Nanowire Roll (IMAGE) Rice University Caption The silicon/copper/polymer composite can be rolled from its silicon substrate and leave a mask in place to begin anew the process of making another anode for a lithium-ion battery. Credit Alexandru Vlad, Rice University 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.