Protonic ceramics Ba5In2–Y Al2ZrO13 with the perovskite-related hexagonal structure for solid oxide fuel cells: Synthesis, optical band gap and transport properties

Andreev, Roman D.; Korona, Daniil V.; Vlasov, Maxim I.; Animitsa, Irina E.

doi:10.1016/j.ceramint.2024.04.227

Ceramics International

2024

DOI: 10.1016/j.ceramint.2024.04.227

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Protonic ceramics Ba5In2–Y Al2ZrO13 with the perovskite-related hexagonal structure for solid oxide fuel cells: Synthesis, optical band gap and transport properties

Roman D. Andreev,

Daniil V. Korona,

Maxim I. Vlasov

et al.

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2024

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Cited by 4 publications

References 52 publications

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The effect of Zn-doping on electrical properties, hydration, sintering and chemical resistance of hexagonal perovskite Ba7In6Al2O19

Animitsa,

Korona,

Bushueva

et al. 2024

Ceramics International

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The effect of Zn-doping on electrical properties, hydration, sintering and chemical resistance of hexagonal perovskite Ba7In6Al2O19

Animitsa,

Korona,

Bushueva

et al. 2024

Ceramics International

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Hydration Processes of the Proton-Conducting Hexagonal Perovskites Ba₇In_6–xY_xAl₂O₁₉

Andreev,

Animitsa

2024

J. Phys. Chem. C

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The Composite La_2-xNd_xCe₂O_7-δ Material for New Energy Conversion Devices: A Physiochemical and Electrochemical Study

Bukhari,

Mohsin,

Kayani

et al. 2024

ACS Appl. Energy Mater.

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In this study, the composite La 2-x Nd x Ce 2 O 7-δ with different concentrations of La 3+ and Nd 3+ in ceria is prepared through the sol−gel method for a new energy conversion device referred to as single-component solid oxide fuel cell (SC-SOFC). The XRD patterns reveal a fluorite cubic structure for all La 2-x Nd x Ce 2 O 7-δ samples. The SEM analysis revealed that La 2-x Nd x Ce 2 O 7-δ (x = 0.5, 1, 1.5) materials exhibit fine agglomeration of irregular grains and nonhomogeneous flakes for the La 2-x Nd x Ce 2 O 7 (x = 0 and 2) samples. Furthermore, FTIR results indicate the presence of nitrates in the composites. In Raman spectra, the F 2g mode is associated with the space group (Fm3m), which confirms the fluorite structure. Further, Raman spectroscopy shows the shifting of peaks to higher frequencies for La 2-x Nd x Ce 2 O 7-δ (x = 0.5, 1, 1.5) samples. The conductivity of La 1.5 Nd 0.5 Ce 2 O 7-δ material shows an exceptional result, with a total conductivity of 0.10 S cm −1 at 600 °C. The Nyquist plot of sample La 1.5 Nd 0.5 Ce 2 O 7-δ shows a reduction of ohmic resistance (R o ) with increasing temperature, confirming the stability for all prepared materials. The La 1.5 Nd 0.5 Ce 2 O 7-δ composite shows a maximum power density of ∼639 mW cm −2 at 600 °C. Therefore, the composite La 2-x Nd x Ce 2 O 7-δ with Ni 0.8 Co 0.15 Al 0.05 LiO 2 as a semionic conductor has good potential as a single-component energy conversion device.

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Protonic ceramics Ba5In2–Y Al2ZrO13 with the perovskite-related hexagonal structure for solid oxide fuel cells: Synthesis, optical band gap and transport properties

Cited by 4 publications

References 52 publications

The effect of Zn-doping on electrical properties, hydration, sintering and chemical resistance of hexagonal perovskite Ba7In6Al2O19

The effect of Zn-doping on electrical properties, hydration, sintering and chemical resistance of hexagonal perovskite Ba7In6Al2O19

Hydration Processes of the Proton-Conducting Hexagonal Perovskites Ba₇In_6–xY_xAl₂O₁₉

The Composite La_2-xNd_xCe₂O_7-δ Material for New Energy Conversion Devices: A Physiochemical and Electrochemical Study

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Protonic ceramics Ba5In2–Y Al2ZrO13 with the perovskite-related hexagonal structure for solid oxide fuel cells: Synthesis, optical band gap and transport properties

Cited by 4 publications

References 52 publications

The effect of Zn-doping on electrical properties, hydration, sintering and chemical resistance of hexagonal perovskite Ba7In6Al2O19

The effect of Zn-doping on electrical properties, hydration, sintering and chemical resistance of hexagonal perovskite Ba7In6Al2O19

Hydration Processes of the Proton-Conducting Hexagonal Perovskites Ba7In6–xYxAl2O19

The Composite La2-xNdxCe2O7-δ Material for New Energy Conversion Devices: A Physiochemical and Electrochemical Study

Contact Info

Product

Resources

About

Hydration Processes of the Proton-Conducting Hexagonal Perovskites Ba₇In_6–xY_xAl₂O₁₉

The Composite La_2-xNd_xCe₂O_7-δ Material for New Energy Conversion Devices: A Physiochemical and Electrochemical Study