2-D Maps of Lithium Concentration (image) DOE/Brookhaven National Laboratory Share Print E-Mail Caption 2D maps depict the concentration of lithium inside a single nanoparticle. Over time, the concentration increases, decreases, and then increases again. Credit Brookhaven National Laboratory Usage Restrictions OK to use with stories about this research. Share Print E-Mail 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.