dc.contributor.author | Poureshghi, Fatemeh | |
dc.contributor.author | Seland, Frode | |
dc.contributor.author | Jensen, Jens Oluf | |
dc.contributor.author | Sunde, Svein | |
dc.date.accessioned | 2023-02-24T09:25:36Z | |
dc.date.available | 2023-02-24T09:25:36Z | |
dc.date.created | 2022-10-21T09:59:52Z | |
dc.date.issued | 2022 | |
dc.identifier.citation | Applied Catalysis A : General. 2022, 643 . | en_US |
dc.identifier.issn | 0926-860X | |
dc.identifier.uri | https://hdl.handle.net/11250/3053773 | |
dc.description.abstract | Rational design of efficient, earth-abundant, and durable electrocatalysts to accelerate the oxygen evolution reaction (OER) is critical for hydrogen ion by water electrolysis. In the present work, nanostructured Ni12−xFexP5 (x = 1.2, 2.4, 3.6) OER electrocatalysts synthesized by a colloidal method is reported. For x = 1.2, an alloy of Ni, Fe, and P is formed. For x = 2.4 or x = 3.6, a core-shell NiFeP@Fe3O4 structure is formed. The nanoparticles are encapsulated in a self-generated carbon layer. The carbon layer is formed during synthesis from synthesis residues. The carbon-encapsulated Ni9.6Fe2.4P5 catalyst offers the outstanding mass activity of 0.1 A mg−1 and overpotential of 220 mV at 10 mA cm−2, assigned to a combination of enhanced electrical conductivity provided by the carbon shell, a large surface area, and a high specific catalytic activity. Post-mortem characterization indicates that the carbon encapsulation remains intact under conditions of the OER. | en_US |
dc.language.iso | eng | en_US |
dc.publisher | Elsevier B. V. | en_US |
dc.rights | Navngivelse 4.0 Internasjonal | * |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/deed.no | * |
dc.title | Activity of carbon-encapsulated Ni<inf>12−x</inf>Fe<inf>x</inf>P<inf>5</inf> catalysts for the oxygen evolution reaction: Combination of high activity and stability | en_US |
dc.title.alternative | Activity of carbon-encapsulated Ni<inf>12−x</inf>Fe<inf>x</inf>P<inf>5</inf> catalysts for the oxygen evolution reaction: Combination of high activity and stability | en_US |
dc.type | Peer reviewed | en_US |
dc.type | Journal article | en_US |
dc.description.version | publishedVersion | en_US |
dc.source.volume | 643 | en_US |
dc.source.journal | Applied Catalysis A : General | en_US |
dc.identifier.doi | 10.1016/j.apcata.2022.118786 | |
dc.identifier.cristin | 2063562 | |
dc.source.articlenumber | 118786 | en_US |
cristin.ispublished | true | |
cristin.fulltext | original | |
cristin.qualitycode | 1 | |