Will Charging EV Batteries Be as Effecient as Pumping Fuel?

At the quickest charging stations, electric vehicles require at least 30 minutes to get 80 percent charged. Faster charging may be achievable in five to ten years. Novel lithium-ion battery materials and new "solid-state" batteries are being developed by companies. They could be able to achieve recharge times of 20 minutes or less.

Even though EV batteries that charge less than 10 minutes are technically viable, ultra-fast charging is unlikely to become a reality. Today's fast-charging stations, which operate at 400 volts or more, already take far more electricity from the electric grid than the 120- and 240-volt outlets that many EV owners use at home. If every American drove an electric vehicle and expected ever-faster charging to be accessible at all times, the grid would be severely strained.

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