2021 Nissan Leaf.
Nissan and startup Relyion just announced a partnership to repurpose old Leaf batteries.
  • Many wonder what will happen when an electric car battery is no longer useful for the vehicle.
  • Of course, EV batteries can be recycled — but they can also be repurposed for energy storage.
  • Nissan is partnering with startup Relyion Energy to ensure its used Leaf batteries are put to good use.

One of the biggest challenges to the auto industry's multi-billion-dollar push to electrify lies in the batteries. What happens when millions of used electric car batteries aren't useful in a vehicle anymore?