Please use this identifier to cite or link to this item: http://hdl.handle.net/10773/36437
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dc.contributor.authorSergiienko, Sergii A.pt_PT
dc.contributor.authorLopes, Daniela V.pt_PT
dc.contributor.authorConstantinescu, Gabrielpt_PT
dc.contributor.authorFerro, Marta C.pt_PT
dc.contributor.authorShchaerban, Nataliya D.pt_PT
dc.contributor.authorTursunov, Obid B.pt_PT
dc.contributor.authorShkepu, Viacheslav I.pt_PT
dc.contributor.authorPazniak, Hannapt_PT
dc.contributor.authorTabachkova, Nataliya Yu.pt_PT
dc.contributor.authorRodríguez Castellón, Enriquept_PT
dc.contributor.authorFrade, Jorge R.pt_PT
dc.contributor.authorKovalevsky, Andrei V.pt_PT
dc.date.accessioned2023-03-01T18:31:37Z-
dc.date.available2023-03-01T18:31:37Z-
dc.date.issued2021-03-23-
dc.identifier.issn0360-3199pt_PT
dc.identifier.urihttp://hdl.handle.net/10773/36437-
dc.description.abstractThis work explores the possibilities for the processing of Ni- and Ti3C2Tx (T = OH, O) MXene-containing composite electrodes, by co-pressing and plastic deformation or by etching of the electrodes prepared directly by self-propagation high-temperature synthesis (SHS). Various material design approaches were also explored. In order to tune the Ti3C2 interlayer distance in Ti3C2Al MAX phase, an introduction of additional Al to form Ti3C2Alz materials with z > 1 was attempted. Self-propagation high-temperature synthesis of powder mixtures with extra Ni and Al content (e.g. Ni:Ti:Al:C = 1:2:3:1) resulted in SHS products containing Ti3C2Alz z > 1 material and Ni–Al alloys. Further etching of these products in 10M NaOH allowed the direct formation of electrodes with active surface containing Ti3C2Tx (T = OH, O) MXene- and Raney nickel-containing composites. The electrochemical studies were focused on hydrogen evolution and showed the potential for boosting the electrochemical reaction in Ni and MXene-containing composite electrodes, especially at high current densities. The guidelines for the processing of such electrodes under fluorine-free conditions are proposed and discussed.pt_PT
dc.language.isoengpt_PT
dc.publisherElsevierpt_PT
dc.relationCENTRO-01-0145-FEDER-000005pt_PT
dc.relationinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50011%2F2020/PTpt_PT
dc.relationinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F50011%2F2020/PTpt_PT
dc.relationinfo:eu-repo/grantAgreement/EC/H2020/768788/EUpt_PT
dc.rightsembargoedAccesspt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectMXenept_PT
dc.subjectNickelpt_PT
dc.subjectHydrogen evolutionpt_PT
dc.subjectElectrocatalystspt_PT
dc.titleMXene-containing composite electrodes for hydrogen evolution: material design aspects and approaches for electrode fabricationpt_PT
dc.typearticlept_PT
dc.description.versionpublishedpt_PT
dc.peerreviewedyespt_PT
degois.publication.firstPage11636pt_PT
degois.publication.issue21pt_PT
degois.publication.lastPage11651pt_PT
degois.publication.titleInternational Journal of Hydrogen Energypt_PT
degois.publication.volume46pt_PT
dc.date.embargo2023-03-23pt_PT
dc.identifier.doi10.1016/j.ijhydene.2021.01.041pt_PT
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DEMaC - Artigos

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