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High-Entropy Oxides: Fundamental Aspects and Electrochemical Properties
Abhishek Sarkar, Qingsong Wang, Alexander Schiele, Mohammed Reda Chellali, , Di Wang, Torsten Brezesinski, Horst Hahn, Leonardo Velasco, Ben Breitung
Published in Wiley-VCH Verlag
2019
PMID: 30838717
Volume: 31
   
Issue: 26
Abstract

High-entropy materials, especially high-entropy alloys and oxides, have gained significant interest over the years due to their unique structural characteristics and correlated possibilities for tailoring of functional properties. The developments in the area of high-entropy oxides are highlighted here, with emphasis placed on their fundamental understanding, including entropy-dominated phase-stabilization effects and prospective applications, e.g., in the field of electrochemical energy storage. Critical comments on the different classes of high-entropy oxides are made and the underlying principles for the observed properties are summarized. The diversity of materials design, provided by the entropy-mediated phase-stabilization concept, allows engineering of new oxide candidates for practical applications, warranting further studies in this emerging field of materials science. © 2019 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

About the journal
JournalData powered by TypesetAdvanced Materials
PublisherData powered by TypesetWiley-VCH Verlag
ISSN09359648
Open AccessYes
Concepts (14)
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    Energy storage
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    FLUORSPAR
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    HIGH-ENTROPY ALLOYS
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    Perovskite
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    Stabilization
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    Electrochemical energy storage
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    Functional properties
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    MATERIALS DESIGN
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    Phase stabilization
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    PROSPECTIVE APPLICATIONS
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    ROCK SALT
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    Structural characteristics
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    UNDERLYING PRINCIPLES
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    Entropy