Improving the efficiency of fully hydrocarbon-based proton-exchange membrane fuel cells by ionomer content gradients in cathode catalyst layers

Author:

Nguyen Hien12ORCID,Sultanova Dilara2,Heizmann Philipp A.13ORCID,Vierrath Severin123ORCID,Breitwieser Matthias12

Affiliation:

1. Electrochemical Energy Systems, IMTEK–Department of Microsystems Engineering, University of Freiburg, Georges-Koehler-Allee 103, 79110 Freiburg, Germany

2. Hahn-Schickard, Georges-Koehler-Allee 103, 79110 Freiburg, Germany

3. University of Freiburg, Institute and FIT–Freiburg Center for Interactive Materials and Bioinspired Technologies, Georges-Köhler-Allee 105, 79110 Freiburg, Germany

Abstract

The optimized hydrocarbon catalyst layer enables high performance in higher potentials (0.7 V) and peak power density under hot and dry operation conditions.

Funder

Bundesministerium für Bildung und Forschung

Bundesministerium für Verkehr und Digitale Infrastruktur

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Chemistry (miscellaneous)

Reference45 articles.

1. (Invited) Toward the Future Fuel Cell -Challenge for 2040-

2. Fully Hydrocarbon Membrane Electrode Assemblies for Proton Exchange Membrane Fuel Cells and Electrolyzers: An Engineering Perspective

3. European chemical agency. Five European states call for evidence on broad PFAS restriction. https://echa.europa.eu/de/-/five-european-states-call-for-evidence-on-broad-pfas-restriction (accessed October 25, 2021)

4. The Organisation for Economic Co-operation and Development. Reconciling Terminology of the Universe of Per- and Polyfluoroalkyl Substances: Recommendations and Practical Guidance. https://www.oecd.org/chemicalsafety/portal-perfluorinated-chemicals/terminology-per-and-polyfluoroalkyl-substances.pdf

5. Sulfo-Phenylated Polyphenylenes Containing Sterically Hindered Pyridines

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