Nb-Zr-Al-Mixed Oxide Supports for Rh Layer use in TWC Converters
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Dec 8, 2016
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Jun 5, 2015
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Jun 5, 2015
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Abstract
The present disclosure describes support oxides, including include Niobium Oxide, which are employed in three-way catalytic (TWC) systems. Disclosed herein are TWC sample systems that are configured to include a substrate and one or more of a washcoat layer, an impregnation layer, and/or an overcoat layer. The disclosed one or more of washcoat layer and/or overcoat layer are formed using a slurry that includes an oxide mixture and an Oxygen Storage Material. The disclosed oxide mixtures include niobium oxide (Nb2O5), zirconia, and alumina. Further, other disclosed oxide mixtures additionally include NiO.
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