• SK On claims to have an advantage with the pouch cell format, which can also be tweaked to accommodate solid-state tech.

• The company says advancements in solid-state batteries may help it beat Chinese companies.

• It currently supplies batteries to Mercedes-Benz, Ford, Volkswagen and Hyundai, as per Korea's SNE Research.

You're going to hear a lot about solid-state batteries this decade, long before you see them in an electric car you can actually drive. As frustrating as that sounds, groundbreaking battery tech takes years, sometimes decades, to move from lab to showroom.

But when it arrives, it could reshape the auto industry. South Korea's SK On thinks that day will come.