How to Perform EIS Circuit Fitting of a Proton-Exchange Membrane (PEM) Water Electrolyzer

The following is a clip from a recent advanced Electrochemical Impedance Spectroscopy (EIS) webinar. In this specific video, Dr. Neil Spinner demonstrates how to perform circuit fitting of a Proton-Exchange Membrane (PEM) Water Electrolyzer, sometimes referred to as a reverse PEM fuel cell. Neil goes over what a PEM water electrolyzer is, what kind of circuit model to use (and why), and finishes up with data analysis and conclusions. This is very useful if you are doing any kind of PEM research as it should help you in doing EIS circuit fitting. Not only should your fitting improve, but you should be able to extract some very useful information from the data analysis.

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Time stamps:
00:00 Intro
01:14 What is a PEM Water Electrolyzer?
05:49 Circuit Models for PEM Water Electrolyzers
08:08 Experiment Data and EIS analysis