New battery chemistry (IMAGE) Oregon State University Caption The figure shows that copper can serve as an electrode for hosting anions in reversible battery reactions. (Image provided by Xiulei "David" Ji, OSU College of Science). Credit David Xi, OSU 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.