Figure 4.

Electrochemical properties of the NOHCs electrode. a) CV curves of the NOHC‐800 electrode at a scan rate of 0.1 mV s⁻¹. b) Galvanostatic charge/discharge curves of NOHC‐800 at 0.1 A g⁻¹. c) Cycling performance and CE of NOHCs at 0.1 A g⁻¹. d) Rate performance of NOHCs at various current densities. e) Cycling performance and CE of NOHCs at 1 A g⁻¹.