A student holds a battery coin cell (IMAGE) Penn State Caption Yi-Chen Lan, doctoral student in chemical engineering at Penn State and first author of a paper published in ChemSusChem, holds a battery coin cell that contains composite electrolytes reprocessed through cold sintering. Credit Poornima Tomy/Penn State Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.