Energy-saving type three dimensional graphene skeleton composite phase change material with heat storage and release performances, and preparation method thereof
A composite phase change material, graphene skeleton technology, applied in the direction of heat exchange materials, chemical instruments and methods, can solve the problems of easy aging, easy leakage, low thermal conductivity, etc., to achieve good plasticity, prevent leakage, improve thermal conductivity, etc. guiding effect
Active Publication Date: 2015-12-02
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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The invention discloses an energy-saving type three dimensional graphene skeleton composite phase change material with heat storage and release performances, and a preparation method thereof. The phase energy-saving type three dimensional graphene skeleton composite phase change material is obtained through self-assembling graphen in an organic phase change material in a three dimensional skeleton interconnection form, and comprises 5-95 mass% of the organic phase change material, and the balance of graphene. The graphene composite phase change material can effectively solve the leakage problem of the organic phase change material, the three dimensional skeleton network distributed graphene greatly improves the heat conductivity of the phase change material, and provides a rapid transmission channel for heat energy collection and storage and later heat energy use; the preparation method has the advantages of simple operation, low cost and easy popularization; and the heat storage ability and the phase change temperature of the graphene composite phase change material prepared through the method depend on different selected phase change materials to meet different application channels, so wide prospect is provided for future application of the material.
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