Figure (IMAGE) Science China Press Caption (a) Schematic illustration of the K-ion full battery based on the as-prepared BCC and Prussian Blue (PB). (b) Charge-discharge profiles of the half battery and full battery. (c) Cycling stability at 500 mA g-1. Credit @Science China Press Usage Restrictions Use with credits 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.