Wide range of applications
Lanxess has identified a range of key applications for its thermoplastics in the field of electromobility. In addition to charging systems, inverters, electric motors and ancillary units such as cooling pumps and heating systems for the interior, the main focus is the battery system, where potential applications include cell holders, spacers, covers, supply lines, module carriers and housing parts. In many of these applications, the manufacturers of E/E components use traditional materials such as die-cast metals. “We see huge potential here for substituting these for our high-modulus compounds and continuous-fiber-reinforced composites, for example in carriers of electronics modules in the area of the battery. We support manufacturers looking to exploit the lightweight construction potential, the design flexibility and the high, cost-reducing integration potential of our materials by providing material recommendations and component designs specially developed for plastic,” explained Haspel. With its outstanding strength and rigidity, halogen-free, flame-retardant polyamide 6 Durethan BKV45FN04 is ideal for not only module carriers but also battery cell frames and cover plates.
Preventing electrical corrosion
In the plastics used for live components in high-voltage batteries, the level of metal- and halide-containing additives must be kept to a minimum in order to prevent damage or failure as a result of electrical corrosion. Examples of such materials include polyamides from the Durethan brand with H3.0 or XTS3 thermostabilization. Haspel: “For extreme requirements, we are currently developing new compounds under the name Durethan LHC together with customers. LHC stands for low halide content.” The first product from this series is the easy-flowing polyamide 6 Durethan BKV30H3.0EF DUSLHC.
Autonomous driving and infrastructure for electric vehicles
The structural materials manufactured by Lanxess also offer great potential in electromobility infrastructure and in driver assistance systems – including in systems designed to enable autonomous driving. “We envisage them in a range of areas including housing parts, line circuit breakers and connection terminals in charging stations,” said Haspel. Possible applications in driver assistance systems include connectors and housings for sensors, displays and control units.