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Japan finds a way to recover 90% of lithium from old EV batteries
(www.techspot.com)
This is a most excellent place for technology news and articles.
Nickel iron batteries, while heavier and less energy dense have virtually infinite lifespan. As such it is a far better battery for home power walls than lithium.
Except nickel is fairly rare, driving up the costs. Sodium isn't
Me when different solutions are optimal for different goals