxygen electrode with GDC electrolyte material.•Electrical and electrochemical properties of Nd2NiO4+δ based oxygen electrode...

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Veröffentlicht in:	Journal of alloys and compounds 2021-04, Vol.860, p.158490, Article 158490
Hauptverfasser:	Lenka, R.K., Patro, P.K., Patel, Vivek, Muhmood, L., Mahata, T.
Format:	Artikel
Sprache:	eng
Schlagworte:	Activation energy Air electrode Alkaline earth metals Area specific resistance Barium Calcium Carbonates Cathodes Cathodic polarization Doping Earth Electrical resistivity Electrode materials Electrode polarization Electrolytes Electrolytic cells Fuel cells Heat treatment I-V characteristics Ions Metal ions Nd2NiO4 Operating temperature Oxygen reduction reactions SOFC Strontium Temperature
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