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Graphene/polypyrrole particle composite gel film and preparation method thereof

A pyrrole particle and composite gel technology, which is applied in the field of graphene/polypyrrole particle composite gel film and its preparation, can solve problems such as difficulty in preparing graphene/polypyrrole particle composite film and poor water dispersibility of polypyrrole , to achieve the effect of easy uniform distribution, simple and reliable process method, and good water dispersibility

Active Publication Date: 2019-12-31
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the poor water dispersibility of polypyrrole, when polypyrrole is introduced into graphene materials by traditional preparation methods, it is difficult to prepare graphene / polypyrrole particle composite films with uniform distribution of polypyrrole.

Method used

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  • Graphene/polypyrrole particle composite gel film and preparation method thereof
  • Graphene/polypyrrole particle composite gel film and preparation method thereof
  • Graphene/polypyrrole particle composite gel film and preparation method thereof

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Effect test

Embodiment 1

[0038] see figure 1 , figure 1 It is a schematic diagram of the preparation process of the graphene / polypyrrole particle composite gel film in this example.

[0039] The preparation method steps of the graphene / polypyrrole particle composite gel film provided in this embodiment are as follows:

[0040] S1: mixing pyrrole and hydrochloric acid solution in the gel pool 3 to form a gel pool solution;

[0041] S2: Mix the graphene oxide and high oxidation valence metal oxide particle dispersion evenly to form a graphene oxide / high oxidation valence metal oxide mixed dispersion, and mix the graphene oxide / high oxidation valence metal oxide The dispersion is added to the feed container;

[0042] S3: Utilize the fluid conveying machine 1, the graphene oxide / high oxidation valence state metal oxide mixed dispersion liquid in step S2 is squeezed into the gel pool 3 through the spout that is connected with the fluid conveying machine 1, graphene oxide / highly oxidized The valence met...

Embodiment 2

[0055] The preparation method steps of the graphene / polypyrrole particle composite gel film provided in this embodiment are as follows:

[0056] S1: Mix pyrrole and hydrochloric acid solution in the gel pool 3 to form a gel pool solution, wherein the volume of the gel pool solution is 200mL, the content of pyrrole in the gel pool solution is 0.1vol%, and the concentration of hydrochloric acid is 1mol / L;

[0057] S2: 2 mL of graphene oxide with a concentration of 5 mg / mL and 1 mL of manganese oxide particle dispersion with a concentration of 5 mg / mL were vigorously stirred or shaken for 2 min to mix them evenly to form a mixed dispersion of graphene oxide / manganese oxide. The graphene oxide / manganese oxide mixed dispersion is added to the feed container, and the particle diameter of the manganese oxide particles in this step is 20nm;

[0058] S3: Using a syringe pump, the graphene oxide / manganese oxide mixed dispersion is squeezed into the gel pool through the nozzle connected ...

Embodiment 3

[0071] The preparation method steps of the graphene / polypyrrole particle composite gel film provided in this embodiment are as follows:

[0072] S1: Mix pyrrole and hydrochloric acid solution in the gel pool 3 to form a gel pool solution, wherein the volume of the gel pool solution is 200mL, the pyrrole content in the gel pool solution is 1vol%, and the hydrochloric acid concentration is 1mol / L;

[0073] S2: 2 mL of graphene oxide with a concentration of 10 mg / mL and 1 mL of iron oxide particle dispersion with a concentration of 20 mg / mL were vigorously stirred or shaken for 2 min to mix them evenly to form a mixed dispersion of graphene oxide / iron oxide. The graphene oxide / iron oxide mixed dispersion is added to the feed container, and the particle diameter of the iron oxide particles in this step is 200nm;

[0074] S3: Utilize a turbocharger pump, the graphene oxide / iron oxide mixed dispersion liquid is squeezed into the gel pool through the nozzle connected to the turbochar...

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Abstract

The invention discloses a graphene / polypyrrole particle composite gel film and a preparation method thereof. The preparation method comprises the following steps: S1, mixing pyrrole with a hydrochloric acid solution to form a gel pool solution; S2, uniformly mixing graphene oxide with a high-oxidation-valence metal oxide particle dispersion to form a graphene oxide / high-oxidation-valence metal oxide mixed dispersion; S3, extruding the mixed dispersion into the gel pool solution through a nozzle to generate a graphene oxide / polypyrrole particle composite hydrogel film; S4, adding the graphene oxide / polypyrrole particle composite hydrogel film into a reducing solution to generate a graphene / polypyrrole particle composite hydrogel film; and S5, drying the graphene / polypyrrole particle composite hydrogel film to obtain the graphene / polypyrrole particle composite hydrogel film. The polypyrrole particles are uniformly distributed in the graphene / polypyrrole particle composite film prepared by the method.

Description

technical field [0001] The invention relates to the field of graphene material preparation, in particular to a graphene / polypyrrole particle composite gel film and a preparation method thereof. Background technique [0002] Graphene is a six-membered ring two-dimensional material formed by SP2 hybridization of carbon atoms. It has excellent mechanical properties, electrical properties and thermal properties, so it has received extensive attention in research. [0003] Polypyrrole has a high specific capacity and high conductivity, and is an ideal electrode component material. Introducing polypyrrole into graphene materials and modifying graphene can effectively increase the energy density of graphene materials. . However, due to the poor water dispersibility of polypyrrole, when polypyrrole is introduced into graphene materials by traditional preparation methods, it is difficult to prepare graphene / polypyrrole particle composite films with uniform distribution of polypyrrol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J5/18C08G73/06C08K3/04C08L79/04
CPCC08J5/18C08G73/0611C08K3/042C08J2379/04Y02E60/13
Inventor 王亚明陈俊臣蒋春燕欧阳家虎贾德昌周玉
Owner HARBIN INST OF TECH
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