La1 .7Ca0.3Ni0.75Cu0.25O4-δ-layered perovskite as cathode on La0.9Sr0.1Ga0.8Mg0.2O3 or Ce0.8Gd0.2O2 electrolyte for intermediate temperature solid oxide fuel cells

Jaeha Myung, Tae Ho Shin, Xiubing Huang, Cristian Savaniu, John Irvine

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

La2NiO4+δ-based oxides, mixed ionic-electronic conductors with K2NiF4-type structure, have been considerably investigated in recent decades as electrode materials for advanced solid oxide fuel cells (SOFCs) due to their high electrical conductivity and oxidation reduction reaction (ORR) activity. In this study, La1.7Ca0.3Ni0.75Cu0.25O4+δ was investigated as a potential cathode on La0.9Sr0.1Ga0.8Mg0.2O3 electrolyte support. Furthermore, La1.7Ca0.3Ni0.75Cu0.25O4+δ was examined on thin Ce0.8Gd0.2O2 (GDC) electrolyte with Ni-GDC anode support for intermediate temperature SOFCs (IT-SOFCs). La1.7Ca0.3Ni0.75Cu0.25O4-δ cathode with gadolinium doped ceria (GDC) electrolyte and NiO-GDC anode support showed a maximum power density of 0.75 W/cm2 in H2 and lower polarization resistance, Rp (2), in impedance spectroscopy at 700°C.

Original languageEnglish
Pages (from-to)269-273
Number of pages5
JournalInternational Journal of Applied Ceramic Technology
Volume13
Issue number2
Early online date18 Jan 2016
DOIs
Publication statusPublished - 2 Mar 2016

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