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Nickel oxide/copper oxide composite nanomaterial with hollow sphere structure and preparation method of nickel oxide/copper oxide composite nanomaterial

A technology of composite nanomaterials and nickel oxide, which is applied in the direction of nickel oxide/nickel hydroxide, copper oxide/copper hydroxide, etc., can solve the problems of high production cost, cumbersome process, and limitation of practical application and promotion, and achieve performance improvement, The effect of simple reaction device and low density

Active Publication Date: 2018-12-14
ANHUI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The template method to prepare hollow structure micro-nano materials, because of the cumbersome process and high production cost, limits its practical application and promotion.

Method used

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  • Nickel oxide/copper oxide composite nanomaterial with hollow sphere structure and preparation method of nickel oxide/copper oxide composite nanomaterial
  • Nickel oxide/copper oxide composite nanomaterial with hollow sphere structure and preparation method of nickel oxide/copper oxide composite nanomaterial
  • Nickel oxide/copper oxide composite nanomaterial with hollow sphere structure and preparation method of nickel oxide/copper oxide composite nanomaterial

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Embodiment 1

[0033] A method for preparing a hollow sphere structure nickel oxide / copper oxide composite nanomaterial, comprising the following steps:

[0034] A, take by weighing 0.8mmol nickel nitrate hexahydrate, 0.8mmol copper nitrate trihydrate, add nickel nitrate hexahydrate and copper nitrate trihydrate into 30mL deionized water and ethylene glycol in the mixed solution that is 2:1 by volume, Stir until completely dissolved to obtain a clear, transparent solution;

[0035] B. Add 0.48g urea and 1.2g polyvinylpyrrolidone to the solution obtained in step A, stir until completely dissolved, and obtain a clear, transparent mixed solution;

[0036] C. Transfer the mixed solution obtained in step B to a polytetrafluoroethylene-lined reaction kettle, seal the reaction kettle and place it in a thermostat, react at a constant temperature of 90°C for 10 hours, and cool to room temperature. The cooled liquid in the reactor was centrifuged to separate the solid product, and the product was was...

Embodiment 2

[0041]A method for preparing a hollow sphere structure nickel oxide / copper oxide composite nanomaterial, comprising the following steps:

[0042] A. Weigh 0.8mmol nickel nitrate hexahydrate and 0.8mmol copper nitrate trihydrate, add nickel nitrate hexahydrate and copper nitrate trihydrate to 30mL deionized water, stir until completely dissolved, and obtain a clear, transparent solution;

[0043] B. Add 0.48g urea and 1.2g polyvinylpyrrolidone to the solution obtained in step A, stir until completely dissolved, and obtain a clear, transparent mixed solution;

[0044] C. Transfer the mixed solution obtained in step B to a polytetrafluoroethylene-lined reaction kettle, seal the reaction kettle and place it in a thermostat, react at a constant temperature of 120° C. for 8 hours, and cool to room temperature. The cooled liquid in the reactor was centrifuged to separate the solid product, and the product was washed and centrifuged with alcohol, and then washed and centrifuged with u...

Embodiment 3

[0048] A method for preparing a hollow sphere structure nickel oxide / copper oxide composite nanomaterial, comprising the following steps:

[0049] A. Weigh 0.8mmol nickel nitrate hexahydrate and 0.8mmol copper nitrate trihydrate, add nickel nitrate hexahydrate and copper nitrate trihydrate into a mixed solution composed of 40mL deionized water and ethylene glycol with a volume ratio of 1:1, and stir until completely dissolved to obtain a clear, transparent solution;

[0050] B. Add 1.0 g of urea and 0.8 g of polyvinylpyrrolidone to the solution obtained in step A, stir until completely dissolved, and obtain a clear, transparent mixed solution;

[0051] C. Transfer the mixed solution obtained in step B to a polytetrafluoroethylene-lined reaction kettle, seal the reaction kettle and place it in a thermostat, react at a constant temperature of 70°C for 12 hours, and cool to room temperature. The cooled liquid in the reactor was centrifuged to separate the solid product, the prod...

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Abstract

The invention discloses a nickel oxide / copper oxide composite nanomaterial with a hollow sphere structure and a preparation method of the nickel oxide / copper oxide composite nanomaterial. The preparation method comprises steps as follows: nickel salt and bivalent copper salt are dissolved in a solvent, a mixed solution is obtained, a polymer-supported reagent and urea are added to the mixed solution in sequence and stirred until the polymer-supported reagent and urea are dissolved completely, then a mixture is subjected to a hydrothermal reaction, an obtained product is further calcined, and the nickel oxide / copper oxide composite nanomaterial with the hollow sphere structure is obtained after calcination. Compared with the prior art, the raw materials are cheap and available, a template is not required to be added to a reaction system for obtaining of the hollow structure, the synthesis process is simple, the obtained product is controllable in structure and size, and product yield ishigh.

Description

technical field [0001] The invention belongs to the technical field of preparation technology of inorganic micro-nano materials, and in particular relates to a nickel oxide / copper oxide composite nano-material with a hollow sphere structure and a preparation method thereof. Background technique [0002] Inorganic oxide hollow micro-nano materials have the advantages of low density, high specific surface area, high permeability, high thermal stability and high thermodynamic stability due to their hollow structure. It has shown broad application prospects in the fields of energy, drug storage and release, and can be used in light material additives, sound insulation materials, drug slow-release carriers, catalyst carriers and other fields; oxide hollow spheres have high yield and high specificity Excellent properties such as surface area make it have great application prospects in physical and chemical fields such as electricity, magnetism, adsorption and catalysis. [0003] ...

Claims

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Application Information

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IPC IPC(8): C01G53/04C01G3/02
CPCC01G3/02C01G53/04C01P2002/72C01P2004/03C01P2004/32C01P2004/62
Inventor 王伟智许业陶
Owner ANHUI NORMAL UNIV
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