MXene Electrode (IMAGE) DOE/Oak Ridge National Laboratory Caption In this MXene electrode, choosing the appropriate solvent for the electrolyte can increase energy density significantly. This scanning electron microscopy image shows fine features of a film only 5 microns thick -- approximately 10 times narrower than a human hair. Credit Drexel University; image by Tyler Mathis 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.