Microbial Battery (IMAGE) Stanford University School of Engineering Caption Stanford scientists have developed a "battery" that harnesses a special type of microbe to produce electricity by digesting the plant and animal waste dissolved in sewage. Credit Xing Xie,Stanford Engineering Usage Restrictions for use with story; provide credit 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.