A kind of 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 the problems of poor water dispersibility of polypyrrole and difficulty in preparing graphene/polypyrrole particle composite film, etc. , to achieve the effect of easy uniform distribution, simple and reliable process method, and easy mass production

Active Publication Date: 2022-05-24
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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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  • A kind of graphene/polypyrrole particle composite gel film and preparation method thereof
  • A kind of graphene/polypyrrole particle composite gel film and preparation method thereof
  • A kind of graphene/polypyrrole particle composite gel film and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0038] See Figure 1 ， Figure 1 Schematic diagram of the preparation process flow of graphene / polypyrrole particle composite gel film in the present embodiment.

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

[0040] S1: Mix pyrrole with hydrochloric acid solution in gel pool 3 to form gel pool solution;

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

[0042] S3: Using fluid transfer machinery 1, the graphene oxide / high oxidation valence metal oxide mixed dispersion in step S2 is squeezed into the gel pool 3 through the nozzle connected to the fluid transport machinery 1, and the graphene oxide / high oxidation valence metal oxide mixed dispersi...

Embodiment 2

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

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

[0057] S2: The graphene oxide dispersion with a concentration of 5mg / mL and the manganese oxide particle dispersion with a concentration of 5mg / mL at 1mL are vigorously stirred or shaken for 2min, so that it is mixed evenly to form a mixed dispersion of graphene oxide / manganese oxide, and the graphene oxide / manganese oxide mixed dispersion is added to the feed container, and the particle size 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 a nozzle connected to...

Embodiment 3

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

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

[0073] S2: The graphene oxide dispersion with a concentration of 2mL of 10mg / mL and the dispersion of iron oxide particles with a concentration of 20mg / mL of 1mL are violently stirred or shaken for 2min, so that it is mixed evenly to form a graphene oxide / iron oxide mixed dispersion, and the graphene oxide / iron oxide mixed dispersion is added to the feed container, and the particle size of the iron oxide particles in this step is 200nm;

[0074]S3: Using a turbocharged pump, the graphene oxide / iron oxide mixed dispersion is squeezed into the gel pool through the nozzle connected to the turbocharging pump, wherei...

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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 hydrochloric acid solution to form a gel pool solution; S2: mixing graphene oxide with high The oxidation state metal oxide particle dispersion is mixed evenly to form a graphene oxide / high oxidation state metal oxide mixed dispersion; S3: the mixed dispersion is squeezed into the gel pool solution through the nozzle to generate graphene oxide / Polypyrrole particle composite hydrogel film; S4: the graphene oxide / polypyrrole particle composite hydrogel film is added in the reducing solution to generate graphene / polypyrrole particle composite hydrogel film; S5: the described The graphene / polypyrrole particle composite hydrogel film is dried to obtain the graphene / polypyrrole particle composite gel film. The polypyrrole particles in the graphene / polypyrrole particle composite film prepared by this method are evenly distributed.

Description

Technical field [0001] The present invention relates to the field of preparation of graphene materials, specifically to a graphene / polypyrrole particle composite gel film and preparation method thereof. Background [0002] Graphene is a two-dimensional material of a six-membered ring formed by hybridization of carbon atom SP2, which has excellent mechanical, electrical and thermal properties, so it has received widespread attention in research. [0003] Polypyrrole has a high specific capacity and high conductivity, is an ideal electrode component material, the introduction of polypyrrole into the graphene material, the graphene modified, can effectively improve the energy density of the graphene material. However, due to the poor dispersion of polypyrrole water, when polypyrrole is introduced into the graphene material by conventional preparation methods, it is difficult to prepare a polypyrrole uniformly distributed graphene / polypyrrole particle composite film. [0004] In vi...

Claims

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Application Information

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Patent Type & Authority Patents(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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