Flex (1 of 3) (image) Rice University Caption A porous nickel-fluoride film less than a micron thick, seen here in an electron microscope image, is an effective electrode in a new type of battery created at Rice University. The flexible film combines the best qualities of supercapacitors and batteries for potential use in flexible electronics. Credit Tour Group/Rice University Usage Restrictions None 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.