2 ms·
>rare earth metals that seemingly remain popular within the batteries To clarify: rare-earths are required for the magnets in EV motors. Cobalt is rare, but no
by scythe 6y ago
>rare earth metals that seemingly remain popular within the batteries
To clarify: rare-earths are required for the magnets in EV motors. Cobalt is rare, but not a rare-earth, and is used in the batteries. The supply of lithium and nickel may affect prices at high production volumes (widespread adoption) but is not currently a significant factor. Replacements for cobalt in batteries are the object of recent research; replacements for rare-earth metals in magnets have been sought for decades, with Fe16N2 and AlMn leading the pack at a treacle-esque trickle.
- jhgb 6y ago> To clarify: rare-earths are required for the magnets in EV motors. Not necessarily; they're just convenient, but not strictly required. Model S vehicles use induction motors and they seem to work just fine.