Heat-conducting structural adhesive for power battery pack of new energy automobile

Abstract

The invention discloses a heat-conducting structural adhesive for a power battery pack of a new energy automobile, and specifically relates to the field of new energy vehicles. The heat-conducting structural adhesive comprises a component A and a component B, wherein the component A is prepared from the following raw materials in parts by weight: 10-35 parts of vinyl silicone oil, 1-3 parts of a platinum catalyst, 5-10 parts of a binder and 52-84 parts of a modified heat-conducting filler, and the component B is prepared from the following raw materials in parts by weight: 10-35 parts of vinylsilicone oil, 1-3 parts of hydrogen-containing silicone oil, 1-2 parts of a time delay agent, 5-10 parts of an adhesive and 50-83 parts of a modified heat-conducting filler. According to the invention, the component A and the component B are mixed, the platinum catalyst catalyzes addition reaction cross-linking of vinyl silicone oil and hydrogen-containing silicone oil, the heat-conducting structural adhesive is obtained after curing, the use thickness is half of the thickness of the heat-conducting gasket, the weight is half of the weight of the heat-conducting gasket, the tensile property is improved, full-automatic adhesive dispensing can be achieved in the construction process, manual assembly is not needed, and the assembly efficiency is greatly improved.

Description

technical field [0001] The invention relates to the technical field of new energy vehicles, and more specifically, the invention relates to a heat-conducting structural adhesive used for power battery packs of new energy vehicles. Background technique [0002] New energy vehicles are one of the important industries for the country to promote clean travel and smart cities, and the market for new energy vehicles is huge. The core component of new energy vehicles is the power battery. The battery pack obtained by connecting thousands of power batteries in series and in parallel has high power density and huge heat generation during operation. Therefore, solving the heat dissipation of the power battery pack is the key to maintaining the life of the power battery. Under normal circumstances, the heat dissipation solution for the power battery pack is to use active heat dissipation, that is, to paste a water-cooled plate on the bottom of the battery pack, and use it between the w...

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a thermally conductive structural adhesive for a power battery pack of a new energy vehicle. Problems with too large thickness, high weight and manual assembly in the group