Donghai Wang (IMAGE) Southern Methodist University Caption SMU mechanical engineer Donghai Wang and his research team have found a way to make lithium-sulfur batteries last longer – with higher energy levels – than existing renewable batteries. That could pave the way for Li-S batteries being the next generation of renewable batteries for electric vehicles and other devices. Credit SMU Usage Restrictions None 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.