Manganese dioxide-silver oxide composite oxide nanowire and preparation method thereof adopting single-walled carbon nanotubes as templates

Abstract

The invention discloses a manganese dioxide-silver oxide composite oxide nanowire and a preparation method thereof adopting single-walled carbon nanotubes as templates. The preparation method of the manganese dioxide-silver oxide composite oxide nanowire comprises the following steps of: dispersing the single-walled carbon nanotubes into N-methylpyrrolidone; then carrying out ultrasonic processing; centrifugalizing an obtained mixture, discarding bottom residual solids, and extracting supernatant mixed liquor; dissolving AgNO3 into water to form an aqueous AgNO3 solution; adding the AgNO3 solution to the mixed liquor obtained from the step two, and stirring for reaction; dissolving KMnO4 into the water to form an aqueous KMnO4 solution; adding the aqueous KMnO4 solution to the mixed liquor obtained from the step four, and stirring for reaction; and centrifugalizing, washing, drying and grinding so as to obtain a manganese dioxide-silver oxide composite oxide nanowire material. The soft chemistry method is easy to operate and can be used for preparing the manganese dioxide-silver oxide composite oxide nanowire material which has excellent electrochemical property under a moderate condition.

Description

technical field

[0001] The invention belongs to a preparation technology of nanometer materials, in particular to a manganese dioxide-silver oxide composite oxide nanowire and a preparation method using a single-wall carbon nanotube as a template. Background technique

[0002] MnO 2 It is a widely studied multifunctional transition metal oxide, which has the advantages of environmental friendliness, low price, abundant resources, etc., and has excellent physical and chemical properties. Due to its polymorphism in morphology and richness of crystal structure (such as α, β, γ, δ, λ and other crystal forms), it is often used in catalysis, ion exchange, molecular sieve adsorption, biosensors, battery electrode materials and Energy storage and other fields. In recent years, due to the novel effects brought about by nanomaterials, people have been interested in nano-MnO 2 research is becoming more and more interesting. Especially one-dimensional MnO 2 Nanostructures, such as ...

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