Ions moving in electric field (VIDEO) Uppsala University This video is under embargo. Please login to access this video. Caption The film shows how ions move in an electric field. The lithium ion attracts fluoride and chloride towards the cathode, and only the iodide moves towards the anode. Credit Walz, M.-M. and van der Spoel, D. Usage Restrictions May only be published in connection to reports about the research by Walz, M.-M. and van der Spoel, D. 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.