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Method for preparing carbon nanoparticle/two-dimensional layered titanium carbide composite material

A carbon nanoparticle, two-dimensional layered technology, applied in the direction of nanotechnology, nanotechnology, nanotechnology for materials and surface science, etc., can solve the problems of many surface defects, single material characteristics, small layer spacing, etc., to achieve The reaction is controllable, the preparation process is simple, and the effect of improving structural stability

Inactive Publication Date: 2016-12-07
NORTHWESTERN POLYTECHNICAL UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In order to avoid the deficiencies of the prior art, the present invention proposes a preparation method of carbon nanoparticle / two-dimensional layered titanium carbide composite material, aiming at MXene(Ti 3 C 2 / Ti 2 C) Disadvantages such as single material properties, many surface defects, and small interlayer spacing

Method used

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  • Method for preparing carbon nanoparticle/two-dimensional layered titanium carbide composite material
  • Method for preparing carbon nanoparticle/two-dimensional layered titanium carbide composite material

Examples

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Embodiment 1

[0026] This embodiment includes the following steps:

[0027] (1) Weigh 10g Ti 3 AlC 2 The ceramic powder is submerged in 200ml of 40wt% HF solution with magnetic stirring at room temperature for 80 hours; the resulting solution is washed with deionized water until the pH is about 7, filtered into a solid powder, and vacuum-dried at 80°C for 40 hours to obtain MXene (Ti 3 C 2 )nanomaterials. It looks like figure 2 (a) shown.

[0028] (2) Dissolve 1.26g of glucose in 70ml of deionized water and disperse ultrasonically for 5 hours to obtain a monosaccharide solution; 0.63g of the two-dimensional layered material MXene (Ti 3 C 2 ) into the prepared glucose solution, ultrasonically dispersed for 24 hours, and vacuum impregnated for 10 hours;

[0029] (3) Place the impregnated solution in a hydrothermal reactor and react at 180°C for 6 hours, and the filling degree of the inner tank of the reactor is 60% to 80%;

[0030] (4) The obtained product was centrifugally washed w...

Embodiment 2

[0032] This embodiment includes the following steps:

[0033] (1) Weigh 1g Ti 2 AlC ceramic powder, immersed in 10ml of 10wt% HF solution with magnetic stirring at 40°C for 10h; wash the resulting solution with deionized water until the pH is about 7, filter it into a solid powder, and dry it in vacuum at 40°C for 8h. That is to get MXene(Ti 2 C) Nanomaterials.

[0034] (2) Dissolve 5 g of glucose in 30 ml of deionized water, disperse ultrasonically for 0.5 h to obtain a glucose solution, and 0.5 g of the two-dimensional layered material MXene (Ti 2 C) adding to the prepared glucose solution, ultrasonically dispersing for 0.5h, and vacuum impregnating for 4h;

[0035] (3) Place the impregnated solution in a hydrothermal reaction kettle and react for 10 hours at 150° C.; the filling degree of the inner tank of the reaction kettle is 60% to 80%;

[0036] (4) The obtained product was centrifugally washed with deionized water until the pH value of the solution was about 7, and...

Embodiment 3

[0038] This embodiment includes the following steps:

[0039] (1) Weigh 20g Ti 3 AlC 2 The ceramic powder is immersed in 400ml of 30wt% HF solution with magnetic stirring at 65°C for 120h; the resulting solution is washed with deionized water until the pH is about 7, filtered into a solid powder, and vacuum-dried at 60°C for 24h. Get MXene (Ti 3 C 2 )nanomaterials.

[0040] (2) Dissolve 4 g of fructose in 30 ml of deionized water, and disperse it ultrasonically for 2 hours to obtain a fructose solution. Add 1 g of the two-dimensional layered material MXene (Ti 3 C 2 ) into the prepared fructose solution, ultrasonically dispersed for 10 hours, and vacuum impregnated for 2 hours;

[0041](3) Place the impregnated solution in a hydrothermal reaction kettle and react for 20 hours at 220°C; the filling degree of the inner tank of the reaction kettle is 60% to 80%;

[0042] (4) The obtained product was centrifugally washed with deionized water until the pH value of the soluti...

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Abstract

The invention relates to a method for preparing a carbon nanoparticle / two-dimensional layered titanium carbide composite material. The method includes the steps that a two-dimensional layered titanium carbide nano material MXene (Ti3C2 / Ti2C) is prepared through hydrofluoric acid corrosion; the material MXene (Ti3C2 / Ti2C) and monosaccharide are processed through ultrasonic treatment, vacuum impregnation, hydrothermal treatment and other steps, so carbon nanoparticles are generated between layers and on the surface of the MXene (Ti3C2 / Ti2C) material, and the carbon nanoparticle / two-dimensional layered titanium carbide composite material is obtained. Raw materials which are not toxic and easy to obtain are adopted, the preparation process is simple, the technology is controllable, cost is low, repeatability is good, the layered structure of the prepared two-dimensional layered MXene (Ti3C2 / Ti2C) is uniform and complete, the carbon nanoparticles are evenly distributed between the layers and on the surface of the MXene (Ti3C2 / Ti2C) material, and the prepared composite material has the advantages of being large in specific surface area, good in conductivity, good in hydrophilic property and the like and can be used in the fields such as functional ceramic, wave-absorbing materials, supercapacitors and ion batteries.

Description

technical field [0001] The invention belongs to the technical field of preparation of nanometer functional materials, and in particular relates to a method for preparing a carbon nanoparticle / two-dimensional layered titanium carbide composite material. Background technique [0002] As a new type of two-dimensional nanomaterials, MXene was first reported in 2011. It is mainly prepared by removing the A component in the raw material MAX phase by selective etching with oxyfluoric acid. MXene is a new type of transition metal carbide two-dimensional material with a graphene-like structure. Due to its unique two-dimensional layered structure, large specific surface area, good capacitance and hydrophilicity, it is widely used in functional ceramics, There have been preliminary applications in the fields of microwave-absorbing materials, supercapacitors, and ion batteries. Carbon nanomaterials have low density, high strength, high specific surface area, excellent thermal and chemi...

Claims

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Application Information

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IPC IPC(8): C01B31/30C01B31/02B82Y30/00B82Y40/00
CPCB82Y30/00B82Y40/00C01P2004/03C01P2004/80
Inventor 殷小玮李新亮韩美康
Owner NORTHWESTERN POLYTECHNICAL UNIV
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