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 languageEnglish
JournalInternational Nano Letters
Volume14
Issue number3
Pages (from-to)1603-1608
ISSN1530-6992
DOIs
Publication statusPublished - 2014

Bibliographical note

© 2014 American Chemical Society

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