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Unlocking EV Performance Improvement: Motor Optimization Using Torque Dense Materials And Advanced Powertrain Technology

Presented by:

  • Nir Vaks, Global Director, Carpenter Electrification

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Apr 6, 2022, 1:15 pm EDT

Higher power and torque density in advanced electric motors for land, air, and naval electric vehicles, along with increased efficiency are of key importance to improve the vehicle performance. One way to realize these goals is by constructing the stator and rotor using high induction, high permeability, and low loss soft magnetic materials. Using such advanced soft magnetic materials allows a given EV design higher acceleration, improved range, higher payload capacity, and increased space savings. Recent advancements in the processing of thin laminated stator and rotor stacks have been paramount in enabling optimal motor performance.

Several examples of power dense and high efficiency motors using high performance soft magnetic alloys will be presented in detail.
  • High induction, high permeability, and low loss soft magnetic stator and rotor materials to increase the torque and power density of the motor in combination with improved efficiency

  • Various options will be presented to realize the torque and power benefits by about 15-35% using such high performance material solutions vs. present technology

  • These high performance motors can result in improved electric vehicle performance such as higher acceleration, improved range, higher payload capacity, and increased space




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