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

被引：4
|
作者：
Hayashi, Kenta [1 ]
Tomimori, Takeru [1 ]
Sato, Riku [1 ]
Todoroki, Naoto [1 ]
Wadayama, Toshimasa [1 ]
机构：
[1] Tohoku Univ, Grad Sch Environm Studies, Sendai 9808579, Japan
来源：
PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2023年 / 25卷 / 04期
关键词：
OXYGEN REDUCTION REACTION; MEMBRANE DEGRADATION; H2O2; PRODUCTION; FUEL-CELL; ELECTROCATALYSTS; MICROSCOPY; NANOPARTICLES; SUBSTRATE; CATALYSTS; CROSSOVER;
D O I：
10.1039/d2cp05430b
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
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.
引用
收藏
页码：2770 / 2775
页数：6
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