| Elementary steps | ΔE | ΔZPE | −TΔS | ΔG |
NiFe-LDHs (100) Fe作位点 | H2O (l) + 1 → 2 + H+ + e− | 1.078 | −0.097 | 0.470 | 1.451 |
2 → 3 + H+ + e− | 2.300 | −0.167 | −0.200 | 1.933 | |
H2O (l) + 3 → 4 + H+ + e− | 0.457 | −0.046 | 0.470 | 0.881 | |
4 → 1 + O2 + H+ + e− | 0.936 | −0.190 | −0.830 | 0.655 | |
NiFe-LDHs (100) Ni作位点 | H2O (l) + 5 → 6 + H+ + e− | 1.010 | −0.074 | 0.470 | 1.406 |
6 → 7 + H+ + e− | 2.598 | −0.183 | −0.200 | 2.215 | |
H2O (l) + 7 → 8 + H+ + e− | 0.426 | −0.047 | 0.470 | 0.849 | |
8 → 5 + H+ + e− | 1.052 | −0.196 | −0.830 | 0.450 |