Extended Data Fig. 7: Electrically driven operation of [3]CMM.

a, Graphical illustration of the electrochemical cell used in the repeated controlled potential electrolysis experiments. CE, counter electrode; RE, reference electrode; WE, working electrode. b, Photographs of the oxidized state (left) [3]CMM13+ and the reduced state (right) [3]CMM7+6• in the electrochemical cell.