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Method for preparing three-dimensional order porous carbon/Prussian blue nanocomposite

A nanocomposite material and three-dimensional ordered technology, which is applied in the field of three-dimensional ordered porous carbon/Prussian blue nanocomposite materials prepared from biomass kenaf stalks, can solve the problems of high price, limited application of composite materials, and complicated preparation methods of composite materials

Active Publication Date: 2013-07-10
JIANGXI NORMAL UNIVERSITY
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  • Application Information

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Problems solved by technology

At present, domestic and foreign counterparts have used the excellent catalytic properties of carbon and Prussian blue to prepare various carbon / Prussian blue nanocomposites, but the preparation methods of composite materials are relatively complicated and expensive, which limits the application of this composite material.

Method used

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  • Method for preparing three-dimensional order porous carbon/Prussian blue nanocomposite
  • Method for preparing three-dimensional order porous carbon/Prussian blue nanocomposite
  • Method for preparing three-dimensional order porous carbon/Prussian blue nanocomposite

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Embodiment 2

[0020] Realize the technical scheme of the present invention, mainly comprise three steps of carbonization, functionalization and chemical synthesis:

[0021] 1) Obtain three-dimensional ordered porous carbon by carbonization: put a dry kenaf stalk with a suitable size and a porous structure in a tube furnace at 900 °C N 2 Calcined in atmosphere for 2 h to obtain three-dimensional ordered porous carbon;

[0022] 2) Obtain three-dimensional ordered porous carbon / Prussian blue nanocomposites by chemical synthesis: (1) Cut the above three-dimensional ordered porous carbon into a suitable size and perform acid treatment to obtain functionalized three-dimensional ordered porous carbon;

[0023] (2) Put 5 mL30 mM FeCl 3 Mix with 0.5 g functionalized three-dimensional ordered porous carbon in the above block, sonicate for 1 h, let FeCl 3 Adsorbed on the surface of functionalized three-dimensional ordered porous carbon material, after that, 5 mL of 30 mM K was added to this mixt...

Embodiment 3

[0025] Realize the technical scheme of the present invention, mainly comprise three steps of carbonization, functionalization and chemical synthesis:

[0026] 1) Obtain three-dimensional ordered porous carbon by carbonization: put a dry kenaf stalk with a suitable size and a porous structure in a tube furnace at 900 °C N 2 Calcined in atmosphere for 2 h to obtain three-dimensional ordered porous carbon;

[0027] 2) Obtain three-dimensional ordered porous carbon / Prussian blue nanocomposites by chemical synthesis: (1) Cut the above three-dimensional ordered porous carbon into a suitable size and perform acid treatment to obtain functionalized three-dimensional ordered porous carbon;

[0028] (2) Put 30 mL30 mM FeCl 3 Mix with 1.5 g functionalized three-dimensional ordered porous carbon in the above block, sonicate for 1 h, let FeCl 3 Adsorbed on the surface of a functionalized three-dimensional ordered porous carbon material, after that, 30 mL of 30 mM K was added to this ...

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Abstract

The invention discloses a method for preparing a three-dimensional order porous carbon / Prussian blue nanocomposite. Different from conventional reports, the three-dimensional order porous carbon / Prussian blue nanocomposite prepared by the method is based on a natural biomass original structure. The method for preparing the nanocomposite comprises steps of: preparing porous carbon through carbonized natural plants-ambary stems; and chemically synthesizing to obtain the three-dimensional order porous carbon / Prussian blue nanocomposite. The three-dimensional order porous carbon / Prussian blue nanocomposite has the following obvious advantages of simple preparation process, low prices, good catalytic performance and wide application to electrocatalysis.

Description

technical field [0001] The invention relates to a three-dimensional ordered porous carbon / Prussian blue nanocomposite material prepared from natural plant kenaf stalks, and relates to the field of material chemistry, especially how to prepare three-dimensional ordered from biomass kenaf stalks with natural three-dimensional ordered porous structure Porous carbon / Prussian blue nanocomposites. Background technique [0002] Porous carbon materials refer to carbon materials with different pore structures. It has the advantages of high chemical stability, good electrical conductivity, low price, high specific surface area of ​​porous structure, large pore volume, rich pore structure and other advantages of carbon materials. Storage and other fields have been widely used. As one of the polynuclear metal-organic framework materials, Prussian blue has the advantages of good biocompatibility, superior catalytic performance, easy preparation, and low cost. Applications. At pre...

Claims

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Application Information

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IPC IPC(8): C01B31/02C01C3/14B82Y30/00C01B32/05
Inventor 宋永海汪莉张琴英许富刚谭宏亮陈受惠
Owner JIANGXI NORMAL UNIVERSITY
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