Electrochemical Phenomena in the Cathode Impedance Spectrum of PEM Fuel Cells: Fundamentals and Applications...

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Samuel Cruz-Manzo (Research Fellow, University of Lincoln; External Research Engineer, Siemens Energy Ltd., Lincoln, UK) Paul Greenwood (Research Engineer, Abastecedora Electrica Tehuacan, Mexico)

Electrochemical Phenomena in the Cathode Impedance Spectrum of PEM Fuel Cells

Fundamentals and Applications

Samuel Cruz-Manzo (Research Fellow, University of Lincoln; External Research Engineer, Siemens Energy Ltd., Lincoln, UK), Paul Greenwood (Research Engineer, Abastecedora Electrica Tehuacan, Mexico)

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English

Elsevier - Health Sciences Division
22 June 2022

Chemical engineering; Energy technology & engineering; Petroleum technology

Electrochemical Phenomena in the Cathode Impedance Spectrum of PEM Fuel Cells: Fundamentals, Modelling, and Applications establishes how the electrochemical and diffusion mechanisms of a polymer electrolyte membrane fuel cell (PEMFC) are related to electrochemical impedance spectroscopy (EIS) measurements using physics-based impedance models derived from fundamental electrode and diffusion theories. The contribution of the different phenomena occurring at the different layers comprising the cathode on the impedance response of the PEMFC is revealed through EIS-modelling analysis. The relation between EIS measurements and polarisation curves representing the performance of PEMFCs is established. Insight is gained into how the EIS response of the PEMFC changes at different operating conditions e.g. relative humidity, load demand, gas reactant stoichiometry and temperature using physics-based impedance models. The application of impedance models with EIS measurements carried out in the individual cells comprising a PEMFC stack is demonstrated, while recent modelling approaches and other impedance models reported in the literature to represent the EIS response of the PEMFC are also considered and discussed.

By: Samuel Cruz-Manzo (Research Fellow University of Lincoln; External Research Engineer Siemens Energy Ltd. Lincoln UK), Paul Greenwood (Research Engineer, Abastecedora Electrica Tehuacan, Mexico)
Imprint: Elsevier - Health Sciences Division
Country of Publication: United States
Dimensions: Height: 229mm, Width: 152mm,
Weight: 610g
ISBN: 9780323906074
ISBN 10: 0323906079
Pages: 386
Publication Date: 22 June 2022
Audience: Professional and scholarly , Undergraduate
Format: Paperback
Publisher's Status: Active

Part I. Fundamentals of PEM Fuel Cells and EIS 1. Introduction to Electrochemical Impedance Spectroscopy 2. Fundamentals of PEM Fuel Cells 3. Electrochemical Impedance Spectroscopy in PEM Fuel Cells Part II. Modelling 4. Impedance Model of the Cathode Catalyst Layer 5. Impedance model of the Cathode Electrode 6. Inductive loops at low frequencies of the impedance spectrum Part III. Modelling Application 7. Electrochemical phenomena represented in the cathodic impedance spectrum 8. Performance analysis in the individual cells of a PEMFC stack through an EIS-Modelling Approach Appendix. A.1 Fast Fourier algorithm for validation of EIS data, (Chapter 3) A.2 Graphic user interface in Matlab® to fit the PEMFC impedance model with EIS measurements (Chapters 7 and 8)

Dr. Samuel Cruz-Manzo is a research fellow from the University of Lincoln, UK with a solid understanding of electrochemical impedance spectroscopy (EIS) in polymer electrolyte membrane fuel cells (PEMFCs) and has also worked with EIS and modelling in Nickel-metal hydride and Lithium-ion batteries. Dr. Cruz-Manzo has experience in real-time dynamic modelling and diagnostic of failures in industrial gas turbines on projects funded by Siemens Energy, Lincoln, UK and previously worked as a simulation engineer at a UK fuel cell company (Intelligent Energy Ltd.). He obtained his PhD degree at Loughborough University UK with a research project related to EIS modelling in PEMFCs. During his PhD study Dr. Cruz-Manzo obtained a prestigious international student research award in Fuel Cells, the Fuel Cell Baker Award 2013, USA Dr. Paul Greenwood is a research engineer from the Abastecedora Electrica Tehuacan, Mexico and his interests include the performance analysis of electrochemical systems through EIS and modelling. Dr. Greenwood has obtained a PhD degree in Loughborough University UK with a research project related to enhancement of flow field plates in PEMFCs.