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dc.contributor.authorWen, S
dc.contributor.authorChen, G
dc.contributor.authorChen, W
dc.contributor.authorLi, M
dc.contributor.authorOuyang, B
dc.contributor.authorWang, X
dc.contributor.authorChen, D
dc.contributor.authorGong, T
dc.contributor.authorZhang, X
dc.contributor.authorHuang, J
dc.contributor.authorOstrikov, K
dc.date.accessioned2021-07-02T01:34:51Z
dc.date.available2021-07-02T01:34:51Z
dc.date.issued2021
dc.identifier.issn2050-7488
dc.identifier.doi10.1039/d1ta00372k
dc.identifier.urihttp://hdl.handle.net/10072/405614
dc.description.abstractNanostructured trimetallic phosphide electrocatalysts are promising for H2and O2evolution reactions (HER/OER) that are actively pursued nowadays to achieve commercial hydrogen production. Herein, a dual-functional Nb-doped NiFe phosphide nanosheet catalyst with a low cost and high stability was successfully prepared on nickel foam (NF) pretreated with dielectric barrier discharge (DBD) plasmas (PNF) operated under ambient conditions. The resulting Ni12P5-Fe2P-NbP layered nanosheets on the PNF show exceptional catalytic performances, evidenced by their low overpotentials for delivering current densities of 100 and 400 mA cm−2(j100/j400) of only 178 and 265 mV for the HER, and 280 and 330 mV for the OER, as well as the small Tafel slope values of 52 (HER) and 59 (OER) mV dec−1, respectively. The catalyst also exhibits a good electrocatalytic durability and stability during 100 h continuous HER and OER tests atj300. Moreover, the current densities of 10 and 100 mA cm−2are achieved at low cell voltages of 1.51 and 1.65 V, thus outperforming most of the reported electrocatalysts in two-electrode alkaline water electrolyzers. Numerical simulation analysis shows that the Ni and Nb atoms in the Ni12P5-Fe2P-NbP nanostructures are the key factors responsible for the achieved excellent performance in water electrolysis.
dc.description.peerreviewedYes
dc.languageen
dc.publisherRoyal Society of Chemistry (RSC)
dc.relation.ispartofpagefrom9918
dc.relation.ispartofpageto9926
dc.relation.ispartofissue15
dc.relation.ispartofjournalJournal of Materials Chemistry A
dc.relation.ispartofvolume9
dc.subject.fieldofresearchMacromolecular and Materials Chemistry
dc.subject.fieldofresearchMaterials Engineering
dc.subject.fieldofresearchInterdisciplinary Engineering
dc.subject.fieldofresearchcode0303
dc.subject.fieldofresearchcode0912
dc.subject.fieldofresearchcode0915
dc.titleNb-doped layered FeNi phosphide nanosheets for highly efficient overall water splitting under high current densities
dc.typeJournal article
dc.type.descriptionC1 - Articles
dcterms.bibliographicCitationWen, S; Chen, G; Chen, W; Li, M; Ouyang, B; Wang, X; Chen, D; Gong, T; Zhang, X; Huang, J; Ostrikov, K, Nb-doped layered FeNi phosphide nanosheets for highly efficient overall water splitting under high current densities, Journal of Materials Chemistry A, 2021, 9 (15), pp. 9918-9926
dc.date.updated2021-07-02T01:33:36Z
gro.hasfulltextNo Full Text
gro.griffith.authorOstrikov, Ken


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