Composite conductor application of carbon nano tube fiber and preparation method thereof

A carbon nanotube fiber and composite wire technology, which is applied in the manufacturing of carbon-silicon compound conductors, metal/alloy conductors, cables/conductors, etc., can solve the problems of wire fracture failure, complex production process, poor strength and toughness, etc. Simple, reproducible results

Inactive Publication Date: 2011-02-16
SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI
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Problems solved by technology

For example, most of the ultra-fine wires on the market are made of metal materials with good conductivity, but there are

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  • Composite conductor application of carbon nano tube fiber and preparation method thereof
  • Composite conductor application of carbon nano tube fiber and preparation method thereof
  • Composite conductor application of carbon nano tube fiber and preparation method thereof

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[0033] Example 1

[0034] Such as figure 2 As shown, the carbon nanotube fiber composite wire of the present invention takes the carbon nanotube fiber as the main body, and obtains a uniform metal coating on the surface of the carbon nanotube fiber through an electroless plating process. The specific steps include the preparation of carbon nanotube fibers and the chemical plating of the fibers.

[0035] First, use the electron beam evaporation method, with thermally oxidized SiO in 2 inches 2 A uniform Fe film is deposited on the Si wafer as a catalyst for the growth of carbon nanotube arrays. Then, it was placed in a quartz tube furnace with a diameter of 3 inches, and acetylene gas was used as a carbon source gas to prepare a spinnable carbon nanotube array using thermal chemical vapor deposition technology under 700°C growth conditions. The array height was 400 μm. Afterwards, a carbon nanotube film with a fixed width of 3mm is uniformly drawn from the spinnable array through ...

Example Embodiment

[0037] Example 2

[0038] Such as image 3 As shown, the carbon nanotube composite wire of the present invention uses carbon nanotube fibers as the body, and obtains a uniform metal coating on the surface of the carbon nanotube fibers through an electroplating process. The specific steps include carbon nanotube fiber preparation and fiber electroplating.

[0039] Refer to Specific Example 1 for the preparation method of the carbon nanotube fiber material. The prepared carbon nanotube fiber with a diameter of 12 μm is fixed on a PVC flat plate, and one end of the carbon nanotube fiber is connected to the electrode with conductive silver glue. Use CuSO 4 The solution is a plating solution. Put the prepared electroplating solution on the magnetic heating stirrer, and use the method of stirring and heating to keep the temperature of the electroplating solution at 40-45°C. Place the carbon nanotube fibers pre-fixed on the PVC plate in the plating solution, connect one end of the elec...

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Abstract

The invention discloses composite conductor application of carbon nano tube fiber and a preparation method thereof. The invention is characterized in that a high strength carbon nano tube fiber material is combined with electroplating or chemical plating surface treatment process, and conductive metal coating is compounded on the carbon nano tube fiber, thus obtaining a carbon nano tube composite conductor with light weight, high strength and high electric conduction. The preparation method includes the following steps: firstly high strength carbon nano tube fiber material is prepared, and then chemical plating or electroplating is adopted to prepare uniform metal coating on the surface of fiber, thus obtaining the carbon nano tube composite conductor. The type of metal coating and the thickness of metal coating are controlled, so that the conductivity of carbon nano tube conductor can be consistent with the conductivity of metal body. The application and preparation method of the invention are simple and feasible, step is simple, and repeatability is good, thus being applicable to mass production, thereby having significance in development of novel superfine conductor with light weight, high tenacity and high strength and in showing potential application value thereof in electronic industry.

Description

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Claims

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Application Information

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Owner SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI
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