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Ce–Zr–Sr mixed oxide prepared by the reversed microemulsion method for improved Pd-only three-way catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
51699 46850 2008 5 PDF Available
Title
Ce–Zr–Sr mixed oxide prepared by the reversed microemulsion method for improved Pd-only three-way catalysts
Abstract

A reversed microemulsion method was developed to prepare the nano-sized Ce–Zr–Sr ternary mixed oxide (Ce0.67Zr0.33Sr0.03O2.03) with a good thermal stability and high surface area up to 150.6 m2 g−1. The measurements of the dynamic oxygen storage capacity (DOSC) and H2-TPR showed that Sr-incorporation improved remarkably the DOSC of mixed oxide and low temperature activity when used as TWC support. As a result, the Pd-only TWC based on the Ce–Zr–Sr mixed oxide support exhibited the improved TWC performance with an amplified amplitude of stoichiometric window.

Keywords
Ce–Zr–Sr; Pd-only TWC; Oxygen storage capacity; Stoichiometric windows; Sr doping
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Ce–Zr–Sr mixed oxide prepared by the reversed microemulsion method for improved Pd-only three-way catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 10, Issue 1, 10 October 2008, Pages 103–107
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
100% Money Back Guarantee
Full-text PDF Download
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