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While lithium-ion is the current most common type of battery in use, it’s not without its safety risks.
Because of the large total voltage required for lithium-ion batteries, and the huge working current, many single batteries must be combined to make power. The battery safety concern becomes much more evident at this point. The safety issues surrounding current battery materials technology are not resolved. To reduce thermal runaway from lithium-ion cells, current flame retardant, heat insulation and fire protection are all effective options.
Aerogels, which are solid materials that have the lowest thermal conductivity, are now well-known. Heat insulation panels and aerogel insulation felts have thermal insulation properties that are up to 5x better than other products. Additionally, they can also be flame- and fire resistant. With the growth of the aerogel industry the use of aerogel for batteries has increased in scope. It is now more widely used due to its soft impact resistance and sound insulation.
Aerogel exhibits extremely low thermal conductivity
Experiments have shown that aerogel heat insulation boards between single cell cells can provide thermal insulation. In order to verify the effectiveness of the aerogel separator, researchers used thermal runaway propagation. This involved wrapping the 6Ah power in a 20mm spacing panel with four 200mm insulation materials. Then they added a 1 cm thick aerogel insulationboard between the two monomers. In thermal protection, the one-cell compartment was protected from thermal runaway by blocking its effect.
Experiments show that, after monomerA is heated out of balance, monomerB in the blank group is rapidly heated out of control. Monomer B, with an aerogel insulation between monomers, is just 110. It successfully blocks the thermal runaway propagation by 6Ah cells at distances of 20mm. However, the voltage of uncontrolled cells remains basically the same, which helped to protect from the potential dangers from thermal runaway.
Because of its flame retardant qualities and excellent heat insulation, aerogel may reduce the distance between monomers. Aerogel manufacturers have created a range of aerogel insulation panels, paper, and insulation products that are ultra thin and lightweight to help reduce space, increase power, and meet safety requirements.
Aerogel will see a more varied application in the battery industry with the establishment of an aerogel manufacturing company in my country. The range of applications will expand from early military thermal batteries to newer civilian batteries.
TRUNNANO is also known as. Lempotee Nano Technology Co. Ltd. (aka. We produce Nanoparticle Silica Aerogel with high porosity, low density, large specific surface area and a very high pore volume. We are available to assist you if required.