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  Review and outlook on high-entropy alloys for hydrogen storage

Marques, F., Balcerzak, M., Winkelmann, F., Zepon, G., & Felderhoff, M. (2021). Review and outlook on high-entropy alloys for hydrogen storage. Energy & Environmental Science, 14(10), 5191-5227. doi:10.1039/D1EE01543E.

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 Creators:
Marques, Felipe1, Author              
Balcerzak, Mateusz1, 2, Author              
Winkelmann, Frederik1, Author              
Zepon, Guilherme3, 4, Author
Felderhoff, Michael1, Author              
Affiliations:
1Research Group Felderhoff, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_3027887              
2Institute of Materials Science and Engineering, Poznan University of Technology, Jana Pawla II No. 24, 61-138 Poznan, Poland , ou_persistent22              
3Department of Materials Engineering, Federal University of São Carlos, Rod. Washington Luis, km 235, CEP: 13565-905, São Carlos, SP, Brazil, ou_persistent22              
4Graduate Program of Materials Science and Engineering, Federal University of São Carlos, Rod. Washington Luis, km 235, CEP: 13565-905, São Carlos, SP, Brazil, ou_persistent22              

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 Abstract: Recently, a new class of alloys, namely, high-entropy alloys (HEAs), started to be investigated for hydrogen storage as they can form metal hydrides. Considering that the properties of metal hydrides are greatly influenced by the type of phase formed, and chemical composition, HEAs (with their vastness of compositions) present a high potential for developing promising materials for this application. A crucial aspect in assessing the potential of these alloys is the effective compositional design and synthesis. Here, we evaluate the methods used for obtaining HEAs for hydrogen storage and, based on the most advanced discussions of phase formation and stability in HEAs, we expose some strategies for a better assessment of the vast compositional field. Moreover, we present and discuss the first attempts to model the hydrogenation properties of HEAs using thermodynamics and data science. The development of these kinds of predictive tools is paramount for exploring HEAs' potential for hydrogen storage. To date, the most promising HEA compositions can be classified into three classes: body-centered cubic HEAs, lightweight HEAs, and intermetallic HEAs.

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Language(s): eng - English
 Dates: 2021-05-212021-09-022021-10-01
 Publication Status: Published in print
 Pages: 37
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1039/D1EE01543E
 Degree: -

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Title: Energy & Environmental Science
  Abbreviation : Energy Environ. Sci.
Source Genre: Journal
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Publ. Info: Cambridge, UK : Royal Society of Chemistry
Pages: - Volume / Issue: 14 (10) Sequence Number: - Start / End Page: 5191 - 5227 Identifier: ISSN: 1754-5692
CoNE: https://pure.mpg.de/cone/journals/resource/1754-5692