Special heat-conductive insulating material for new energy automobile battery
A heat-conducting insulating material and new energy vehicle technology, applied in the direction of heat exchange materials, chemical instruments and methods, etc., can solve problems such as heat dissipation difficulties, leakage, shortened life, and reduced efficacy of battery products, so as to avoid burning spots and improve service life , good insulation effect
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preparation example Construction
[0037] A preparation method of a heat-conducting insulating material special for a new energy vehicle battery includes the following steps:
[0038] Step 1. Preparation of hexagonal boron nitride nanopowder:
[0039] S1. Add the hexagonal boron nitride powder to ethanol, and ultrasonically disperse it for 10-15 minutes to obtain a milky white liquid, add it to a three-necked flask, then add KOH solution, magnetically stir and reflux in a silicon oil bath at 95-105°C for 15- 18h, distill out ethanol, and filter the resulting solution to obtain a hydroxylated hexagonal boron nitride filter cake;
[0040] The concentration of the substance in the KOH solution is 5mol / L;
[0041] The mass ratio of the hexagonal boron nitride powder, ethanol, and KOH solution is 1:8-11:50-60;
[0042] The moisture content of the hexagonal boron nitride filter cake obtained in this step is about 55-65%;
[0043] S2. Add the above-mentioned hydroxylated hydroxylated hexagonal boron nitride to benzyl benzoate, ...
Embodiment 1
[0065] A heat-conducting insulating material special for new energy vehicle batteries. The main raw materials of the heat-conducting insulating material in parts by weight include: 30 parts of POM plastic, 6 parts of hexagonal boron nitride powder, and nano-SiO 2 5 parts of powder, 3 parts of chopped carbon fiber particles, 1 part of zinc oxide, 0.5 part of polyglycerin fatty acid ester, 0.5 part of tolyl diphenyl phosphate, 0.5 part of ethylene bisstearamide.
Embodiment 2
[0067] A heat-conducting insulating material special for new energy vehicle batteries. The main raw materials of the heat-conducting insulating material include: 35 parts of POM plastic, 8 parts of hexagonal boron nitride powder, and nano-SiO 2 8 parts of powder, 3.5 parts of chopped carbon fiber particles, 1.5 parts of zinc oxide, 0.8 parts of polyglycerin fatty acid ester, 0.8 parts of tolyl diphenyl phosphate, 0.7 parts of ethylene bisstearamide.
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