Chemical Substitution (IMAGE) DOE/Brookhaven National Laboratory Caption Substituting the cathode material with oxygen and cobalt prevents lithium from breaking chemical bonds and preserves the material's structure. Credit Brookhaven National Laboratory Usage Restrictions OK to use with stories about this research 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.