Issue 1, 2024

High-entropy catalysts: new opportunities toward excellent catalytic activities

Abstract

High-entropy catalysts (HECs) have been increasingly used in various applications in recent years. Owing to their multi-element composition and high-entropy mixing structure, HECs exhibit excellent catalytic performance in thermocatalysis, electrocatalysis, and photocatalysis. This comprehensive review focuses on the synthesis and catalytic applications of high-entropy alloys (HEAs), high-entropy oxides (HEOs), high-entropy sulfides (HESs), and other high-entropy catalytic systems. In this review, we point out several issues that require further exploration, including the controllable synthesis of HECs, identification of active centers, and regulation of elemental composition and structure of HECs. We hope that this review can help to further advance the development of HECs, in terms of optimizing the catalytic activities of HECs. Moreover, the “high-entropy” design concept behind these materials may also provide insights and solutions for addressing the challenges encountered in traditional simple systems.

Graphical abstract: High-entropy catalysts: new opportunities toward excellent catalytic activities

Article information

Article type
Review Article
Submitted
05 jun. 2023
Accepted
31 ago. 2023
First published
06 sep. 2023

Mater. Chem. Front., 2024,8, 179-191

High-entropy catalysts: new opportunities toward excellent catalytic activities

Z. Shi, L. Wang, Y. Huang, X. Y. Kong and L. Ye, Mater. Chem. Front., 2024, 8, 179 DOI: 10.1039/D3QM00638G

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