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Nanometer copper oxide composite material and preparation method thereof and super-capacitor electrode and super-capacitor

A nano-copper oxide and composite material technology, applied in the field of nano-materials, can solve the problems of poor conductivity, difficult to meet application requirements, small specific surface area, etc., and achieve the effects of small attenuation, long charge-discharge cycle life, and large specific surface area.

Inactive Publication Date: 2014-02-12
ANHUI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since various single-electrode materials have their own shortcomings, such as poor conductivity and small specific surface area, it is difficult to meet higher application requirements.

Method used

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  • Nanometer copper oxide composite material and preparation method thereof and super-capacitor electrode and super-capacitor
  • Nanometer copper oxide composite material and preparation method thereof and super-capacitor electrode and super-capacitor
  • Nanometer copper oxide composite material and preparation method thereof and super-capacitor electrode and super-capacitor

Examples

Experimental program
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Effect test

Embodiment 1

[0034] A nano-copper oxide composite material is composed of foamed copper and nano-copper oxide grown on its surface.

[0035] A method for preparing a nano-copper oxide composite material, the steps comprising:

[0036] a. Put the foamed copper into acetone, ethanol, dilute hydrochloric acid, and water in sequence, and perform ultrasonic cleaning; the time of ultrasonic cleaning in acetone, ethanol, dilute hydrochloric acid, and water is 10, 15, 10, and 10 min respectively, and the concentration of the dilute hydrochloric acid is 3mol / L;

[0037] b. Add 20mL of 0.05mol / L ammonia solution into the reaction kettle, and then make the cross-sectional area 2.5mm 2 , with a length of 4cm, soak the foamed copper in ammonia solution, tighten the lid of the reaction kettle, react at 100°C for 4 hours, cool to room temperature, take out the reacted foamed copper, clean it with distilled water and absolute ethanol, and dry it at room temperature to obtain a three-dimensional network ...

Embodiment 2

[0044] A nano-copper oxide composite material is composed of foamed copper and nano-copper oxide grown on its surface.

[0045] A method for preparing a nano-copper oxide composite material, the steps comprising:

[0046] a. Put the foamed copper into acetone, ethanol, dilute hydrochloric acid, and water successively, and perform ultrasonic cleaning; the ultrasonic cleaning time in acetone, ethanol, dilute hydrochloric acid, and water is 15, 15, 15, and 15 min respectively, and the concentration of the dilute hydrochloric acid is 3mol / L;

[0047] b. Add 20mL of 0.005mol / L ammonia solution into the reaction kettle, and then make the cross-sectional area 2.5mm 2 , with a length of 4cm, soak copper foam in ammonia solution, tighten the lid of the reaction kettle, react at 120°C for 5 hours, cool to room temperature, take out the reacted foam copper, clean it with distilled water and absolute ethanol, and dry it at room temperature to obtain a three-dimensional network nano-cop...

Embodiment 3

[0051] A nano-copper oxide composite material is composed of foamed copper and nano-copper oxide grown on its surface.

[0052] A method for preparing a nano-copper oxide composite material, the steps comprising:

[0053] a. Put the foamed copper into acetone, ethanol, dilute hydrochloric acid, and water in sequence, and perform ultrasonic cleaning; the time of ultrasonic cleaning in acetone, ethanol, dilute hydrochloric acid, and water is 12, 10, 12, and 10 min respectively, and the concentration of the dilute hydrochloric acid is 2mol / L;

[0054] b. Add 20mL of 0.1mol / L ammonia solution into the reaction kettle, and then make the cross-sectional area 2.5mm 2 , with a length of 4cm, soak the foamed copper in ammonia solution, tighten the lid of the reaction kettle, react at 80°C for 5 hours, cool to room temperature, take out the reacted foamed copper, clean it with distilled water and absolute ethanol, and dry it at room temperature to obtain a three-dimensional network nan...

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Abstract

The invention relates to a nanometer copper oxide composite material, a preparation method thereof, a super-capacitor electrode and a super-capacitor. The hydrothermal method is used for directly enabling a copper oxide nanometer structure to grow on the surface of foamy copper. The obtained three-dimensional net-like nanometer copper oxide composite material can be applied to construction of the super-capacitor electrode, so that the specific capacity of the super-capacitor is improved, and the cycle life is prolonged.

Description

technical field [0001] The invention belongs to the technical field of nanometer materials, and in particular relates to a nanometer copper oxide composite material and a preparation method thereof, a supercapacitor electrode and a supercapacitor. Background technique [0002] With the rapid development of science and technology, traditional electrodes as supercapacitors cannot meet the actual needs gradually. Capacitor electrode materials include: carbon material electrode materials, conductive polymer electrode materials, and metal oxide composite electrode materials. Since various single-electrode materials have their own shortcomings, such as poor conductivity and small specific surface area, it is difficult to meet higher application requirements. Contents of the invention [0003] Aiming at the deficiencies of the prior art, the present invention provides a nano-copper oxide composite material and its preparation method, a supercapacitor electrode and a supercapacit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G11/24H01G11/30H01G11/46B82Y40/00
CPCY02E60/13
Inventor 张小俊南红红马文勤
Owner ANHUI NORMAL UNIV
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