Prototype of a redox flow battery (IMAGE) Friedrich-Schiller-Universitaet Jena Caption Prototype of a redox flow battery developed at the Centre for Energy and Environmental Chemistry of the University of Jena. Credit (Photo: Jan-Peter Kasper/University of Jena) Usage Restrictions The image can be used free of charge in connection with this press release. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.