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Título : | Feasibility of Storing Latent Heat with Liquid Crystals. Proof of Concept at Lab Scale |
Autor : | Bayón, Rocío Coco, Siverio Barcenilla, María Espinet, Pablo Imbuluzqueta, Gorka Hidalgo, Jokin Rojas, Esther |
Palabras clave : | thermal storage liquid crystals phase change materials |
Fecha de publicación : | 25-abr-2016 |
Editorial : | MDPI |
Citación : | Rocío Bayón et al. Appl. Sci. 2016, 6, 121; doi:10.3390/app6050121 |
Resumen : | In this work, the first experimental results of thermotropic liquid crystals used as phase
change materials for thermal storage are presented. For that purpose, the n = 10 derivative from
the family of 41-n-alkoxybiphenyl-4-carboxylic acids has been prepared. Different techniques
like polarized-light microscopy, differential scanning calorimetry, thermogravimetric analysis and
rheological measurements have been applied for its characterization. Having a mesophase/isotropic
transition temperature around 251 C, a clearing enthalpy of 55 kJ/kg, a thermal heat capacity
of around 2.4 kJ/kg and a dynamic viscosity lower than 0.6 Pas, this compound fulfills the main
requirements for being considered as latent heat storage material. Although further studies on
thermal stability are necessary, the results already obtained are both promising and encouraging since
they demonstrate de viability of this new application of liquid crystals as thermal storage media. |
URI : | http://documenta.ciemat.es/handle/123456789/2204 |
ISSN : | 2076-3417 |
Aparece en las colecciones: | Artículos de Energía
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