Figure 1.

(A) CV of 1 mM [Ni(cyclam)]²⁺ in 0.5 M NaCl at a GCE at 1 V/s (0 to −1.6 to 0 V) under Ar and CO₂ versus Ag/AgCl, Pt counter separated by vycor frit, recorded without iR compensation. Plotted using IUPAC convention. (B) Reported catalytic cycle and deactivation pathway of [Ni(cyclam)]²⁺.²⁹