Optimizing the charging protocol to address the self-discharge issues in rechargeable alkaline Zn-Co batteries

This work systematically investigates the self-discharge phenomenon of Zn-Co batteries and further analyzes the mechanism of the charging and discharging process. In order to solve the self-discharge problem, this work proposes a new charging protocol with galvanostatic charging and then potentiostatic charging, which effectively improves the retention of battery capacity after delay and enhances the practical discharge capacity as well as the cycling stability.

December 2021