Abstract
High entropy alloys (HEA) represent a kind of materials with unique structural and functional properties, and have attracted wide attentions in many fields including hydrogen storage. Due to the huge diversity in the composition of HEAs, novel hydrogen storage materials with superior comprehensive performance are expected to be developed following the concept, with some notable progress made in the past decade. In this study, the present research status in HEAs for hydrogen storage is summarized from the aspects of theoretical guide, composition and preparation, microstructure and hydrogen storage properties. Moreover, the key issues in future development and possible application scenarios are analyzed. • A rigorous literature survey on the status and trend of high entropy alloys for hydrogen storage was presented. • Pros and cons of hydrogen storage HEAs were shown regarding capacity, thermal stability, kinetics, activation and cycling. • The promising scenarios for hydrogen storage HEAs were summarized and problems to solve pointed out.
Published Version
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