schematic (IMAGE) Rice University Caption Schematic of the battery recycling process developed by Rice University scientists that uses their signature Joule-heating technique to remove the inert layer on battery metals and lower their oxidation state, making them soluble in low-concentration acid. Credit (Image courtesy of the Tour lab/Rice University) Usage Restrictions Must credit the Tour lab/Rice University. 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.