They write that they'll be at the Battery Show 2020 in Stuttgart (28 to 30 April, Booth C229.): https://kurt.energy/visit-us-at-the-battery-show-2020-stuttg...
EDIT: Maybe they could partner up with the capacitor-electrode-made-from-Durian people? https://arstechnica.com/science/2020/03/super-stinky-durian-...