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Spinel ferrite/CNx nanocomposite and preparation method thereof

A technology of spinel ferrite and nanocomposite materials, which is applied in the direction of nanocarbon, carbon nanotubes, nanotechnology, etc., and can solve problems affecting performance, etc.

Inactive Publication Date: 2013-03-13
SHANGHAI SECOND POLYTECHNIC UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the oxidation treatment of carbon tubes will "shear" or "shear open" carbon tubes, thereby changing their original structure and affecting their original performance.

Method used

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  • Spinel ferrite/CNx nanocomposite and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Preparation of ferroferric oxide / CNx nanocomposites

[0027] 1) Preparation of nitrogen-doped carbon nanotubes (CNx);

[0028] Using diethylamine and sec-butylamine as carbon source and nitrogen source, Fe / SBA-15 molecular sieve as catalyst, nitrogen-doped carbon nanotube material (CN X );

[0029] 2) Preparation of Fe3O4 / CNx nanocomposites;

[0030] A) Weigh 0.1g of newly prepared CNx in 40ml of ethylene glycol, and ultrasonically disperse it for 30 minutes to obtain the first solution;

[0031] B) FeCl 3 Dissolved in the first solution to form a second solution; wherein, the concentration of ferric ions in the second solution is 0.05mol / l;

[0032] C) At normal temperature and pressure, add ethylenediamine to the second solution prepared in step B), and stir thoroughly to obtain the third solution, wherein the amount of ethylenediamine added is the same as the amount of ethylene glycol added in step A) The volume ratio is 0.05:1;

[0033] D) Place the third solu...

Embodiment 2

[0036] Preparation of spinel manganese ferrite / CNx nanocomposites

[0037] 1) Preparation of nitrogen-doped carbon nanotubes (CNx);

[0038] Using diethylamine and sec-butylamine as carbon source and nitrogen source, Fe / SBA-15 molecular sieve as catalyst, nitrogen-doped carbon nanotube material (CN X );

[0039] 2) Preparation of spinel manganese ferrite / CNx nanocomposite;

[0040] A) Weigh 0.1g of newly prepared CNx in 40ml of ethylene glycol, and ultrasonically disperse it for 30 minutes to obtain the first solution;

[0041] B) According to MFe 2 o 4 The stoichiometric ratio of metal ions in the medium was weighed MnCl 2 and FeCl 3 , and dissolved in the first solution to form a second solution; wherein, the concentration of ferric ions in the second solution is 0.4mol / l;

[0042] C) At normal temperature and pressure, add ethylenediamine to the second solution prepared in step B), and stir thoroughly to obtain the third solution, wherein the amount of ethylenediamin...

Embodiment 3、4、5

[0046] Except step B) in step 2) in embodiment 3,4,5 according to MFe 2 o 4The stoichiometric ratio of metal ions in ZnSO was weighed separately 4 and FeCl 3 , CoSO 4 and FeCl 3 , Ni(NO3) 2 and FeCl 3 , other steps and conditions are the same as in Example 2, and spinel zinc ferrite / CNx nanocomposites, cobalt ferrite / CNx nanocomposites, nickel ferrite / CNx nanocomposites can also be obtained.

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Abstract

The invention provides a spinel ferrite / CNx nanocomposite and a preparation method thereof. According to the spinel ferrite / CNx nanocomposite prepared by the method provided by the invention, spinel ferrite nanoparticles are uniformly distributed on the surface of a nitrogen-doped carbon nanotube in a united-bead manner and are homogeneous in size and regular in crystal form, the cost of required raw materials is low, during preparation, the carbon nanotube has no need of early-stage functional treatment and nitrogen protection, and the spinel ferrite / CNx nanocomposite can be obtained at lower temperature (200-250 DEG C); and the preparation method is simple in process and can achieve large-scale preparation, thereby being applicable to scale production.

Description

field of invention [0001] The invention relates to a spinel ferrite / CNx nanocomposite material, more specifically, relates to a spinel ferrite / CNx nanocomposite material and a preparation method thereof. Background technique [0002] Carbon materials are important materials closely related to the progress of human civilization. Various forms of simple carbon, carbon-containing compounds and new carbon materials (bucky balls, carbon nanotubes, doped carbon nanotubes, graphene, graphyne, etc.) made a great contribution to human development. In recent years, carbon-based composites based on new carbon materials have attracted great interest because of their wide application in the fields of biomedicine, chemical engineering, and electronic appliances. As an interdisciplinary subject between chemical research and material preparation, carbon nanotube chemistry plays an irreplaceable role in the field of nanoscience research. [0003] The unique one-dimensional nanostructure of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01G53/00C01G51/00C01G49/02C01G49/08C01B31/02B82Y30/00C01B32/16
Inventor 朱路平汪玲玲靳海英邴乃慈陈钦王利军
Owner SHANGHAI SECOND POLYTECHNIC UNIVERSITY
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