Issue 4, 2024

Metal–organic frameworks for electrocatalytic hydrogen peroxide production

Abstract

The electrocatalytic two electron oxygen reduction reaction (2e-ORR) has aroused extensive attention as a promising alternative route to the prevailing anthraquinone process for H2O2 production, where the design of efficient electrocatalysts with high activity, high selectivity and a high H2O2 production rate is the key. Metal–organic frameworks are an emerging class of crystalline porous materials with a high specific surface area, ease of structural control, and evenly distributed and well-defined metal sites. These remarkable features provide MOFs with great potential as high-performance electrocatalysts. To date, several excellent reviews of MOF-based electrocatalysts have been reported in the fields of 4e-ORR, oxygen evolution reaction, hydrogen evolution reaction, CO2 reduction reaction and nitrogen reduction reaction. However, a dedicated review of 2e-ORRs is still lacking. In this review, we provide an overview of the recent advances in the design of MOF-based 2e-ORR electrocatalysts for H2O2 production. The electrocatalytic mechanism and performance evaluation methods of the 2e-ORR is firstly introduced. Then, MOF-based 2e-ORR electrocatalysts including pristine MOFs, MOF composites and MOF derivatives are summarized with the structure–property relationships elucidated. Finally, some current challenges and future perspectives are discussed for the further development of this emerging field.

Graphical abstract: Metal–organic frameworks for electrocatalytic hydrogen peroxide production

Article information

Article type
Review Article
Submitted
01 sep. 2023
Accepted
05 dic. 2023
First published
19 dic. 2023

Mater. Chem. Front., 2024,8, 1084-1100

Metal–organic frameworks for electrocatalytic hydrogen peroxide production

X. Zhang, C. Zhang, C. Yu and C. Liu, Mater. Chem. Front., 2024, 8, 1084 DOI: 10.1039/D3QM00972F

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