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Nickel oxide-titanium dioxide nano composite material

A nanocomposite material, titanium dioxide technology, applied in the direction of nickel oxide/nickel hydroxide, titanium dioxide, titanium oxide/hydroxide, etc., can solve the problem of low uniformity of one-dimensional nanomaterials, affecting material structure and performance, complicated steps, etc. problems, to achieve significant energy saving and material saving, high specific capacity, and good safety.

Inactive Publication Date: 2014-06-04
王泰林
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The aspect ratio of one-dimensional materials obtained by chemical vapor deposition is relatively large, and one-dimensional materials of different substances can be prepared; but it requires high-temperature vaporized materials, which requires high cost and limited application
The template method is currently one of the most commonly used methods for synthesizing nanomaterials. It has the advantages of adjustable pore size, controllable shape, and effective prevention of agglomeration of nanomaterials. However, the uniformity of the prepared one-dimensional nanomaterials is not high, which affects structure and properties of materials
The microemulsion method is also an effective method for preparing one-dimensional nanomaterials, and the synthesized one-dimensional materials have a better structure, but the steps are more cumbersome compared with the hydrothermal method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Place 64g NaOH in a beaker filled with 160ml of distilled water, stir magnetically to room temperature, then add 2g TiO 2 (P-25) Pour it into a beaker, and ultrasonically clean it for 5 minutes to make the solution evenly mixed. Evenly divide the mixed solution into 4 parts, take one part and place it in a 40ml stainless steel reaction kettle lined with polytetrafluoroethylene, close and tighten the reaction kettle, and place the reaction kettle in an electric heating constant temperature drying oven at 180°C. Constant temperature hydrothermal reaction 72h. After the reaction is completed, cool down to room temperature naturally, take out the product with a glass rod and put it into a beaker, add distilled water, repeatedly wash and filter until the solution is neutral, and then put it in 100°C after pickling and filtering. Dry in a dry box for 4h to get H 2 Ti 8 o 17 .

[0015] will get H 2 Ti 8 o 17 Place in a muffle furnace, raise the temperature to 400°C at ...

Embodiment 2

[0021] Place 64g NaOH in a beaker filled with 160ml of distilled water, stir magnetically to room temperature, then add 2g TiO 2 (P-25) Pour it into a beaker, and ultrasonically clean it for 5 minutes to make the solution evenly mixed. The mixed solution was evenly divided into 4 parts, one of which was placed in a 40ml stainless steel reaction kettle lined with polytetrafluoroethylene, the reaction kettle was closed and tightened, and the reaction kettle was placed in an electric heating constant temperature drying oven at 200°C. Constant temperature hydrothermal reaction 48h. After the reaction is completed, cool down to room temperature naturally, take out the product with a glass rod and put it into a beaker, add distilled water, repeatedly wash and filter until the solution is neutral, and then put it in 100°C after pickling and filtering. Dry in a dry box for 4h to get H 2 Ti 8 o 17 .

[0022] will get H 2 Ti 8 o 17 Put it in a muffle furnace, raise the temperatu...

Embodiment 3

[0024] Place 64g NaOH in a beaker filled with 160ml of distilled water, stir magnetically to room temperature, then add 2g TiO 2(P-25) Pour it into a beaker, and ultrasonically clean it for 5 minutes to make the solution evenly mixed. The mixed solution was evenly divided into 4 parts, one of which was placed in a 40ml stainless steel reaction kettle lined with polytetrafluoroethylene, the reaction kettle was closed and tightened, and the reaction kettle was placed in an electric heating constant temperature drying oven at 160°C. Constant temperature hydrothermal reaction 60h. After the reaction is completed, cool down to room temperature naturally, take out the product with a glass rod and put it into a beaker, add distilled water, repeatedly wash and filter until the solution is neutral, and then put it in 100°C after pickling and filtering. Dry in a dry box for 4h to get H 2 Ti 8 o 17 .

[0025] will get H 2 Ti 8 o 17 Place in a muffle furnace, raise the temperature...

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Abstract

The invention provides a nickel oxide-titanium dioxide nano composite material, belonging to the technical field of inorganic functional materials. The nano composite material is prepared by preparing a strip-shaped Na2Ti8O17 precursor from TiO2 serving as a basic raw material and a NaOH solution serving as a reaction solvent by using a hydrothermal method, then soaking, pickling and performing suction filtration to obtain strip-shaped H2Ti8O17, and putting the strip-shaped H2Ti8O17 into a muffle furnace for calcining for 2 hours so as to obtain a TiO2 nano strip; by taking urea, nickel nitrate, water and TiO2 as raw materials, keeping the temperature of 120 DEG C for 4-6 hours by using a homogeneous precipitation method, and then calcining for 2 hours at 400 DEG C so as to obtain a novel nickel oxide-titanium dioxide one-dimensional nano composite material which has the advantages of no toxicity, low cost, no pollution, high specific capacity, good security, good catalytic performance and the like, and has wide application prospects in fields such as lithium ion batteries, photocatalysis and the like.

Description

technical field [0001] The invention relates to a nickel oxide-titanium dioxide nanocomposite material, which belongs to the field of inorganic functional materials. Background technique [0002] One-dimensional nanomaterials refer to new nanomaterials in which two of the three dimensions of the material fall between 1 and 100 nanometers in size, such as nanotubes, nanowires, nanorods, and nanobelts. Due to the unique physical and chemical properties of one-dimensional materials compared with bulk materials, the world has attracted widespread attention. In the past few years, ZnO, SnO 2 、In 2 o 3 , Ga 2 o 3 , V 2 o 5 、TiO 2 One-dimensional nanomaterials such as transition metal oxides have been widely studied, and have been widely used in many fields such as semiconductor preparation, photocatalytic material preparation, photoelectric conversion materials, new energy materials, etc., and have played an important role in our lives. increasingly important role. [000...

Claims

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Application Information

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IPC IPC(8): C01G23/08C01G53/04B82Y30/00
Inventor 王泰林
Owner 王泰林
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