No. Lithium-ion batteries contain lithium, nickel, cobalt, manganese and graphite. None of these elements belongs to the rare-earth family (USGS definition). Rare earths (neodymium, praseodymium, dysprosium) are found in the electric motor's permanent magnets, at around 0.35 to 0.5 kg per motor. Some manufacturers offer wound-rotor motors without rare earths (Renault). Confusing rare earths with batteries is one of the most widespread misconceptions on the subject.
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