Researchers at Dortmund University are testing a high-voltage battery system operating up to 20 kV to reduce energy losses and improve efficiency. October 16, 2025 Jochen Siemer Image: FH Dortmund, Benedikt Reichel From ESS News A research team at the Dortmund University of Applied Sciences is developing a battery storage system designed to operate at up to 20 kV, which is around 20 times higher than conventional systems, to reduce resistance and energy losses. The KV-Batt project, led by profes...