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Updated: Apr 16, 2026

On the Preparation and Testing of Fuel Cell Catalysts Using the Thin Film Rotating Disk Electrode Method

On the Preparation and Testing of Fuel Cell Catalysts Using the Thin Film Rotating Disk Electrode Method

Published on: March 16, 2018

Gas diffusion electrode setup for catalyst testing in concentrated phosphoric acid at elevated temperatures.

Gustav K H Wiberg¹, Michael Fleige¹, Matthias Arenz¹

¹Department of Chemistry and Nano-Science Center, University of Copenhagen, Universitetsparken 5, 2100 Ø Copenhagen, Denmark.

The Review of Scientific Instruments

|March 2, 2015

Summary

We developed a new electrochemical cell for testing high-temperature proton exchange membrane fuel cell (HT-PEMFC) catalysts under realistic conditions. This setup allows detailed investigation of gas diffusion electrodes in concentrated phosphoric acid at elevated temperatures.

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Area of Science:

Electrochemistry
Materials Science
Energy Conversion

Background:

High-temperature proton exchange membrane fuel cells (HT-PEMFCs) require robust catalysts for efficient operation.
Investigating catalyst performance under realistic operating conditions is crucial for fuel cell development.

Purpose of the Study:

To design and validate an electrochemical cell setup for studying gas diffusion electrodes.
To enable testing of catalysts in concentrated phosphoric acid at elevated temperatures, mimicking HT-PEMFC environments.

Main Methods:

Construction of a three-electrode electrochemical cell with a stainless steel flow field and PEEK cell body.
Assembly using a KF-25 vacuum flange clamp for ease of use.
Testing of carbon-supported high surface area catalysts.

Main Results:

The setup successfully facilitates investigation of temperature-dependent electrochemical processes.
Demonstrated capability for rapid screening of HT-PEMFC catalysts under simulated operational conditions.

Conclusions:

The developed electrochemical cell is suitable for detailed analysis of electrocatalysts.
The setup provides a valuable tool for advancing HT-PEMFC technology through realistic catalyst evaluation.