Preparation method of organic phase change energy storage material
A technology of energy storage materials and organic phases, applied in the direction of heat exchange materials, chemical instruments and methods, etc., can solve the problems of low melting point, large volume change, and low cost of organic matter, and achieve high heat of solution, simple preparation process, and good Use the effect of value
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Embodiment 1
[0020] The organic phase change energy storage material of the present embodiment, its raw material contains the following components by weight: 48 parts of polyethylene (molecular weight: 400,000); 8 parts by weight of paraffin wax (molecular weight: 600); 3 parts by weight of copper powder; 2 parts by weight of aluminum powder Parts by weight; 2 parts by weight of graphite powder.
[0021] Preparation method: take polyethylene, heat and melt, mix with paraffin wax at 145°C for 2 hours, then add graphite powder, aluminum powder, copper powder, and mix for 1 hour to obtain an organic phase change energy storage material.
Embodiment 2
[0023] The high-density phase-change energy storage material of this embodiment, its raw material contains the following components by weight: 46 parts by weight of polyethylene (molecular weight 500,000) paraffin (molecular weight 800) 5 parts by weight; Copper powder 4 parts by weight; Aluminum powder 4 parts by weight Parts by weight; 4 parts by weight of graphite powder.
[0024] Preparation method: take polyethylene, heat and melt, mix with paraffin wax at 145°C for 2 hours, then add graphite powder, aluminum powder, copper powder, and mix for 1 hour to obtain an organic phase change energy storage material.
Embodiment 3
[0026] The high-density phase change energy storage material of this embodiment, its raw material contains the following components by weight: polyethylene (molecular weight 450,000) 45 parts paraffin (molecular weight 700) 6 weight parts; Copper powder 2 weight parts; Aluminum powder 3 parts by weight; 6 parts by weight of graphite powder.
[0027] Preparation method: take polyethylene, heat and melt, mix with paraffin wax at 145°C for 2 hours, then add graphite powder, aluminum powder, copper powder, and mix for 1 hour to obtain an organic phase change energy storage material.
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