All-solid-state lithium battery (IMAGE) Osaka Metropolitan University Caption Osaka Metropolitan University scientists crystalized Li3PS4, a solid electrolyte material, via rapid heating, enabling the stabilization of its high-temperature phase with exceptional ionic conductivity even at room temperature. Credit Akitoshi Hayashi, Osaka Metropolitan University Usage Restrictions News organizations may use or redistribute this image, with proper attribution, as part of news coverage of this paper only. License Original 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.