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There are also optimistic results for batteries, because li-ion batteries do not and never have used rare earth elements. Cobalt and nickel are not rare earth elements and as other people have pointed out the global resources of both are far higher than the article suggests.

You probably have difficulty looking up alternatives to batteries with rare earth elements because the only sites that say they have rare earth elements have negative knowledge about the subject.



I was specifically interested in the super capacitor part of my question, I apologize for some potentially ambiguous semantics.




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