ANODE 2 (IMAGE) Rice University Caption A transmission electron microscope image of a graphite anode particle recovered from a lithium-ion battery shows the carbon shell that forms around the graphite during flash Joule heating. The process developed at Rice University removes impurities from the spent anodes so the material can be reused. Credit Tour Group/Rice University Usage Restrictions NONE License Original 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.