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Solid–liquid phase equilibrium of the n-Nonane + n-Undecane system for low-temperature thermal energy storage

2024-07-30Journal article Open access
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datacite.subject.fosEngenharia e Tecnologia::Engenharia Química
datacite.subject.sdg07:Energias Renováveis e Acessíveis
datacite.subject.sdg09:Indústria, Inovação e Infraestruturas
dc.contributor.authorNikitin, Timur
dc.contributor.authorSequeira, Maria Carolina
dc.contributor.authorCaetano, Fernando J. P.
dc.contributor.authorFareleira, João M. N. A.
dc.contributor.authorFausto , Rui
dc.contributor.authorDiogo, Herminio
dc.date.accessioned2025-01-28T11:16:47Z
dc.date.available2025-01-28T11:16:47Z
dc.date.issued2024-07-30
dc.description.abstractThe current article presents an exploration of the solid–liquid phase diagram for a binary system comprising n-alkanes with an odd number of carbon atoms, specifically n-nonane (n-C9) and n-undecane (n-C11). This binary system exhibits promising characteristics for application as a phase change material (PCM) in low-temperature thermal energy storage (TES), due to the fusion temperatures of the individual components, thereby motivating an in-depth investigation of the solid–liquid phase diagram of their mixtures. The n-nonane (n-C9) + n-undecane (n-C11) solid–liquid phase equilibrium study herein reported includes the construction of the phase diagram using Differential Scanning Calorimetry (DSC) data, complemented with Hot–Stage Microscopy (HSM) and low-temperature Raman Spectroscopy results. From the DSC analysis, both the temperature and the enthalpy of solid–solid and solid–liquid transitions were obtained. The binary system n-C9 + n-C11 has evidenced a congruent melting solid solution at low temperatures. In particular, the blend with a molar composition xundecane = 0.10 shows to be a congruent melting solid solution with a melting point at 215.84 K and an enthalpy of fusion of 13.6 kJ·mol–1. For this reason, this system has confirmed the initial signs to be a candidate with good potential to be applied as a PCM in low-temperature TES applications. This work aims not only to contribute to gather information on the solid–liquid phase equilibrium on the system n-C9 + n-C11, which presently are not available in the literature, but especially to obtain essential and practical information on the possibility to use this system as PCM at low temperatures. The solid–liquid phase diagram of the system n-C9 + n-C11 is being published for the first time, as far as the authors are aware.por
dc.identifier.citationSequeira, M.C.M., Nikitin, T., Caetano, F.J.P. et al. Solid–Liquid Phase Equilibrium of the n-Nonane + n-Undecane System for Low-Temperature Thermal Energy Storage. Int J Thermophys 45, 117 (2024). https://doi.org/10.1007/s10765-024-03411-6
dc.identifier.doi10.1007/s10765-024-03411-6
dc.identifier.urihttp://hdl.handle.net/10400.2/19415
dc.language.isoeng
dc.peerreviewedyes
dc.publisherSpringer Nature
dc.relationFundação para a Ciência e a Tecnologia (FCT) - UIDB/00100/2020 (https://doi.org/10.54499/UIDB/00100/2020)
dc.relationFundação para a Ciência e a Tecnologia (FCT) - UIDB/00313/2020 (https://doi.org/10.54499/UIDB/00313/2020)
dc.relationFundação para a Ciência e a Tecnologia (FCT) - UIDP/00100/2020 (https://doi.org/10.54499/UIDP/00100/2020)
dc.relationIMS-LA/P/0056/2020UIDB/00100/2020 (https://doi.org/10.54499/LA/P/0056/2020)
dc.relationFundação para a Ciência e a Tecnologia (FCT) - UI/BD/152239/2021 (https://doi.org/10.54499/UI/BD/152239/2021)
dc.relation.hasversionhttps://doi.org/10.1007/s10765-024-03411-6
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectEnergy storage
dc.subjectLow temperature
dc.subjectOdd n-alkanes
dc.subjectPhase change material (PCM)
dc.subjectSolid–liquid phase diagram
dc.titleSolid–liquid phase equilibrium of the n-Nonane + n-Undecane system for low-temperature thermal energy storageeng
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue117
oaire.citation.titleInternational Journal of Thermophysics
oaire.citation.volume45
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameSequeira
person.familyNameCaetano
person.familyNameFareleira
person.familyNameMartins Ribeiro da Silva Lourenço
person.familyNameDiogo
person.givenNameMaria Carolina
person.givenNameFernando J. P.
person.givenNameJoão
person.givenNameRui Fausto
person.givenNameHerminio
person.identifierhttps://scholar.google.pt/citations?user=c9WkdtEAAAAJ&hl=pt-PT
person.identifier.ciencia-idFF16-CEAC-461C
person.identifier.ciencia-idDE17-708E-317F
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person.identifier.ciencia-idC214-FA2C-778B
person.identifier.ciencia-id6613-74F0-0CC2
person.identifier.orcid0000-0002-9746-2281
person.identifier.orcid0000-0002-6821-1694
person.identifier.orcid0000-0002-8442-9386
person.identifier.orcid0000-0002-8264-6854
person.identifier.orcid0000-0002-0808-1306
person.identifier.ridH-8325-2012
person.identifier.ridH-8246-2012
person.identifier.scopus-author-id57209026585
person.identifier.scopus-author-id7004474824
person.identifier.scopus-author-id6603840268
person.identifier.scopus-author-id7004333128
person.identifier.scopus-author-id6603795027
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