Stable acidic H2O2 electrosynthesis via in situ Ti-N bridging sites

Abstract

Acidic hydrogen peroxide electrosynthesis faces catalyst instability issues. We develop MIL-125@Ppy catalyst, achieving a high H2O2 electrosynthesis yield rate of 69.5 mol gcat−1 h−1 (Faradaic efficiency of 82.2%) at pH = 1 for more than 50 hrs. Spectroscopic evidence confirms *OOH key mediate stabilization by in situ formed Ti-N bridge sites enables the selective and stable two-electron pathway

Supplementary files

Article information

Article type
Communication
Submitted
03 Nov 2025
Accepted
23 Dec 2025
First published
24 Dec 2025

Chem. Commun., 2026, Accepted Manuscript

Stable acidic H2O2 electrosynthesis via in situ Ti-N bridging sites

Y. Zhang, S. Ding and S. Chen, Chem. Commun., 2026, Accepted Manuscript , DOI: 10.1039/D5CC06247K

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