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Method for manufacturing metal/carbon nanotube nano-composite using electroplating

a technology of carbon nanotubes and nano-composites, applied in the direction of nanotechnology, material nanotechnology, coatings, etc., can solve the problem of replacing existing metal thin film materials with big problems

Inactive Publication Date: 2007-08-30
KOREA ADVANCED INST OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0009]According to the present invention, a metal / carbon nanotube complex material can manufacture a complex material in a thin film using an electroplating.

Problems solved by technology

The carbon nanotube does not constitute densely packed structure to leave empty spaces between carbon nanotubes when it grows, leading to a big problem in replacing the existing metal thin film material.

Method used

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Embodiment Construction

[0017]Hereinafter, the present invention now will be described in detail with reference to the accompanying drawings by steps.

[0018]FIG. 1 is a schematic view showing a step for purifying and cutting carbon nanotubes in acid solution.

[0019]Acid treatment of carbon nanotubes is carried out in acid solution in order to remove residues such as catalyst metals of carbon nanotubes and to cutting(sever) the carbon nanotube into the level of molecules via an oxidation.

[0020]The acid solution may use at least one of sulfuric acid, nitric acid and hydrochloric acid. The embodiment described later uses acid solution with a component of sulfuric acid to nitric acid of 3:1 in volume ratio.

[0021]After carbon nanotubes are immersed into the acid solution, the predetermined treatments may be further carried out in order to improve purifying and cutting the carbon nanotubes. As an instance of these treatments, at least one of sonication, laser treatment and a stirring by an agitato r in acid soluti...

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Abstract

Disclosed herein is a method for manufacturing metal / carbon nanotube nano-composite using electroplating, more particularly, to a method for manufacturing metal / carbon nanotube nano-composite comprising: adding carbon nanotubes and cationic surfactants in metal plating solution including metal or metal salt and performing electroplating in the cathode.According to the present invention, the method for manufacturing metal / carbon nanotube nano-composite using electroplating comprises: immersing carbon nanotubes in acid solution and filtering the solution and carrying out heat treatment; adding the heat treated carbon nanotubes and cationic surfactants in metal plating solution including metal or metal salt and dispersing the carbon nanotubes; and providing a cathode and an anode in the metal plating solution including the carbon nanotubes and the cationic surfactant, to which current is applied and carrying out electroplating in order to obtain metal / carbon nanotube nano-composite(complex material).

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The present invention relates, generally, to methods for manufacturing metal / carbon nanotube Nano-composite using electroplating, more particularly, to a method for manufacturing metal / carbon nanotube Nano-composite comprising: adding carbon nanotubes and cationic surfactants in the metal plating solution and performing electroplating in the cathode to manufacture metal / carbon nanotube nano-composite.[0003]2. Description of the Related Art[0004]The carbon nanotube has excellent electrical conductivity, thermal conductivity and strength, thus is expected to show more excellent physical properties when combined with specific qualities of specific metals. Therefore, there have been a lot of developments of composites including carbon nanotubes.[0005]Especially, when it comes to forming nano-composite of metal and carbon nanotubes, researches are directed to improving mechanical properties and the nano-composite is mainly m...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): C25D3/56
CPCC25D15/02B82B3/00B82Y30/00
Inventor SON, YOON-CHULYOO, JUNG-JOONYU, JIN
Owner KOREA ADVANCED INST OF SCI & TECH
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