Evaluation of bimetallic Pt–Co and Pt–Ni catalysts in LOHC dehydrogenation.
In: International Journal of Hydrogen Energy, Jg. 51 (2024-01-18), S. 243-255
Online
academicJournal
Zugriff:
Liquid Organic Hydrogen Carrier (LOHC) systems offer the possibility of long-period hydrogen storage without losses. PGM-based catalysts have been extensively studied for their use in the LOHC hydrogenation (hydrogen storage) and also in dehydrogenation (hydrogen production) reactions. However, during the dehydrogenation a high PGM/LOHC ratio is necessary to achieve significant conversions. In this work, the influence of non-noble metal (Co and Ni) incorporation over Pt-based catalyst with low metal content (0.5 wt% Pt) was studied. It has been demonstrated that Pt–Co and Pt–Ni interactions increase for lower non noble metal contents, which result in higher bimetallic performance in dehydrogenation. The addition of 0.5 wt% Co resulted to increase the dehydrogenation productivity, while the Ni incorporation did not improve the performance of the monometallic Pt catalysts. [Display omitted] • Pt–Co interactions increased for low Co contents. • Co promoted high polar by-product formation during the dehydrogenation reaction. • Bimetallic Pt–Co catalysts could reduce PGM content for the LOHC technology. [ABSTRACT FROM AUTHOR]
Titel: |
Evaluation of bimetallic Pt–Co and Pt–Ni catalysts in LOHC dehydrogenation.
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Autor/in / Beteiligte Person: | Alconada, K. ; Barrio, V.L. |
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Zeitschrift: | International Journal of Hydrogen Energy, Jg. 51 (2024-01-18), S. 243-255 |
Veröffentlichung: | 2024 |
Medientyp: | academicJournal |
ISSN: | 0360-3199 (print) |
DOI: | 10.1016/j.ijhydene.2023.04.120 |
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