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LANXESS' PA6 used in production of battery module housing for EVs
Source:Adsale Plastics Network    Editor:JK    Date:26.Aug.2021

Specialty chemicals company LANXESS and Korean auto parts specialist INFAC have together developed battery module housing for electric vehicles (EVs).


The battery housing uses Durethan BKV30FN04 from LANXESS to satisfy stringent mechanical and chemical property requirements for latest EV components. The halogen-free, flame-retardant and glass-fiber-reinforced polyamide 6 (PA6) is characterized by its good flame-retardant and electrical properties.


The material is highly processable and enables the integration of complex functions required for housing components, resulting in a smaller number of parts and a simplified assembly process as well as lighter weight. The new battery housing part has been adopted to series production of EV models launched by a Korean OEM this year.


“Success in mass production of battery housing demonstrates LANXESS Durethan’s excellence in EV batteries, in which technology and safety are of utmost importance. Our high performance plastics will make a significant contribution to the EV and battery markets,” noted Milan Vignjevic, head of LANXESS’ High Performance Materials (HPM) business unit in Asia-Pacific.


LANXESS and INFAC have developed battery module housing for electric vehicles.

For the battery module housing, shock absorption and thermal management are critical in order to protect the battery from external shock. Durethan BKV30FN04 is not only mechanically robust, but also boasts high-voltage insulation, resistant to up to 800 V and effectively blocking high-voltage current. With strong flame-retardant properties, it prevents or delays flames from spreading in case of a fire. Glass-fiber reinforced Durethan BKV30FN04’s durability to mechanical loads is superior to unfilled PA6.


Furthermore, it maintains good strength and stiffness when in contact with electrolyte or cooling media, and has chemical resistance to suppress chemically-induced damage.


LANXESS’ engineering plastics can be applied to a wide range of battery components including battery covers, high-voltage connectors, cable brackets and battery cell cooling system pipes as well as parts for hydrogen fuel cell vehicles such as hydrogen storage tanks. It can also replace metals in various components, enabling lightweight design.


It allows producing several functional components in one process, a driver behind continuous growth in demand in the next generation mobility market where a number of technologies and components come into play.


“High-quality materials, technical expertise and customized engineering services from LANXESS enabled us to speed up our development. This helped solidify our position in the fast-evolving EV battery parts market,” Gyuso Lee, Head of Purchasing & Development at INFAC, added.



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