Rigby5
Diamond Member
I don't believe all batteries require rare earths. Li batteries don't to my knowledge. Alkaline batteries likewise don't.
Even lead-acid batteries don't require any rare earths.
All batteries require rare earth elements.
Lithium, lead, nickel, cadmium, silver, gold, cobalt, iridium, palladium, etc., are all rare earth elements needed by batteries.
But I think alkaline batteries to not use any rare earth elements, since they only use zinc and manganese dioxide?