Correcting for Inductance in Low-Impedance Electrochemical Systems

Electrochemical impedance spectroscopy (EIS) and distribution of relaxation times (DRT) analysis are central tools in the study of solid oxide cells because of their application to the characterization and deconvolution of cell processes. Reliable analysis of these processes, however, depends on reproducible electrochemical characterization. In this study, we explore the impact of inductance correction on the EIS and DRT spectra of a cutting edge, low-impedance reversible solid oxide cell system. Our analyses demonstrate the importance of inductance correction for the deconvolution of cell processes with DRT analysis. An open-source set of inductance-correcting functions, written in Python, is also presented.