Trends in the Electrochemical Synthesis of H2O2: Enhancing Activity and Selectivity by Electrocatalytic Site Engineering

Arnau Verdaguer Casadevall; Davide Deiana; Mohammadreza Karamad; Samira Siahrostami; Paolo Malacrida; Thomas Willum Hansen; Jan Rossmeisl; Ib Chorkendorff; Ifan Stephens

doi:10.1021/nl500037x

Trends in the Electrochemical Synthesis of H₂O₂: Enhancing Activity and Selectivity by Electrocatalytic Site Engineering

Arnau Verdaguer Casadevall, Davide Deiana, Mohammadreza Karamad, Samira Siahrostami, Paolo Malacrida, Thomas Willum Hansen, Jan Rossmeisl, Ib Chorkendorff, Ifan Stephens

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Abstract

The direct electrochemical synthesis of hydrogen peroxide is a promising alternative to currently used batch synthesis methods. Its industrial viability is dependent on the effective catalysis of the reduction of oxygen at the cathode. Herein, we study the factors controlling activity and selectivity for H₂O₂ production on metal surfaces. Using this approach, we discover two new catalysts for the reaction, Ag–Hg and Pd–Hg, with unique electrocatalytic properties both of which exhibit performance that far exceeds the current state-of-the art.

Original language	English
Journal	International Nano Letters
Volume	14
Issue number	3
Pages (from-to)	1603-1608
ISSN	1530-6992
DOIs	https://doi.org/10.1021/nl500037x
Publication status	Published - 2014

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abstract = "The direct electrochemical synthesis of hydrogen peroxide is a promising alternative to currently used batch synthesis methods. Its industrial viability is dependent on the effective catalysis of the reduction of oxygen at the cathode. Herein, we study the factors controlling activity and selectivity for H2O2 production on metal surfaces. Using this approach, we discover two new catalysts for the reaction, Ag–Hg and Pd–Hg, with unique electrocatalytic properties both of which exhibit performance that far exceeds the current state-of-the art.",

author = "{Verdaguer Casadevall}, Arnau and Davide Deiana and Mohammadreza Karamad and Samira Siahrostami and Paolo Malacrida and Hansen, {Thomas Willum} and Jan Rossmeisl and Ib Chorkendorff and Ifan Stephens",

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AU - Verdaguer Casadevall, Arnau

AU - Deiana, Davide

AU - Karamad, Mohammadreza

AU - Siahrostami, Samira

AU - Malacrida, Paolo

AU - Hansen, Thomas Willum

AU - Rossmeisl, Jan

AU - Chorkendorff, Ib

AU - Stephens, Ifan

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AB - The direct electrochemical synthesis of hydrogen peroxide is a promising alternative to currently used batch synthesis methods. Its industrial viability is dependent on the effective catalysis of the reduction of oxygen at the cathode. Herein, we study the factors controlling activity and selectivity for H2O2 production on metal surfaces. Using this approach, we discover two new catalysts for the reaction, Ag–Hg and Pd–Hg, with unique electrocatalytic properties both of which exhibit performance that far exceeds the current state-of-the art.

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DO - 10.1021/nl500037x

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