If cost-effectiveness is a factor, unless Tesla manage to reap some pretty massive economies of scale, realistically we should be talking about recycling lead-a

If cost-effectiveness is a factor, unless Tesla manage to reap some pretty massive economies of scale, realistically we should be talking about recycling lead-acid batteries (like the one in your car). They are, by a pretty large margin, the cheapest method of storing energy: https://en.wikipedia.org/wiki/Comparison_of_battery_types#Common_characteristics https://en.wikipedia.org/wiki/Comparison_of_battery_types#Co...