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dc.creatorMilikić, Jadranka
dc.creatorVasić, Milica M.
dc.creatorAmaral, Luis
dc.creatorCvjetićanin, Nikola
dc.creatorJugović, Dragana
dc.creatorHercigonja, Radmila
dc.creatorŠljukić, Biljana
dc.date.accessioned2018-12-17T17:20:20Z
dc.date.available2020-09-07
dc.date.issued2018
dc.identifier.issn0360-3199
dc.identifier.urihttps://dais.sanu.ac.rs/123456789/4588
dc.description.abstractNiA and NiX zeolites were prepared and characterised using XRD, FTIR and SEM, and subsequently tested as electrodes for hydrogen (HER) and oxygen (OER) evolution reactions in alkaline media. Linear sweep voltammetry and chronoamperometry techniques showed that NiA has higher catalytic activity for these two reactions, as evidenced by higher current densities, which can be correlated with a higher weight fraction of Ni in this electrocatalyst than in the NiX and with its higher conductivity. HER and OER kinetic parameters, including Tafel slope, exchange current density and apparent activation energy were evaluated. Electrochemical impedance spectroscopy analysis yielded values of the resistance of the solution, charge transfer and mass transfer, as well as double layer capacitance and pseudo-capacitance of the working electrode, at different potentials and temperatures. Unlike the HER, during which the mass transfer resistance of the adsorbed intermediate is dominant in the case of NiA, the OER impedance response is controlled by the charge transfer process itself at the potentials of interest for these process. The overall resistance related to the HER is lower for NiA than for NiX. © 2018 Hydrogen Energy Publications LLCen
dc.publisherElsevier
dc.relationinfo:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172043/RS//
dc.relationinfo:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172015/RS//
dc.relationinfo:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45014/RS//
dc.relationFundação para a Ciência e Tecnologia, Portugal for postdoctoral research grant SFRH/BPD/97453/2013
dc.rightsembargoedAccess
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.sourceInternational Journal of Hydrogen Energy
dc.subjectalkaline water electrolysis
dc.subjecthydrogen evolution reaction
dc.subjectNiA zeolite
dc.subjectNiX zeolite
dc.subjectoxygen evolution reaction
dc.titleNiA and NiX zeolites as bifunctional electrocatalysts for water splitting in alkaline mediaen
dc.typearticleen
dc.rights.licenseBY-NC-ND
dcterms.abstractAмарал, Луис; Цвјетићанин, Никола; Југовић, Драгана; Херцигоња, Радмила; Шљукић, Биљана; Миликић, Јадранка; Васић, Милица М.;
dc.citation.spage18977
dc.citation.epage18991
dc.citation.volume43
dc.citation.issue41
dc.identifier.wos000447482900023
dc.identifier.doi10.1016/j.ijhydene.2018.08.063
dc.identifier.scopus2-s2.0-85052943510
dc.type.versionacceptedVersion
dc.identifier.fulltexthttps://dais.sanu.ac.rs/bitstream/id/14347/Sljukic-IJHE-Manuscript-revision.pdf
dc.identifier.rcubhttps://hdl.handle.net/21.15107/rcub_dais_4588


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