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Poly-3,4-ethylenedioxy thiophene/multi-wall carbon nanotube compositions and their preparation process and use

A technology of ethylenedioxythiophene and multi-walled carbon nanotubes, which is applied in the field of poly-3,4-ethylenedioxythiophene/multi-walled carbon nanotubes composites and its preparation method and application, can solve the problems that have not yet been solved. See and other questions

Inactive Publication Date: 2005-03-16
NANJING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But there is no report of poly-3,4-ethylenedioxythiophene / multi-walled carbon nanotube composite

Method used

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  • Poly-3,4-ethylenedioxy thiophene/multi-wall carbon nanotube compositions and their preparation process and use
  • Poly-3,4-ethylenedioxy thiophene/multi-wall carbon nanotube compositions and their preparation process and use
  • Poly-3,4-ethylenedioxy thiophene/multi-wall carbon nanotube compositions and their preparation process and use

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Experimental program
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Embodiment 1

[0017] Embodiment 1. Poly-3, the preparation of 4-ethylenedioxythiophene / multi-walled carbon nanotube composite (conductive polymer poly-3, the mass of 4-ethylenedioxythiophene and multi-walled carbon nanotube The ratio is 6.8:1).

[0018] Add 0.15 g of multi-walled carbon nanotubes with a diameter of 20-40 nm, 0.46 g of p-toluenesulfonic acid, 13.1 g of ferric chloride hexahydrate, and 40 mL of distilled water in a 100 mL beaker. The above-mentioned beaker was placed in an ultrasonic cleaner for 30 minutes. After fully dissolving, 1.02 g of 3,4-ethylenedioxythiophene monomer was added dropwise at room temperature under electromagnetic stirring. Electromagnetic stirring was carried out at room temperature for 36 hours. The product was filtered, and the complexes were filtered out and washed repeatedly with distilled water until the AgNO 3 No Cl in the filtrate was detected in the aqueous solution - ion. Drying under an infrared lamp can obtain the poly-3,4-ethylenedioxyth...

Embodiment 2

[0019] Embodiment 2. Poly-3, the preparation of 4-ethylenedioxythiophene / multi-walled carbon nanotube composite (conductive polymer poly-3, the mass of 4-ethylenedioxythiophene and multi-walled carbon nanotube The ratio is 68:1)

[0020] Add 0.015 g of multi-walled carbon nanotubes with a diameter of 20-40 nm, 0.46 g of p-toluenesulfonic acid, 13.0 g of ferric chloride hexahydrate, and 40 mL of distilled water in a 100 mL beaker. The above-mentioned beaker was placed in an ultrasonic cleaner for 30 minutes. After fully dissolving, 1.02 g of 3,4-ethylenedioxythiophene monomer was added dropwise at room temperature under electromagnetic stirring. Electromagnetic stirring was carried out at room temperature for 36 hours. The product was filtered, and the complexes were filtered out and washed repeatedly with distilled water until the AgNO 3 No Cl in the filtrate was detected in the aqueous solution - ion. Drying under an infrared lamp can obtain the poly-3,4-ethylenedioxythi...

Embodiment 3

[0021] Embodiment 3. The preparation of poly-3,4-ethylenedioxythiophene / multi-walled carbon nanotube composite (the mass of conductive polymer poly-3,4-ethylenedioxythiophene and multi-walled carbon nanotube The ratio is 3:1)

[0022] Add 0.20 g of multi-walled carbon nanotubes with a diameter of 20-40 nm, 0.28 g of p-toluenesulfonic acid, 8.0 g of ferric chloride hexahydrate, and 40 mL of distilled water in a 100 mL beaker. The above-mentioned beaker was placed in an ultrasonic cleaner for 30 minutes. After fully dissolving, 0.6 g of 3,4-ethylenedioxythiophene monomer was added dropwise at room temperature under electromagnetic stirring. Electromagnetic stirring was carried out at room temperature for 36 hours. The product was filtered, and the complexes were filtered out and washed repeatedly with distilled water until the AgNO 3 No Cl in the filtrate was detected in the aqueous solution - ion. Drying under an infrared lamp can obtain the poly-3,4-ethylenedioxythiophene...

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Abstract

Disclosed is a poly-34-ethylenedioxy thiofuran / multi-wall carbon nano-tube compound, characterized in that, wherein the diameter of the carbon nano tube is 20-40 nm, the length is 200nm-5um, the diameter of the compound is 30-80 nm, the conductive macromolecular poly-3,4-ethylenedioxy thiofuran is covered onto the surface of the carbon nanotubes uniformly, the mass ratio of the conductive macromolecular poly-3,4-ethylenedioxy thiofuran and the multi-walled carbon nanotubes is 1-6:1.

Description

1. Technical field [0001] The present invention relates to poly-3,4-ethylenedioxythiophene (poly(3,4-ethylenedioxythiophene)), multi-walled carbon nanotubes and supercapacitors. 2. Background technology [0002] With the rapid growth of population and the rapid development of social economy, the demand for resources and energy is also increasing, and resources and energy are gradually in short supply. The energy supply system based on petroleum and coal releases a large amount of pollutants while releasing energy, which leads to the deterioration of the ecological environment. Therefore, human beings will pay more attention to clean and renewable new energy sources - batteries. In order to avoid the problem of air pollution caused by the burning of fuel in vehicles, the use of batteries as vehicle power has gained widespread attention in recent years. However, the requirements for power density of automotive power batteries are getting higher and higher, which has exceeded ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G75/00C08K3/04C08L81/00
Inventor 张剑荣李维宽胡景伟朱俊杰
Owner NANJING UNIV
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