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Nitrogen-doped porous carbon material, preparation method and use thereof

A technology of porous carbon and nitrogen doping, applied in separation methods, carbon preparation/purification, chemical instruments and methods, etc., can solve the problems of lack of research on surface functional group modification or heteroatom doped materials, focusing on material pore structure, etc. , to achieve the effect of good recycling performance, easy availability of raw materials and mild reaction conditions

Active Publication Date: 2013-11-27
THE NAT CENT FOR NANOSCI & TECH NCNST OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the reported methods for preparing carbon materials based on the template method, all of them focus on the construction of the material pore structure, but there is a lack of research on materials with surface functional group modification or heteroatom doping

Method used

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  • Nitrogen-doped porous carbon material, preparation method and use thereof
  • Nitrogen-doped porous carbon material, preparation method and use thereof
  • Nitrogen-doped porous carbon material, preparation method and use thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0055] Put 2.00g of glucose into a 25mL tumbler, add 8.0mL of ultrapure water, and stir on a mechanical stirrer; at the same time, take 0.20g of polyetheramine (PEA, the degree of polymerization is 230), add 10.0mL of ultrapure water , stirring on a mechanical stirrer protected from light. After it is completely dissolved, add the glucose solution dropwise into the polyetheramine solution, stir at room temperature in the dark for 15 minutes, then put the flat-bottomed glass containing the mixed solution into the matching polytetrafluoroethylene reactor, and place it in an oven at 180°C , hydrothermal reaction 20h. After the reaction was completed and cooled down to room temperature, it was filtered with suction, and the product obtained by suction filtration was further washed several times with ultrapure water and ethanol, and dried in an oven at 80°C overnight to obtain 0.81 g of gray-brown solid powder.

[0056] The form of nitrogen in the obtained carbon material includes...

Embodiment 2

[0058] Put 2.00g of glucose into a 25mL tumbler, add 8.0mL of ultrapure water, and stir on a mechanical stirrer; at the same time, take 0.25g of polyetheramine (PEA, the degree of polymerization is 230), add 10.0mL of ultrapure water , stirring on a mechanical stirrer protected from light. After it is completely dissolved, add the glucose solution dropwise into the polyetheramine solution, stir at room temperature in the dark for 15 minutes, then put the flat-bottomed glass containing the mixed solution into the matching polytetrafluoroethylene reactor, and place it in an oven at 180°C , hydrothermal reaction 20h. After the reaction was completed and cooled down to room temperature, it was filtered with suction, and the product obtained by suction filtration was washed several times with ultrapure water and ethanol, and dried in an oven at 80°C overnight to obtain 0.85 g of beige solid powder.

[0059] Take 0.50g of the obtained solid powder into a quartz boat, put it into a ...

Embodiment 3

[0062] Put 2.00g of glucose into a 25mL tumbler, add 8.0mL of ultrapure water, and stir on a mechanical stirrer; at the same time, take 0.50g of polyetheramine (PEA, the degree of polymerization is 230), add 10.0mL of ultrapure water , stirring on a mechanical stirrer protected from light. After it is completely dissolved, add the glucose solution dropwise into the polyetheramine solution, stir at room temperature in the dark for 15 minutes, and then put the flat-bottomed glass containing the mixed solution into the matching polytetrafluoroethylene reaction kettle. Thermal reaction 20h. After the reaction was completed and cooled down to room temperature, it was filtered with suction, and the product obtained by suction filtration was further washed several times with ultrapure water and ethanol, and then dried in an oven at 80°C overnight to obtain 0.80 g of beige solid powder.

[0063] Take 0.50g of the obtained solid powder into a quartz boat, put it into a tube furnace, a...

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Abstract

The present invention discloses a nitrogen-doped porous carbon material preparation method, which comprises: adopting nitrogen-containing macromolecule as a template agent and a nitrogen source, adopting a biomass derivative as a carbon source, carrying out a hydrothermal carbonization reaction under a hydrothermal condition, and removing the template agent to obtain the nitrogen-doped porous carbon material. The present invention further provides a class of nitrogen-doped porous carbon materials prepared by using the method. The material obtained through the preparation method has characteristics of high nitrogen content and relatively high specific surface area. Experiment results show that the nitrogen-doped porous carbon materials provide excellent absorption performances for hydrogen and carbon dioxide. In addition, due to presence of the nitrogen-containing group, the porous material of the present invention can be expected to be used for catalysis, gas storage, molecule separation, clean energy carriers, super capacitors and other fields.

Description

technical field [0001] The invention relates to a preparation method of a nitrogen-doped porous carbon material, a nitrogen-doped porous carbon material prepared by the method and an application of the nitrogen-doped porous carbon material. Background technique [0002] Carbon materials have the characteristics of high specific surface area, large pore volume, chemical inertness, good thermal stability, high mechanical strength and low cost. They have good applications in water and gas purification, gas storage, electrode materials, biological carriers and catalyst carriers. Application prospects. [0003] Traditional carbon materials preparation methods mainly include graphite arc method, chemical vapor deposition method, laser evaporation method, pyrolysis polymer method and template method. [0004] (1) Graphite arc method: Graphite rods are used as cathode and anode, and ammonia or helium is used as inert gas. When the instrument is working, high temperature is generate...

Claims

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Application Information

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IPC IPC(8): B01J20/20B01J20/30B01D53/02C01B31/02C01B32/05
CPCY02C10/08Y02C20/40
Inventor 赵丽马东兴毛立娟肖沛文韩宝航
Owner THE NAT CENT FOR NANOSCI & TECH NCNST OF CHINA
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