Synergistic effects of nitrogen-doped carbon and praseodymium oxide in electrochemical water splitting - Publikacja - MOST Wiedzy

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Synergistic effects of nitrogen-doped carbon and praseodymium oxide in electrochemical water splitting

Abstrakt

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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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
Scientific Reports nr 13,
ISSN: 2045-2322
Język:
angielski
Rok wydania:
2023
Opis bibliograficzny:
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:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1038/s41598-023-43774-8
Źródła finansowania:
  • Opłacona z projektu z uczelni Mikołaja Kopernika w Toruniu
Weryfikacja:
Politechnika Gdańska

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