EISAnalysis.jl

This is a small package for working with Electrochemical Impedance Spectroscopy (EIS) data from electrochemical systems. It is currently designed to do the following:

1. Building and fitting custom Equivalent Circuit Models (ECMs) to EIS data
2. Computing Distribution of Relaxation Times (DRTs) from EIS data

This package defines a CircuitElement type and exports several circuit elements as variables. Circuits can be built quickly using overloaded base operators. In the following example, a Randles Circuit is constructed and its DRT function is computed.

randles_circuit = 0.23r-(r-0.025ws^80)/0.2q
randles_fit = compute_drt(randles_circuit.ω,randles_circuit.Z)