Man holding vial (IMAGE) DOE/Pacific Northwest National Laboratory Caption This vial of clear, sodium-ion electrolyte provides the circulating “blood” that keeps the energy flowing through an experimental battery technology. Credit Photo by Andrea Starr | Pacific Northwest National Laboratory Usage Restrictions No restrictions. License Public Domain 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.