Electronics Weekly Electronics Design & Components Tech News
“The central feature of the new motor is the inductive and thus contactless power transmission – this allows the motor to operate wear-free and particularly efficiently at high speeds,” said the company. “The efficiency is above 95% at almost all operating points – a level that previously has only been achieved by Formula E racing cars.”
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This article reminds me of ABB’s synchronous reluctance motor.
https://library.e.abb.com/public/5c6f165165214e9197fde91d98108d0b/IE5%20SynRM%20motors_9AKK107743%20EN%2012-2019.pdf
Using cleverly shaped and layered, iron based rotor, there are no permanent magnets, and therefore no need for rare earths.
I have often wondered whether this could be a good automotive motor.