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Di-Alkyl adipates as new phase change material for low temperature energy storage

2023-11-04Journal article Open access
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datacite.subject.sdg07:Energias Renováveis e Acessíveispt_PT
datacite.subject.sdg09:Indústria, Inovação e Infraestruturaspt_PT
datacite.subject.sdg12:Produção e Consumo Sustentáveispt_PT
dc.contributor.authorSequeira, Maria Carolina
dc.contributor.authorNogueira, Bernardo A.
dc.contributor.authorCaetano, Fernando J. P.
dc.contributor.authorDiogo, Herminio
dc.contributor.authorFareleira, João M. N. A.
dc.contributor.authorFausto, Rui
dc.date.accessioned2024-01-05T19:00:31Z
dc.date.available2024-01-05T19:00:31Z
dc.date.issued2023-11-04
dc.description.abstractThis work is a contribution to the thermal characterization of a selected binary system of two di-n-alkyl adipates that can be used as phase change material for thermal energy storage at low temperatures. The construction of the solid–liquid phase diagram using differential scanning calorimetry (DSC), complemented with Raman Spectroscopy studies for the system composed by diethyl and dibutyl adipates is presented. The solidus and liquidus equilibrium temperatures were determined by DSC for the pure components and 30 binary mixtures at selected molar compositions were used to construct the corresponding solid–liquid phase diagram. The binary system of diethyl and dibutyl adipates presents eutectic behaviour at low temperatures. The eutectic temperature was found at 240.46 K, and the eutectic composition was determined to occur at the molar fraction xdibutyl = 0.46. Additionally, the system shows a polymorphic transition, characteristic of dibutyl adipate, occurring at ca. 238 K, confirmed by optical microscopy. To the best of our knowledge, no reference to the phase diagram of the present system could be found in the literature. Raman spectroscopy was essential to complement the construction of the phase equilibrium diagram, enabling the identification of the solid and liquid phases of the system. Finally, the liquidus curve of the phase diagram was also successfully predicted using a suitable fitting equation, being the root mean square deviation of the data from the correlation equal to 0.54 K. In addition, this fitting operation enabled a correct prediction of the eutectic composition of the system.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationSequeira, M.C.M., Nogueira, B.A., Caetano, F.J.P. et al. Di-Alkyl Adipates as New Phase Change Material for Low Temperature Energy Storage. Int J Thermophys 44, 165 (2023). https://doi.org/10.1007/s10765-023-03274-3pt_PT
dc.identifier.doi10.1007/s10765-023-03274-3pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.2/15360
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationCentro de Química Estrutural
dc.relationEquilibrium and Transport Properties of Materials for Sustainable Low Temperature Energy Storage
dc.relationCentro de Química Estrutural
dc.relationCoimbra Chemistry Center
dc.relationCoimbra Chemistry Center
dc.relation.publisherversionhttps://rdcu.be/dqh05pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectAdipatespt_PT
dc.subjectBinary phase diagrampt_PT
dc.subjectEnergy storagept_PT
dc.subjectEutecticpt_PT
dc.subjectPCMpt_PT
dc.subjectPhase change materialpt_PT
dc.subjectPolymorphismpt_PT
dc.titleDi-Alkyl adipates as new phase change material for low temperature energy storagept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleCentro de Química Estrutural
oaire.awardTitleEquilibrium and Transport Properties of Materials for Sustainable Low Temperature Energy Storage
oaire.awardTitleCentro de Química Estrutural
oaire.awardTitleCoimbra Chemistry Center
oaire.awardTitleCoimbra Chemistry Center
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00100%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/OE/UI%2FBD%2F152239%2F2021/PT
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oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F00313%2F2020/PT
oaire.citation.issue11pt_PT
oaire.citation.titleInternational Journal of Thermophysicspt_PT
oaire.citation.volume44pt_PT
oaire.fundingStream6817 - DCRRNI ID
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oaire.fundingStream6817 - DCRRNI ID
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oaire.fundingStream6817 - DCRRNI ID
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person.familyNameDiogo
person.familyNameFareleira
person.familyNameMartins Ribeiro da Silva Lourenço
person.givenNameMaria Carolina
person.givenNameBernardo
person.givenNameFernando J. P.
person.givenNameHerminio
person.givenNameJoão
person.givenNameRui Fausto
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person.identifierhttps://scholar.google.pt/citations?user=c9WkdtEAAAAJ&hl=pt-PT
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project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
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rcaap.typearticlept_PT
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