Journal
JOURNAL OF ENERGY STORAGE
Volume 54, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.est.2022.105227
Keywords
Latent heat thermal energy storage; Phase change materials; Domestic heating; Underfloor heating; Wall heating; Hot water production
Categories
Funding
- European Union's INTER- REG VA Programme [IVA5038]
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Thermal energy storage using phase change materials (PCM) has flexible operating temperature range, high energy storage density, and reasonable cost, making it widely used in building and hot water production. This paper reviews the innovative techniques and research findings of PCM in domestic thermal heating, and summarizes the important factors for selecting suitable PCM for these applications.
Thermal energy storage (TES) using phase change materials (PCM) has been widely investigated for various applications from very low to very high temperatures due to its flexible operating temperature range, high energy storage density, and long-life cycle at a reasonable cost. The use of PCM in building components and hot water production can reduce the building energy demand, indoor temperature fluctuation, and better demand-side management by utilising available renewable energy and off-peak electricity. This paper presents a state-ofthe-art review of the application of PCM domestic thermal heating. The classifications of TES systems, advantages of PCM over other TES systems, and the methods to overcome shortcomings of PCM are discussed in brief. Then the various novel techniques employed in underfloor heating, wall heating, PCM integration in domestic hot water tanks, and developing latent heat thermal energy storage units are extensively reviewed and the major findings of the research works reviewed are tabulated. Based on the extensive review conducted, the important factors to be considered for selecting a suitable PCM for these applications are summarised, and the commercially available PCM for the above applications are listed with their major thermo-physical properties and supplier details in the appendix.
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