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Superior compositional homogeneity and long-term catalytic stability of Ni–Ce0.75Zr0.25O2 cermets prepared via glycine nitrate process

Paper ID Volume ID Publish Year Pages File Format Full-Text
52777 46886 2009 5 PDF Available
Title
Superior compositional homogeneity and long-term catalytic stability of Ni–Ce0.75Zr0.25O2 cermets prepared via glycine nitrate process
Abstract

Multi-component ceramic oxides with a very good compositional homogeneity of NiO and Ce0.75Zr0.25O2 components were successfully obtained by glycine nitrate process (GNP). The EDS results indicated that the NiO was better homogeneously distributed over Ce0.75Zr0.25O2 in the catalysts prepared via GNP than in those prepared by mechanical mixing process. Stability test at 700 °C for 12 h showed the catalyst prepared by GNP has superior catalytic performance with higher and stable methane conversion than that prepared by mechanical mixing. The deactivation of the cermets prepared by mechanical mixing was originated due to the carbon deposition and microstructural deterioration.

Keywords
Glycine nitrate process; Partial oxidation of methane; Cermet catalysts; SOFCs
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Superior compositional homogeneity and long-term catalytic stability of Ni–Ce0.75Zr0.25O2 cermets prepared via glycine nitrate process
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 10, Issue 9, 25 April 2009, Pages 1334–1338
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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