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Volcano plots in hydrogen electrocatalysis – uses and abuses

Open access
Quaino, Paola, Juarez, Fernanda, Santos, Elizabeth, Schmickler, Wolfgang·2014·Beilstein Journal of Nanotechnology

Abstract

Sabatier’s principle suggests, that for hydrogen evolution a plot of the rate constant versus the hydrogen adsorption energy should result in a volcano, and several such plots have been presented in the literature. A thorough examination of the data shows, that there is no volcano once the oxide-covered metals are left out. We examine the factors that govern the reaction rate in the light of our own theory and conclude, that Sabatier’s principle is only one of several factors that determine the rate. With the exception of nickel and cobalt, the reaction rate does not decrease for highly exothermic hydrogen adsorption as predicted, because the reaction passes through more suitable intermediate states. The case of nickel is given special attention; since it is a 3d metal, its orbitals are compact and the overlap with hydrogen is too low to make it a good catalyst.

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Metadata

Authors
Quaino, P., Juarez, F., Santos, E., & Schmickler, W.
Venue
Beilstein Journal of Nanotechnology
Published
2014-06-13
Volume
5
Pages
846-854
ISSN
2190-4286 (ISSN-L)
OpenAlex
W2169574440
Cited by
608
References
3
FWCI
7.97
Type
journal article
Language
en
Open access
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CoChat. (2026). Citation check: Volcano plots in hydrogen electrocatalysis – uses and abuses. https://app.cochat.ai/papers/10.3762/bjnano.5.96
The paper
Quaino, P., Juarez, F., Santos, E., & Schmickler, W. (2014). Volcano plots in hydrogen electrocatalysis – uses and abuses. Beilstein Journal of Nanotechnology. https://doi.org/10.3762/bjnano.5.96

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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