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A conductive organic polymer-wrapped phenolic resin-based porous carbon composite

A technology of conductive polymers and phenolic resins, applied in the direction of hybrid capacitor electrodes, etc., can solve the problems of slow polymer monomer polymerization and polymer agglomeration, achieve good specific energy density, simple preparation process, and reduce the effect of transmission routes

Active Publication Date: 2021-08-17
ENERGY RESOURCES INST HEBEI ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] When the above-mentioned wrapping method is adopted, not only the polymerization speed of the polymer monomer is slow, but also the polymer agglomeration may occur due to excessive polymerization of the polymer monomer

Method used

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  • A conductive organic polymer-wrapped phenolic resin-based porous carbon composite
  • A conductive organic polymer-wrapped phenolic resin-based porous carbon composite
  • A conductive organic polymer-wrapped phenolic resin-based porous carbon composite

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] (1) Preparation of cured phenolic resin: Dissolve 5g of thermoplastic phenolic resin in 300mL of absolute ethanol to dissolve completely, and prepare an absolute ethanol solution with a concentration of phenolic resin of 16.67g / L. 8wt% urotropine to obtain a mixture, the mixture was mechanically stirred at room temperature for 30min, and then the mixture was placed in an oven at 70°C for 2h to complete the pre-curing, then the oven was heated to 150°C, and after curing for 16h , to obtain cured phenolic resin.

[0043] (2) Preparation of phenolic resin-based porous carbon: place the cured phenolic resin obtained in step (1) in a tube furnace in a nitrogen atmosphere, control the heating rate at 8°C / min, and gradually increase the temperature of the tube furnace from room temperature To 900°C, heat-preserve and carbonize for 3 hours to obtain phenolic resin-based porous carbon.

[0044] (3) Preparation of polyaniline-wrapped phenolic resin-based porous carbon composite ...

Embodiment 2

[0046] (1) Preparation of cured phenolic resin: Dissolve 4.8g of thermoplastic phenolic resin in 300mL of absolute ethanol to dissolve completely, and prepare an absolute ethanol solution with a concentration of 16g / L of phenolic resin, and add 7wt% urethane The mixture was obtained after rotropine, and the mixture was mechanically stirred at room temperature for 20 minutes, and then the mixture was placed in an oven at 60°C for 1 hour to complete pre-curing. resin.

[0047] (2) Preparation of phenolic resin-based porous carbon: place the cured phenolic resin obtained in step (1) in a tube furnace in a nitrogen atmosphere, control the heating rate at 5°C / min, and gradually increase the temperature of the tube furnace from room temperature To 850°C, heat-preserve and carbonize for 1 hour to obtain phenolic resin-based porous carbon.

[0048] (3) Preparation of polypyrrole-wrapped phenolic resin-based porous carbon composite material: First, add 1 g of the phenolic resin-based ...

Embodiment 3

[0050] (1) Preparation of cured phenolic resin: Dissolve 5.1g of thermoplastic phenolic resin in 300mL of absolute ethanol to make it completely dissolved, prepare an absolute ethanol solution with a concentration of 17g / L of phenolic resin, add 10wt% urethane The mixture was obtained after rotropine, and the mixture was mechanically stirred at room temperature for 40 minutes, and then the mixture was placed in an oven at 80°C for 3 hours to complete pre-curing. resin.

[0051] (2) Preparation of phenolic resin-based porous carbon: place the cured phenolic resin obtained in step (1) in a tube furnace in a nitrogen atmosphere, control the heating rate at 10°C / min, and gradually increase the temperature of the tube furnace from room temperature To 950°C, heat-preserve and carbonize for 5 hours to obtain phenolic resin-based porous carbon.

[0052] (3) Preparation of polydopamine-coated phenolic resin-based porous carbon composite material: First, add 3 g of the phenolic resin-b...

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Abstract

The invention relates to a conductive organic polymer-wrapped phenolic resin-based porous carbon composite material, comprising the following steps: (1) adding water-soluble phenolic resin and a curing agent to an absolute ethanol solution to obtain a mixture, stirring and curing, Obtaining a cured phenolic resin; (2) carbonizing and calcining the phenolic resin microspheres obtained in step (1) at a temperature of 850-950°C in an inert gas atmosphere to obtain a phenolic resin-based porous carbon; (3) converting the step ( 2) The obtained phenolic resin-based porous carbon was added to 30~60mL acetone solution, and then a surfactant was added for ultrasonic dispersion to obtain a mixed solution, and the conductive polymer monomer was ultrasonically dispersed in the acetone solution to obtain a conductive polymer monomer acetone solution , the conductive polymer monomer acetone solution was added dropwise to the mixed solution, and microwave hydrothermal reaction was carried out to obtain a conductive organic polymer-wrapped phenolic resin-based porous carbon composite material with high specific capacity, specific energy density and good cycle stability.

Description

technical field [0001] The invention relates to the technical field of new energy materials, in particular to a conductive organic polymer-wrapped phenolic resin-based porous carbon composite material. Background technique [0002] With the increasing severity of the global energy crisis, the preparation of new energy storage devices is an urgent issue, and supercapacitors are a typical energy storage device, and their excellent electrochemical performance will become an important part of future social energy storage devices. Composition one. [0003] Phenolic resin-based porous carbon composites have been widely used as electrode materials for supercapacitors due to their high specific surface area, excellent electrical conductivity, and chemical stability. However, during the charging and discharging process, the phenolic resin-based porous carbon The micropores limit the insertion and extraction of electrolyte ions, and it is impossible to obtain a satisfactory capacitan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01G11/30H01G11/32H01G11/48H01G11/24H01G11/34H01G11/44
CPCH01G11/24H01G11/30H01G11/32H01G11/34H01G11/44H01G11/48Y02E60/13
Inventor 许跃龙刘振法张利辉刘展任斌翟作昭王莎莎
Owner ENERGY RESOURCES INST HEBEI ACADEMY OF SCI
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