Optimizing thermal expansion and polarization resistance of Ce1−xPrxO2−δ (x = 0.1 and 0.2)/La0.4Pr0.1Ba0.5Co0.975O3−δ composite cathode for IT-SOFC

Aristizabal, M.E.; Vega-Castillo, J.; Zimicz, G.; Prado, F.

doi:10.1016/j.matlet.2023.134966

Materials Letters

2023

DOI: 10.1016/j.matlet.2023.134966

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Optimizing thermal expansion and polarization resistance of Ce1−xPrxO2−δ (x = 0.1 and 0.2)/La0.4Pr0.1Ba0.5Co0.975O3−δ composite cathode for IT-SOFC

M.E. Aristizabal,

J. Vega-Castillo,

G. Zimicz

et al.

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2024

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Cited by 2 publications

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Advancements in composite cathodes for intermediate-temperature solid oxide fuel cells: A comprehensive review

Yadav,

Sinha,

Kumar

2024

International Journal of Hydrogen Energy

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Advancements in composite cathodes for intermediate-temperature solid oxide fuel cells: A comprehensive review

Yadav,

Sinha,

Kumar

2024

International Journal of Hydrogen Energy

View full text Add to dashboard Cite

Synergistic dual-phase air electrode enables high and durable performance of reversible proton ceramic electrochemical cells

Liu,

Bai,

Sun

et al. 2024

Nat Commun

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Reversible proton ceramic electrochemical cells are promising solid-state ion devices for efficient power generation and energy storage, but necessitate effective air electrodes to accelerate the commercial application. Here, we construct a triple-conducting hybrid electrode through a stoichiometry tuning strategy, composed of a cubic phase Ba0.5Sr0.5Co0.8Fe0.2O3−δ and a hexagonal phase Ba4Sr4(Co0.8Fe0.2)4O16−δ. Unlike the common method of creating self-assembled hybrids by breaking through material tolerance limits, the strategy of adjusting the stoichiometric ratio of the A-site/B-site not only achieves strong interactions between hybrid phases, but also can efficiently modifies the phase contents. When operate as an air electrode for reversible proton ceramic electrochemical cell, the hybrid electrode with unique dual-phase synergy shows excellent electrochemical performance with a current density of 3.73 A cm−2 @ 1.3 V in electrolysis mode and a peak power density of 1.99 W cm−2 in fuel cell mode at 650 °C.

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Optimizing thermal expansion and polarization resistance of Ce1−xPrxO2−δ (x = 0.1 and 0.2)/La0.4Pr0.1Ba0.5Co0.975O3−δ composite cathode for IT-SOFC

Cited by 2 publications

References 13 publications

Advancements in composite cathodes for intermediate-temperature solid oxide fuel cells: A comprehensive review

Advancements in composite cathodes for intermediate-temperature solid oxide fuel cells: A comprehensive review

Synergistic dual-phase air electrode enables high and durable performance of reversible proton ceramic electrochemical cells

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