What is Tesla’s Mystery Magnet?
Cars That Think
MARCH 17, 2023
Alexander Gabay, a researcher at the University of Delaware, states flatly: “I am skeptical that any non-rare-earth permanent magnet could be used in a synchronous traction motor in the near future.” Ferrite magnets, based on a form of iron oxide, are cheap and account for nearly 30 percent of the permanent-magnet market by sales.
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