2D-axisymmetrical modeling and experimental study of hydrogen absorption in copper coated metal hydride

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dc.authoridTimurkutluk, Bora/0000-0001-6916-7720
dc.authoridToros, Serkan/0000-0003-0438-2862
dc.authoridAtalmis, Gamze/0000-0002-2392-7672
dc.contributor.authorAtalmis, Gamze
dc.contributor.authorToros, Serkan
dc.contributor.authorTimurkutluk, Bora
dc.contributor.authorKaplan, Yuksel
dc.date.accessioned2024-11-07T13:24:56Z
dc.date.available2024-11-07T13:24:56Z
dc.date.issued2023
dc.departmentNiğde Ömer Halisdemir Üniversitesi
dc.description.abstractThe storage of hydrogen in metal hydride reactors is examined experimentally and numerically in this paper. In this respect, as-received LaNi5 powders are coated with different amounts of copper by using copper sulphate solution to accelerate the hydrogen charging processes. The thermal conductivity of the copper-coated storage material is found to reach up to 8 times of the uncoated powders. A two-dimensional axisymmetric model regarding complex heat and mass transfer occurring during hydrogen charging process in metal hydride reactors is numerically solved at macro level. The developed model is validated by using experimental data related to the amount of hydrogen stored and the reactor temperatures. In accordance with the experimental results, the simulation results show that more homogenous temperature distribution in the reactor can be obtained with the copper coating due to improved thermal properties. Moreover, charging time is also improved by the copper coating. However, since the reactor is loaded with coated/uncoated LaNi5 powders at the same weight of 65 g, the total amount of hydrogen stored decreases with the copper coating due to reduced amount of LaNi5. (c) 2023 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
dc.description.sponsorshipScientific and Technical Research Council of Turkey (TUBITAK) [121M529]; Council of Higher Education (YOK)
dc.description.sponsorshipThe authors would like to thank The Scientific and Technical Research Council of Turkey (TUBITAK) for the financial support under contract number 121M529. 100/2000 Ph.D. Scholarship Program governed by Council of Higher Education (YOK) is also acknowledged.
dc.identifier.doi10.1016/j.ijhydene.2023.06.091
dc.identifier.endpage38411
dc.identifier.issn0360-3199
dc.identifier.issn1879-3487
dc.identifier.issue97
dc.identifier.scopus2-s2.0-85163860775
dc.identifier.scopusqualityQ1
dc.identifier.startpage38400
dc.identifier.urihttps://doi.org/10.1016/j.ijhydene.2023.06.091
dc.identifier.urihttps://hdl.handle.net/11480/14406
dc.identifier.volume48
dc.identifier.wosWOS:001107040600001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherPergamon-Elsevier Science Ltd
dc.relation.ispartofInternational Journal of Hydrogen Energy
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241106
dc.subjectMetal hydride reactor
dc.subjectHydrogen storage
dc.subjectHydrogen absorption kinetics
dc.subjectCopper coated powders
dc.subjectAxisymmetrical model
dc.title2D-axisymmetrical modeling and experimental study of hydrogen absorption in copper coated metal hydride
dc.typeArticle

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