For Electric Car Batteries, The Race for a Rapid Charge

If stopping for gas took five or six hours, would you rethink that road trip? How about an hour? When it comes to electric vehicles, topping up the “tank” does indeed take a long time, one of the primary barriers to more widespread adoption of EVs. So it is no surprise that there is an aggressive push to improve batteries and charging infrastructure, with a goal of making a stop for a recharge no different than a stop for gas.

But pushing a lot of power into a little battery in a short time presents daunting technical challenges. Standard lithium-ion batteries simply aren’t optimized to receive a charge quickly; the car, the plug, and even the wiring would likely need to be revamped in order to enable substantially faster power flow. And there are serious questions about whether the power grid is sufficiently robust to allow massive hits from thousands — or millions — of rapidly charging EVs.

Read entire article at the Yale Environment 360...