Microbial Fuel Cell (image) Bielefeld University Caption The Bielefeld students have constructed a microbial fuel cell with which they can successfully generate electricity for small-scale use. Credit iGEM-Team Bielefeld Usage Restrictions The image may only be used with appropriate caption or credit. 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.