Continuous-flow electrochemical production of H2O2 in a gas diffusion electrode microreactor

Desislava Yordanova Apostolova; Ema Gričar; Maris Minna Mathew; Tomaž Gril; Miha Nosan; Ivo Bardarov; Boštjan Genorio

doi:10.1039/D6CC01364C

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Continuous-flow electrochemical production of H₂O₂ in a gas diffusion electrode microreactor

Desislava Yordanova Apostolova,^a Ema Gričar,^a Maris Minna Mathew,

^a Tomaž Gril,

^a Miha Nosan,^a Ivo Bardarov^ab and Boštjan Genorio

*^a

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* Corresponding authors

^a Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, 1000 Ljubljana, Slovenia
E-mail: bostjan.genorio@fkkt.uni-lj.si

^b Department of Chemistry, South-West University “Neofit Rilski”, 66 Ivan Mihajlov Str., 2700 Blagoevgrad, Bulgaria

Abstract

A microfluidic electrochemical reactor equipped with a gas diffusion cathode continuously produced up to 22.3 mM H₂O₂, with ∼88% faradaic efficiency and an energy consumption of 5.1 kWh kg⁻¹. This performance surpasses current membraneless electrochemical H₂O₂ production processes, eliminating the need for a membrane or separator while maintaining high efficiency.

This article is part of the themed collection: ChemComm Electrocatalysis

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DOI: https://doi.org/10.1039/D6CC01364C
Article type: Communication
Submitted: 06 Mar 2026
Accepted: 15 Apr 2026
First published: 17 Apr 2026
This article is Open Access

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Chem. Commun., 2026, Advance Article

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Continuous-flow electrochemical production of H₂O₂ in a gas diffusion electrode microreactor

D. Y. Apostolova, E. Gričar, M. M. Mathew, T. Gril, M. Nosan, I. Bardarov and B. Genorio, Chem. Commun., 2026, Advance Article , DOI: 10.1039/D6CC01364C

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Chemical Communications

Continuous-flow electrochemical production of H₂O₂ in a gas diffusion electrode microreactor

Abstract

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Continuous-flow electrochemical production of H₂O₂ in a gas diffusion electrode microreactor

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