Electrolytic capacitor casing heat radiating coating containing graphene material

Abstract

An electrolytic capacitor casing heat radiating coating containing a graphene material is characterized by comprising the following components by weight: 30 parts of macroporous adsorption resin, 10 parts of silicon carbide, 5 parts of non crystal quartz particles, 2 parts of potassium feldspar, 5 parts of tert-butyl alcohol, 10 parts of graphene, 2 parts of boron fiber, 2 parts of carbon fiber, 2 parts of potassium tungstate, 5 parts of pigment, 50 parts of deionized water, 2 parts of lead tetraoxide, 3 parts of rare earth, 2 parts of chloroplatinic acid, 5 parts of modified corn starch and 0.5 part of cobalt selenide. According to the invention, the graphene mixed coating coats on the electrolytic capacitor shell to effectively achieve the heat radiation effect; the experimental data shows that the coating on the electrolytic capacitor shell can effectively guide the internal temperature of electrolytic capacitor increased by working to the shell and convert heat into infrared radiation wave. In addition to the enhancement of the service life of the electrolytic capacitor, the coating also can keep the work voltage of the electrolytic capacitor at a steady state.

Description

technical field [0001] The invention relates to the technical field of heat-dissipating coatings, in particular to a heat-dissipating coating for electrolytic capacitor shells containing graphene materials. Background technique [0002] In the rapid development of society, all kinds of electrical products are developing in the direction of miniaturization, light weight, compactness and high efficiency. Therefore, electronic products with high power have been developed rapidly, and the resulting large amount of heat has no space to dissipate. It will directly affect the working stability, operation safety and service life of electronic products. Conventional cooling methods can no longer meet the heat dissipation requirements of high-power electronic products, so it is necessary to improve the heat dissipation rate of electronic products. Currently, the most used is Apply heat dissipation paint. [0003] The heat dissipation coating is to enhance the heat dissipation perform...

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Problems solved by technology

[0004] At present, the shell of electrolytic capacitors is generally covered with PET as the appearance condition. The general service life of PET materials is about 1 year. Solve or diffuse, the electrolytic capacitor will age ahead of time with the increase of temperature, and the change of temperature under long-term work will also cause the power supply of electronic components to be unstable, causing certain harm

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