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Polytriphenylamine-carbon nanofiber composite material, and preparation method and application thereof

A technology of carbon nanofiber and polytriphenylamine, which is applied in the direction of carbon fiber, fiber treatment, fiber chemical characteristics, etc., can solve the problems affecting the full utilization of active substances, etc., and achieve the effect of easy operation, excellent performance and simple synthesis

Inactive Publication Date: 2018-08-24
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the research on polytriphenylamine-based materials mainly focuses on powder materials, but powder materials are easy to agglomerate, and adhesives need to be added during the electrode preparation process, which seriously affects the full utilization of its active materials.

Method used

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  • Polytriphenylamine-carbon nanofiber composite material, and preparation method and application thereof
  • Polytriphenylamine-carbon nanofiber composite material, and preparation method and application thereof
  • Polytriphenylamine-carbon nanofiber composite material, and preparation method and application thereof

Examples

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Effect test

Embodiment 1

[0033] A kind of preparation method of polytriphenylamine-carbon nanofiber composite material, concrete steps are:

[0034] Step 1: Prepare flexible carbon nanofibers by electrospinning, imidization and high-temperature carbonization:

[0035] (1) Electrospinning: Add 0.1mol p-phenylenediamine and 0.1mol pyromellitic dianhydride to 30mL N, M dimethylformamide solvent at a molar ratio of 1:1, and dissolve them at 0°C under a nitrogen atmosphere. The polycondensation reaction was carried out for 12 hours to obtain a polyamic acid solution. The obtained polyamic acid solution is subjected to electrospinning, and the adjustment process parameters are: electrostatic field voltage 20kV, spinning speed 0.1mmmin -4 , the receiving distance is 20em, and the polyamic acid nanofiber membrane is prepared.

[0036] (2) Imidization: The polyamic acid nanofiber membrane was imidized under nitrogen environment, the imidization temperature was 300°C, and the heating rate was 2°C min -1 , th...

Embodiment 2

[0041] This example is similar to Example 1, except that the amount of triphenylamine is changed to 8 mmol, and the finally obtained composite material is recorded as polytriphenylamine / carbon nanofiber-2.

Embodiment 3

[0043] This example is similar to Example 1, except that the molar ratio of ferric chloride to triphenylamine is 2:1, and the finally obtained composite material is denoted as polytriphenylamine / carbon nanofiber-3.

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Abstract

The invention provides a polytriphenylamine-carbon nanofiber composite material, and a preparation method and an application thereof. The preparation method of the polytriphenylamine-carbon nanofibercomposite material comprises the following steps: performing electrospinning, imidization and high-temperature carbonization to prepare flexible carbon nanofibers, and growing polytriphenylamine on the surface of the carbon nanofibers by an in-situ polymerization technology. The carbon nanofibers prepared in the invention have the advantages of stable chemical properties, good electrical conductivity and good mechanical properties. The polytriphenylamine / carbon nanofiber composite material prepared in the invention has the characteristics of self-supporting property, controllable morphology, uniformity of the polytriphenylamine growing on the surface of the carbon nanofibers, and fullness in utilization of the unique base structure and the high specific surface area of the carbon nanofibers. The self-supporting polytriphenylamine / carbon nanofiber composite material prepared in the invention is an ideal electrode material in novel energy fields of high-performance flexible devices, secondary batteries, supercapacitors and solar batteries.

Description

technical field [0001] The invention belongs to the technical field of electrochemically active organic polymer-carbon materials, and specifically relates to a polytriphenylamine / carbon nanofiber composite material and its preparation and application. The polytriphenylamine / carbon nanofiber composite material prepared by the invention is an ideal electrode material for new energy devices such as secondary batteries, supercapacitors and solar batteries. technical background [0002] With the development of science and technology and social progress, portable and wearable flexible electronic devices have gradually entered people's lives, and research on such devices has become a hot spot in the field of scientific research. The energy storage system is one of the key components of flexible electronic components, so the development of lightweight flexible energy storage devices is an important research topic in the field of new energy. [0003] Flexible carbon nanofibers have ...

Claims

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Application Information

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IPC IPC(8): D06M15/37C08G73/10D01F6/74D01F9/24C08G61/12H01G11/30H01M4/36H01L31/0224D04H1/728D04H1/4334D06M101/40
CPCC08G61/12C08G73/1007C08G73/1067C08G2261/11C08G2261/344C08G2261/91D01F6/74D01F9/24D04H1/4334D04H1/728D06M15/37D06M2101/40H01G11/30H01L31/022425H01M4/36Y02E10/50Y02E60/10Y02E60/13
Inventor 刘天西莫璐璐缪月娥周刚勇
Owner DONGHUA UNIV
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