2022
DOI: 10.1039/d2nr02663e
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Carbon-incorporated Ni2P–Fe2P hollow nanorods as superior electrocatalysts for the oxygen evolution reaction

Abstract: A rational design and cost-effective transition metal-based hollow nanostructures are important for sustainable energy materials with high efficiency. This study reports that the carbon-incorporated Ni2P-Fe2P hollow nanorods ((Ni,Fe)2P/C HNRs) derived...

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Cited by 13 publications
(3 citation statements)
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“…NiFe/Ni-S also have higher performance characteristics compared with reported OER electrocatalysts (Figure 2f and Table S3, Supporting Information). [15,[37][38][39][40][41][42][43] The Faradaic efficiency of NiFe/Ni-S is ≈98.7% (Figure S16, Supporting Information), suggesting that the OER undergoes a four-electron pathway (4OH − → 2H 2 O + O 2 + 4e − ). [9,44] More importantly, the NiFe/Ni-S catalyst exhibits remarkable stability, with no significant fluctuations during the 160-h stability test at a current density of 100 mA cm −2 (Figure 2g).…”
Section: Resultsmentioning
confidence: 99%
“…NiFe/Ni-S also have higher performance characteristics compared with reported OER electrocatalysts (Figure 2f and Table S3, Supporting Information). [15,[37][38][39][40][41][42][43] The Faradaic efficiency of NiFe/Ni-S is ≈98.7% (Figure S16, Supporting Information), suggesting that the OER undergoes a four-electron pathway (4OH − → 2H 2 O + O 2 + 4e − ). [9,44] More importantly, the NiFe/Ni-S catalyst exhibits remarkable stability, with no significant fluctuations during the 160-h stability test at a current density of 100 mA cm −2 (Figure 2g).…”
Section: Resultsmentioning
confidence: 99%
“…26 During the high-temperature process of selenization treatment, carbon is partially retained due to the presence of CN − in the PBA, resulting in the formation of a carbon layer on the catalyst surface. 27,28 The elemental mapping proves that the elements Fe, Ni, Mo, Se, and C are contained in Fe-NiMoSe@ C (Figure 1i), while according to the EDS line scan, the content of Ni and Fe elements shows a slight decrease in the interior, and the content of Mo elements is higher in the interior, which is related to the formation of hollow nanorods. The prepared Fe-NiMoSe@C has abundant heterostructure interfaces and defects, which will facilitate the adsorption of reactants and accelerate electron transport, while the hollow structure and surface nanoparticles enable the catalyst to have abundant active sites.…”
Section: ■ Introductionmentioning
confidence: 93%
“…Phosphide catalysts can be coupled with carbon-based materials, such as carbon nanotubes or graphene, to enhance their performance in the HER. 34,41,42 The combination of phosphide catalysts and carbon-based supports can improve electron transport, increase the active surface area and enhance stability. This collaborative coupling promotes effective charge transfer and improves the overall catalytic activity.…”
Section: Bin Dongmentioning
confidence: 99%