Repozitorij Univerze v Novi Gorici

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Naslov:Iron phosphide electrocatalyst for renewable production of value-added products
Avtorji:ID Chouki, Takwa (Avtor)
ID Machreki, Manel (Avtor)
ID Rutkowska, Iwona A. (Avtor)
ID Rytelewska, Beata (Avtor)
ID Kulesza, Pawel Jozef (Avtor)
ID Tyuliev, Georgi (Avtor)
ID Harb, Moussab (Avtor)
ID Azofra, Luis Miguel (Avtor)
ID Emin, Saim (Avtor)
Datoteke:URL https://msng2022.gazi.edu.tr/
 
Jezik:Angleški jezik
Vrsta gradiva:Neznano
Tipologija:1.10 - Objavljeni povzetek znanstvenega prispevka na konferenci (vabljeno predavanje)
Organizacija:UNG - Univerza v Novi Gorici
Opis:The electrochemical reduction reaction of the nitrate ion (NO3) to valuable ammonia (NH3) is a promising green approach. Herein, we report for the the electrocatalytic reduction of NO3 using different phases of iron phosphide. Particularly, FeP and Fe2P phases were successfully demonstrated as efficient catalysts for NH3 generation. The Fe2P catalyst exhibits the highest Faradaic efficiency (96%) for NH3 generation with a yield (0.25 mmol h−1 cm-−2) at −0.55 V vs. reversible hydrogen electrode (RHE). The recycling tests confirmed that Fe2P and FeP catalysts exhibit excellent stability during the NO3 reduction at −0.37 V vs. RHE. These results indicate that the Fe2P phase exhibits excellent performance to be deployed as an efficient noble metal-free catalyst for NH3 generation. In addition to NO3 reduction the iron phosphide phases were used in electrocatalytic H2 generation using water electrolysis. The electrocatalytic activities of heat-treated Fe2P−450°C, Fe3P−500°C, and Fe2P/FeP−500°C catalysts were studied for hydrogen evolution reaction (HER) in 0.5 M H2SO4. The lowest electrode potential of 110 mV vs. a reversible hydrogen electrode (RHE) at 10 mA cm−2 was achieved with a mixed Fe2P/FeP−500°C catalyst.
Ključne besede:electrochemical reduction, nitrate reduction, iron phosphide catalyst, NH3 generation
Leto izida:2022
Št. strani:Str. 24
PID:20.500.12556/RUNG-9728 Novo okno
COBISS.SI-ID:221838595 Novo okno
UDK:53
NUK URN:URN:SI:UNG:REP:QI4C3RP0
Datum objave v RUNG:10.01.2025
Število ogledov:237
Število prenosov:1
Metapodatki:XML DC-XML DC-RDF
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Gradivo je del monografije

Naslov:9th International Conference on Materials Science and Nanotechnology for Next Generation : Gazi University, Ankara, Turkey, Sep. 22-24, 2022
Kraj izida:[Ankara
Založnik:s. n.
Leto izida:2022
COBISS.SI-ID:221837059 Novo okno

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