Thermal stability of phase change materials used in latent heat energy storage systems: A review

Manish K. Rathod and Jyotirmay Banerjee

Renewable and Sustainable Energy Reviews, 2013, vol. 18, issue C, 246-258

Abstract: Successful utilization of the latent heat energy storage system depends considerably on the thermal reliability and stability of the phase change materials (PCMs) used. Thermal stability of phase change material can be established by measuring the thermo-physical properties of the PCM after a number of repeated thermal cycles. A comprehensive knowledge of thermal stability of the PCMs as functions of number of repeated thermal cycles is essential to ensure the long-term performance and economic feasibility of the latent heat storage systems. In this paper, a detailed review is reported for thermal stability of different groups of PCMs. The PCMs are categorized as organic (paraffins and non-paraffins), inorganic (salt hydrates and metallics) and eutectics (organic eutectics and inorganic eutectics). Further, a broad database of different PCMs is developed for which thermal cycling tests were carried out by different researchers and reported in the literature. Some conclusions are derived after critical evaluation of thermal stability of different groups of PCMs. This review will assist to identify the most reliable PCM to be used for a particular application of latent heat energy storage system.

Keywords: Phase change material (PCM); Thermal reliability; Latent heat thermal storage (LHTS); Digital scanning calorimeter (DSC) (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (66)

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DOI: 10.1016/j.rser.2012.10.022

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