Encapsulated high temperature PCM as active filler material in a thermocline-based thermal storage system
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Author/sMuñoz-Sánchez, B.; Iparraguirre-Torres, Iñigo; Madina, Virginia; Izagirre, Usoa; Unzurrunzaga-Iturbe, A.; [et al.]
A great concern in Concentrated Solar Power (CSP) is to boost energy harvesting systems, by finding materials with enhanced thermal performance. Phase Change Materials (PCM) have emerged as a promising option, due to their high thermal storage density compared to sensible storage materials currently used in CSP. A thermal storage system for solar power plants is proposed, a thermocline tank with PCM capsules together with filler materials, based on multi-layered solid-PCM (MLSPCM) thermocline-like storage tank concept [1,2]. A detailed selection of the most suitable high temperature PCM, their containment materials and encapsulation methods are shown.