fig4
![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.4.jpg)
Figure 4. Gibbs free energy of H adsorption (ΔG*H) at different sites on MMN5-gra/M1M2N5-gra. For the non-metal sites, only the values with the strongest adsorption are shown.
Figure 4. Gibbs free energy of H adsorption (ΔG*H) at different sites on MMN5-gra/M1M2N5-gra. For the non-metal sites, only the values with the strongest adsorption are shown.
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