Disorder symmetry. (IMAGE) Université de Genève Caption Three-dimensional surface of sodium ion diffusion in a hydroborate crystal. This new material forms a disordered yet highly symmetrical structure, allowing a mobility of sodium comparable to that of lithium in commercial battery. Credit © UNIGE/Brighi 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.