TECHNOLOGY | COMPOUNDS FOR EVs
Right:
EMS-Grivory supplied a flame retardant long-glass fibre semi-aromatic Grivory
compound for this
Huber+Suhner rapid charging system
According to Covestro, charging stations have to withstand all types of weather and be highly robust. They also need to be able to be mass produced and offer design freedom, while providing high function- ality, lightness, toughness and good electrical insulation. All are prime benefits of plastics. Netherlands-based EVBox Group is using
Covestro’s Makrolon RE for production of charging infrastructure. It is an ISCC PLUS-certified PC produced from mass-balanced biowaste. “It is important to us to think about the entire life cycle of charging stations right from their development and design,” says Wijnand Diemer, Senior Director, Product Management at EVBox Group. “These include circular materials as source materials, a modular design that facilitates repairs, and last but not least, the remanufacturing of components and entire charging stations.”
Swiss performance polymer specialist EMS-
Grivory has supplied Huber+Suhner with long- glass fibre reinforced semi-aromatic PA com- pounds for production of its latest electric vehicle rapid charging system. The company says that the tough, long-glass fibre reinforced and flame-retard- ant high-performance Grivory GVL-4H V0 grade provides high reliability in rough daily use for charging of electric vehicles. The high power charging (HPC) systems developed by Huber+Suhner operate at up to 500A and 1,000V, which allows rapid charging times that are not a great deal longer that refilling a conventional fossil-fuel vehicel. Even batteries in large electric vehicles can be recharged up to 80% in less than 15 minutes. The systems use a liquid- cooled cable. The active cooling means the cable
can be smaller than would otherwise be required, which makes it easier to handle. The cooling lines are of Grilamid L PA12.
Modular design Durethan PA and Pocan PBT compounds from Lanxess are being used in electric vehicle charging inlets, which accommodate the charging coupler from the external charging station. “Our approach is aimed at using a modular configuration to get the right material in the right place to meet the complex requirements applicable to the various components with the utmost precision,” says Gregor Jaschkewitz, Application Developer at the company’s High Performance Materials (HPM) business unit. “At the same time, a high level of functional integration is intended to make it as easy as possible to assemble the entire unit, which means screwless assembly and minimal compo- nents in order to keep costs low.” According to Lanxess, collaboration with
www.xindacorp.com
info@xindacorp.com
IMAGE: EMS-GRIVORY
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