- Title
- Medium- and high-temperature latent heat thermal energy storage: material database, system review, and corrosivity assessment
- Creator
- Zhou, Cheng; Wu, Sike
- Relation
- International Journal of Energy Research Vol. 43, Issue 2, p. 621-661
- Publisher Link
- http://dx.doi.org/10.1002/er.4216
- Publisher
- John Wiley & Sons
- Resource Type
- journal article
- Date
- 2019
- Description
- Latent heat thermal energy storage refers to the storage and recovery of the latent heat during the melting/solidification process of a phase change material (PCM). Among various PCMs, medium‐ and high‐temperature candidates are attractive due to their high energy storage densities and the potentials in achieving high round trip efficiency. Although a few review studies on high‐temperature PCMs have emerged in the past few years, the quantity, completeness, and accuracy of the presented data are relatively poor. Also, an efficient indexing methodology for retrieving useful PCM data is missing in the open literature. In this article, we created an up‐to‐date PCM database following a holistic review of the PCMs in medium‐ and high‐temperature applications over a temperature range of 100°C to 1680°C. Such effort then allows us to develop an accurate indexing tool for the fast selection of suitable PCM candidates and extraction of the related property data. More specifically, the created PCM database covers 496 entries of PCM materials, which are extracted from the scattered research works published during the year 1956 to 2017. The collected information includes both the basic thermo‐physical properties of PCMs (eg, melting temperature, heat of fusion, and thermal conductivity) and crucial design factors during construction and engineering phases (eg, energy storage density, volume expansion, liquid/solid densities, and cost). The reviewed PCMs comprise a wide variety of materials, including fluorides, chlorides, hydrates, nitrates, carbonates, metals and alloys, and other uncommon compounds and salts. In addition, the current work presents a brief review on high‐temperature latent heat thermal energy storage systems categorized into metallic and non‐metallic systems. The corrosivity and stability of PCMs, which are commonly ignored in previous studies, are also examined.
- Subject
- energy storage; latent heat; medium and high temperature; phase change material (PCM)
- Identifier
- http://hdl.handle.net/1959.13/1443678
- Identifier
- uon:42071
- Identifier
- ISSN:0363-907X
- Language
- eng
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