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Porous self-supporting PEDOT: PSS conductive film and preparation method thereof

A conductive film, self-supporting technology, applied in the manufacture of hybrid/electric double layer capacitors, hybrid capacitor electrodes, etc., can solve problems such as restricting applications, and achieve the effect of simple and feasible solution, high conductivity, and broad application prospects

Inactive Publication Date: 2020-10-30
JIAXING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the smooth and dense surface of PEDOT:PSS film itself restricts its application in supercapacitor electrode materials.

Method used

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  • Porous self-supporting PEDOT: PSS conductive film and preparation method thereof
  • Porous self-supporting PEDOT: PSS conductive film and preparation method thereof
  • Porous self-supporting PEDOT: PSS conductive film and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A kind of preparation method of porous self-supporting PEDOT:PSS conductive film, comprises the steps:

[0035] (1) Take 1mg of SiO with a diameter of 100-300nm 2 Nanoparticles were dispersed in 2mL deionized water, stirred and dispersed evenly to obtain SiO 2 Dispersions;

[0036] (2) Select PH1000 as the PEDOT:PSS aqueous solution, take 20 μL of SiO 2 Add the dispersion to 1mL PEDOT:PSS aqueous solution, stir for 24h to obtain PEDOT:PSS / SiO 2 Dispersions;

[0037] (3) Drop the above solution into 20mL of dilute sulfuric acid with a concentration of 1mol / L, observe flake-like precipitates, filter with a dust-free cloth to obtain PEDOT:PSS / SiO 2 flaky precipitates;

[0038] (4) The above PEDOT:PSS / SiO 2 Add 20mL of deionized water and stir evenly to obtain PEDOT:PSS / SiO 2 colloid;

[0039] (5) Vacuum filter the above colloid with a cellulose ester microporous filter membrane with a pore size of 0.45 μm, put it in an oven, dry it at 70°C for 30 minutes, and then ...

Embodiment 2

[0043] A kind of preparation method of porous self-supporting PEDOT:PSS conductive film, comprises the steps:

[0044] (1) Take 1.5mg of SiO with a diameter of 100-300nm 2 Nanoparticles were dispersed in 2mL deionized water, stirred and dispersed evenly to obtain SiO 2 Dispersions;

[0045] (2) Select PH1000 as the PEDOT:PSS aqueous solution, take 100 μL of SiO 2Add the dispersion to 1m LPEDOT:PSS aqueous solution, stir for 24h to obtain PEDOT:PSS / SiO 2 Dispersions;

[0046] (3) Drop the above solution into 20mL of dilute sulfuric acid with a concentration of 1mol / L, observe that there is a flake precipitate, filter it with a dust-free cloth, and obtain a flake PEDOT:PSS / SiO 2 ;

[0047] (4) Add the above flakes into 20mL deionized water and stir evenly to obtain PEDOT:PSS / SiO 2 colloid;

[0048] (5) Vacuum filter the above colloidal solution with a cellulose ester microporous filter membrane with a pore size of 0.45 μm, put it in an oven, dry at 70°C for 30 minutes, th...

Embodiment 3

[0052] A kind of preparation method of porous self-supporting PEDOT:PSS conductive film, comprises the steps:

[0053] (1) Take 0.1mg of SiO with a diameter of 100-300nm 2 Nanoparticles were dispersed in 2mL deionized water, stirred and dispersed evenly to obtain SiO 2 Dispersions;

[0054] (2) Select PH1000 as the PEDOT:PSS aqueous solution, take 50 μL of SiO 2 The dispersion liquid was added to 1mL PEDOT:PSS aqueous solution, stirred for 24h to obtain PEDOT:PSS / SiO 2 Dispersions;

[0055] (3) Add the above solution dropwise into 20mL of dilute sulfuric acid with a concentration of 1mol / L, observe that there is flake precipitation, filter it with a dust-free cloth, and obtain the flake PEDOT:PSS / SiO 2 ;

[0056] (4) Add the above flakes into 20mL deionized water and stir evenly to obtain PEDOT:PSS / SiO 2 colloid;

[0057] (5) Vacuum filter the above colloidal solution with a cellulose ester microporous filter membrane with a pore size of 0.45 μm, put it in an oven, dry ...

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Abstract

The invention discloses a porous self-supporting PEDOT: PSS conductive film and a preparation method thereof. The preparation method comprises the following steps: mixing nanoparticles with PEDOT: PSSto prepare a self-supporting PEDOT: PSS / nanoparticle film, and finally removing the nanoparticles to obtain the porous self-supporting PEDOT: PSS conductive film. The conductive film is prepared by the method. The method is simple and feasible, the prepared porous PEDOT: PSS thin film shows relatively high conductivity and good self-supporting performance, the size and distribution of the pore diameter of the thin film can be controlled through the particle size, shape and additive amount of the nanoparticles, and the method has a wide application prospect in the field of flexible supercapacitor electrode materials.

Description

technical field [0001] The invention relates to the technical field of flexible electrode materials, in particular to a porous self-supporting PEDOT:PSS conductive film and a preparation method thereof. Background technique [0002] With the rapid development of global science and technology, people have higher and higher requirements for the durability and bendability of electronic devices, and the demand for flexible electronic devices is becoming more and more urgent. At the same time, with the advent of wearable devices and flexible displays, the research on flexible devices has been greatly stimulated, and flexible supercapacitors are one of them. [0003] Supercapacitors are a new type of energy storage device between rechargeable batteries and conventional capacitors. Compared with rechargeable batteries, supercapacitors have higher energy storage density, shorter charge and discharge time and longer life. According to the supercapacitor energy density formula: E=1 / ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G11/26H01G11/48H01G11/86
CPCH01G11/26H01G11/48H01G11/86Y02E60/13
Inventor 李在房曾昭兵苏振黄殿武
Owner JIAXING UNIV
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