# Toward the Decentralized Electrochemical Production of H 2 O 2 : A Focus on the Catalysis

“Toward the Decentralized Electrochemical Production of H 2 O 2 : A Focus on the Catalysis” (2018), by Sungeun Yang et al. Energy research paper. Original abstract below, unchanged. No free PDF was found.

- Authors: Sungeun Yang, Arnau Verdaguer‐Casadevall, Logi Arnarson, Luca Silvioli, Viktor Čolić, Rasmus Frydendal, Jan Rossmeisl, Ib Chorkendorff, Ifan E. L. Stephens
- Published: March 28, 2018
- Field: Energy
- DOI: https://doi.org/10.1021/acscatal.8b00217
- Source: https://orbit.dtu.dk/en/publications/f5aba9f5-45d5-4c2b-8a8b-e3c870f88e32

## Abstract

H 2 O 2 is a valuable, environmentally friendly oxidizing agent with a wide range of uses from the provision of clean water to the synthesis of valuable chemicals. The on-site electrolytic production of H 2 O 2 would bring the chemical to applications beyond its present reach. The successful commercialization of electrochemical H 2 O 2 production requires cathode catalysts with high activity, selectivity, and stability. In this Perspective, we highlight our current understanding of the factors that control the cathode performance. We review the influence of catalyst material, electrolyte, and the structure of the interface at the mesoscopic scale. We provide original theoretical data on the role of the geometry of the active site and its influence on activity and selectivity. We have also conducted a series of original experiments on (i) the effect of pH on H 2 O 2 production on glassy carbon, pure metals, and metal–mercury alloys, and (ii) the influence of cell geometry and mass transport in liquid half-cells in comparison to membrane electrode assemblies.

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