Advanced Three-Way Catalyst Formulations for High Temperature Applications

Paper #:
  • 930076

Published:
  • 1993-03-01
Citation:
Bartley, G., Shady, P., D'Aniello, M., Chandler, G. et al., "Advanced Three-Way Catalyst Formulations for High Temperature Applications," SAE Technical Paper 930076, 1993, https://doi.org/10.4271/930076.
Pages:
15
Abstract:
Enhancements in the thermal stability of three-way catalysts have been achieved by: 1) developing improved methods for the incorporation of ceria into catalyst formulations and 2) identifying a proprietary stabilizer which reduces the rate of ceria sintering at high temperature. Improvements in thermal stability are demonstrated by comparing the FTP and engine dynamometer performance of new formulations with a standard formulation after aging on several high temperature engine dynamometer cycles.
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