Electrode Before And After Discharge (IMAGE) University College London Caption This figure is showing grey scale horizontal cross section of a pristine electrode before (a & b) and after discharge (c & d). Inset: Section of the current collecting mesh showing a 3D view of the crack openings. Credit Donal Finegan, UCL Usage Restrictions Please credit Donal Finegan, UCL 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.