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Data of "Hydride Destabilization in the Ti–Nb–Cr System Through Nb/Ti Ratio Adjustment"

dc.contributor.authorDias, Gabriela Chimello Mayer
dc.contributor.authorSilva, Bruno Hessel
dc.contributor.authorMartins, Alice de Sousa
dc.contributor.authorFelderhoff, Michael
dc.contributor.authorBotta, Walter José
dc.contributor.authorZepon, Guilherme
dc.date.accessioned2024-08-28T19:54:12Z
dc.date.available2024-08-28T19:54:12Z
dc.date.issued2024-08-27
dc.identifier.citationDIAS, Gabriela Chimello Mayer; SILVA, Bruno Hessel; MARTINS, Alice de Sousa; FELDERHOFF, Michael; BOTTA, Walter José; ZEPON, Guilherme. Data of "Hydride Destabilization in the Ti–Nb–Cr System Through Nb/Ti Ratio Adjustment". Repositório Institucional da UFSCar, 2024. Dataset. Disponível em: https://repositorio.ufscar.br/handle/ufscar/20442.*
dc.identifier.urihttps://repositorio.ufscar.br/handle/ufscar/20442
dc.descriptionHydrogen stands out as a promising substitute to fossil fuels amidst growing concerns over depleting reserves and environmental impacts. However, efficient hydrogen storage remains a critical challenge for widespread application. Solid-state storage, particularly utilizing metal hydrides (MH), is a promising method for efficient storage at reduced pressures. However, to increase the efficiency of the MH-based hydrogen storage system, it becomes crucial for hydrogen desorption to occur at lower temperatures. In this context, this study explores the destabilization of the hydrides of the Ti–Nb–Cr system by decreasing the concentration of the stronger hydride-forming element, Ti, while increasing the fraction of the weaker hydride-forming element, Nb. To achieve a predominant body-centered cubic (bcc) phase, the Cr content was maintained below 35 at. %. Four compositions were studied, namely Ti1.0Nb1.0Cr1.0, Ti0.8Nb1.4Cr1.0, Ti0.6Nb1.8Cr1.0, and Ti0.4Nb2.2Cr1.0. The alloys were synthesized via arc melting and predominantly consist of bcc phase with a fraction of C15 Laves Phase. All alloys exhibited rapid absorption kinetics at 25 °C and reversible hydrogen storage at 100 °C, with reversible capacities of 1.31, 1.25, 1.25, and 1.08 wt %, as the Nb/Ti ratio increases. Notably, only the Ti0.4Nb2.2Cr1.0 exhibited reversibility at 25 °C, with a reversible capacity of 1.22 wt %. Pressure–Composition–Temperature diagrams revealed that increasing the Nb/Ti ratio led to higher plateau pressures, reaching almost 1 bar in absorption for the Ti0.4Nb2.2Cr1.0 alloy. Moreover, thermal analysis measurements revealed that the enthalpy of desorption becomes less positive as the Nb/Ti ratio increases, providing evidence of the destabilization of the hydrides.eng
dc.description.sponsorshipOutrapor
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)por
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)por
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)por
dc.language.isoporpor
dc.publisherUniversidade Federal de São Carlospor
dc.relation.urihttps://doi.org/10.1021/acsaem.4c01167por
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Brazil*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/br/*
dc.subjectHydrogen storageeng
dc.subjectMetal hydrideseng
dc.subjectMulticomponent alloyseng
dc.subjectTi-Nb-Crpor
dc.subjectDestabilizationeng
dc.titleData of "Hydride Destabilization in the Ti–Nb–Cr System Through Nb/Ti Ratio Adjustment"eng
dc.title.alternativeDados de "Desestabilização de hidretos do sistema Ti-Nb-Cr por meio do ajuste da razão Nb/Ti"por
dc.typeDatasetpor
dc.publisher.initialsUFSCarpor
dc.publisher.programPrograma de Pós-Graduação em Ciência e Engenharia de Materiais - PPGCEMpor
dc.subject.cnpqENGENHARIAS::ENGENHARIA DE MATERIAIS E METALURGICA::METALURGIA FISICApor
dc.description.sponsorshipIdProcesso n° 2022/06719-6, Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)por
dc.description.sponsorshipIdProcesso n° 2023/02732-0, BEPE/FAPESPpor
dc.description.sponsorshipIdProcesso n° 88887.704446/2022-00, Coordenação de Aperfeiçoamento de Pessoal Nível Superior (CAPES)por
dc.description.sponsorshipIdProcesso n° Serra-1709-17362, Instituto Serrapilheirapor
dc.description.sponsorshipIdProcesso n° 309467/2021-7, Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)por
dc.description.sponsorshipIdProcesso n° 407906/2022-3, Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)por
dc.description.sponsorshipIdProcesso n° FINEP 01.22.0177.00, Financiadora de Estudos e Projetos (FINEP)por
dc.publisher.addressCâmpus São Carlospor
dc.contributor.authorlatteshttp://lattes.cnpq.br/7085380229734116por
dc.contributor.authorlatteshttp://lattes.cnpq.br/6735270859581901por
dc.contributor.authorlatteshttp://lattes.cnpq.br/3488830080839093por
dc.contributor.authorlatteshttp://lattes.cnpq.br/8956458007749112por
dc.contributor.authorlatteshttp://lattes.cnpq.br/7924187202036614por
dc.publisher.departmentCentro de Ciências Exatas e de Tecnologia - CCETpor
dc.contributor.authororcidhttps://orcid.org/0000-0001-9526-3943por


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