2 - Dr. Kang Xu (IMAGE) U.S. Army Research Laboratory Caption Dr. Kang Xu is part of a team of Army researchers who hope their work will bring future Soldiers a completely safe and flexible Li-ion battery that provides identical energy density as current batteries. Credit U.S. Army photo by Conrad Johnson 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.