Development of a fluorite/perovskite composite for the catalytic combustion of soot

M. A. de la Rosa-Guzmán, H. Romero-Mijangos, L. G. Cuéllar-Herrera, J. A. Fabián-Anguiano, B. H. Zeifert, H. A. Lara-García, J. Ortiz-Landeros, W. N. Téllez-Salazar

Research output: Contribution to journalArticlepeer-review

Abstract

The fluorite/perovskite composite with general formula Ce0.9Pr0.1O2−δ/Pr0.6Sr0.4Fe0.5Co0.5O3−δ was chemically synthesized by the citrate-EDTA method and subsequent calcination. First, the microstructural and textural properties of the ceramic powder were determined by several techniques such as XRD, N2 physisorption, SEM, and TEM. Then the catalyst was loaded with Co as a promoter phase. Next, the catalytic evaluations were performed using thermogravimetric analysis to determine the combustion temperature of soot. Moreover, a series of cyclic analyses were carried out to evaluate the thermal stability of the catalyst. Based on the thermogravimetry data, the kinetic parameters of the catalytic soot combustion process were obtained. Graphical abstract: [Figure not available: see fulltext.]

Original languageEnglish
Pages (from-to)989-995
Number of pages7
JournalMRS Advances
Volume6
Issue number45
DOIs
StatePublished - Dec 2021
Externally publishedYes

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