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Method for preparing comby stannous oxide nanometer material

A technology of stannous oxide and nanomaterials, applied in tin oxide, nanotechnology and other directions, to achieve the effect of simple operation, mild and easy control, and industrialized large-scale production

Inactive Publication Date: 2012-09-12
HENAN POLYTECHNIC UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are relatively few reports on the hydrothermal synthesis of stannous oxide nanomaterials. How to controlly prepare stannous oxide nanomaterials with special morphology through the adjustment of hydrothermal process is still one of the research focuses in the field of nanosynthesis technology. one

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  • Method for preparing comby stannous oxide nanometer material
  • Method for preparing comby stannous oxide nanometer material
  • Method for preparing comby stannous oxide nanometer material

Examples

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example 1

[0019] 1.822 g of cetyltrimethylammonium bromide was dissolved in 20 ml of deionized water, and stirred until completely dissolved to obtain an aqueous solution of cetyltrimethylammonium bromide. Add 1.128 g of stannous chloride dihydrate into the prepared cetyltrimethylammonium bromide aqueous solution, and stir for 5 minutes to completely dissolve it. Under stirring conditions, 20 ml of sodium hydroxide solution having a molar concentration of 0.75 mol / L was added dropwise to the above solution, and stirring was continued for 10 minutes after the addition was completed to obtain a reaction solution. The molar concentration of stannous chloride dihydrate in the reaction solution is 0.125mol / L, and the molar concentration of sodium hydroxide is 0.375mol / L; In the autoclave, after sealing, heat at 130°C for 15 hours. After the reaction, the reactor was cooled to room temperature with the furnace. After the resulting mixed solution containing the product was centrifuged at a s...

example 2

[0021] 1.458 g of cetyltrimethylammonium bromide was dissolved in 20 ml of deionized water, and stirred until completely dissolved to obtain an aqueous solution of cetyltrimethylammonium bromide. Then 0.902 g of stannous chloride dihydrate was added to the prepared cetyltrimethylammonium bromide aqueous solution, and stirred for 5 minutes to completely dissolve it. Under stirring conditions, 20 ml of sodium hydroxide solution having a molar concentration of 0.400 mol / L was added dropwise to the above solution, and stirring was continued for 10 minutes after the addition was completed to obtain a reaction solution. The molar concentration of stannous chloride dihydrate in the reaction solution is 0.100mol / L, and the molar concentration of sodium hydroxide is 0.200mol / L; In the high-pressure reactor, after sealing, it was treated at 140°C for 14 hours. After the reaction was completed, the reactor was cooled to room temperature with the furnace. After the resulting mixed soluti...

example 3

[0023] Dissolve 2.186 g of cetyltrimethylammonium bromide in 20 ml of deionized water, and stir until completely dissolved to obtain an aqueous solution of cetyltrimethylammonium bromide. Then 1.354 g of stannous chloride dihydrate was added to the prepared cetyltrimethylammonium bromide aqueous solution, and stirred for 5 minutes to completely dissolve it. Under stirring conditions, 20 ml of sodium hydroxide solution having a molar concentration of 1.20 mol / L was added dropwise to the above solution, and stirring was continued for 10 minutes after the addition was completed to obtain a reaction solution. The molar concentration of stannous chloride dihydrate in the reaction solution is 0.150mol / L, and the molar concentration of sodium hydroxide is 0.600mol / L; In the high-pressure reactor, after sealing, it was treated at 160°C for 12 hours. After the reaction, the reactor was cooled to room temperature with the furnace. After the resulting mixed solution containing the produ...

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Abstract

The invention discloses a method for preparing a comby stannous oxide nanometer material. The method comprises the following steps of: putting stannous chloride dehydrate in a hexadecyl trimethyl ammonium bromide aqueous solution under the condition of stirring by adopting a hydro-thermal synthesis method to obtain a mixed solution; then, dropwise adding a sodium hydroxide aqueous solution to the mixed solution; stirring to obtain a final mixed solution, wherein in the final mixed solution, the molar concentration of the stannous chloride dehydrate is controlled to be between 0.10mol / L and 0.15mol / L, and the molar ratio of the stannous chloride dehydrate to hexadecyl trimethyl ammonium bromide to sodium hydroxide is 1:1:(2-4); putting the final mixed solution in a reaction kettle, wherein the degree of filling is 80-90 percent, and performing a hydrothermal reaction for 12-15h at the temperature of 120-160 DEG C; and performing centrifugation, washing and drying on the obtained product to prepare the comby stannous oxide nanometer material. The prepared comby stannous oxide nanometer material has an even porous structure and can be applied in the aspects of lithium ion battery anode materials, chemical synthesis catalysts and the like. The method disclosed by the invention has the characteristics that the operation is simple, the cost is low, the pollution is low and industrial large-scale production can be easily realized.

Description

technical field [0001] The invention relates to a preparation method of a nano material, in particular to a preparation method of a honeycomb-shaped stannous oxide nano material. Background technique [0002] Metal oxide semiconductor nanomaterials have received great attention because of their broad application potential in many fields. The morphology and size of nanomaterials have an important impact on their performance, so great efforts have been made in the controllable synthesis of nanomaterials with different shapes and sizes. Metal oxide semiconductor nanomaterials with different nanostructures have great application potential in catalysis, sensors, energy storage and conversion, etc. Rechargeable battery technology represented by lithium-ion secondary battery is a hot spot in the field of clean energy research. Lithium-ion batteries have the advantages of high working voltage and energy density, good cycle performance, no memory effect, less environmental pollutio...

Claims

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Application Information

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IPC IPC(8): C01G19/02B82Y40/00
Inventor 孙广李彦伟曹建亮王燕付乌有毋乃腾戚凤晓孟哈日巴拉张战营
Owner HENAN POLYTECHNIC UNIV
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