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Metallic oxide/carbon nano-tube composite material as well as preparation method and application thereof

A carbon nanotube and composite material technology, which is applied in active material electrodes, electrical components, electrolytic capacitors, etc., to avoid hydrothermal reactions, excellent electrochemical performance, and avoid functionalization effects.

Active Publication Date: 2009-08-05
INST OF CHEM CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But simple, economical and controllable synthesis of composite structural materials remains a challenge

Method used

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  • Metallic oxide/carbon nano-tube composite material as well as preparation method and application thereof
  • Metallic oxide/carbon nano-tube composite material as well as preparation method and application thereof
  • Metallic oxide/carbon nano-tube composite material as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Embodiment 1, preparation Fe 2 o 3 / Carbon nanotube composites

[0038] Weigh 10 mg of purified carbon nanotubes (Shenzhen Nano Harbor Co., Ltd., carbon nanotubes have a diameter of 60-100 nm and a length of 5-15 μm), add 30 ml of ethanol and 1 ml of Tween-80, and ultrasonically Dispersion was carried out for 5 hours to obtain solution A. Solution B was obtained by dissolving 400 mg of ferric chloride hexahydrate in 2 ml of ethanol. 600 mg of urea was weighed and dissolved in solution A to obtain solution C, and 2 ml of water was added to solution C to obtain solution D. In solution D, the volume ratio of water to ethanol is 1:15. Add solution B to solution D and mix well to obtain solution E. Transfer solution E to a round bottom flask, reflux at 120°C for 10 hours under stirring, centrifuge to separate the solid, wash it with ethanol, and dry at 80°C to obtain Fe 2 o 3 / Precursors of carbon nanotube composites. Then the precursor was annealed as follows: under...

Embodiment 2

[0044] Embodiment 2, preparation NiO / carbon nanotube composite material

[0045] Weigh 10 mg of purified carbon nanotubes (Shenzhen Nano Harbor Co., Ltd., carbon nanotubes have a diameter of 60-100 nm and a length of 5-15 μm), add 30 ml of ethanol and 1 ml of Tween-80, and ultrasonically Dispersion was carried out for 5 hours to obtain solution A. Solution B was obtained by dissolving 300 mg of nickel chloride hexahydrate in 2 ml of ethanol. Weigh 600 mg of urea and dissolve it in solution A to obtain solution C. Add 2 ml of water to solution C to obtain solution D. In solution D, the volume ratio of water to ethanol is 1:15. Add solution B to solution D, mix well to obtain solution E, transfer solution E to a round bottom flask, reflux at 120°C for 6 hours under stirring, centrifuge to separate the solid, wash it with ethanol, and dry at 100°C to obtain NiO / carbon Precursors for nanotube composites. Then the precursor was heated from 20° C. to 400° C. at a rate of 1° C. / m...

Embodiment 3

[0048] Embodiment 3, prepare RuO 2 / Carbon nanotube composites

[0049] Weigh 10 mg of purified carbon nanotubes (Shenzhen Nanoport Co., Ltd., carbon nanotubes have a diameter of 60-100 nm and a length of 5-15 μm), add 30 ml of ethanol, and ultrasonically disperse for 5 hours to obtain solution A . Solution B was obtained by dissolving 40 mg of ruthenium trichloride in 2 ml of ethanol. Weigh 900 mg of urea and dissolve it in solution A to obtain solution C, add 2 ml of water to solution C to obtain solution D. In solution D, the volume ratio of water to ethanol is 1:15. Add solution B to solution D, mix well to obtain solution E, transfer solution E to a round bottom flask, reflux at 120°C for 10 hours under stirring, centrifuge to separate the precipitate, wash with ethanol, and dry at 80°C to obtain RuO 2 / Precursors of carbon nanotube composites. Then the precursor was heated from 20 °C to 400 °C at a rate of 1 °C / min under nitrogen atmosphere, and kept for 1 hour, and...

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Abstract

The invention discloses a metal oxide / carbon nano tube composite material and a preparation method and application thereof. The method for preparing the metal oxide / carbon nano tube composite material comprises the following steps: a) dispersing carbon nano tubes into ethanol or an ethanol solution taking a surfactant as a solute to obtain a solution A; b) dissolving soluble metal salts into the ethanol to obtain a solution B; c) adding urea into the solution A to obtain a solution C; d) adding water into the solution C according to the volume ratio of the water to the ethanol of 1:25-1:12.5 to obtain a solution D; e) adding the solution B into the solution D to obtain a solution E; f) refluxing the solution E at the temperature of between 100 and 150 DEG C for 2 to 20 hours to obtain a precursor of the metal oxide / carbon nano tube composite material; and g) heating the precursor from the temperature of between 20 and 25 DEG C to the temperature of between 350 and 400 DEG C according to the velocity ratio of 1 DEG C per minute in the anoxybiotic environment, and maintaining at the temperature for 1 hour to obtain the metal oxide / carbon nano tube composite material. The metal oxide / carbon nano tube composite material prepared by the method can be applied as an electrode material of an energy storage device.

Description

technical field [0001] The invention relates to a metal oxide / carbon nanotube composite material and its preparation method and application. Background technique [0002] Materials, energy and information are the backbone of modern society and the main concerns of the new century. The development of new materials may become a new economic growth point, which determines or affects the development of an industry to a large extent. [0003] In the past ten years, inorganic or organic nano / microstructures with fixed morphology not only have great potential application prospects in electronics, optics, mechanics and other devices, but also have great potential application prospects in chemistry, physics, electronics, etc. due to their unique properties. Basic research in the fields of physics, optics, material science and biological science has far-reaching significance. Another frontier of research in this area is how to construct novel composite structural materials with nove...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B31/02H01M4/02H01G9/042
CPCY02E60/12Y02E60/10
Inventor 万立骏郑书发郭玉国
Owner INST OF CHEM CHINESE ACAD OF SCI
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