fig7
![Investigation of dual atom doped single-layer MoS<sub>2</sub> for electrochemical reduction of carbon dioxide by first-principle calculations and machine-learning](https://image.oaes.cc/03c72cff-9c99-4396-bcc8-fb8aedff87f0/jmi3029.fig.7.jpg)
Figure 7. The limiting potential difference between CO2 reduction [UL(CO2RR)] and HER [UL(HER)] over MoS2-NiCr and MoS2-CrCo catalysts. The inset in the figure is the free energy diagram of HER. CO2RR: Carbon dioxide reduction reaction; HER: hydrogen evolution reaction; UL: limiting potential.