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Container having a mixture of phase-change material and graphite powder

A technology of phase change materials and mixtures, which is applied in containers, thermal insulation containers, drinking vessels, etc., and can solve the problems of low thermal conductivity of phase change materials and inability to make optimal use of them

Active Publication Date: 2016-10-26
FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG EV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This positive property is often not exploited optimally because the thermal conductivity of phase change materials is often low

Method used

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  • Container having a mixture of phase-change material and graphite powder
  • Container having a mixture of phase-change material and graphite powder

Examples

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Effect test

Embodiment Construction

[0036] A beverage container 1 is shown, which is constructed in the form of a "coffee-to-go" cup. The outer container wall 2 made of plastic can be seen here. The inside of the container can be filled with hot drinks in the use volume 3. The container utilization volume 3 is surrounded by an inner container wall 4 . The inner container wall 4 is formed by using a material that conducts heat well, it is made of aluminum or steel. An intermediate space 5 is formed between the inner container wall 4 and the outer container wall 2 . This intermediate space is filled with mixture 6, which contains phase change material and graphite powder. despite following figure 1 For reasons of illustration, only a part of the intermediate space 5 is filled with the mixture 6 , but in principle it makes sense to fill as much as possible of the entire intermediate space 5 with the mixture 6 . Note of course that the mixture 6 has a slightly smaller volume in the solidified state of the phase...

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Abstract

The invention relates to a container (1), in particular a beverage container, comprising an inner container wall (4) and an outer container wall (2) and an intermediate space (5) lying between the container walls (2, 4), wherein the intermediate space (5) is filled with a mixture (6), which contains phase-change material and graphite powder, wherein the graphite powder is introduced into the phase-change material in such a way that the mixture (6) has a pulpy consistency at a temperature at which the phase-change material is liquid. The invention further relates to a method for producing a container (1), in particular a container (1) according to one of the preceding claims, comprising the following steps: A) providing an inner container wall (4) and an outer container wall (2); B) applying a mixture (6) of graphite powder and phase-change material to the inside of the outer container wall (2) and / or the outside of the inner container wall (4); C) joining the outer container wall (2) and the inner container wall (4).

Description

technical field [0001] The invention relates to a container having a mixture of phase change material and graphite powder. Background technique [0002] It is known from DE 10 2005 030 310 B3 to arrange a phase-change material in a beverage container between the inner wall and the outer wall. It can thus be achieved that the filled hot beverage is given heat to the phase-change material at a temperature above the desired drinking temperature and is melted by the phase-change material. The desired drinking temperature is thus achieved. The heat is then imparted to the hot beverage when the phase change material solidifies, thereby avoiding further cooling of the environment due to the imparting of heat. In order to effectively introduce heat into the phase change material and discharge it again, a heat conducting structure is provided in the part between the inner wall and the outer wall. Such beverage containers have positive properties for keeping hot beverages in the de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D81/38
CPCA47J41/00B65D81/3872F28D20/02Y02E60/14A47G19/2288F28F23/00F28F2270/00
Inventor K.泽德尔鲍尔H.辛内斯比希勒
Owner FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG EV
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