Mass Spec (IMAGE) DOE/Pacific Northwest National Laboratory Caption Scientists load a specially designed lithium-ion battery into a secondary ion mass spectrometer that allows them to see the formation of the solid-electrolyte interphase at the molecular level while the battery operates. Credit Photo by Andrea Starr/PNNL Usage Restrictions Please use credit info 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.