An experimental and kinetic modeling study of aging impact on surface and subsurface oxygen storage in three-way catalysts
Abstract
The aging impact on oxygen storage capacity (OSC) of three-way catalyst was investigated through experiments and modeling. OSC measurements were conducted on two commercial TWCs (one fresh and one aged) over the temperature window of 100–600 °C. The amount of OSC decreased by 44% at 400 °C and the kinetic restrictions of OSC reductions extended towards higher temperatures after standard bench cycle (SBC) aging at 955 °C for 57 h. The...
Paper Details
Title
An experimental and kinetic modeling study of aging impact on surface and subsurface oxygen storage in three-way catalysts
Published Date
Jan 1, 2019
Journal
Volume
320
Pages
51 - 60
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