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Nickel ferrite supported on calcium-stabilized zirconia for solar hydrogen production by two-step thermochemical water splitting

AuthorsReñones, Patricia; Álvarez Galván, María Consuelo ; Ruiz-Matas, Laura; Retuerto, María ; Navarro Yerga, Rufino Manuel ; Fierro, José Luis G.
KeywordsHydrogen production
Two-step thermochemical water splitting
Nickel ferrite
Calcium-stabilized zirconia
Issue Date2017
PublisherElsevier BV
CitationMaterials Today Energy 6: 248- 254 (2017)
Abstract[EN] Solar hydrogen production by thermochemical cycles from water using oxide redox pairs represents a promising technology at medium-long term to storage intermittent solar irradiation. Redox oxides based on nickel ferrite supported on modified zirconia have been prepared and studied for renewable H production from water by two-step thermochemical cycles. We report herewith a new material based on nickel ferrite supported on Ca-doped zirconia substrate that presents high efficiency for hydrogen production, which is ascribed to a high active phase dispersion promoted by the inclusion of part of Fe cations in the support lattice and by the formation of calcium zirconate, acting as a physical barrier that hinders sintering.
Publisher version (URL)http://dx.doi.org/10.1016/j.mtener.2017.10.007
Identifiersdoi: 10.1016/j.mtener.2017.10.007
issn: 2468-6069
Appears in Collections:(ICP) Artículos
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