Flex (2 of 3) (IMAGE) Rice University Caption Rice University postdoctoral research Yang Yang holds an energy storage unit with the best qualities of batteries and supercapacitors in a scalable, flexible package. Credit Jeff Fitlow/Rice University 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.