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Metal and carbon-based material electrode surface carbon nano tube coating and preparation method thereof

A carbon nanotube and electrode surface technology, which is applied in the coating process of metal materials, devices for coating liquid on the surface, coatings, etc., to achieve the effect of large specific surface area and low cost

Active Publication Date: 2020-08-18
上海金铎禹辰水环境工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Purpose of the invention: To provide a carbon nanotube coating on the surface of metal and carbon-based material electrodes and its preparation method to solve the problems involved in the background technology

Method used

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  • Metal and carbon-based material electrode surface carbon nano tube coating and preparation method thereof

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[0031] The preparation method comprises the following steps: S1: providing nano-surface functionalized carbon nanotubes, metal salt solution, organic solvent, polyvinyl alcohol, deionized water and target electrodes. Wherein the metal salt solution includes any of metal salts such as tetrabutyl titanate, chloroplatinic acid, aluminum isopropoxide and zinc acetate or contains any one of them, and the carbon nanotubes are functional after plasma treatment Carbonized carbon nanotubes, the organic solvent is any one of organic alcohols such as ethanol, isopropanol, n-butanol and butanol or contains any one of them, and the target carrier is a metal and carbon-based material electrode; S2: The carbon nanotubes are uniformly dispersed in an organic solvent, and ultrasonic treatment is performed to further disperse the carbon nanotubes in the solution. Wherein the mass fraction of carbon nanotubes in the carbon nanotube dispersion is 20% to 45%; S3: mix the metal salt solution with d...

Embodiment 1

[0037]Disperse 2.0 g of carbon nanotubes evenly in 10 g of absolute ethanol, and ultrasonicate for 30 min; mix 5.35 g of tetrabutyl titanate, 12.25 g of isopropanol and 0.45 g of deionized water, and slowly add 2.23 g of polyvinyl alcohol , stirred at room temperature for 2 h to obtain the coating skeleton precursor; uniformly mixed the dispersed graphene dispersion and the coating skeleton precursor at a mass ratio of 1:1, stirred at room temperature for about 1 h, and obtained the carbon nanotube coating precursor The precursor solution is coated on the surface of the target electrode, dried in an oven at 100°C for about 1 h, taken out, and placed in a tube furnace at 430°C for about 3 h to obtain the surface of the electrode. carbon nanotube coating.

Embodiment 2

[0039] Evenly disperse 3.0 g of carbon nanotubes in 10 g of absolute ethanol, and ultrasonicate for 30 min; mix 8.14 g of chloroplatinic acid, 12.25 g of isopropanol and 0.45 g of deionized water, slowly add 4.51 g of polyvinyl alcohol, and Stir for 4 h to obtain the coating skeleton precursor; uniformly mix the dispersed graphene dispersion and the coating skeleton precursor at a mass ratio of 3:1, and stir at room temperature for about 1 h to obtain the carbon nanotube coating precursor; Coat the precursor solution on the surface of the target electrode, dry it in an oven at 100°C for about 2 hours, take it out, and put it in a tube furnace at 500°C for a thermal decomposition reaction for about 3 hours to obtain carbon nanotubes on the electrode surface coating.

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Abstract

The invention discloses a metal and carbon-based material electrode surface carbon nano tube coating and a preparation method thereof and belongs to the technical field of semiconductor coatings. Thecarbon nano tube coating comprises a carbon nano tube and a metal framework. A carbon nano tube coating precursor comprises a metal salt solution, a surface functionalized carbon nano tube and an organic solvent. The metal and carbon-based material electrode surface carbon nano tube coating is generated after a reaction through a thermal-decomposition idea. The preparation method of the metal andcarbon-based material electrode surface carbon nano tube coating includes the following steps that the surface functionalized carbon nano tube is dispersed in the organic solvent for ultrasonic treatment, and a stable dispersed system is formed; and the metal salt solution and carbon nano tube dispersion liquid are mixed uniformly and then applied to the surface of an electrode, drying is performed in a drying box, a thermal decomposition reaction is performed in a tube furnace, and thus the carbon nano tube coating on the surface of the electrode is prepared. The specific surface area of thecoating prepared through the method is large, a catalytic action of the carbon nano tube is fully utilized, the preparation method and process are simple, and the industrialized production is facilitated.

Description

technical field [0001] The invention belongs to the technical field of semiconductor coatings, in particular to a carbon nanotube coating on the electrode surface of metal and carbon-based materials and a preparation method thereof. Background technique [0002] In the field of coatings, high-quality coatings can play a powerful interface role. Especially in the application of the electrode surface, the performance of the coating quality directly affects the catalytic and conductive properties of the electrode. The existing conductive coatings have many shortcomings. On the one hand, the poor toughness of these materials makes it difficult to apply in flexible on the substrate. On the other hand, due to their poor environmental pH resistance and aging resistance, complex preparation process, and high cost of raw materials, their prices are relatively high. [0003] Carbon nanotubes play a pivotal role in the field of electronic devices due to their excellent electrical, me...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D7/24B05D3/02C09D1/00C01B32/168C23C18/08C23C18/12
CPCB05D7/24B05D3/0272C09D1/00C01B32/168C23C18/1204C23C18/1262C23C18/08
Inventor 张亚非任燕张习武江垠周涛
Owner 上海金铎禹辰水环境工程有限公司
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