(IMAGE) Toyohashi University of Technology (TUT) Caption Long-term cycling performance of Sn4P3/C composite films at different cell voltage windows ranging from 0 V to 0.75 V, and that from 1 V and to 1.25 V (left). SEM images of Sn4P3/C composite film surfaces cycled at 0 V-0.75 V (middle) and that at 0 V-1.25 V (right) are also shown. Credit COPYRIGHT (C) TOYOHASHI UNIVERSITY OF TECHNOLOGY. ALL RIGHTS RESERVED. 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.