Electric vehicles are gaining popularity fast, but some prospective buyers remain hesitant. One big reason is that charging EVs is slow. While drivers today are accustomed to filling their gas tank in less than five minutes, EVs, depending on the size and specifications of the battery, typically take at least 30 minutes to get 80 percent charged at the fastest charging stations out there.

In five to 10 years, though, far faster charging might be possible. Companies are developing new lithium-ion battery materials, as well as new “solid state” batteries, which are more stable at faster charging speeds. They could place recharge rates of 20 minute or less within reach.

Meanwhile, a team of