Electrochemical Impedance Spectroscopy (EIS) Performance Analysis and Challenges in Fuel Cell Applications

Electrochemical impedance spectroscopy (EIS) is a unique non-destructive technique employed to analyze various devices in different energy storage applications. It characterizes materials and interfaces for their properties heterogeneous systems employing equivalent circuits as models. So far, it has been used the performance of photovoltaic cells, fuel batteries, other devices, through circuit designing. This review highlights diverse applications EIS cells specific parameters affecting its performance. A particular emphasis laid on challenges faced by this possible solutions.