According to the companies, the so-called 'Special Flame Retardant Continuous Fiber Thermoplastic' can withstand flames and high pressure more than 14 times longer than existing thermoplastics. The goal is to delay thermal runaway in batteries.
LG Chem, together with LG Group company LX Hausys, has developed a material that delays the thermal runaway of batteries and can withstand a flame at 1,500 °C for over 20 minutes. The material, called Special Flame Retardant Continuous Fiber Thermoplastic (Special Flame Retardant CFT), can withstand strong flames and high pressure over 14 times longer than existing thermoplastics, according to LG Chem.
The Special Flame Retardant CFT can be used in the top and bottom covers of large electric vehicle battery packs, effectively retarding flame spread in the event of a fire.
LG Chem had already presented a flame-retardant material last year. According to the company, this could withstand temperatures of up to 1,000 °C for over ten minutes, likely a record at the time. Together with LX Hausys (formerly LG Hausys), the material could be improved again.