Sunshine (she/her)@lemmy.caM to Buy European@feddit.uk · 2 days agoZF (Germany) designed a motor without rare earth and a new small gearbox which includes a differential gear. Subtitle translation is availablem.youtube.comexternal-linkmessage-square8fedilinkarrow-up195arrow-down10
arrow-up195arrow-down1external-linkZF (Germany) designed a motor without rare earth and a new small gearbox which includes a differential gear. Subtitle translation is availablem.youtube.comSunshine (she/her)@lemmy.caM to Buy European@feddit.uk · 2 days agomessage-square8fedilink
minus-squarewitty_username@feddit.nllinkfedilinkarrow-up8·2 days agoPlease forgive my ignorance in this topic. I was under the impression that rare earths were mostly used in batteries and not necessarily in electric motors.
minus-squareCornelius_Wangenheim@lemmy.worldcakelinkfedilinkarrow-up4·edit-22 days agoMost EVs use permanent magnet (neodymium) motors because they’re more efficient than induction motors.
minus-squarewitty_username@feddit.nllinkfedilinkarrow-up1·2 days agoAh I didn’t know that, thanks! Do you know why they’re more efficient? My intuition would wrongly expect permanent magnet based motors to be less efficient
minus-squareSunshine (she/her)@lemmy.caOPMlinkfedilinkarrow-up2arrow-down3·2 days agoMore precious rare earth minerals saved for the batteries.
minus-squareunexposedhazard@discuss.tchncs.decakelinkfedilinkarrow-up2arrow-down1·edit-22 days agoI assume every modern electric motor like this has a built in control and monitoring circuit, but yeah idk what else could be rare earths.
minus-squareboonhet@sopuli.xyzlinkfedilinkarrow-up5·2 days agoMagnets. Electric motors tend to use permanent magnets.
Please forgive my ignorance in this topic. I was under the impression that rare earths were mostly used in batteries and not necessarily in electric motors.
Most EVs use permanent magnet (neodymium) motors because they’re more efficient than induction motors.
Ah I didn’t know that, thanks!
Do you know why they’re more efficient? My intuition would wrongly expect permanent magnet based motors to be less efficient
… and also in electric motors.
More precious rare earth minerals saved for the batteries.
I assume every modern electric motor like this has a built in control and monitoring circuit, but yeah idk what else could be rare earths.
Magnets. Electric motors tend to use permanent magnets.