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Synergistic effects of nitrogen-doped carbon and praseodymium oxide in electrochemical water splitting
Abstract
Hybrid materials featuring perovskite-type metal oxide in conjunction with heteroatom-doped graphene hold immense promise as alternatives to costly noble metal catalysts for electrochemical water splitting, facilitating the generation of environmentally friendly hydrogen. In this study, perovskite-type oxide containing praseodymium, barium, strontium, cobalt, and iron atoms dispersed in a carbon matrix as a catalyst is synthesized via annealing of the carbon material with substrates for the preparation of perovskite oxide. The mass ratio of reagents regulates the porous structure and elemental composition. The result of the hydrogen evolution reaction (HER), suggests that the hybrid catalysts exhibit intermediate HER kinetics compared to the commercial Pt/C and the catalyst without carbon. The Tafel slope for HER is lower for materials containing carbon, because of the improved reaction kinetics, facilitated proton transfer, and enhanced electrochemical surface area. Therefore, the study provides an effective strategy for the preparation of catalyst and their use as the active catalyst of water splitting.
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Authors (5)
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Patrycja Grabowska
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Malgorzata Skorupska
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Jerzy P. Lukaszewicz
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Anna Ilnicka
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Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1038/s41598-023-43774-8
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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Scientific Reports
no. 13,
ISSN: 2045-2322 - Language:
- English
- Publication year:
- 2023
- Bibliographic description:
- Grabowska P., Szkoda M., Skorupska M., Lukaszewicz J. P., Ilnicka A.: Synergistic effects of nitrogen-doped carbon and praseodymium oxide in electrochemical water splitting// Scientific Reports -Vol. 13,iss. 1 (2023), s.18632-
- DOI:
- Digital Object Identifier (open in new tab) 10.1038/s41598-023-43774-8
- Sources of funding:
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- Opłacona z projektu z uczelni Mikołaja Kopernika w Toruniu
- Verified by:
- Gdańsk University of Technology
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