Battery (2 of 3) (IMAGE) Rice University Caption Kaushik Kalaga spreads a clay-based electrolyte/separator on one half of a button battery for testing. The batteries are meant for high-temperature environments where present lithium-ion batteries cannot be used. 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.