Improved thermal energy storage of nanoencapsulated phase change materials by atomic layer deposition
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Other documents of the author: Navarrete Argilés, Nuria; La Zara, Damiano; Goulas, Aristeidis; Valdesueiro, David; Hernandez, Leonor; van Ommen, J. Ruud; Mondragon, Rosa
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comunitat-uji-handle2:10234/7035
comunitat-uji-handle3:10234/8617
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Title
Improved thermal energy storage of nanoencapsulated phase change materials by atomic layer depositionAuthor (s)
Date
2020-03-31Publisher
ElsevierISSN
0927-0248; 1879-3398Bibliographic citation
NAVARRETE, Nuria, et al. Improved thermal energy storage of nanoencapsulated phase change materials by atomic layer deposition. Solar Energy Materials and Solar Cells, 2020, vol. 206, p. 110322Type
info:eu-repo/semantics/articlePublisher version
https://www.sciencedirect.com/science/article/pii/S0927024819306506Version
info:eu-repo/semantics/acceptedVersionSubject
Abstract
Renewable energy has become of great interest over the past years in order to mitigate
Global Warming. One of the actions gaining attention is the enhancement of the thermal
energy storage capacity of Concentrated ... [+]
Renewable energy has become of great interest over the past years in order to mitigate
Global Warming. One of the actions gaining attention is the enhancement of the thermal
energy storage capacity of Concentrated Solar Power plants. The addition of
nanoencapsulated phase change materials (core-shell nanoparticles) to the already used
materials has been proposed for that purpose, due to the possibility of increasing
thermal storage through the contribution of both core latent heat and sensible heat. In
this work, Atomic Layer Deposition has been used to synthesise SiO2 and Al2O3
nanoscale coatings on tin nanoparticles. The multi-encapsulated phase change materials
have been characterised in terms of chemical composition, crystalline structure, particle
size, thermal stability and thermal storage capacity. Sn@Al2O3 nanoparticles present the
best thermal behaviour as they show the lowest reduction in the phase change enthalpy
over 100 cycles due to the oxidation barrier of the coating. Moreover, the specific heat
of both nanoparticles and solar salt-based nanofluids is increased, making the
nanoencapsulated phase change material suitable for thermal energy storage
applications. [-]
Is part of
Solar Energy Materials and Solar Cells, 2020, vol. 206, p. 110322Investigation project
The authors want to thank the financial support from Ministerio de Economía y Competitividad (MINECO) (project ENE2016-77694-R) and Universitat Jaume I (project UJI-B2016-47). Nuria Navarrete thanks Universitat Jaume I for a pre-doctoral fellowship (Ref. PREDOC/2016/28) and a research mobility grant (Ref. E-2018-10) that made possible the research carried out in this work. Authors thank Servicios Centrales de Instrumentacion Científica (SCIC) of Universitat Jaume I for the use of TEM (Maria del Carmen Peiro), FT-IR (José Miguel Pedra), XRD (Gabriel Peris), TGA and DSC (Cristina Zahonero). This work has been developed by participants of the COST Action CA15119 Overcoming Barriers to Nanofluids Market Uptake (NANOUPTAKE).Rights
info:eu-repo/semantics/openAccess
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