4.6 Review

Thermal Characterization of Phase Change Materials by Differential Scanning Calorimetry: A Review

Journal

APPLIED SCIENCES-BASEL
Volume 12, Issue 23, Pages -

Publisher

MDPI
DOI: 10.3390/app122312019

Keywords

phase change materials (PCM); differential scanning calorimetry (DSC); thermal energy storage (TES); latent heat; heat capacity; transition temperatures

Funding

  1. Canadian Foundation for Innovation through the John R. Evans Leaders fund [34582]

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The present work provides an extensive and comprehensive review of the calorimetric measurements of phase change materials (PCMs) using the differential scanning calorimetry (DSC) method. The study emphasizes the importance of understanding the thermal properties of PCMs in order to integrate them effectively in thermal energy storage applications.
The use of phase change materials (PCMs) in thermal energy storage (TES) applications as a system that can fill the gap between the energy supply and demand has sharply increased over recent years. Due to the dependence of the storage capacity in a TES on the transition (mostly solid/liquid) of PCMs, knowing the thermal properties of PCMs is of high importance. Calorimetric methods have an inevitable role in PCMs' characterization methods. The most important properties of PCMs that lead us to integrate them in a specific application can be determined by the calorimetric method. These properties are transition temperatures, the enthalpy of transition and the heat capacity. Among the calorimetric methods, differential scanning calorimetry (DSC) is widely available and accurate results can be obtained at a reasonable cost. Furthermore, the thermal stability of PCMs can be determined after a hundred cycles of melting and solidification. The present work proposes an extensive and comprehensive review on calorimetric measurements of PCMs via the DSC method. The objective is to highlight the relevant research with a focus on DSC characterization of PCMs. This review includes studies from 1999 to 2022 and provides a summary of the methods, results and recommendations for future measurements.

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