[Hypx_]

The other issue is recyclability. Modern li-ion batteries are basically superglued together in order to maximize energy density. A pack designed with recycling in mind will have to be more easily taken apart and likely significantly heavier.

[sunstone]

My understanding is currently they just grind up the old batteries into a kind of slurry that then goes through a uniform series of processes to recover the various components.

[Hypx_]

A process that has both huge losses and requires enormous amounts of energy.