High-Entropy Alloys for Electrocatalysis: Design, Characterization, and Applications,Small

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High-Entropy Alloys for Electrocatalysis: Design, Characterization, and Applications
Small ( IF 13.0 ) Pub Date : 2021-11-05 , DOI: 10.1002/smll.202104339
Yiqiong Zhang ₁ , Dongdong Wang ₂ , Shuangyin Wang ₂

Affiliation

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.

中文翻译：

用于电催化的高熵合金：设计、表征和应用

高熵合金（HEAs）由于其广泛可调的成分和独特的物理和化学性质，有望作为电催化材料发挥良好的作用。近年来，HEA催化剂在电催化领域得到了广泛的研究。这促使作者研究 HEA 的结构和组成与其电催化性能之间的关系。在这篇综述中，系统总结了 HEA 电催化剂的最新进展，特别关注固氮、碳循环、水分解和燃料电池；此外，通过将其与HEA微观结构的表征和分析相结合，优化HEA电催化剂的合理设计策略，包括可控制备、组分调控、应变工程、缺陷工程、并提出理论预测。此外，对高熵材料存在的问题和未来趋势进行了预测，这将有助于这些高熵材料的进一步发展。

更新日期：2021-11-05

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