A Review of Applications, Prospects, and Challenges of Proton-Conducting Zirconates in Electrochemical Hydrogen Devices [PDF]
Nanomaterials, 2022 In the future, when fossil fuels are exhausted, alternative energy sources will be essential for everyday needs. Hydrogen-based energy can play a vital role in this aspect. This energy is green, clean, and renewable. Electrochemical hydrogen devices have
M. Khalid Hossain +8 more
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Spin-Dependent First-Principles Study on Optoelectronic Properties of Neodymium Zirconates Pyrochlores Nd2Zr2O7 in Fd-3m and Pmma Phases [PDF]
Molecules, 2022 Rare-earth zirconate pyrochlores (RE2Zr2O7) are of much fundamental and technological interest as optoelectronic, scintillator and thermal barrier coating materials.
Azhar Qayyum +6 more
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Broadband optical phonon scattering reduces the thermal conductivity of multi-cation oxides [PDF]
Nature CommunicationsMulticomponent oxides, such as many minerals and high entropy oxides, show promise as materials for protection in extreme environments. Similar to other phononically dominated materials, the spectrum of vibrational carriers and phonon scattering heavily ...
William T. Riffe +11 more
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Ultra‐Thin Oxide‐Based Double‐Layer Architecture Achieves Wide‐Temperature Broadband Microwave Absorption by Synergizing Lorentz Resonance and Thermionic Transport [PDF]
Advanced ScienceAchieving high and stable permittivity is essential for developing ultra‐thin and wide‐temperature adaptive microwave‐absorbing materials (MAMs). Conventional high‐permittivity MAMs suffer from temperature‐sensitive permittivity and cannot achieve stable
Zewen Duan +7 more
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Emerging computational and machine learning methodologies for proton-conducting oxides: materials discovery and fundamental understanding [PDF]
Science and Technology of Advanced MaterialsThis review presents computational and machine learning methodologies developed during a 5-year research project on proton-conducting oxides. The main goal was to develop methodologies that could assist in materials discovery or provide new insights into
Susumu Fujii +5 more
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Thermodynamic Insights for Electrochemical Hydrogen Compression with Proton-Conducting Membranes [PDF]
Membranes, 2019 Membrane electrode assemblies (MEA) based on proton-conducting electrolyte membranes offer opportunities for the electrochemical compression of hydrogen.
Benjamin L. Kee +6 more
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Influence of rare earth elements on the structure and properties of powders based on zirconium dioxide during consolidation [PDF]
MATEC Web of Conferences, 2020 Zirconium oxide powders with different contents of REE concentrate (La, Nd, Pr) in an amount from 25 to 35 mol. % were synthesized by the method of reverse chemical deposition.
Oglezneva Svetlana A. +3 more
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Reactions of alkaline earth zirconate refractories with titanium alloys [PDF]
MATEC Web of Conferences, 2020 The severe reactivity of titanium alloys with ceramics is a major challenge for their processing. Up to now refractories to melt and cast titanium alloys are selected on the basis of a low Gibbs energy of formation. This kind of selection assumes that an
Schafföner Stefan
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Synthesis of the superfine high-entropy zirconate nanopowders by polymerized complex method
Journal of Advanced Ceramics, 2021 The high-purity and superfine high-entropy zirconate nanopowders, namely (Y0.25La0.25Sm0.25Eu0.25)2Zr2O7 nanopowders, without agglomeration, were successfully synthesized via polymerized complex method at low temperatures for the first time.
Yangjie Han +3 more
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Applied Sciences, 2022 As electrolyte materials for proton conductive fuel cells, perovskite-type materials such as barium cerates and barium zirconates have received a lot of attention due to their high protonic conduction at intermediate temperatures.
Monica Susana Campos Covarrubias +6 more
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