Method for preparing basic copper sulfate two-dimensional nano-sheets through rapid precipitation

A two-dimensional nano, copper sulfate technology, applied in copper sulfate, nanotechnology, nanotechnology and other directions, to achieve the effect of simple operation, novel appearance and stable quality

Inactive Publication Date: 2019-09-20
LIAONING STARRY SKY SODIUM BATTERY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But at the same time, the rapid crystallization of the precipitation reaction makes it very challenging to prepare and control nanomaterials along specific dimensions: such as two-dimensional nanomaterials.

Method used

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  • Method for preparing basic copper sulfate two-dimensional nano-sheets through rapid precipitation
  • Method for preparing basic copper sulfate two-dimensional nano-sheets through rapid precipitation

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Effect test

Embodiment 1

[0019] The invention provides a method for rapidly precipitating two-dimensional nanosheets of basic copper sulfate. The method takes copper sulfate and ammonia water as raw materials, and synthesizes it by liquid phase precipitation method, and its specific operation steps are as follows:

[0020] Step 1, at 25°C, 700g of 0.3% copper sulfate and 300g of 0.09% ammonia were dissolved in water and kept stirring for 10 minutes;

[0021] Step 2, using a high-speed centrifuge to separate the mixed material obtained in step 1 at 4000r / min for 5 minutes;

[0022] Step 3, the light blue precipitate of gained is washed 3 times with 96% ethanol solution;

[0023] Step 4, drying the material obtained in Step 3 at 60° C. for 10 hours to obtain basic copper sulfate two-dimensional nanosheets.

[0024] XRD results such as figure 1 The product structure is basic copper sulfate, the appearance is as follows figure 2 As shown, it is a nano-scale sheet structure, and the width of the nano-...

Embodiment 2

[0026] The invention provides a method for rapidly precipitating two-dimensional nanosheets of basic copper sulfate. The method takes copper sulfate and ammonia water as raw materials, and synthesizes it by liquid phase precipitation method, and its specific operation steps are as follows:

[0027] Step 1: Dissolve 750g of 0.5% copper sulfate and 250g of 0.10% ammonia water at 25°C in water, and keep stirring for 10 minutes;

[0028] Step 2, using a high-speed centrifuge to separate the mixed material obtained in step 1 at 4000 r / min for 5 minutes;

[0029] Step 3, the light blue precipitate of gained is washed 3 times with 96% ethanol solution;

[0030] Step 4, drying the material obtained in Step 3 at 60° C. for 10 hours to obtain basic copper sulfate two-dimensional nanosheets.

Embodiment 3

[0032] The invention provides a method for rapidly precipitating two-dimensional nanosheets of basic copper sulfate. The method takes copper sulfate and ammonia water as raw materials, and synthesizes it by liquid phase precipitation method, and its specific operation steps are as follows:

[0033] Step 1: Dissolve 800g of 0.8% copper sulfate and 200g of 0.11% ammonia in water at 25°C, and keep stirring for 10 minutes;

[0034] Step 2, using a high-speed centrifuge to separate the mixed material obtained in step 1 at 4000r / min for 5 minutes;

[0035] Step 3, the light blue precipitate of gained is washed 3 times with 96% ethanol solution;

[0036] Step 4, drying the material obtained in Step 3 at 60° C. for 10 hours to obtain basic copper sulfate two-dimensional nanosheets.

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Abstract

The invention provides a method for preparing basic copper sulfate two-dimensional nano-sheets through rapid precipitation, wherein the method is particularly important in the future industrial large-scale application production. According to the present invention, the method is efficient, rapid and simple, and further has other characteristics, overcomes the problem of two-dimensional nanometer material regulating caused by the rapid crystallization of the precipitation reaction, and prepares a two-dimensional nanometer material Cu2(OH)2SO4; with the method, copper sulfate and ammonia water are used as reactants, water is used as a solvent, and the OH<-> ions are slowly released by using the low dissociation coefficient of the ammonia water, such that the material can directionally grow in a two-dimensional direction during the growth; and the invention provides a morphology and phase regulation method of Cu2(OH)2SO4 nano-sheets with excellent properties, wherein the method has advantages of low cost, fast reaction, mild and easily controlled reaction, energy saving, environmental protection, high product purity, novel product morphology and the like.

Description

technical field [0001] The invention relates to the technical field of nanomaterial preparation, in particular to a method for rapidly precipitating two-dimensional nanosheets of basic copper sulfate. Background technique [0002] Basic copper sulfate (Cu 2 (OH) 2 SO 4 ) belongs to metal hydroxide, because of its special crystal structure, it is widely used in medical sterilization and agriculture. In addition, its derived oxides make this material a wide range of potential applications in energy storage, catalysis, and other fields. The rapid mass preparation of this electrode material and the synthesis of ion conductor materials have broad application prospects. In particular, its special two-dimensional structure has directional electron ion conduction direction, strong stress bearing capacity, and short axial ion transport path, which is considered to be a very important branch of nanomaterials. Existing preparation of Cu 2 (OH) 2 SO 4 The most common method is t...

Claims

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Application Information

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IPC IPC(8): C01G3/10B82Y30/00B82Y40/00
CPCB82Y30/00B82Y40/00C01G3/10C01P2002/72C01P2004/03C01P2004/62
Inventor 侴术雷赖伟鸿李用成李东祥李亚书宫毅涛
Owner LIAONING STARRY SKY SODIUM BATTERY CO LTD
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