Researchers (IMAGE) Rice University Caption Postdoctoral research Hemtej Gullapalli, standing, and graduate student Marco-Túlio Rodrigues are part of a team developing new battery technologies at Rice University. Their latest project used hexagonal boron nitride as a key element in an electrolyte and separator that allows lithium-ion batteries to withstand long stretches in temperatures up to 150 degrees Celsius. Credit Jeff Fitlow/Rice University Usage Restrictions For news reporting purposes only. 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.