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Electrode materials based on lanthanum ferrite cobaltite for molten carbonate fuel cells

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Abstract

New cathode and anode materials for fuel cells with an electrolyte based on alkali carbonate melts have been studied. The regions of the orthorhombic and rhombohedral phases in the LaFe1–y Co y O3 + x/2Li2O system in air and in contact with molten (Li0.68K0.32)2CO3 electrolyte were investigated. The electric conductivity was analyzed in the range 300–1020 K. The electrocatalytic activity in oxygen reduction was analyzed for the new cathode materials. A method for introducing the Al2O3 additive in the anode material was suggested. The polarization characteristics of the porous gas-diffusion electrodes were determined.

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Authors and Affiliations

  1. Institute of High-Temperature Electrochemistry, Ural Branch, Russian Academy of Sciences, ul. Akademicheskaya 20, Yekaterinburg, 620137, Russia

    M. A. Konopel’ko, S. I. Vecherskii, M. A. Zvezdkin, I. V. Zvezdkina & N. N. Batalov

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  1. M. A. Konopel’ko
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  2. S. I. Vecherskii
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  3. M. A. Zvezdkin
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  4. I. V. Zvezdkina
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  5. N. N. Batalov
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Correspondence to M. A. Konopel’ko.

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Original Russian Text © M.A. Konopel’ko, S.I. Vecherskii, M.A. Zvezdkin, I.V. Zvezdkina, N.N. Batalov, 2016, published in Elektrokhimiya, 2016, Vol. 52, No. 7, pp. 783–789.

Published on the basis of the materials of III All-Russia Conference “Fuel Cells and Power Plants on Their Basis,” Chernogolovka, 2015.

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Konopel’ko, M.A., Vecherskii, S.I., Zvezdkin, M.A. et al. Electrode materials based on lanthanum ferrite cobaltite for molten carbonate fuel cells. Russ J Electrochem 52, 699–704 (2016). https://doi.org/10.1134/S1023193516070090

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  • DOI: https://doi.org/10.1134/S1023193516070090

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