Issue 53, 2024

Surface charge modulation boosts electrocatalytic water splitting over iridium catalysts on a polyimide support

Abstract

Developing high-performance iridium (Ir)-based catalysts with minimal precious Ir metal is a significant but challenging step towards the acidic oxygen evolution reaction (OER). Here, we report a high-performance OER catalyst with Ir nanoparticles on a polyimide support, where the polyimide support can effectively modulate the electronic structures of the Ir active sites for decreased thermodynamic barriers, but also enrich the local proton concentration near the Ir active sites, enhancing the OER rates.

Graphical abstract: Surface charge modulation boosts electrocatalytic water splitting over iridium catalysts on a polyimide support

Supplementary files

Article information

Article type
Communication
Submitted
12 mars 2024
Accepted
04 juin 2024
First published
05 juin 2024

Chem. Commun., 2024,60, 6821-6824

Surface charge modulation boosts electrocatalytic water splitting over iridium catalysts on a polyimide support

L. Zhang, S. Zhang, J. Bai, Y. Ding, J. Ye, Y. Song, E. Debroye, W. Fan and T. Liu, Chem. Commun., 2024, 60, 6821 DOI: 10.1039/D4CC01113A

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