Electrochemical performance (IMAGE) Science China Press Caption (a) Galvanostatic charge and discharge profiles of cells in x=0 and x=4 electrolytes at 0.5 A g–1. (b) Cycle performances at 0.5 A g–1. (c) Energy density retention rate of electrolytes cycled after 350 cycles. (d) Polarization voltage of the cells at different number of cycles. (e) Self-discharge curves of x=0 and x=4 electrolytes. (f) Cycle performances of soft-pack battery at 0.3 A g–1. Credit ©Science China Press Usage Restrictions Use with credit. 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.