| Title: | Electrocatalytic trends of different Cantor entropy alloys for alkaline and acidic hydrogen-evolution reactions |
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| Authors: | ID Ljubec Božiček, Barbara, Institut "Jožef Stefan" (Author)
ID Arah, Bor, Institut "Jožef Stefan" (Author)
ID Kušter, Monika, Institut "Jožef Stefan" (Author)
ID Naglič, Iztok (Author)
ID Markoli, Boštjan (Author)
ID Ponikvar-Svet, Maja, Institut "Jožef Stefan" (Author)
ID Einfalt, Lara, Institut "Jožef Stefan" (Author)
ID Čeh, Miran, Institut "Jožef Stefan" (Author)
ID Alcantara Marinho, Belisa, Institut "Jožef Stefan" (Author) |
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| Files: |  URL - Source URL, visit https://www.sciencedirect.com/science/article/pii/S2352492824028575?via%3Dihub
 PDF - Presentation file, download (4,83 MB)
MD5: 0FEB68B46E9D9FE6264CFB8C5721A030
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| Language: | English |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: |  IJS - Jožef Stefan Institute
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| Abstract: | Medium- and high-entropy alloys (MEAs and HEAs) are the basis of unique electrocatalysts for hydrogen-evolution reactions (HERs) due to their tunable chemical compositions and microstructures. Here, various Cantor MEAs (CoFeNi, CoFeNiMn, CoFeNiCr) and a HEA (CoFeNiMnCr) made up of affordable non-noble transitional metals with different structures (primary matrix and secondary phases, grain sizes, lattice parameters) were successfully synthesized with an inert-gas melting process. A close correlation was established between their physicochemical properties (elemental composition, microstructure, crystal structure) and the hydrogen-binding ability of the elements in the alloy on the electrocatalytic HER activity and stability in alkaline and acidic media. Advanced performances of electrocatalysts toward HERs were revealed in a specially designed electrochemical cell. Effectively identifying these electrocatalytic trends lays the groundwork for the strategic design of multi-component alloy electrocatalysts for practical HERs. |
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| Keywords: | water-spliting, hydrogen-binding energy, medium-entropy alloys, high-entropy alloys, spillover effect |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Submitted for review: | 08.08.2024 |
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| Article acceptance date: | 01.11.2024 |
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| Publication date: | 04.11.2024 |
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| Publisher: | Elsevier |
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| Year of publishing: | 2024 |
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| Number of pages: | str. 1-7 |
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| Numbering: | Vol. 41, [article no.] 110876 |
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| Source: | Nizozemska |
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| PID: | 20.500.12556/DiRROS-24058  |
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| UDC: | 54 |
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| ISSN on article: | 2352-4928 |
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| DOI: | 10.1016/j.mtcomm.2024.110876 |
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| COBISS.SI-ID: | 214436867 |
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| Copyright: | © 2024 The Author(s). |
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| Note: | Nasl. z nasl. zaslona;
Soavtorji: Bor Arah, Monika Kušter, Iztok Naglič, Boštjan Markoli, Maja Ponikvar-Svet, Lara Einfalt, Miran Čeh, Belisa Alcantara Marinho;
Opis vira z dne 11. 11. 2024;
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| Publication date in DiRROS: | 10.11.2025 |
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| Views: | 172 |
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| Downloads: | 70 |
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