None of those are either rare earth metals or especially rare, graphite isn't a metal at all, and lithium iron phosphate batteries contain neither nickel nor manganese.

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kragen 5 days ago | parent [-]

This should say, "neither cobalt nor manganese". They do contain nickel.

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epistasis 5 days ago | parent [-]

I don't think there's any nickel, and Wikipedia agrees, but I always love a correction:

"LFP contains neither nickel[35] nor cobalt, both of which are supply-constrained and expensive. "

[35] pdf https://nickelinstitute.org/media/1987/nickel_battery_infogr...

	▲	kragen 4 days ago \| parent [-]
		I'm an idiot, you're right.