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Preparation method and application of bacterial cellulose/polyaniline/carbon nanotube conducting film material

A technology of bacterial cellulose and carbon nanotubes, applied in hybrid capacitor electrodes and other directions, can solve the problems of high cost, lack of stability and mechanical properties, complex preparation process, etc., and achieves low toxicity, good stability and mechanical properties, Simple preparation process

Inactive Publication Date: 2015-12-02
HARBIN INST OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a preparation method of bacterial cellulose/polyaniline/carbon nanotube conductive film material in order to solve

Method used

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  • Preparation method and application of bacterial cellulose/polyaniline/carbon nanotube conducting film material
  • Preparation method and application of bacterial cellulose/polyaniline/carbon nanotube conducting film material

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specific Embodiment approach 1

[0023] Specific embodiment one: the preparation method of a kind of bacterial cellulose / polyaniline / carbon nanotube conductive film material of this embodiment is carried out according to the following steps:

[0024] 1. Cut the bacterial cellulose into pieces, soak it in deionized water and ultrasonically wash it, then place it in deionized water, stir to make it evenly dispersed, and then transfer it to a homogenizer for stirring to obtain a bacterial cellulose slurry;

[0025] 2. Mix the aniline monomer with a hydrochloric acid solution with a concentration of 1mol / L to obtain the hydrochloric acid solution of the aniline monomer; add the hydrochloric acid solution of the aniline monomer to the bacterial cellulose slurry, and stir to make the aniline monomer and the bacterial cellulose disperse evenly , to obtain the mixture A;

[0026] 3. Mix the oxidizing agent with a hydrochloric acid solution with a concentration of 1mol / L to obtain a mixed solution B; add the mixed sol...

specific Embodiment approach 2

[0034] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the bacterial cellulose is bacterial cellulose leftovers. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0035] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the condition of the ultrasonic cleaning in step 1 is ultrasonic time of 10 hours, and the deionized water is replaced every hour. Others are the same as in the first or second embodiment.

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Abstract

The invention relates to a preparation method and application of a conducting film material, particularly a preparation method and application of a bacterial cellulose/polyaniline/carbon nanotube conducting film material. The method aims to solve the problems of complex preparation technique, high cost, poor stability and poor mechanical properties in the existing flexible electrode material. The method comprises the following steps: preparing a bacterial cellulose slurry; preparing a bacterial cellulose/polyaniline composite material solution, preparing a carbon nanotube water dispersion, carrying out vacuum filtration on the bacterial cellulose/polyaniline composite material solution to form a film, adding the carbon nanotube water dispersion, and continuing vacuum filtration and drying to obtain the bacterial cellulose/polyaniline/carbon nanotube conducting film material which is applicable to supercapacitors. The preparation method can implement large-scale production, and has the advantages of simple preparation technique and low cost. The conducting film material has favorable stability and mechanical properties. The prepared supercapacitor has favorable capacitive character. The bacterial cellulose/polyaniline/carbon nanotube conducting film material belongs to the technical field of nano materials.

Description

technical field [0001] The invention relates to a preparation method and application of a conductive film material. Background technique [0002] Traditional energy sources are increasingly depleted, stimulating people to look for alternative energy sources and efficient energy storage devices, and supercapacitors have high power density and high energy density, and are used in hybrid electric vehicles, electric vehicles, portable electronic devices and other important fields have always been favored by people. [0003] In today's society, the demand for energy storage of flexible and bendable devices is rapidly increasing, and people urgently need to develop the next generation of cheap, soft and bendable supercapacitors, and electrode materials are the most important components. However, the preparation process of existing flexible electrode materials is complicated, the cost is high, and they do not have good stability and mechanical properties. Therefore, it is particu...

Claims

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Application Information

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IPC IPC(8): C08L1/02C08L79/02C08K9/00C08K7/24C08G73/02C08J5/18H01G11/36H01G11/48H01G11/30
CPCY02E60/13
Inventor 袁国辉刘荣马丽娜张芳平张法宁黎恩源
Owner HARBIN INST OF TECH
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