Thermally conductive nanocomposition and method of making the same
First Claim
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1. A nanocomposite fluid comprising:
- a fluid medium; and
a nanoparticle composition comprising nanoparticles which are electrically insulating and thermally conductive, and comprise boron nitride;
wherein the thermal conductivity of the nanocomposite fluid is about 0.2 W/m K to about 1 W/m K,the nanocomposite fluid has a dielectric strength of at least about 80 kV/cm; and
the viscosity of the nanocomposite fluid is about 1 cps to about 5 cps.
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Abstract
A nanocomposite fluid includes a fluid medium; and a nanoparticle composition comprising nanoparticles which are electrically insulating and thermally conductive. A method of making the nanocomposite fluid includes forming boron nitride nanoparticles; dispersing the boron nitride nanoparticles in a solvent; combining the boron nitride nanoparticles and a fluid medium; and removing the solvent.
19 Citations
34 Claims
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1. A nanocomposite fluid comprising:
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a fluid medium; and a nanoparticle composition comprising nanoparticles which are electrically insulating and thermally conductive, and comprise boron nitride; wherein the thermal conductivity of the nanocomposite fluid is about 0.2 W/m K to about 1 W/m K, the nanocomposite fluid has a dielectric strength of at least about 80 kV/cm; and the viscosity of the nanocomposite fluid is about 1 cps to about 5 cps. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 28, 29, 30, 31, 32)
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21. A method of making a nanocomposite fluid, comprising:
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forming nanoparticles which are electrically insulating and thermally conductive, the nanoparticles being comprised of boron nitride; suspending the nanoparticles in a solvent, surfactant, or a combination comprising at least one of the foregoing; and combining the nanoparticles and a fluid medium, wherein, when present, the solvent is removed after combining the nanoparticles and the fluid medium to form the nanocomposite fluid, wherein the thermal conductivity of the nanocomposite fluid is about 0.2 W/m K to about 1 W/m K, the nanocomposite fluid has a dielectric strength of at least about 80 kV/cm; and the viscosity of the fluid is about 1 cps to about 5 cps. - View Dependent Claims (22, 23, 24, 25, 26)
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27. A method of making a nanocomposite fluid, comprising:
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forming nanoparticles which are electrically insulating and thermally conductive, and comprises boron nitride; suspending the nanoparticles in a solvent, surfactant, or a combination comprising at least one of the foregoing; and combining the nanoparticles and a fluid medium, wherein, when present, the solvent is removed after combining the nanoparticles and the fluid medium to form the nanocomposite fluid; and wherein the nanoparticles comprises a coating disposed on the nanoparticle.
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33. A nanocomposite fluid comprising:
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a fluid medium; and a nanoparticle composition comprising boron nitride, wherein the boron nitride is derivatized to include an alkyl group or coated with a coating comprising a metal boride, a metal carbide, a metal nitride, a metal carbonate, a metal bicarbonate, or combinations thereof. - View Dependent Claims (34)
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Specification