Cap...
many are working on a system that defies description, it's like putting it in a gel and they are geared for a specific rare earth with high extraction rates. Another source, stagnant H20 run off ponds from Coal Mining. Fascinating technology, ready for prime time(?), that's the question.
Start here:
If the process isn’t as cheap as refining Oil it will not fly. At this point the amount of not only rare earth minerals but the amount of copper needed to go EV to expand the Grid is so large that there is no production that can meet it.