- cross-posted to:
- technology@lemmy.world
- cross-posted to:
- technology@lemmy.world
While lithium extraction technologies generally focus on ways to get the essential metal out of the ground, there’s another source to mine: existing batteries that no longer work. A new technique could now make that process economically viable.



In case anyone’s curious: it is likely a cell wrapper misprint/typo.
4300mWh AA lithium ion cells are a standard extended-life chemistry. 2866 mAh is their actual rated capacity.