That's right.
It's thanks to the progress made by Toshiba; it isn't science fiction. Toshiba already has three types of niobium batteries on the market. That company is taking the market by storm—a market that will probably be very specialized—because of the speed with which the batteries charge.
It's a fast-charging battery that can be used, even if it's -30°C.
As well, its popularity is also attributable to the battery's larger number of cycles. Echion is currently working with Amazon on the robots used in their warehouses; these robots have to be charged quickly and often. They use niobium batteries.