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Title: Impedance Spectroscopy Characterization of PEM Fuel Cells with Fe-N-C-Based Cathodes

Abstract

We report impedance spectroscopy analysis of PEM fuel cells built with platinum group metal-free (PGM-free) Fe-N-C cathodes with the catalyst loading and ionomer to catalyst ratio being variable parameters. The dependence of key cathode transport and kinetic parameters on the cell current density J are obtained in the range from 0.025 to 0.4 A cm-2. The electrode performance is evaluated using the characteristic current densities for proton and oxygen transport in the cathode catalyst layer. Overall, certain electrode configurations demonstrate proton and oxygen transport properties comparable to those of Pt/C systems, making them promising substitutes for platinum at cathodic side of PEM fuel cells.

Authors:
ORCiD logo [1];  [2]; ORCiD logo [3];  [4]
  1. Univ. of Hawaii, Honolulu, HI (United States)
  2. Pajarito Powder, LLC, Albuquerque, NM (United States)
  3. Inst. of Energy and Climate Research, Jülich (Germany)
  4. Univ. of California, Irvine, CA (United States)
Publication Date:
Research Org.:
Pajarito Powder, LLC, Albuquerque, NM (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
OSTI Identifier:
1613520
Grant/Contract Number:  
EE0008419
Resource Type:
Accepted Manuscript
Journal Name:
Journal of the Electrochemical Society
Additional Journal Information:
Journal Volume: 166; Journal Issue: 10; Journal ID: ISSN 0013-4651
Publisher:
IOP Publishing - The Electrochemical Society
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Electrochemistry; Materials Science

Citation Formats

Reshetenko, Tatyana, Serov, Alexey, Kulikovsky, Andrei, and Atanassov, Plamen. Impedance Spectroscopy Characterization of PEM Fuel Cells with Fe-N-C-Based Cathodes. United States: N. p., 2019. Web. doi:10.1149/2.1431910jes.
Reshetenko, Tatyana, Serov, Alexey, Kulikovsky, Andrei, & Atanassov, Plamen. Impedance Spectroscopy Characterization of PEM Fuel Cells with Fe-N-C-Based Cathodes. United States. https://doi.org/10.1149/2.1431910jes
Reshetenko, Tatyana, Serov, Alexey, Kulikovsky, Andrei, and Atanassov, Plamen. Wed . "Impedance Spectroscopy Characterization of PEM Fuel Cells with Fe-N-C-Based Cathodes". United States. https://doi.org/10.1149/2.1431910jes. https://www.osti.gov/servlets/purl/1613520.
@article{osti_1613520,
title = {Impedance Spectroscopy Characterization of PEM Fuel Cells with Fe-N-C-Based Cathodes},
author = {Reshetenko, Tatyana and Serov, Alexey and Kulikovsky, Andrei and Atanassov, Plamen},
abstractNote = {We report impedance spectroscopy analysis of PEM fuel cells built with platinum group metal-free (PGM-free) Fe-N-C cathodes with the catalyst loading and ionomer to catalyst ratio being variable parameters. The dependence of key cathode transport and kinetic parameters on the cell current density J are obtained in the range from 0.025 to 0.4 A cm-2. The electrode performance is evaluated using the characteristic current densities for proton and oxygen transport in the cathode catalyst layer. Overall, certain electrode configurations demonstrate proton and oxygen transport properties comparable to those of Pt/C systems, making them promising substitutes for platinum at cathodic side of PEM fuel cells.},
doi = {10.1149/2.1431910jes},
journal = {Journal of the Electrochemical Society},
number = 10,
volume = 166,
place = {United States},
year = {Wed Jun 26 00:00:00 EDT 2019},
month = {Wed Jun 26 00:00:00 EDT 2019}
}

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