Trapping 1 (IMAGE) Rice University Caption Rice University postdoctoral fellow Anulekha Haridas holds a full-cell lithium-ion battery built to test the effect of an alumina coating on the cathode. The nanoscale coating protects cathodes from degrading. Credit Jeff Fitlow/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.