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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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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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 disadvantages such as complex manufacturing process, poor strength and toughness, and the wire is easy to break and fail.

Method used

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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

Examples

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Embodiment 1

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

[0035] First of all, electron beam evaporation is used, with thermal oxidation of SiO in 2 inches 2 A uniform Fe film was 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 the spinnable carbon nanotube array was prepared by using thermal chemical vapor deposition technology under the growth condition of 700 °C using acetylene gas as the carbon source gas, and the array height was 400 μm. Thereafter, a carbon nanotube film with a fixed width of 3 mm is uniformly pulled out from the spinnable array by d...

Embodiment 2

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

[0039] The preparation method of carbon nanotube fiber material refers to specific example 1. The prepared carbon nanotube fibers with a diameter of 12 μm were fixed on a PVC plate, and one end of the carbon nanotube fibers was connected to an electrode with conductive silver glue. Using CuSO 4 The solution is an electroplating solution. Place the prepared electroplating solution on a magnetic heating stirrer, and keep the temperature of the electroplating solution at 40-45° C. by means of stirring and heating. Place the carbon nanotube fiber pre-fixed on the PVC plate in the plating solution, connect the electrode...

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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

technical field [0001] The invention relates to the field of application and preparation of nanomaterials, in particular to the application of light-weight and high-strength carbon nanotube fibers to composite wires and a preparation method thereof. Background technique [0002] Carbon nanotubes have been observed by Ijima under the electron microscope since 1991 [1] , has attracted the attention of scientists. Further studies have shown that carbon nanotubes have excellent mechanical properties and good electrical conductivity due to their special graphite layered structure. The current research results show that the tensile strength of carbon nanotubes is 150Gpa [2] , Young's modulus is 1Tpa [3] . In recent years, through spinning technology, carbon nanotube aerosol [4] , Spinnable carbon nanotube arrays [5] and cotton-like carbon nanotube raw materials [6] The carbon nanotube fiber material composed of pure carbon nanotubes was obtained through processing. At pres...

Claims

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Application Information

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IPC IPC(8): H01B13/00H01B1/02H01B7/00H01B1/04
Inventor 徐耿勇振中李清文
Owner SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI
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