Abstract
Fabrication by co-sintering method of a multilayer pore-free electrode–electrolyte structure promising for use in solid-oxide fuel cell and its characteristics have been studied. A material with high ionic conductivity of La0.88Sr0.12Ga0.82Mg0.18O3–δ (LSGM) served as electrolyte. The composite electrode was formed from a 1: 2 mixture of LSGM and LSFG (La0.7Sr0.3Fe0.95Ga0.05O3–δ). The maximum temperature of the materials co-sintering ability is 1250°C. It was shown by the impedance spectroscopy that the polarization resistance of the LSGM–LSFG electrode is 0.14 Ω cm2 at 800°C.
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Original Russian Text © A.V. Nikonov, N.B. Pavzderin, S.N. Shkerin, O.I. Gyrdasova, A.S. Lipilin, 2017, published in Zhurnal Prikladnoi Khimii, 2017, Vol. 90, No. 3, pp. 307−311.
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Nikonov, A.V., Pavzderin, N.B., Shkerin, S.N. et al. Fabrication of multilayer ceramic structure for fuel cell based on La(Sr)Ga(Mg)O3–La(Sr)Fe(Ga)O3 cathode. Russ J Appl Chem 90, 369–373 (2017). https://doi.org/10.1134/S1070427217030077
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DOI: https://doi.org/10.1134/S1070427217030077