Thermal conductivity measurement of thermochemical storage materials

Fopah-Lele, Armand; N’Tsoukpoe, Kokouvi Edem; Osterland, Thomas; Kuznik, Frédéric; Rück, Wolfgang

doi:10.1016/j.applthermaleng.2015.06.077

Cited by 51 publications

(15 citation statements)

References 35 publications

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“…10. Thermal conductivity of pure SrBr2 and the TCS composites: thermal conductivity of the pure salt in line with that reported in [30]; a five-fold increase in thermal conductivity achieved by using TCS composites.…”

Section: Resultssupporting

confidence: 87%

“…Figure 10 shows the thermal conductivity of the TCS composites. The thermal conductivity of the composite with 40% of SrBr2 is approximately five-fold higher than the pure SrBr2 and other pure salt hydrates [30,31] considered in the literature as potential candidate for thermochemical energy storage. Similarly, our TCS material shows higher thermal conductivity than composites using alluminosilicate minerals, for example zeolites, as support matrix [17].…”

Section: Resultsmentioning

confidence: 91%

See 1 more Smart Citation

Hybrid strontium bromide-natural graphite composites for low to medium temperature thermochemical energy storage: Formulation, fabrication and performance investigation

Cammarata

Verda

Sciacovelli

et al. 2018

Energy Conversion and Management

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Section: Resultssupporting

confidence: 87%

Section: Resultsmentioning

confidence: 91%

Hybrid strontium bromide-natural graphite composites for low to medium temperature thermochemical energy storage: Formulation, fabrication and performance investigation

Cammarata

Verda

Sciacovelli

et al. 2018

Energy Conversion and Management

View full text Add to dashboard Cite

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“…To do numerical calculations of PCM storages, an accurate value for the thermal conductivity of the PCM in bulk sizes that resemble the usage in full scale applications is desired. Lele et al found the importance of investigating the effective thermal conductivity of the storage material using a measuring setup representative of the considered application [27]. They found that a self-made guarded hot cartridge method gave results more representative for the real storage compared to DSC measurements.…”

Section: Applicationsmentioning

confidence: 99%

Solidification behavior and thermal conductivity of bulk sodium acetate trihydrate composites with thickening agents and graphite

Dannemand

Furbo

2016

Solar Energy Materials and Solar Cells

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“…Their studies are concerned with both experimental and numerical analyses of the performance of different TCS systems. Various aspects have been addressed in these studies, including the material selection of TCS , reaction kinetics , material properties , porosity, and material structure . A thorough review on the use of TCS in building applications is presented in Ref.…”

Section: Introductionmentioning

confidence: 99%

Modeling and assessment of a thermochemical energy storage using salt hydrates

2017

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Summary Several research studies have revealed the potential use of salt hydrates in thermal energy storage applications. These materials dissociate into anhydrous salts and release water vapor when subjected to heat source. The latter salt has the capability to store the energy that was supplied for dehydration upon heating. This thermal energy can be extracted by flowing cooler water or water vapor through the salt to obtain sensible heat that can be exploited for several applications, such as heating residential buildings during cold seasons. In this study, a numerical model that describes the overall thermochemical process of salt hydrates when being heated is developed. In comparison with previous published studies, the main contribution of the present work is to account for the impact of the temperature on the thermodynamic properties of the system. The obtained results agree well qualitatively and quantitatively with their experimental counterparts. A comparative study between three different salt hydrates, namely, the magnesium sulfate (MgSO4 ∙ 7H2O), the cupric sulfate,(CuSO4 ∙ 5H2O), and the gypsum (CaSO4 ∙ 2H2O), is conducted in order to investigate their capabilities to efficiently store thermochemical energy. The present performance analysis aims at identifying the proper salt hydrates for the intended applications. It is shown that the cupric sulfate enables the best performance in terms of efficiency (defined as the ratio of stored energy over the supplied energy), and it requires the minimum heating time to initiate the chemical reaction. Copyright © 2017 John Wiley & Sons, Ltd.

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Thermal conductivity measurement of thermochemical storage materials

Cited by 51 publications

References 35 publications

Hybrid strontium bromide-natural graphite composites for low to medium temperature thermochemical energy storage: Formulation, fabrication and performance investigation

Hybrid strontium bromide-natural graphite composites for low to medium temperature thermochemical energy storage: Formulation, fabrication and performance investigation

Solidification behavior and thermal conductivity of bulk sodium acetate trihydrate composites with thickening agents and graphite

Modeling and assessment of a thermochemical energy storage using salt hydrates

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