Preparation method of luffa sponge nitrogen-doped carbon nanomaterial

A nitrogen-doped carbon and nanomaterial technology, applied in nanocarbon and other directions, can solve the problems of high cost, harsh reaction conditions, insufficient raw materials, etc., and achieve the effects of saving industrial costs, simple preparation process and wide sources.

Inactive Publication Date: 2017-09-05
SHANGHAI APPLIED TECHNOLOGIES COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing methods for preparing carbon materials have some defects, such as high production cost, harsh reaction conditions, long reaction cycle, insufficient raw materials, and high cost

Method used

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  • Preparation method of luffa sponge nitrogen-doped carbon nanomaterial

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A preparation method of tianluo gluten nitrogen-doped carbon nano material specifically includes the following steps:

[0027] (1) Wash the Tianluojin after collecting, dry it in a muffle furnace at 100°C, dry for 12h, and grind it into a Tianluojin powder with a particle size of 100 mesh after drying;

[0028] (2) Prepare guanidine hydrochloride solution. The preferred mass ratio of Tianluojin and guanidine hydrochloride is 1:3. Add the ground Tianluojin into the solution for immersion. The immersion temperature is 20℃, and the immersion time is 4h-24h. Dry it at 30°C for use to prepare the precursor;

[0029] (3) Put the precursor in a tube furnace and calcine under the protection of nitrogen. The calcination time is 1h, the heating rate is 8°C / min, and the calcination temperature is 800°C to obtain the pre-carbonized product, and then cool down naturally;

[0030] (4) Prepare KOH solution, the preferred mass ratio of pre-carbonized product to KOH is 1:1, KOH solution concent...

Embodiment 2

[0034] A preparation method of tianluo gluten nitrogen-doped carbon nano material specifically includes the following steps:

[0035] (1) Wash the Tianluojin after collecting, dry it in a muffle furnace at 100°C, dry for 12h, and grind it into a Tianluojin powder with a particle size of 100 mesh after drying;

[0036] (2) Prepare a guanidine hydrochloride solution. The preferred mass ratio of Tianluojin and guanidine hydrochloride is 1:2. Add the ground Tianluojin into the solution for immersion. The immersion temperature is 60°C, the immersion time is 24h, and the temperature is 100%. Dry at ℃ for later use to prepare the precursor;

[0037] (3) Put the precursor in a tube furnace and roast under the protection of nitrogen. The roasting time is 1h, the heating rate is 8°C / min, and the roasting temperature is 300°C-800°C to obtain the pre-carbonized product, and then cool down naturally. ;

[0038] (4) Prepare the KOH solution, the preferred mass ratio of the pre-carbonized product t...

Embodiment 3

[0042] A preparation method of tianluo gluten nitrogen-doped carbon nano material specifically includes the following steps:

[0043] (1) Wash the Tianluojin after collecting, dry it in a muffle furnace at 100°C, dry for 12h, and grind it into a Tianluojin powder with a particle size of 100 mesh after drying;

[0044] (2) Prepare a guanidine hydrochloride solution. The preferred mass ratio of Tianluojin and guanidine hydrochloride is 1:1. Add the ground Tianluojin into the solution for immersion. The immersion temperature is 20℃, the immersion time is 24h, and the Dry it at ℃-200℃ for later use to prepare the precursor;

[0045] (3) Put the precursor in a tube furnace and roast it under the protection of nitrogen. The roasting time is 1h, the heating rate is 8°C / min, and the roasting temperature is 500°C to obtain the pre-carbonized product, and then cool down naturally;

[0046] (4) Prepare the KOH solution, the preferred mass ratio of the pre-carbonized product to KOH is 1:1, the KO...

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Abstract

The invention discloses a preparation method of a luffa sponge nitrogen-doped carbon nanomaterial. The preparation method comprises the following specific steps: (1) collecting luffa sponge, drying and grinding into powder; (2) adding the luffa sponge ground into powder into a guanidine hydrochloride solution for soaking, and then drying to obtain a precursor; (3) calcinating the precursor to obtain a pre-carbonized product; (4) adding the pre-carbonized product into a KOH solution for soaking, drying, and then calcinating at high temperature; (5) utilizing a hydrochloric acid solution to soak a product after calcinating at high temperature, filtering, washing to a neutral state and drying to obtain the luffa sponge nitrogen-doped carbon nanomaterial. The preparation method disclosed by the invention has the beneficial effects that the luffa sponge is utilized as the precursor to prepare the nitrogen-doped carbon nanomaterial, the luffa sponge is rich in source, a preparation process technology is simple, safe, reliable and free of pollution to environment, and quantified production is obtained.

Description

Technical field [0001] The invention specifically relates to the technical field of nanomaterials, in particular to a method for preparing a carbon nanomaterial doped with Tianluojin. Background technique [0002] Mankind’s excessive dependence on and use of energy has now caused serious energy crises and environmental problems. In order to achieve sustainable development of energy development and utilization, carbon-based materials have attracted the attention of a wide range of scholars. The preparation methods of carbon materials and the properties of precursors may have certain effects on the properties of carbon materials, including the structure, morphology, size and dimensions of carbon materials, etc. The development of carbon material preparation technology is important to explore the application of carbon nanomaterials application. [0003] At present, the biomass sources for preparing multi-space carbon nanomaterials are very rich, mainly from crops such as fruit pits a...

Claims

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Application Information

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IPC IPC(8): C01B32/15
CPCC01P2002/54C01P2004/03
Inventor 韩生颜松刘平赵志成蔺华林林静静常伟连俊
Owner SHANGHAI APPLIED TECHNOLOGIES COLLEGE
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