Polyvinyl Alcohol-salt Hydrate Mixtures as Passive Thermal Energy Storage Systems. (June 2016)

• Record Type: Journal Article
• Authors: Alkan, Cemil; Döğüşcü, Derya Kahraman; Gottschalk, Axel; Ramamoorthi, Umesh; Kumar, Arvind; Yadav, Sateesh Kumar; Yadav, Anurag Singh; Adıgüzel, Elif; Altıntaş, Ayşe; Damlıoğlu, Yasemin; Çetin, Aylin
• Is Part Of: Energy procedia. Volume 91(2016)
• Page Start: 1012
• Page End: 1017
• Publication Date: 2016-06
• Subjects: Thermal energy storage -- Passive systems -- Phase change materials -- Salt hydrates; Power resources -- Congresses; Power resources -- Periodicals; Power resources; Conference proceedings; Periodicals; 333.7905
• DOI: 10.1016/j.egypro.2016.06.269
• Languages: English
• ISSNs: 1876-6102

Abstract

Abstract: Inorganic salt hydrates are promising candidates as latent heat storage materials entailing, for example, a high thermal energy storage density and cheap price[1, 2] in spite that they have many handicaps. For almost all applications, Phase change materials (PCMs) have to be encapsulated, that is, they have to be hermetically sealed within barrier containments, preferably within small microcapsules. Encapsulation improves heat transfer, cycling stability, and material compatibility with the environment. However, no attempt has been completely successful to microencapsulate salt hydrates so far due to the high surface polarities of these substances, edge alignment effects, their tendency to alter their water content[3] . This work is aimed to encapsulate some commonly used salt hydrates; sodium sulphate decahydrate (Na2 SO4 .10H2 O) and calcium chloride hexahydrate (CaCl2 .6H2 O) in a hydrophilic polymer; polyvinyl alcohol (PVA) stably for passive thermal energy storage systems. So that an economically beneficial application mean will be validated.