Impedance spectroscopy characterization of PEM fuel cells with Fe-N-C-based cathodes

Tatyana Reshetenko; Alexey Serov; Andrei Kulikovsky; Plamen Atanassov

doi:10.1149/2.1431910jes

Impedance spectroscopy characterization of PEM fuel cells with Fe-N-C-based cathodes

Tatyana Reshetenko, Alexey Serov, Andrei Kulikovsky, Plamen Atanassov

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

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.

Original language	English
Pages (from-to)	F653-F660
Journal	Journal of the Electrochemical Society
Volume	166
Issue number	10
DOIs	https://doi.org/10.1149/2.1431910jes
State	Published - 2019
Externally published	Yes

Funding

T. Reshetenko gratefully acknowledges funding from US Office of Naval Research (N00014-18-1-2127). This work was supported by US DOE EERE grant DE-EE0008419 “Active and Durable PGM-free Cathodic Electrocatalysts for Fuel Cell Application” PI: Alexey Serov. The authors are thankful to Rohan Gokhale for preparing some electrode samples, Tina Carvalho for assisting with SEM, Günter Ran-dolf and Jack Huizingh for valuable help in the system operation and the Hawaiian Electric Company for ongoing support of the Hawaii Sustainable Energy Research Facility.

Funders	Funder number
US DOE EERE	DE-EE0008419
US Office of Naval Research	N00014-18-1-2127

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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.",

author = "Tatyana Reshetenko and Alexey Serov and Andrei Kulikovsky and Plamen Atanassov",

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AU - Serov, Alexey

AU - Kulikovsky, Andrei

AU - Atanassov, Plamen

PY - 2019

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AB - 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.

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ER -

Impedance spectroscopy characterization of PEM fuel cells with Fe-N-C-based cathodes

Abstract

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