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Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12128/20200
Title: The effect of surface entropy on the heat of non-wetting liquid intrusion into nanopores
Authors: Lowe, Alexander R.
Wong, William S. Y.
Tsyrin, Nikolay
Chorążewski, Mirosław
Zaki, Abdelali
Geppert-Rybczyńska, Monika
Stoudenets, Victor
Tricoli, Antonio
Faik, Abdessamad
Grosu, Yaroslav
Keywords: TES technologies; thermal energy storage (TES)
Issue Date: 2021
Citation: "Langmuir" 2021, iss. 16, s. 4827-4835
Abstract: On-demand access to renewable and environmentally friendly energy sources is critical to address current and future energy needs. To achieve this, the development of new mechanisms of efficient thermal energy storage (TES) is important to improve the overall energy storage capacity. Demonstrated here is the ideal concept that the thermal effect of developing a solid−liquid interface between a non-wetting liquid and hydrophobic nanoporous material can store heat to supplement current TES technologies. The fundamental macroscopic property of a liquid’s surface entropy and its relationship to its solid surface are one of the keys to predict the magnitude of the thermal effect by the development of the liquid−solid interface in a nanoscale nvironment driven through applied pressure. Demonstrated here is this correlation of these properties with the direct measurement of the thermal effect of non-wetting liquids intruding into hydrophobic nanoporous materials. It is shown that the model can resonably predict the heat of intrusion into rigid mesoporous silica and some microporous zeolite when the temperature dependence of the contact angle is applied. Conversely, intrusion into flexible microporous metal−organic frameworks requires further improvement. The reported results with further development have the potential to lead to the development of a new supplementary method and mechanim for TES.
URI: http://hdl.handle.net/20.500.12128/20200
DOI: 10.1021/acs.langmuir.1c00005
ISSN: 0743-7463
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