Bridging the gap with an ionic liquid. (IMAGE) Tokyo Metropolitan University Caption The addition of an ionic liquid to the cathode material fills structural voids and provides a better interface with the solid electrolyte. Credit Tokyo Metropolitan University Usage Restrictions Can be used with credit License Original 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.