Electrochemical impedance spectroscopy (EIS) is a powerful analytical technique used to measure the impedance of an electrochemical system over a range of frequencies. It provides insights into the dynamic processes occurring at the electrode interface, allowing researchers to assess charge transfer kinetics, mass transport limitations, and the properties of the electrolyte. By applying a small AC voltage and measuring the resulting current, EIS enables the characterization of various biomedical materials and devices, revealing vital information about their electrochemical behavior.
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