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Updated: Apr 5, 2026

On the Preparation and Testing of Fuel Cell Catalysts Using the Thin Film Rotating Disk Electrode Method
Published on: March 16, 2018
Toward the Rational Benchmarking of Homogeneous H2-Evolving Catalysts
Vincent Artero1, Jean-Michel Saveant2
1Univ Grenoble Alpes, CNRS and CEA, Laboratoire de Chimie et Biologie des Métaux, 17 rue des martyrs 38000 Grenoble, France.
None:
Molecular electrocatalysts for H2 evolution are usually studied under various conditions (solvent, proton sources) that prevent direct comparison of their performances. We provide here a rational method for such a benchmark based on (i) the recent analysis of the current-potential response for two-electron-two-step mechanisms and (ii) the derivation of catalytic Tafel plots reflecting the interdependency of turnover frequency and overpotential based on the intrinsic properties of the catalyst, independently of contingent factors such as the cell characteristics. Such a methodology is exemplified on a series of molecular catalysts among the most efficient in recent literature.
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