Impregnation of microporous SDC scaffold as stable solid oxide cell BSCF-based air electrode

Antonio Maria Asensio, Davide Clematis, Massimo Viviani, M. Paola Carpanese, Sabrina Presto, Davide Cademartori, Pere L. Cabot and Antonio Barbucci

Energy, 2021, vol. 237, issue C

Abstract: Barium strontium cobaltite-ferrite (Ba1-xSrxCoyFe1-yO3-δ, BSCF) is a widely studied mixed ionic-electronic conductor material for air electrode in solid oxide cells (SOC). Despite having excellent features, due to fast oxygen surface exchange and oxygen bulk diffusion, it lacks long-term stability. Electrode/electrolyte thermal expansion coefficient (TEC) mismatch and structural instability at temperature lower than 900 °C are responsible for the increase of electrode polarization which becomes a crucial issue for the long-term stability.

Keywords: Solid oxide cells; Oxygen electrode; BSCF; SDC porous Backbone; Infiltration (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:237:y:2021:i:c:s036054422101762x

DOI: 10.1016/j.energy.2021.121514

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