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Enhanced catalytic activity at the stoichiometric condition of zero-PGM catalysts for TWC applications

  • US 9,861,964 B1
  • Filed: 12/13/2016
  • Issued: 01/09/2018
  • Est. Priority Date: 12/13/2016
  • Status: Active Grant
First Claim
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1. A catalyst comprising:

  • a substrate;

    a washcoat layer overlying the substrate, the washcoat layer comprising a support oxide; and

    an impregnation layer overlying the washcoat layer, the impregnation layer comprising a doped binary spinel having the formula CuMn2-xNixO4 wherein x is a number from 0.01 to 1.99.

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