Evaluation of hydrogen storage performance of ZrTiVNiCrFe in electrochemical and gas-solid reactions

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dc.authoridEckert, Jurgen/0000-0003-4112-3181
dc.authoridZadorozhnyy, Mikhail/0000-0001-8776-0595
dc.authoridKetov, Sergey/0000-0002-6002-603X
dc.authoridSarac, Baran/0000-0002-0130-3914
dc.authoridKlyamkin, Semen/0000-0001-6009-1045
dc.authoridGammer, Christoph/0000-0003-1917-4978
dc.authoridLassnig, Alice/0000-0001-6471-1635
dc.contributor.authorZadorozhnyy, V
dc.contributor.authorSarac, B.
dc.contributor.authorBerdonosova, E.
dc.contributor.authorKarazehir, T.
dc.contributor.authorLassnig, A.
dc.contributor.authorGammer, C.
dc.contributor.authorZadorozhnyy, M.
dc.date.accessioned2025-01-06T17:43:39Z
dc.date.available2025-01-06T17:43:39Z
dc.date.issued2020
dc.description22nd World Hydrogen Energy Conference (WHEC) -- JUN 17-22, 2018 -- Rio de Janeiro, BRAZIL
dc.description.abstractIn the present study, the hydrogen storage performance of multi-principal-component ZrTiVNiCrFe alloy produced through rapid solidification has been examined by electro-chemical methods and gas-solid reactions. XRD and EBSD analyses reveal the hexagonal Laves phase structure (type C14) with average grain size of 300 nm and root-mean-square microstrain of 0.19%. Cyclic voltammetry and electrochemical impedance spectroscopy analyses in the hydrogen sorption/desorption region give insight to the sorption/desorption kinetics and the change in the desorption charge in terms of the applied potential. The pressure-composition isotherms measured in course of gas-solid reaction confirm the hydrogen storage capacity reaching 1.6 wt% at the first hydrogenation at room temperature, then reducing to 1.3-1.4% during subsequent cycling. According to the calorimetric titration study, there is a significant hysteresis primarily caused by the non-equilibrium character of the hydrogenation process. (C) 2019 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
dc.description.sponsorshipRussian Science Foundation [19-13-00207]; European Research Council under the ERC Advanced Grant INTELHYB [ERC-2013-ADG-340025]; Russian Science Foundation [19-13-00207] Funding Source: Russian Science Foundation
dc.description.sponsorshipThe authors gratefully acknowledge the financial support by the Russian Science Foundation, project no. 19-13-00207. Additional support was provided through the European Research Council under the ERC Advanced Grant INTELHYB, grant number: ERC-2013-ADG-340025.
dc.identifier.doi10.1016/j.ijhydene.2019.06.157
dc.identifier.endpage5355
dc.identifier.issn0360-3199
dc.identifier.issn1879-3487
dc.identifier.issue8
dc.identifier.scopus2-s2.0-85069461300
dc.identifier.scopusqualityQ1
dc.identifier.startpage5347
dc.identifier.urihttps://doi.org/10.1016/j.ijhydene.2019.06.157
dc.identifier.urihttps://hdl.handle.net/20.500.14669/2760
dc.identifier.volume45
dc.identifier.wosWOS:000518699600023
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherPergamon-Elsevier Science Ltd
dc.relation.ispartofInternational Journal of Hydrogen Energy
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241211
dc.subjectMulticomponent alloys
dc.subjectHydrogen storage
dc.subjectCyclic voltammetry
dc.subjectGas-solid reactions
dc.subjectHydride calorimetry
dc.subjectRapid solidification
dc.titleEvaluation of hydrogen storage performance of ZrTiVNiCrFe in electrochemical and gas-solid reactions
dc.typeConference Object

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