Multicomponent doping realized superior triple-conducting within cobalt-free Ruddlesden-Popper-type perovskite for Proton-conducting fuel cells cathode

Gong, Jian; Xu, Lanlan; Deng, Ruiping; Zhuge, Hanfei; Liu, Xiaojuan

doi:10.1016/j.ijhydene.2024.03.248

International Journal of Hydrogen Energy

2024

DOI: 10.1016/j.ijhydene.2024.03.248

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Multicomponent doping realized superior triple-conducting within cobalt-free Ruddlesden-Popper-type perovskite for Proton-conducting fuel cells cathode

Jian Gong,

Lanlan Xu,

Ruiping Deng

et al.

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2024

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Cited by 3 publications

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Redox Stability and Electrical Properties of a Series of Novel Quadruple Dopant BIMEVOX: Bi₂V_1−4x(CuNiNbTi)_xO_5.5−δ

Song,

Zhang,

Liu

et al. 2024

Physica Status Solidi (a)

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Bi2VO5.5‐based materials are well‐known oxide ion conductors owing to their exceptionally high ionic conductivity. However, their poor phase and redox stabilities under a reducing atmosphere hinder their practical application as electrolytes for solid oxide fuel cells. Here, a series of novel quadruple metal‐doped bismuth vanadium system materials Bi2V1−4x(CuNiNbTi)xO5.5−δ (0 ≤ x ≤ 0.1) are prepared through a traditional solid state reaction method, aiming to enhance the phase and redox stability under reducing atmosphere. The results reveal that multiple‐metal‐doping can stabilize the tetragonal phase of Bi2VO5.5 to room temperature and show good phase and structural stabilities under inert or high oxygen partial pressure atmospheres, as well as pure oxide ion conduction which is slightly lower than that of the parent material. However, under a reducing environment, the Bi2V1−4x(CuNiNbTi)xO5.5−δ materials would still undergo a phase decomposition, yielding elemental bismuth impurity, and introducing strong electronic conduction. Thus, how to improve the phase and redox stabilities under the reducing atmosphere of the Bi2VO5.5‐based materials is still the endeavor direction in the future.

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Redox Stability and Electrical Properties of a Series of Novel Quadruple Dopant BIMEVOX: Bi₂V_1−4x(CuNiNbTi)_xO_5.5−δ

Song,

Zhang,

Liu

et al. 2024

Physica Status Solidi (a)

View full text Add to dashboard Cite

show abstract

Phase relationships and thermal behavior of one-pot synthesized dual-phase BaCe0.5Fe0.5O3–δ composites

Tarutina,

Kuznetsova,

Skutina

et al. 2024

Ceramics International

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Surface reconstruction of a perovskite air electrode boosts the activity and durability of reversible protonic ceramic electrochemical cells

Fang,

Huang,

et al. 2024

Journal of Power Sources

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Multicomponent doping realized superior triple-conducting within cobalt-free Ruddlesden-Popper-type perovskite for Proton-conducting fuel cells cathode

Cited by 3 publications

References 53 publications

Redox Stability and Electrical Properties of a Series of Novel Quadruple Dopant BIMEVOX: Bi₂V_1−4x(CuNiNbTi)_xO_5.5−δ

Redox Stability and Electrical Properties of a Series of Novel Quadruple Dopant BIMEVOX: Bi₂V_1−4x(CuNiNbTi)_xO_5.5−δ

Phase relationships and thermal behavior of one-pot synthesized dual-phase BaCe0.5Fe0.5O3–δ composites

Surface reconstruction of a perovskite air electrode boosts the activity and durability of reversible protonic ceramic electrochemical cells

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Multicomponent doping realized superior triple-conducting within cobalt-free Ruddlesden-Popper-type perovskite for Proton-conducting fuel cells cathode

Cited by 3 publications

References 53 publications

Redox Stability and Electrical Properties of a Series of Novel Quadruple Dopant BIMEVOX: Bi2V1−4x(CuNiNbTi)xO5.5−δ

Redox Stability and Electrical Properties of a Series of Novel Quadruple Dopant BIMEVOX: Bi2V1−4x(CuNiNbTi)xO5.5−δ

Phase relationships and thermal behavior of one-pot synthesized dual-phase BaCe0.5Fe0.5O3–δ composites

Surface reconstruction of a perovskite air electrode boosts the activity and durability of reversible protonic ceramic electrochemical cells

Contact Info

Product

Resources

About

Redox Stability and Electrical Properties of a Series of Novel Quadruple Dopant BIMEVOX: Bi₂V_1−4x(CuNiNbTi)_xO_5.5−δ

Redox Stability and Electrical Properties of a Series of Novel Quadruple Dopant BIMEVOX: Bi₂V_1−4x(CuNiNbTi)_xO_5.5−δ