On the relationship between the specific heat enhancement of salt-based nanofluids and the ionic exchange capacity of nanoparticles

Mondragon, Rosa; Juliá Bolívar, José Enrique; Cabedo, Luis; Navarrete Argilés, Nuria

dc.contributor.author	Mondragon, Rosa
dc.contributor.author	Juliá Bolívar, José Enrique
dc.contributor.author	Cabedo, Luis
dc.contributor.author	Navarrete Argilés, Nuria
dc.date.accessioned	2018-06-12T18:04:18Z
dc.date.available	2018-06-12T18:04:18Z
dc.date.issued	2018
dc.identifier.citation	MONDRAGÓN, Rosa, et al. On the relationship between the specific heat enhancement of salt-based nanofluids and the ionic exchange capacity of nanoparticles. Scientific reports, 2018, 8.1: 7532	ca_CA
dc.identifier.issn	2045-2322
dc.identifier.uri	http://hdl.handle.net/10234/175121
dc.description.abstract	Nanoparticles have been used in thermal applications to increase the specific heat of the molten salts used in Concentrated Solar Power plants for thermal energy storage. Although several mechanisms for abnormal enhancement have been proposed, they are still being investigated and more research is necessary. However, this nanoparticle-salt interaction can also be found in chemical applications in which nanoparticles have proved suitable to be used as an adsorbent for nitrate removal given their high specific surface, reactivity and ionic exchange capacity. In this work, the ionic exchange capacity mechanism for the nanoparticles functionalization phenomenon was evaluated. The ionic exchange capacity of silica and alumina nanoparticles dispersed in lithium, sodium and potassium nitrates was measured. Fourier-transform infrared spectroscopy tests confirmed the adsorption of nitrate ions on the nanoparticle surface. A relationship between the ionic exchange capacity of nanoparticles and the specific heat enhancement of doped molten salts was proposed for the first time.	ca_CA
dc.format.extent	12 p.	ca_CA
dc.format.mimetype	application/pdf	ca_CA
dc.language.iso	eng	ca_CA
dc.publisher	Nature Publishing Group	ca_CA
dc.relation.isPartOf	Scientific reports, 2018, 8.1: 7532	ca_CA
dc.rights	© The Author(s) 2018 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.	ca_CA
dc.rights	Atribución 4.0 Internacional	*
dc.rights.uri	http://creativecommons.org/licenses/by-sa/4.0/	*
dc.subject	energy storage	ca_CA
dc.subject	nanoscale materials	ca_CA
dc.title	On the relationship between the specific heat enhancement of salt-based nanofluids and the ionic exchange capacity of nanoparticles	ca_CA
dc.type	info:eu-repo/semantics/article	ca_CA
dc.identifier.doi	https://doi.org/10.1038/s41598-018-25945-0
dc.relation.projectID	This work has been partially funded by Universitat Jaume I through the project UJI-B2016-47 and Ministerio de Economía y Competitividad (MINECO) though the project ENE2016-77694-R. Nuria Navarrete thanks Universitat Jaume I for a pre-doctoral fellowship (FPI-UJI program) Ref. PREDOC/2016/28. Authors thank Servicios Centrales de Instrumentacion Científica (SCIC) of Universitat Jaume I for the use of DSC (Cristina Zahonero) and FTIR (Jose Miguel Pedra).	ca_CA
dc.rights.accessRights	info:eu-repo/semantics/openAccess	ca_CA
dc.relation.publisherVersion	https://www.nature.com/articles/s41598-018-25945-0#article-info	ca_CA
dc.type.version	info:eu-repo/semantics/publishedVersion	ca_CA

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© The Author(s) 2018

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.

Excepto si se señala otra cosa, la licencia del ítem se describe como: © The Author(s) 2018 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.