2021年5月26日 星期三

More on: Vehicle motor needs no rare earths

German automotive part maker Mahle is developing an electric motor that does not require permanent magnets, and so does not need rare earth elements. Like a permanent magnet synchronous motor, favoured by many electric vehicle makers, Mahle’s motor is a synchronous machine, but instead of rare earth permanent magnets in the rotor it has electromagnets. To ...

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