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A carbon-based nanomaterial and its preparation method and use

A carbon-based nanomaterial and metal precursor technology, which is applied in the fields of nanotechnology, nanotechnology, and nanotechnology for materials and surface science, and can solve the problem that the morphology and size of carbon-based materials are difficult to control, the material is not uniform, and the electrical conductivity problems such as poor performance, to achieve the effects of favorable diffusion and transmission, good conductivity, and simple preparation

Active Publication Date: 2021-06-22
FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the shape and size of existing carbon-based materials are difficult to control, the volume is large, and the material is inhomogeneous, so the electrical conductivity is poor, and it cannot be well applied in the field of electrolysis of water for hydrogen production.

Method used

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  • A carbon-based nanomaterial and its preparation method and use
  • A carbon-based nanomaterial and its preparation method and use
  • A carbon-based nanomaterial and its preparation method and use

Examples

Experimental program
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Effect test

Embodiment 1

[0042] 1) Preparation of glucose and chloroplatinic acid loaded into PCN-222

[0043] Take 15mM zirconium chloride, 6mM tetracarboxyphenylporphyrin, and 0.875ml acetic acid into a small glass bottle, add a mixed solvent of 5ml DMF and 5ml ethanol, ultrasonicate for 30min, put it in an oven at 60°C for 48h, then filter it, and use Washing with ethanol, centrifugation, repeated five times, and drying to obtain PCN-222, the shape of the PCN-222 is rod-like. The scanning electron microscope characterization results are as follows figure 2 shown.

[0044] Dissolve 60mM glucose and 0.5mM chloroplatinic acid in 10ml of water / ethanol mixed solution (volume ratio 1:9), dissolve and disperse by ultrasonication for 30 minutes, add to 100mg PCN-222, stir for 2h, let stand for 4h, and then filter , washed three times with water / ethanol mixed solution (volume ratio 1:9), dried, and put it into a tube furnace under a nitrogen atmosphere at 200 ° C for two hours to obtain glucose and chlor...

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Abstract

The invention discloses a method for preparing carbon-based nanomaterials, comprising: 1) loading glucose and metal precursors into the pores of MOFs; 2) then calcining the material obtained in step 1); optionally, removing the MOFs . The carbon-based nanorod material prepared by the method of the present invention has an ultra-small, uniform nanorod or point structure, good electrical conductivity, and is beneficial to the diffusion and transmission of electrons. In addition, the carbon-based nanorod contains metal elements to provide active sites , and its application in the field of catalysis offers broad prospects.

Description

technical field [0001] The invention belongs to the technical field of preparation of electrolyzed water hydrogen production materials, and relates to a carbon-based nano-material and its preparation method and application. Background technique [0002] With the rapid development of social economy, the demand for energy is increasing. The current fossil energy has an unprecedented crisis and the environment is seriously polluted. Therefore, it is imminent to develop a clean, efficient and sustainable new technology or new energy. In recent years, hydrogen production by electrolysis of water has attracted much attention due to its cleanliness and high energy density. As the "vitamins" of modern industry, precious metals are currently the best catalysts for electrolyzing water to produce hydrogen. However, considering that the reserves and distribution of precious metals in nature are very rare and the price is high, efficient use of precious metals or the replacement of preci...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J23/42B01J35/02B82Y30/00C25B1/04C25B11/065C25B11/081B01J35/00
CPCB01J23/42B82Y30/00C25B1/04C25B11/04B01J35/40Y02E60/36
Inventor 谷志刚肖义鈜康遥张健
Owner FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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