Exfoliated graphite with spinel oxide as an effective hybrid electrocatalyst for water splitting - Publikacja - MOST Wiedzy

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Exfoliated graphite with spinel oxide as an effective hybrid electrocatalyst for water splitting

Abstrakt

The aim of the conducted research was to develop hybrid nanostructures formed from MnCo2O4 and exfoliated graphite. Carbon added during the synthesis allowed for obtaining a well-distributed MnCo2O4 particle size with exposed active sites contributing to the increased electric conductivity. The influence of the weight ratios of carbon to a catalyst for hydrogen and oxygen evolution reactions was investigated. The new bifunctional catalysts for water splitting were tested in an alkaline medium with excellent electrochemical performance and very good working stability. The results for hybrid samples show better electrochemical performance compared to the pure MnCo2O4. The highest electrocatalytic activity was for sample MnCo2O4/EG (2/1), where the value of the overpotential was 1.66 V at 10 mA cm−2, and also for this sample a low value of Tafel slope (63 mV dec−1) was denoted.

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
RSC Advances nr 13, strony 10215 - 10220,
ISSN: 2046-2069
Język:
angielski
Rok wydania:
2023
Opis bibliograficzny:
Skorupska M., Kowalska K., Tyc M., Ilnicka A., Szkoda M., Lukaszewicz J. P.: Exfoliated graphite with spinel oxide as an effective hybrid electrocatalyst for water splitting// RSC Advances -,iss. 15 (2023), s.10215-10220
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1039/d3ra00589e
Źródła finansowania:
  • COST_FREE
Weryfikacja:
Politechnika Gdańska

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