METHOD OF PRODUCING A LATENT HEAT STORAGE DEVICE WITH PHASE CHANGE MATERIAL AND GRAPHITE MATRIX

METHOD OF PRODUCING A LATENT HEAT STORAGE DEVICE WITH PHASE CHANGE MATERIAL AND GRAPHITE MATRIX

A latent heat storage device is formed with a carrier substrate formed of expanded graphite material. Phase change material is infiltrated in the graphite material. A thin graphite sheet provides for the functional heat conductivity into and out of the carrier substrate. After the phase change mater...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FORD, BRIAN, SCHMITT, RAINER, MECHEN, SYLVIA, HUDLER, BASTIAN, LANGER, WERNER
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ADHESIVES
BLASTING
CHEMISTRY
DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION
DYES
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
LIGHTING
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
MECHANICAL ENGINEERING
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
WEAPONS
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Beschreibung
Zusammenfassung:A latent heat storage device is formed with a carrier substrate formed of expanded graphite material. Phase change material is infiltrated in the graphite material. A thin graphite sheet provides for the functional heat conductivity into and out of the carrier substrate. After the phase change material (PCM) is infiltrated in the carrier substrate, a density of the infiltrated carrier substrate exceeds its starting density by a ratio of at least 3:1 or 4:1 or more. The volume dimensions of the infiltrated the carrier substrate remain substantially unchanged. In the alternative, the latent heat storage device may also have a PCM coating layer on a thin carrier substrate, wherein the phase change material is interspersed in a carrier matrix forming the PCM coating layer. The composite device may be very thin.