Effect of D-mannitol polymorphism in its thermal energy storage capacity when it is used as PCM

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dc.contributor.authorBarreneche Güerisoli, Camila
dc.contributor.authorSeth, Falguni
dc.contributor.authorFernández Renna, Ana Inés
dc.contributor.authorCabeza, Luisa F.
dc.date.accessioned2015-02-09T08:09:42Z
dc.date.embargoEndDate2025-01-01
dc.date.issued2013
dc.description.abstractThe main objective of this paper is to study the possible use of D-mannitol as phase change material (PCM) for thermal energy storage. PCM are materials that have high phase change enthalpy and this thermophysical property gives them the ability to store energy as latent heat. D-mannitol is a material which has different morphological phases (polymorphism); here were studied b-form and d-form. Different polymorphic forms produce changes on melting point of D-mannitol. For this reason it is necessary to establish a suitable working temperature range for the use of D-mannitol as phase change material. The thermal characterization was performed with DSC analysis using 0.5 K min-1 slow-dynamic method. Polymorphism analysis of D-mannitol was analyzed to associate the thermal behavior obtained by DSC with a specific polymorphic phase. D-mannitol presented three different thermal behaviors: the first one had a melting peak at 167 ºC, the second was a double melting peak at 155 ºC and 166 ºC, and the third a single peak at 155 ºC. Due to irregular results, two working range were studied and through the thermal characterization, it was possible to define a working range where Dmannitol could be used as PCM for energy storage: this range is between 135 and 175 ºC. Furthermore, it was possible to differentiate two crystalline phases of D-mannitol applying FT-IR analysis and to link them with thermal behavior observed in DSC. The percentage of times each thermal behavior is observed in DSC analysis was calculated. d-form is obtained 15.8% of analyzed cycles, the b-form appears 44.7% of times, and an intermediate transition between the two phases is found 39.5% of cycles.ca_ES
dc.description.sponsorshipThe work is partially funded by the Spanish government (ENE2011-22722) and the European Union (COST Action TU0802). The authors would like to thank the Catalan Government for the quality accreditation given to their research group GREA (2009 SGR 534) and research group DIOPMA (2009 SGR 645). A. Gil would like to thank the Col•legi d’Enginyers Industrials de Catalunya for his research appointment.
dc.identifier.doihttps://doi.org/10.1016/j.solener.2013.05.023
dc.identifier.idgrec019652
dc.identifier.issn0038-092X
dc.identifier.urihttp://hdl.handle.net/10459.1/47890
dc.language.isoengca_ES
dc.publisherElsevierca_ES
dc.relationinfo:eu-repo/grantAgreement/MICINN//ENE2011-22722/ES/EL ALMACENAMIENTO DE ENERGIA TERMICA COMO HERRAMIENTA DE MEJORA DE LA EFICIENCIA ENERGETICA EN LA INDUSTRIA/
dc.relation.isformatofReproducció del document publicat a https://doi.org/10.1016/j.solener.2013.05.023ca_ES
dc.relation.ispartofSolar Energy, 2013, vol. 94, p. 344-351ca_ES
dc.rights(c) Elsevier, 2013ca_ES
dc.rights.accessRightsinfo:eu-repo/semantics/restrictedAccessca_ES
dc.subjectPhase change materialsca_ES
dc.subjectThermal energy storageca_ES
dc.subjectD-Mannitolca_ES
dc.titleEffect of D-mannitol polymorphism in its thermal energy storage capacity when it is used as PCMca_ES
dc.typearticleca_ES
dc.type.versionpublishedVersionca_ES
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