"I knew copper prices would rise, but I couldn't predict how high they would go," lamented an insider from the motor industry ...

• Induction motors employing copper rotors can be smaller than equivalent versions with aluminum rotors. • Copper rotors exhibit lower losses than aluminum which lets them run cooler and be more ...

NEW YORK - A practical die-cast copper rotor for electric motors has been the "holy grail" for motor manufacturers for many years, says the Copper Development Association. Last year, Siemens AG, ...

A new study details how researchers successfully built and operated a motor using coils woven from pure carbon nanotubes instead of the heavy copper that has been the standard for a century. But can ...

German supplier ZF already manufactures electric drive motors for various manufacturers, including the one in the Porsche Taycan. Now it's trying to out-Lucid the trendiest EV startup companies with a ...

Electric dc brush motors have traditionally used wire-wound armatures that move through a magnetic-flux air gap. Engineers at ThinGap Motor Technologies, Santa Barbara (www.thingap.com), have come up ...

Driven by the growth prospects of vehicle electrification in China and Europe, the sales volume of global electric vehicles has reached 3.2 million units in 2017, with an annual growth rate of 55%.