Cyclic Voltammetry is a technique used to characterize electrochemical cells. The cell potential is slowly raised and lowered, and the current response of the material is analyzed. This can be used to understand the kinetics and underlying thermodynamics of a reaction.
Excellent article on it
Best External Resource
Kissinger, P. T., & Heineman, W. R. (1983). Cyclic voltammetry. Journal of Chemical Education, 60(9), 702