PREPARATION METHOD FOR METALLIC OXIDE SPHERICAL CASCADE STRUCTURE
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United States of America Patent
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Issued Date -
Mar 24, 2016
app pub date -
Apr 25, 2014
filing date -
Jun 13, 2013
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Abandoned
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Abstract
A preparation method for a metallic oxide micro-nano spherical cascade structure, belonging to the field of nanometer/micrometer microstructure material and a preparation thereof is provided. The metallic oxide spherical cascade structure of the present invention refers to a micron-sized spherical particle structure composed of metallic oxide powder having a particle size of tens of nanometers. The preparation method is as follows: uniformly mixing the metallic oxide powder and polyethylene glycol by ball-milling to obtain mixed powder of the metallic oxide and the polyethylene glycol; preparing slurry from the resulting powder, stirring uniformly, and then drying the slurry to obtain a film or bulk on a substrate; and removing by calcining organic compounds to obtain a film or bulk of the metallic oxide spherical cascade structure.
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