Preparation method of nano porous copper oxide loaded precious metal catalytic material
A technology of nanoporous and catalytic materials, which is applied in the field of preparation of nanoporous catalytic materials, can solve the problems such as the inability to realize the loading of precious metal particles, and achieve the effects of high nanoporous structure stability, high catalytic performance and consumption saving.
Inactive Publication Date: 2015-05-20
XI AN JIAOTONG UNIV
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Abstract
The invention relates to a preparation method of a nano porous copper oxide loaded precious metal catalytic material. The method comprises the steps of preparing ternary precursor alloy by adopting aluminum, copper and precious metal in a smelting way, preparing an alloy ribbon by adopting the alloy in a rapid melt quenching manner, carrying out alloy removal corrosion on the alloy ribbon in a 1% to 20% alkaline solution for 6 to 13 hours, then washing the alloy ribbon by utilizing deionized water and alcohol, drying the cleaned alloy ribbon in a constant-temperature drying box for 4 hours at the temperature of 40 DEG C so as to obtain a nano porous copper oxide loaded precious metal particle compound system, and then burning the system for 1 hour at the temperature of 300 to 900 DEG C to obtain the block-shaped nano porous oxide copper loaded nano precious metal particle catalytic material. The catalytic oxidation performance of the prepared precious metal nano particle loaded oxide copper catalytic material CO is obviously higher than that of the nano porous copper, and the structure stability and the heat stability are still relatively high after the material is thermally treated at the temperature of 750 DEG C.
Application Domain
Metal/metal-oxides/metal-hydroxide catalysts
Technology Topic
CorrosionPrecious metal +13
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PUM
Property | Measurement | Unit |
Size | 15.0 ~ 40.0 | nm |
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