Research / 2019 / Article / Fig 3

Research Article

A Hybrid Na//K+-Containing Electrolyte//O2 Battery with High Rechargeability and Cycle Stability

Figure 3

Electrochemical measurements and characterization. (a) Photograph of RRDE in a three-electrode cell. (b) Schemes of RRDE. (c) Current responses of oxygen reduction/evolution reaction on RRDE.