Methyl Viologen Process (IMAGE) University of California - Riverside Caption These are illustrations of the design principles of using methyl viologen to form a stable coating to allow the stable cycling of lithium metal. Credit UC Riverside 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.