Supercapacitor (IMAGE) Drexel University Caption This is a supercapacitor under an optical microscope. To optimize space, its 18 electrodes are interdigitated. Credit CIRIMAT 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.