ANODE 3 (IMAGE) Rice University Caption Rice University chemists use flash Joule heating to recover graphite anodes from spent lithium-ion batteries at a cost of about $118 per ton. Credit Weiyin Chen/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.