High-entropy alloys for electrocatalysis: From fundamental properties to rational design and energy applications

Electrochemical energy conversion technologies are central to addressing global energy shortages and environmental pollution, yet their practical efficiency is often limited by sluggish reaction kinetics and the reliance on noble-metal-based catalysts. High-entropy alloys (HEAs), consisting of five or more elements in nearly equiatomic proportions, have garnered growing attention due to their distinctive properties, including exceptional strength, high hardness, excellent ductility, and corrosion resistance. In this review, we systematically examine the roles of HEAs in electrocatalytic energy conversion, with a particular focus on how their phase structures and core effects govern catalytic activity,…

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  National Natural Science Foundation of China