Berkeley Lab battery scientists (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Berkeley Lab battery scientists Gerbrand Ceder (left) and Guoying Chen are co-leading the DRX Consortium. DRX (disordered rock salt) is a versatile battery material that can be made with almost any transition metal instead of nickel and cobalt. Credit Marilyn Sargent/Berkeley Lab 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.