Power-dense EV tractive motors without rare earth metal

Peter Els

With cost and performance dependent on the magnets, several companies have undertaken research into optimizing both the material and manufacturing processes to reduce reliance on rare earth metals. Commonly used in the manufacture of rare earth magnets, dysprosium (Dy) is one of the more costly rare earth metals, and whilst only being sourced from China is also strategically sensitive. After years of research and development Hitachi Metals America (HMA) unveiled a newly developed technology...
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