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Issue 11, 2014
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Toward the rational benchmarking of homogeneous H2-evolving catalysts

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Abstract

Molecular electrocatalysts for H2 evolution are usually studied under various conditions (solvent and 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, independent of contingent factors such as cell characteristics. Such a methodology is exemplified on a series of molecular catalysts among the most efficient in the recent literature.

Graphical abstract: Toward the rational benchmarking of homogeneous H2-evolving catalysts

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Publication details

The article was received on 02 Jun 2014, accepted on 06 Aug 2014 and first published on 07 Aug 2014


Article type: Paper
DOI: 10.1039/C4EE01709A
Energy Environ. Sci., 2014,7, 3808-3814

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    Toward the rational benchmarking of homogeneous H2-evolving catalysts

    V. Artero and J. Saveant, Energy Environ. Sci., 2014, 7, 3808
    DOI: 10.1039/C4EE01709A

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