The Tech

Fraunhofer developing die-cast aluminum coils for e-motors

Researchers at Germany’s esteemed Fraunhofer research organization have developed a casting technique to produce lightweight aluminum windings with a higher groove fill factor than conventional copper wire. The coils are composed of cast aluminum, and are based on a flat conductor arrangement, which leads to a higher slot fill factor and thus better use of… Read more »

Magna wins DOE grant to develop cheaper EV motor with 8x more power density

The US DOE has awarded a grant to Canadian parts supplier Magna to develop e-motor technologies for next-generation propulsion systems that are both cheaper and more powerful than today’s technology. The supplier has partnered with the Illinois Institute of Technology and University of Wisconsin-Madison for the initiative. The organizations aim to develop an e-motor that… Read more »

Kinemetrix develops automated manufacturing with 3D-guided welding for EV components

Kentucky-based Kinemetrix, a manufacturer of automated assembly equipment, has developed new scalable, modular EV manufacturing technologies that use 3D vision-guided welding and robotics. The company’s new Agile3D CopperWeld is a process technology that combines 3D vision and TIG welding for joining small copper leads in EV components. Machine vision finds the leads in 3D space,… Read more »

Webasto launches modular battery system, thermal management, and charging stations

Automotive supplier Webasto showcased its modular battery system, thermal management system, and charging station at the recent SEMA show in Las Vegas. The CV standard battery system is available in 400 V and 800 V versions. Each battery features 35 kWh of energy. Up to 10 packs can be used for a combined 350 kWh…. Read more »

Dutch startup LeydenJar to open pilot plant for Li-ion batteries with silicon anodes

Dutch startup LeydenJar is opening a pilot plant to manufacture new-generation batteries that utilize pure silicon anodes, which the company says can store 50% more energy than conventional lithium batteries. LeydenJar and its development partners hope to use the pilot plant to demonstrate that batteries with silicon anodes can be manufactured for the same price… Read more »

Kratzer Automation launches new battery test and simulation device

Kratzer Automation has developed the VES4.1-c, a new battery test and simulation device. The VES4.1-c features an increased rated current and overload capability, as well as Ethernet for Control Automation Technology (EtherCAT) interface. The device has a maximum current of 1,000 amps and maximum electrical output of up to 300 kW. Dirk Stübener, Product Manager… Read more »

Chinese EV maker to use BorgWarner’s iDM e-axle in upcoming vehicle

Michigan-based parts supplier BorgWarner has announced a partnership with an unnamed Chinese EV maker to supply its fully-integrated e-axle, the iDM, for an upcoming EV. This partnership is BorgWarner’s first iDM project in China. The automaker expects the EV to go into mass production in 2021. BorgWarner’s e-axle system integrates the power electronics, transmission, and… Read more »

Cree to supply SiC semiconductors to ZF for electric drives

Cree, a US maker of silicon carbide (SiC) semiconductors, has partnered with German parts supplier ZF Friedrichshafen to supply SiC semiconductors for electric drives. ZF will initially use Cree’s technology to fulfill pre-existing orders from several auto manufacturers for silicon carbide-based electric drives, but ZF hopes to make silicon carbide electric drivelines available to the… Read more »