Purely acoustically, the video, held in cool white and blue tones, is reminiscent of the classic “Star Wars” film. What you can see, however, are not spaceships with hyperdrive, but a new type of battery for the earthly mobility transition, which basically works with table salt. The Chinese battery manufacturer Contemporary Amperex Technology (CATL) will accompany the presentation of a sodium-ion battery for electric cars with accented buzzing, beeping and hissing. Series production is scheduled to begin in two years.