Issue 4, 2023
From the journal:

Physical Chemistry Chemical Physics

Enhanced electrochemical hydrogen oxidation reaction and suppressed hydrogen peroxide generation properties on Pt/Ir(111) bimetallic surfaces†

Kenta Hayashi, ORCID logo *a   Takeru Tomimori,a   Riku Sato,a   Naoto Todoroki ORCID logo a  and  Toshimasa Wadayamaa  

* Corresponding authors

a Graduate School of Environmental Studies, Tohoku University, Sendai 980-8579, Japan
E-mail: kenta.hayashi.r8@dc.tohoku.ac.jp

Abstract

Simultaneous accomplishment of high hydrogen oxidation reaction (HOR) activity and suppressed hydrogen peroxide (H2O2) generation is desired for anode catalysts of polymer electrolyte fuel cells. 0.3 monolayer-thick-Pt-deposited Ir(111) showed three-fold higher HOR activity than Pt(111) and suppressed H2O2 generation under the detection limit, providing insights for effective catalyst development.

Graphical abstract: Enhanced electrochemical hydrogen oxidation reaction and suppressed hydrogen peroxide generation properties on Pt/Ir(111) bimetallic surfaces

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Article information

DOI
https://doi.org/10.1039/D2CP05430B
Article type
Communication
Submitted
20 Nov 2022
Accepted
27 Dec 2022
First published
04 Jan 2023

Phys. Chem. Chem. Phys., 2023,25, 2770-2775

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Enhanced electrochemical hydrogen oxidation reaction and suppressed hydrogen peroxide generation properties on Pt/Ir(111) bimetallic surfaces

K. Hayashi, T. Tomimori, R. Sato, N. Todoroki and T. Wadayama, Phys. Chem. Chem. Phys., 2023, 25, 2770 DOI: 10.1039/D2CP05430B

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