Ceramic Film (IMAGE) Universität Bayreuth Caption A ceramic film produced by powder aerosol deposition on a porous gas-permeable electrode, such as those required in fuel cells. Credit Image: Jörg Exner. Usage Restrictions None License Licensed 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.