0Figure \ref{935612} illustrates the four different modes of electrosynthesis. Panels A and B illustrate the Z-scheme of the redox reactions occurring. In panel A we have the \(\text{H}_{2}\) generation Z-scheme that corresponds to panels B and D of figure\ref{345033}, and in panel B we have the Z-scheme of EET mechanism that corresponds to panels C and E of figure\ref{345033}. Panel C illustrates a circuit model for biotic fixation of \(\text{CO}_{2}\), and panel D illustrates a circuit model for abiotic fixation of \(\text{CO}_{2}\). Both circuit diagrams account for \(\text{H}_{2}\)mediated and EET mediated carbon fixation, and \(V_{\text{cell}}\) changes depending on the system.
The biotic fixation model follows from the transformer equation assuming an ideal transformer: