Magnesium Battery (IMAGE) University of Houston Caption Researchers from the University of Houston and the Toyota Research Institute of North America have reported a breakthrough in the development of magnesium batteries, allowing them to deliver a power density comparable to that of lithium-ion batteries. Credit University of Houston 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.