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Iron-based carbon nanotube catalyst as well as preparation method and application thereof

A carbon nanotube and catalyst technology, applied in the field of iron-based carbon nanotube catalysts, can solve the problems of low carbon nanotube conversion rate and yield, and achieve the effects of reducing production costs, high catalytic activity, and high conversion rate

Pending Publication Date: 2022-04-29
深圳市飞墨科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide an iron-based carbon nanotube catalyst, its preparation method and application, aiming to solve the technical problem of low conversion and yield of carbon nanotubes prepared by existing catalysts

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] An iron-based carbon nanotube catalyst comprises the following raw materials in parts by weight: 50 parts of iron nitrate, 5 parts of nickel nitrate, 75 parts of aluminum nitrate, 35 parts of ammonium carbonate and 50 parts of ammonia water.

[0039] Preferably, the iron nitrate is iron nitrate nonahydrate, the nickel nitrate is nickel nitrate hexahydrate, and the aluminum nitrate is aluminum nitrate nonahydrate.

[0040] The preparation method of the above-mentioned iron-based carbon nanotube catalyst comprises the following preparation steps:

[0041] Step 1, in parts by weight, take by weighing 50 parts of ferric nitrate, 5 parts of nickel nitrate, 75 parts of aluminum nitrate, 35 parts of ammonium carbonate and 50 parts of ammonia water for subsequent use;

[0042] Step 2, dissolve the iron nitrate, nickel nitrate and aluminum nitrate taken in step 1 in 250 parts by weight of deionized water, stir evenly to completely dissolve the reagent, and form a clear solution ...

Embodiment 2

[0055] An iron-based carbon nanotube catalyst comprises the following raw materials in parts by weight: 65 parts of iron nitrate, 12.5 parts of nickel nitrate, 22.5 parts of aluminum nitrate, 42.5 parts of ammonium carbonate and 50 parts of ammonia water.

[0056] Preferably, the iron nitrate is iron nitrate nonahydrate, the nickel nitrate is nickel nitrate hexahydrate, and the aluminum nitrate is aluminum nitrate nonahydrate.

[0057] The preparation method of the above-mentioned iron-based carbon nanotube catalyst comprises the following preparation steps:

[0058] Step 1, in parts by weight, take by weighing 65 parts of ferric nitrate, 12.5 parts of nickel nitrate, 22.5 parts of aluminum nitrate, 42.5 parts of ammonium carbonate and 50 parts of ammonia water for subsequent use;

[0059] Step 2, dissolve the iron nitrate, nickel nitrate and aluminum nitrate taken in step 1 in 250 parts by weight of deionized water, stir evenly to completely dissolve the reagent, and form a c...

Embodiment 3

[0072] An iron-based carbon nanotube catalyst comprises the following raw materials in parts by weight: 80 parts of iron nitrate, 20 parts of nickel nitrate, 90 parts of aluminum nitrate, 30 parts of ammonium carbonate and 40 parts of ammonia water.

[0073] Preferably, the iron nitrate is iron nitrate nonahydrate, the nickel nitrate is nickel nitrate hexahydrate, and the aluminum nitrate is aluminum nitrate nonahydrate.

[0074] The preparation method of the above-mentioned iron-based carbon nanotube catalyst comprises the following preparation steps:

[0075] Step 1, in parts by weight, take 80 parts of ferric nitrate, 20 parts of nickel nitrate, 90 parts of aluminum nitrate, 30 parts of ammonium carbonate and 40 parts of ammonia water respectively, and set aside;

[0076] Step 2, dissolve the iron nitrate, nickel nitrate and aluminum nitrate taken in step 1 in 250 parts by weight of deionized water, stir evenly to completely dissolve the reagent, and form a clear solution A...

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Abstract

The invention belongs to the technical field of carbon nanotubes, and particularly relates to an iron-based carbon nanotube catalyst and a preparation method and application thereof.The iron-based carbon nanotube catalyst is prepared from, by weight, 50-80 parts of ferric nitrate, 5-20 parts of nickel nitrate, 75-90 parts of aluminum nitrate, 35-50 parts of ammonium carbonate and 35-50 parts of ammonia water. The catalyst provided by the invention can be used for preparing the carbon nano tube with high conversion rate and high yield, and is beneficial to reducing the production cost of the carbon nano tube.

Description

technical field [0001] The invention belongs to the technical field of carbon nanotubes, and in particular relates to an iron-based carbon nanotube catalyst, its preparation method and application. Background technique [0002] Carbon nanotubes have the characteristics of excellent electrical conductivity, ultra-high mechanical strength, extremely high chemical stability and thermal stability, and can be widely used in high-performance composite materials, capacitors, hydrogen storage, electromagnetic absorbing materials and other fields. [0003] At present, the preparation methods of carbon nanotubes mainly include arc discharge method, laser evaporation method and chemical vapor deposition method (Chemical Vapor Deposition, CVD). In addition to these three commonly used methods, there are electron beam radiation method, electrolysis method and pyrolysis polymer method. [0004] Among them, the chemical vapor deposition method has the advantages of low cost, large output,...

Claims

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Application Information

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IPC IPC(8): B01J23/755C01B32/162
CPCB01J23/002B01J23/755C01B32/162B01J2523/00C01B2202/06B01J2523/31B01J2523/842B01J2523/847
Inventor 李承献黄少真蔡子田简环役
Owner 深圳市飞墨科技有限公司