Metal oxide nanoparticles, method for producing the same, and use thereof

Abstract

The present invention relates to a method for manufacturing and using nanometal oxides. The manufacturing method involves reacting an initial alloy of low purity containing a target metal element M and Al / Zn with a high-temperature concentrated base solution, and under specific reaction conditions, subjecting the initial alloy to intense hydrogen precipitation and de-Al / Zn reactions to cause nano-fragmentation, and then reconstructing the shape and composition to produce nano-oxide M. Through further subsequent processing, crystalline nano-oxide M or modified nano-oxide M can be obtained. The manufacturing method of the present invention has simple processes, a high reaction rate, low costs, is easy for mass production, can produce various nanometal oxides with different crystallinities, and has good application prospects in fields such as composite materials, catalyst materials, ceramic materials, refractory materials, advanced electronic materials, battery materials, discoloration materials, wave absorption materials, wastewater decomposition materials, sterilization materials, paints, pigments, thermal spraying materials, sensors, etc.

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