Ion Storage (IMAGE) Science China Press Caption This image shows electrochemical lithium/sodium ion storage performance of the SPCB based electrodes containing 90 percent and 60 percent of active materials (C = 300 mA g?1) Credit ©Science China Press Usage Restrictions None License Licensed 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.