Table 3 Calculated differential capacitance for different intermediates during CO2 reduction reaction.
Differential Capacitance, Cdiff | |||
|---|---|---|---|
Species | Ni–N2C2 | Ni–N3C1 | Ni–N4 |
Empty sites | 15.87 | 20.06 | 17.02 |
CO2 | 29.00 | 19.85 | 14.88 |
Cis-COOH | 22.66 | 15.24 | 21.93 |
Trans-COOH | 23.79 | 14.64 | 20.30 |
CO | 12.34 | 16.98 | 14.38 |
TS01 | 22.88 | 13.34 | 21.98 |
TS02 | 23.21 | 13.25 | 23.85 |
TS13 | 14.01 | 13.73 | 13.38 |
TS23 | 14.28 | 12.36 | 15.56 |
[Ni–SAC]H | 15.87 | 13.20 | 19.43 |
[Ni–SAC]H2 | 14.91 | 12.70 | 14.30 |
