Dual-ion Battery (IMAGE) Oregon State University Caption In dual-ion batteries, upon charging, anions migrate into the lattice of the positive electrode and cations move into the structure of the negative electrode. Credit (Image courtesy of Oregon State University) 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.