Journal
SMALL
Volume 18, Issue 7, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.202104339
Keywords
applications; characterization; design strategy; electrocatalysis; high-entropy alloys
Categories
Funding
- National Natural Science Foundation of China [22002009, 21573066, 21825201]
- Scientific Research Foundation of Hunan Provincial Education Department [19C0054]
- Provincial Natural Science Foundation of Hunan [2021JJ40565, 2016JJ1006, 2016TP1009]
- Postgraduate Scientific Research Innovation Project of Hunan Province [CX20200441]
- Shenzhen Discovery Foundation [JCYJ20170306141659388]
- Hunan Provincial Innovation Foundation for Postgraduate [CX2018B182]
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High-entropy alloys are expected to be effective electrocatalytic materials due to their adjustable composition and unique properties. Recent studies have focused on the relationship between the structure and composition of HEAs and their electrocatalytic performance, proposing design strategies for optimizing these materials. The review also predicts future trends and issues in the field of HEAs for further development.
High-entropy alloys (HEAs) are expected to function well as electrocatalytic materials, owing to their widely adjustable composition and unique physical and chemical properties. Recently, HEA catalysts are extensively studied in the field of electrocatalysis; this motivated the authors to investigate the relationship between the structure and composition of HEAs and their electrocatalytic performance. In this review, the latest advances in HEA electrocatalysts are systematically summarized, with special focus on nitrogen fixation, the carbon cycle, water splitting, and fuel cells; in addition, by combining this with the characterization and analysis of HEA microstructures, rational design strategies for optimizing HEA electrocatalysts, including controllable preparation, component regulation, strain engineering, defect engineering, and theoretical prediction are proposed. Moreover, the existing issues and future trends of HEAs are predicted, which will help further develop these high-entropy materials.
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