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Preparation of polymer composite electrode materials by solvothermal interlocking polymerization

A technology of chain polymerization and composite electrodes, which is applied in the directions of hybrid capacitor electrodes, battery electrodes, circuits, etc., can solve the problems of low yield, unsuitable for large-scale production applications, complicated processes, etc., and achieves good rate performance, morphology and structure. Controllable and improved specific surface area

Inactive Publication Date: 2019-01-08
SOUTH CENTRAL UNIVERSITY FOR NATIONALITIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method has complex procedures and low yield, and is not suitable for large-scale production and application.

Method used

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  • Preparation of polymer composite electrode materials by solvothermal interlocking polymerization
  • Preparation of polymer composite electrode materials by solvothermal interlocking polymerization
  • Preparation of polymer composite electrode materials by solvothermal interlocking polymerization

Examples

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Embodiment 1

[0029] In this embodiment one, the graphene / PEDOT composite electrode material is prepared by solvothermal chain polymerization.

[0030] Preparation:

[0031] 1) Weigh 25 mg of graphene oxide, add 25 mL of distilled water, and sonicate for 30 min at an ultrasonic power of 200 W to prepare a graphene oxide dispersion.

[0032] 2) Weigh 0.355g of EDOT, dissolve it in 12.5mL of ethanol and distilled water in a volume ratio of 1:1, stir evenly, then add it into the above graphene oxide dispersion, and mix and stir for 10min.

[0033] 3) Weigh 1.014g of ferric chloride and dissolve it in 12.5mL of distilled water, then add it into the mixed solution of EDOT and graphene oxide, mix and stir together for 10min, and ultrasonicate for 10min.

[0034] 4) Transfer the finally obtained solution to a polytetrafluoroethylene lining, and then put the lining into a reaction kettle for solvothermal reaction. The reaction temperature was 180° C., and the reaction time was 12 hours.

[0035]...

Embodiment 2

[0041] In the second embodiment, the carbon nanotube / PANI composite electrode material is prepared by the solvothermal chain polymerization method, which specifically includes the following steps:

[0042] 1) Weigh 50 mg of carbon nanotubes, add 25 mL of ethanol and distilled water at a volume ratio of 1:1, and ultrasonicate for 30 min at an ultrasonic power of 400 W.

[0043] 2) Measure 1 mL of aniline monomer, add it to the pre-ultrasonic-treated carbon nanotube dispersion, mix and stir for 15 min.

[0044] 3) Weigh 1.38g of anhydrous ferric trichloride and dissolve it in 15mL of distilled water, then add it into the mixed solution of aniline monomer and carbon nanotubes, mix and stir for 10min, and ultrasonicate for 10min.

[0045] 4) Transfer the finally obtained mixed solution to a polytetrafluoroethylene lining, and then put the lining into a reaction kettle for solvothermal reaction. The reaction temperature is 120° C., and the reaction time is 10 h.

[0046] 5) After ...

Embodiment 3

[0048] In the third embodiment, the carbon fiber / PTh composite electrode material is prepared by solvothermal chain polymerization, which specifically includes the following steps:

[0049] 1) Weigh 25 mg of carbon fiber, add 25 mL of ethanol and distilled water at a volume ratio of 1:1, and ultrasonicate for 30 min at 200 W ultrasonic power.

[0050] 2) Weigh 0.355g of thiophene, dissolve in 12.5mL of ethanol and distilled water in a volume ratio of 1:1, stir evenly, then add the pre-ultrasonic-treated carbon fiber dispersion and mix for 10min.

[0051] 3) Weigh 1.014g of anhydrous ferric chloride and dissolve it in 12.5mL of distilled water, then add it into the mixed solution of thiophene and carbon fiber, mix and stir for 10min, and ultrasonicate for 10min.

[0052] 4) The finally obtained solution was transferred to a polytetrafluoroethylene lining, and then the lining was put into a reaction kettle for solvothermal reaction. The reaction temperature was 150° C., and the ...

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Abstract

A solvothermal linkage polymerization method for preparing polymer composite electrode material features that a simple one-step solvothermal linkage polymerization method is used to prepare polymer composite electrode material with good electrochemical performance. The method specifically comprises the following steps: solvothermal reaction is carried out on a mixed liquid containing a polymer monomer, a material A and an initiator at a certain reaction temperature; The reactant is then washed and dried, A material A is a carbon-based material, a metal compound, or a mixture of that carbon-based material and the metal compound, and the correspond polymer composite electrode material is a carbon / polymer composite electrode material, a metal oxide / polymer composite electrode material, and acarbon / metal oxide / polymer ternary composite electrode material.

Description

technical field [0001] The invention belongs to the field of electrode materials, and in particular relates to a polymer composite electrode material prepared by a solvothermal chain polymerization method. technical background [0002] With the increase of the world's population, people's dependence on electrical appliances that consume energy is increasing, and at the same time serious environmental problems, which will pose a serious threat to human health, energy security and the environment, so it is urgent to develop high-efficiency electrochemical Energy storage devices, the current energy storage devices include solar cells, fuel cells, lithium-ion batteries and supercapacitors. The performance of these energy storage devices largely depends on the properties of the internal electrode materials. [0003] Electrode materials are mainly divided into carbon-based materials, metal oxides and polymer materials. Among them, carbon-based materials include carbon nanotubes,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M4/36H01M4/485H01M4/505H01M4/525H01M4/587H01M4/60H01M4/62H01G11/30H01G11/36H01G11/46H01G11/48
CPCH01G11/30H01G11/36H01G11/46H01G11/48H01M4/366H01M4/485H01M4/505H01M4/525H01M4/587H01M4/608H01M4/625Y02E60/10
Inventor 杨应奎雷盛何承恩章庆
Owner SOUTH CENTRAL UNIVERSITY FOR NATIONALITIES
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