LATENT HEAT STORAGE MATERIAL COMPRISING A PHASE-CHANGE MATERIAL HAVING INCORPORATED THEREIN PARTICLES OF NATURAL GRAPHITE, ANISOTROPIC SYNTHETIC GRAPHITE OR MIXTURES THEREOF

The invention concerns a latent heat storage material in the form of a composite material consisting of a phase-change material to store latent heat and graphite flakes incorporated within it to improve the thermal conductivity. The graphite flakes are characterised by a high aspect ratio and a high...

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Bibliographische Detailangaben
Hauptverfasser:	OETTINGER, OSWIN, CHRIST, MARTIN, BACHER, JUERGEN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR ADHESIVES BLASTING CHEMISTRY COMPOUNDS THEREOF CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION DYES HANDLING THIN OR FILAMENTARY MATERIAL HEAT EXCHANGE IN GENERAL HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT HEATING INORGANIC CHEMISTRY LIGHTING MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE MECHANICAL ENGINEERING METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-METALLIC ELEMENTS PACKAGES PACKAGING ELEMENTS PACKING PAINTS PERFORMING OPERATIONS POLISHES STORING TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The invention concerns a latent heat storage material in the form of a composite material consisting of a phase-change material to store latent heat and graphite flakes incorporated within it to improve the thermal conductivity. The graphite flakes are characterised by a high aspect ratio and a high anisotropy of thermal conductivity. The volume content of graphite flakes in the latent heat storage material according to the invention is between 10 and 40 %. The composite material can be obtained by mixing the components or infiltrating a bed containing graphite flakes with a liquid phase-change material. The graphite flakes are preferably aligned during mixing with the phase-change material by shaking or tamping, etc., so that the thermal conductivity in the direction that is favourable for the individual application is maximised.