La-doped Al2O3 supported Au nanoparticles: highly active and selective catalysts for PROX under PEMFC operation conditions

Authors :: Wen-Cui Li
Xiaoyan Liu
Yanqiang Huang
Aiqin Wang
Tao Zhang
Jian Lin
Qingquan Lin
Botao Qiao
Lin Li
Source :: Chem. Commun.. 50:2721-2724
Publication Year :: 2014
Publisher :: Royal Society of Chemistry (RSC), 2014.
Abstract: La-doped γ-Al2O3 supported Au catalysts show high activity and selectivity for the PROX reaction under PEMFC operation conditions. The superior performance is attributed to the formation of LaAlO3, which suppresses H2 oxidation and strengthens CO adsorption on Au sites, thereby improving competitive oxidation of CO at elevated temperature.

Subjects :: Chemistry
Inorganic chemistry
Doping
PROX
Metals and Alloys
Proton exchange membrane fuel cell
Nanoparticle
General Chemistry
Catalysis
Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Adsorption
Materials Chemistry
Ceramics and Composites
High activity
Selectivity

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