Making electric cars lighter also involves reducing the weight of the motor. One way to do that is by constructing it from fiber-reinforced polymer materials. Researchers at the Fraunhofer Institute for Chemical Technology ICT are working together with the Karlsruhe Institute of Technology KIT to develop a new cooling concept that will enable polymers to be used as motor housing materials. And that’s not the only advantage of the new cooling concept: it also significantly increases the power density and efficiency of the motor compared to the state of the art. googletag.cmd.push(function() { googletag.display(‘div-gpt-ad-1449240174198-2′); }); The two key components of an electric drive train are the electric motor and the battery. And there are three issues that play a particularly important role when it comes to using an electric motor for eco-friendly mobility: high power density, a compact configuration that fits snugly within the electric vehicle, and high levels of efficiency. As part of the DEmiL project – a German abbreviation that stands for directly-cooled electric motor with integrated lightweight housing – researchers at Fraunhofer ICT in Pfinztal a...