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Sponge carbon nanotube gas phase collection device and method

A carbon nanotube, collecting device technology, applied in the direction of carbon nanotube, nanocarbon, nanotechnology, etc., to achieve the effect of simple structure and high collection efficiency

Active Publication Date: 2016-03-02
SUZHOU CREATIVE CARBON NANOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

So far, the collection of such large-area tunable sponge-like carbon nanotubes has rarely been reported.

Method used

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  • Sponge carbon nanotube gas phase collection device and method
  • Sponge carbon nanotube gas phase collection device and method
  • Sponge carbon nanotube gas phase collection device and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] With ethanol as carbon source, ferrocene as catalyst, hydrogen and argon mixed gas as carrier gas, the heating temperature is 1500°C. exist figure 1 The spongy carbon nanotubes are collected in the device shown, and the collection time is 2 hours. By controlling the distance between the laminating device 23 and the spinning shaft 22, the thickness of the spongy carbon nanotubes is 3 cm, and the obtained density is 18.4 mg / cm 3 , the length is 750cm, and the diameter of the innermost circle is 30cm. It was characterized by scanning electron microscopy and transmission electron microscopy. figure 2 with image 3 , the results show that the sponge carbon nanotubes obtained in this example have a diameter of 2-5 nm, which is a mixture of single-walled and multi-walled carbon nanotubes.

Embodiment 2

[0036] The carbon nanotube preparation process is the same as the first embodiment. in such as figure 1 The spongy carbon nanotubes are collected in the shown device, and the collection time is 4 hours. By controlling the distance between the lamination device 23 and the distance between the spinning shaft 22, the thickness of the spongy carbon nanotubes is 3 cm, and the obtained density is 32.4 mg / cm 3 , the length is 750cm, and the diameter of the innermost circle is 30cm.

Embodiment 3

[0038] The carbon nanotube preparation process is the same as the first embodiment. in such as figure 1 The sponge-state carbon nanotubes are collected in the device shown, and the collection time is 2 hours. By controlling the distance between the laminating device 23 and the spinning shaft 22, the thickness of the sponge-state carbon nanotubes is 1 cm, and the obtained density is 42.3 mg / cm 3 , the length is 750cm, and the diameter of the innermost circle is 30cm.

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Abstract

The invention provides a collection device for a sponge-state carbon nanotube. The collection device comprises a tube furnace and a collection box which is communicated with the tube furnace, wherein the tube furnace is applied to catalytic generation of a carbon nanotube film; a spinning shaft and a collecting device arranged on the spinning shaft are arranged inside the collection box; the spinning shaft can be driven to rotate, so that the carbon nanotube film catalytically generated by the tube furnace is wound on the collection device; a laminating device matched with the spinning shaft is also arranged inside the collection box; and the distance between the laminating device and the spinning shaft is adjustable. Compared with the prior art, batch collection of the large-area adjustable sponge state carbon nanotube can be realized by the collection device for the sponge state carbon nanotube disclosed by the invention, and the collection device is simple in structure, stable, reliable, high in collection efficiency, and applicable to large-scale industrial production.

Description

technical field [0001] The invention relates to the field of nanomaterial manufacturing, in particular to a gas phase collection device and method for sponge carbon nanotubes. Background technique [0002] Carbon nanotube is a one-dimensional nanostructured material, which is formed by curling a similar single-layer graphite into a ring shape. It has light weight, high specific surface area, transparency, high strength, high electrical conductivity, high thermal conductivity, electric field emission, infrared Excellent physical, mechanical, electrical, and optical properties such as emission have broad application prospects in the fields of electromagnetic shielding materials, display materials, light-emitting devices, energy storage, filtration, sensors, and biomaterials. Sponge carbon nanotubes have broad application prospects in the fields of thermal insulation materials, flame retardancy, electromagnetic shielding, microwave absorption, heat radiation, and structural com...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B31/02B82Y30/00B82Y40/00C01B32/16
Inventor 张永毅王耿洁李清文高鹏金赫华
Owner SUZHOU CREATIVE CARBON NANOTECH
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