Graphene oxide loaded copper sulfide composite material preparation method

A composite material, graphene technology, applied in copper sulfide, chemical instruments and methods, carbon compounds, etc., can solve the problems of complex preparation methods and high energy consumption, and achieve high phase purity, easy commercial production, and simple process. Effect

Active Publication Date: 2019-04-05
镇江苏海电力科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a preparation method of graphene oxide-supported copper sulfide composite material, to solve the problems of complex preparation methods and high energy consumption in the prior art

Method used

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  • Graphene oxide loaded copper sulfide composite material preparation method
  • Graphene oxide loaded copper sulfide composite material preparation method
  • Graphene oxide loaded copper sulfide composite material preparation method

Examples

Experimental program
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Effect test

Embodiment 1

[0033] In the present embodiment, graphene oxide loaded copper sulfide composite material is realized according to the following steps:

[0034] (1) Weigh 1g graphene oxide, 1g copper nitrate and 1g sodium sulfide and dissolve in ethanol solvent, then transfer the solution to a sealed beaker, stir on a magnetic stirrer, the stirring rate is 350rpm, after stirring for 6h, Promptly make mixed solution;

[0035] (2) Transfer the mixed solution obtained in step (1) to a hydrothermal reaction kettle, and then place the hydrothermal reaction kettle in an oven for hydrothermal reaction. The temperature of the oven is set at 160° C., and the reaction time is 3 hours;

[0036] (3) The hydrothermal reaction product obtained in step (2) is subjected to centrifugal cleaning in a centrifuge, the centrifugal speed is 6000rpm, the number of centrifugals is 8 times, and the centrifugal solvent is ultrapure water; then the product is placed in a drying oven to dry , the drying temperature is ...

Embodiment 2

[0039] In this embodiment, the graphene oxide-supported copper sulfide composite material is realized by the following steps:

[0040] (1) Weigh 8g of graphene oxide, 1g of copper nitrate and 1g of sodium sulfide and dissolve them in ultrapure water, then transfer the solution to a sealed beaker and stir on a magnetic stirrer at a stirring rate of 400rpm, after stirring for 7h , to obtain a mixed solution;

[0041] (2) Transfer the mixed solution obtained in step (1) to a hydrothermal reaction kettle, and then place the hydrothermal reaction kettle in an oven for hydrothermal reaction. The temperature of the oven is set at 200° C., and the reaction time is 10 hours;

[0042] (3) The hydrothermal reaction product obtained in step (2) is subjected to centrifugal cleaning in a centrifuge, the centrifugal speed is 7000rpm, the number of centrifugals is 9 times, and the centrifugal solvent is ethanol; then the product is placed in a drying oven to dry and dry The temperature is 45...

Embodiment 3

[0045] In this embodiment, the graphene oxide-supported copper sulfide composite material is realized by the following steps:

[0046] (1) Weigh 8g of graphene oxide, 4g of copper nitrate and 1g of sodium sulfide and dissolve them in ultrapure water, then transfer the solution to a sealed beaker and stir on a magnetic stirrer at a stirring rate of 500rpm, after stirring for 8h , to obtain a mixed solution;

[0047] (2) Transfer the mixed solution obtained in step (1) to a hydrothermal reaction kettle, and then place the hydrothermal reaction kettle in an oven for hydrothermal reaction. The temperature of the oven is set at 280° C., and the reaction time is 24 hours;

[0048] (3) The hydrothermal reaction product obtained in step (2) is centrifugally cleaned in a centrifuge, the centrifugal speed is 8000rpm, the centrifugal frequency is 10 times, and the centrifugal solvent is ultrapure water or ethanol; then the product is placed in a drying box Drying, the drying temperature...

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Abstract

The invention relates to the technical field of graphene composite materials, in particular to a graphene oxide loaded copper sulfide composite material preparation method. The method includes steps:(1) proportionally weighing graphene oxide rGO, copper nitrate CuNO3 and sodium sulfide Na2S into a solvent, transferring solution into a sealed beaker, and stirring to obtain mixed solution; (2) transferring the mixed solution obtained in the step (1) into a hydrothermal reaction kettle, putting the hydrothermal reaction kettle in a drying oven at a temperature of 160-280 DEG C, and performing hydrothermal reaction; (3) centrifugally cleaning a hydrothermal reaction product obtained in the step (2) in a centrifuge, and drying the product in a drying box; (4) adding the product obtained in thestep (3) into a tube furnace, performing programmed temperature rise until a final temperature of 600-1000 DEG C is achieved, and after heat preservation, sintering with argon as shielding gas to realize carbonization, so that the target composite material is obtained.

Description

technical field [0001] The invention relates to the technical field of graphene composite materials, and specifically relates to a method for preparing graphene oxide-loaded copper sulfide composite materials. Background technique [0002] Graphene is a two-dimensional carbon nanomaterial composed of carbon atoms. It has excellent physical properties and has broad application prospects in materials science, information science, energy, and biomedicine. It is considered to be a future revolutionary s material. Graphene is also one of the materials with the highest strength known, and it also has good toughness, so it is the first choice for the preparation of high-strength new materials. Common graphene composites include: graphene-nanoparticle composites, graphene-polymer composites, graphene-carbon-based composites, and graphene-metal-based composites. Graphene has ultra-high thermal conductivity. Adding it to the metal matrix can improve the mechanical properties of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B32/198C01B32/194C01G3/12
CPCC01B32/194C01B32/198C01G3/12C01P2002/72C01P2004/03C01P2004/80
Inventor 张超王匀绕鹏
Owner 镇江苏海电力科技有限公司
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