Results 1 to 10 of about 15,572,529 (289)

Thermodynamics-inspired high-entropy oxide synthesis [PDF]

open access: yesNature Communications
High-entropy oxide (HEO) thermodynamics transcend temperature-centric approaches, spanning a multidimensional landscape where oxygen chemical potential plays a decisive role.
Saeed S. I. Almishal   +12 more
doaj   +6 more sources

High Entropy Oxide Phases with Perovskite Structure [PDF]

open access: yesNanomaterials, 2020
The possibility of the formation of high entropy single-phase perovskites using solid-state sintering was investigated. The BaO−SrO−CaO−MgO−PbO−TiO2, BaO−SrO−CaO−MgO−PbO−Fe2O3 and Na2O−K2O&
Denis A. Vinnik   +11 more
doaj   +5 more sources

Research progress on high entropy oxide ceramics: Principles, preparation, and properties

open access: yesJournal of Materials Research and Technology
High entropy oxide ceramics impart diverse excellent characteristics and extensive application potential to the high entropy oxide family, owing to their distinct high entropy effects and lattice distortions. Starting from the basic definition of entropy,
Gang Du   +8 more
doaj   +4 more sources

A high-entropy spinel ceramic oxide as the cathode for proton-conducting solid oxide fuel cells

open access: yesJournal of Advanced Ceramics, 2022
A high-entropy ceramic oxide is used as the cathode for the first time for proton-conducting solid oxide fuel cells (H-SOFCs). The Fe0.6Mn0.6Co0. 6Ni0.6Cr0.6O4 (FMCNC) high-entropy spinel oxide has been successfully prepared, and the in situ chemical ...
Yangsen Xu, Xi Xu, Lei Bi
doaj   +2 more sources

Ultra-dense dislocations stabilized in high entropy oxide ceramics [PDF]

open access: yesNature Communications, 2022
Dislocation engineering is important for designing structural materials. Here the authors demonstrate that a high-entropy oxide ceramic with a high density of edge dislocations can be stabilized by increasing the compositional complexity, resulting in ...
Yi Han   +11 more
doaj   +2 more sources

Superelastic High‐Entropy Oxide Ceramic Aerogels for Thermal Superinsulation and Sealing at Extreme Conditions [PDF]

open access: yesAdvanced Science
The lightweight ceramic aerogels are plagued by thermal instability and mechanical degeneration at extreme conditions. In this study, a high‐entropy oxide ceramic of (Gd1/2Lu1/2)2(Ti1/3Zr1/3Hf1/3)2O7 (GLTZH) is prepared through a molecular synthesis ...
Xiaoke Jiang   +9 more
doaj   +2 more sources

Designing water resistant high entropy oxide materials [PDF]

open access: yesNature Communications
The ubiquitous presence of moisture usually shows adverse effects on industrial catalysis. Herein, a concept of engineering entropy to design water-resistant oxide catalysts is proposed.
Mengyuan Zhang   +11 more
doaj   +2 more sources

Synergy of cations in high entropy oxide lithium ion battery anode [PDF]

open access: yesNature Communications, 2023
Though high entropy oxides have been explored as possible conversion-type negative electrodes for Li-ion batteries, the roles of the different elements remain unclear. Here the authors determine the behavior of each element during electrochemical cycling
Kai Wang   +11 more
doaj   +2 more sources

Synthesis of High-Entropy Oxide Nanopowders with Different Crystal Structures by Electrical Explosion of Wires [PDF]

open access: yesNanomaterials
High-entropy oxides are a new type of material that consists of five or more principal elements in an equimolar or nearly equimolar ratio. They have many excellent properties and are rapidly becoming a hotspot for the development of new high-performance ...
Shuai Liu   +3 more
doaj   +2 more sources

Sustainable photocatalytic hydrogen peroxide production over octonary high-entropy oxide [PDF]

open access: yesNature Communications
The direct utilization of solar energy for the artificial photosynthesis of hydrogen peroxide (H2O2) provides a reliable approach for producing this high-value green oxidant.
Hao Ling   +12 more
doaj   +2 more sources

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