Influence of calcination temperature and atmosphere preparation parameters on CO-PROX activity of catalysts based on CeO sub(2/CuO inverse configurations)

Catalysts based on inverse CeO sub(2/CuO configurations employed for preferential oxidation of CO in a H) sub(2)-rich stream have been explored with respect to optimization of preparation parameters like calcination temperature and atmosphere. For this purpose, the catalysts precursors prepared by m...

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Published in:Journal of power sources 2011-05, Vol.196 (9), p.4364-4369
Main Authors: Camara, Antonio Lopez, Kubacka, Anna, Schay, Zoltan, Koppany, Zs, Martinez-Arias, Arturo
Format: Article
Language:English
Subjects:
ACTIVITY
CALCINATION
Carbon monoxide
Catalysis
CATALYSTS
CERIUM ALLOYS (0 TO 50 CE)
COPPER OXIDE
Inverse
Optimization
PARAMETERS
Precursors
Temperature
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container_end_page 4369
container_issue 9
container_start_page 4364
container_title Journal of power sources
container_volume 196
creator Camara, Antonio Lopez
Kubacka, Anna
Schay, Zoltan
Koppany, Zs
Martinez-Arias, Arturo
description Catalysts based on inverse CeO sub(2/CuO configurations employed for preferential oxidation of CO in a H) sub(2)-rich stream have been explored with respect to optimization of preparation parameters like calcination temperature and atmosphere. For this purpose, the catalysts precursors prepared by microemulsion have been characterized by TG-DTA, DRIFTS and XRD in order to select most adequate conditions. Selected specimens were further analysed by S sub(BET measurements as well as with respect to catalytic and redox properties by activity measurements and H) sub(2)-TPR tests. Activity differences are explained on the basis of textural, chemical and structural characteristics of the catalysts as a function of variations in the mentioned preparation parameters, with optimum properties being achieved for the specimen calcined under air at 500 [deg]C.
doi_str_mv 10.1016/j.jpowsour.2010.09.085
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subjects ACTIVITY
CALCINATION
Carbon monoxide
Catalysis
CATALYSTS
CERIUM ALLOYS (0 TO 50 CE)
COPPER OXIDE
Inverse
Optimization
PARAMETERS
Precursors
Temperature
title Influence of calcination temperature and atmosphere preparation parameters on CO-PROX activity of catalysts based on CeO sub(2/CuO inverse configurations)
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