Juanhua Song, Washington State University (IMAGE) Washington State University Caption WSU PhD graduate Junhua Song and colleagues created a sodium-ion battery that holds as much energy and works as well as some commercial lithium-ion battery chemistries. Credit WSU 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.