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Systematic analysis of materials for coated adsorbers for application in adsorption heat pumps or refrigeration systems

: Banos, O.; Ohmann, S.; Alscher, F.; Breitkopf, C.; Pacheco, V.; Glorius, M.; Veit, M.

Fulltext ()

Energies 13 (2020), No.18, Art. 4962, 16 pp.
ISSN: 1996-1073
Bundesministerium fur Wirtschaft und Energie BMWi (Deutschland)
Journal Article, Electronic Publication
Fraunhofer IFAM, Institutsteil Pulvermetallurgie und Verbundwerkstoffe Dresden ()

Water vapor sorption in salt hydrates is a promising method to realize seasonal solar heat storage. Several of these materials have already shown promising performance for this application. However, a significant bottle neck for applications is the low thermal conductivity. In this study, several fabrication methods of the fixation of salts and their hydrates on metals to overcome the problem are presented. The products are analyzed concerning the hydration states, the corrosion behavior, the chemical compatibility, and the mechanical stability.