2004
DOI: 10.1016/j.apcatb.2004.06.011
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Mechanisms of CO oxidation reaction and effect of chlorine ions on the CO oxidation reaction over Pt/CeO2 and Pt/CeO2/γ-Al2O3 catalysts

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Cited by 68 publications
(47 citation statements)
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“…As the temperature above 75°C, the CO 2 (2349 cm )1 ) intensity significantly increases and the carbonates intensity decreases. This indicates that the activity of 5Co/ Si C400 sample comes from the adsorbed CO and lattice oxygen of cobalt oxide, and part of CO 2 formation via carbonates as equations (1) and (2). The consumed lattice oxygen (*-O L ) may be restored through adsorption of oxygen molecules on the resulted vacancy (* L ).…”
Section: ãàCarbonate ðIþ ! Co 2 þ ã ðIþ ð4þmentioning
confidence: 99%
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“…As the temperature above 75°C, the CO 2 (2349 cm )1 ) intensity significantly increases and the carbonates intensity decreases. This indicates that the activity of 5Co/ Si C400 sample comes from the adsorbed CO and lattice oxygen of cobalt oxide, and part of CO 2 formation via carbonates as equations (1) and (2). The consumed lattice oxygen (*-O L ) may be restored through adsorption of oxygen molecules on the resulted vacancy (* L ).…”
Section: ãàCarbonate ðIþ ! Co 2 þ ã ðIþ ð4þmentioning
confidence: 99%
“…Excepting the carbonates formation, the CO adsorbed on 5Co/Si C400 sample ( figure 8(a)) to promote the CO oxidation. The activity comes from the adsorbed CO and lattice oxygen of cobalt oxide, and part of CO 2 formation via carbonates as equations (1) and (2). Both types of carbonates are formed on 5Co/Al C400 sample ( figure 8(b)) to promote the CO oxidation.…”
Section: ãàCarbonate ðIþ ! Co 2 þ ã ðIþ ð4þmentioning
confidence: 99%
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“…48 Besides improved O 2 activation capability, such intimate interaction can also suppress the CO adsorption on Pt as characterized by chemisorption and DRIFT-IR results. 42,44,48 Furthermore, the effect of Fe 40 promoter also depends on the type of support. The Fe promoted Pt/Al 2 O 3 catalysts do not exhibit such high activity and selectivity at low temperature.…”
Section: Introductionmentioning
confidence: 99%
“…1,6,7 Therefore, the delivery of clean H 2 to Pt anodes becomes the essential and imminent requirement for the application of PEFC. 40 However, the complete reduction of CO cannot be accomplished by the WGS process due to the limitation in thermodynamic equilibrium.…”
Section: Introductionmentioning
confidence: 99%