fig6
![High hydrogen evolution activities of dual-metal atoms incorporated N-doped graphenes achieved by coordination regulation](https://image.oaes.cc/647b99ba-c13d-4529-9b84-58a369a9f683/jmi3034.fig.6.jpg)
Figure 6. Charge density difference and Bader charge values during the hydrogen evolution reaction, (A) CoN4-gra and (B) CoCoN6-gra. COHP and DOS between M-H in *H of (C) CoN4-gra and (D) CoCoN6-gra. COHP: Crystal orbital Hamiltonian population; DOS: density of state.