Commonly available aerogel products and their functions
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(1) Aerogel insulation pad: Mainly used between battery cells and modules. It uses aerogel beads as the fireproof and insulation core material, and is encapsulated with films or coatings. It is a composite product with buffering function. It can be assembled between battery cells and modules, effectively preventing heat diffusion.
(2) Expanding fireproof coating: Mainly used in aluminum PACKs, etc. It is a two-component solvent-free epoxy fireproof coating. It is applied to the surface of irregular substrates and expands and carbonizes when exposed to fire to form a fire-resistant and heat-insulating layer. It can be applied to aluminum PACKs and other parts to improve their fire resistance.
(3) Aerogel fireproof blanket: Mainly used in module PACKs and body floor areas. It uses aerogel felt as the fireproof insulation layer, and is combined with fiberglass cloth and other materials. It is a large-area fireproof and insulation product. The product can be used in module PACKs and body floor areas, delaying the spread of battery flames and protecting personnel safety.
(4) Fireproof insulation composite strip: Mainly used on the outside of modules. It is a high-temperature-resistant fireproof insulation material composed of ceramicized silicone rubber and fiberglass cloth. It can be applied to the outside of modules to solve the insulation failure problem of battery packs under high temperatures.
(5) Aerogel foam: Mainly used in vehicle electronics, battery packs, etc. It is an elastic foam material composed of aerogel and organic materials. The product has outstanding heat insulation performance, is thin and flexible, and can be used for heat insulation or insulation in various parts such as vehicle electronics, battery packs, etc.
The solution for safety management of new energy batteries is on the horizon. In particular, new materials with fireproof and heat-resistant functions are favored by the market. Aerogel insulation sheets are one of the most important new materials among them. The aerogel insulation sheet is mainly used for insulation and fireproofing between battery cells and modules, as well as in the body floor areas. Aerogel enterprises' industrial chain covers from gel formation, encapsulation, to downstream applications such as battery packs and pipelines. It also includes materials such as precursor substances for the materials, various fibers such as ceramic fibers, glass fibers, foam, and encapsulation materials such as PET, PI film, hot melt adhesive, silicone frame, etc., as well as equipment such as supercritical equipment, hot press machines, die-cutting equipment during the production process.