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A kind of preparation method of polypyrrole micro/nanotube

A technology of polypyrrole and nanotubes, which is applied in the field of preparation of conductive polymer micro/nano materials, can solve the problems of small polypyrrole capacitance, high reaction temperature, unfavorable energy saving, etc., and achieves mild reaction conditions, good thermal stability, and conductive The effect of performance improvement

Inactive Publication Date: 2015-11-18
QILU UNIV OF TECH
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  • Claims
  • Application Information

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Problems solved by technology

But this polypyrrole specific capacitance with nanostructure is little; And reaction temperature is on the high side, is unfavorable for energy saving
[0004] At present, the preparation of conductive polypyrrole with methyl orange and sodium dodecylbenzenesulfonate as a soft template has not yet been reported.

Method used

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  • A kind of preparation method of polypyrrole micro/nanotube
  • A kind of preparation method of polypyrrole micro/nanotube
  • A kind of preparation method of polypyrrole micro/nanotube

Examples

Experimental program
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Effect test

Embodiment 1

[0032] The scanning electron microscope photo of the sample prepared in Example 1 is obtained through the detection of the Japanese Hitachi S-4800 field emission scanning electron microscope; the transmission electron microscope photo is obtained through the detection of the Japanese JEM-1011 transmission electron microscope, and the charge and discharge test is detected through the PARSTAT2263 electrochemical workstation Obtained, the thermogravimetric curve is obtained through the inspection of SDTQ600 of TA Company in the United States.

[0033] Example 1

[0034] A preparation method for polypyrrole micro / nanotubes, the steps are as follows:

[0035] (1) Under the stirring condition of 300r / min, dissolve 7.2mmol of ammonium persulfate in 50mL of deionized water, stir evenly and place in a constant pressure dropping funnel for later use to prepare an oxidizing agent solution;

[0036](2) Add 0.3mmol methyl orange and 0.3mmol sodium dodecylbenzenesulfonate to 150mL deionize...

Embodiment 2

[0041] A method for preparing polypyrrole micro / nanotubes, the steps are the same as in Example 1, except that the reaction temperature in step (3) is 10°C.

[0042] The polypyrrole micro / nanotubes prepared in this example were charged and discharged under the condition of a current density of 0.2 A / g, and the specific capacitance was 268 F / g.

Embodiment 3

[0044] A preparation method for polypyrrole micro / nanotubes, the steps are as follows:

[0045] (1) Dissolve 7.2mmol of ammonium persulfate in 50mL of deionized water under the stirring condition of 500r / min, stir evenly and place in a constant pressure dropping funnel for later use to prepare an oxidant solution;

[0046] (2) Add 0.1mmol methyl orange and 0.1mmol sodium dodecylbenzenesulfonate to 150mL deionized water, place in a three-necked flask, and stir evenly to prepare a double micellar template solution;

[0047] (3) Add 0.5 mL (7.2 mmol) of pyrrole monomer to the double micellar template solution to obtain a raw material solution; slowly add the raw material solution dropwise to the oxidizing agent solution, and react at 0°C for 30 hours to obtain a black reaction solution; The liquid was filtered, the liquid was recovered and used for later use; the solid was washed with water and absolute ethanol, and dried in an air atmosphere at 80° C. for 12 hours to obtain poly...

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Abstract

The invention relates to a preparation method of a polypyrrole micro / nano tube. The preparation method comprises the steps as follows: 1), an oxidant is dissolved in deionized water, and an oxidant solution with the concentration of 130-150 mmol / L is prepared; 2), methyl orange and sodium dodecyl benzene sulfonate are dissolved in deionized water according to a molar ratio of 1:(0.8-1.2), and a double micelle template solution is prepared; and 3), a pyrrole monomer is added to the double micelle template solution, and a raw material liquid is obtained; the raw material liquid is dropwise added to the oxidant solution and reacts for 10-30 h at a temperature of 0-20 DEG C; and filtration is performed, a solid is collected, cleaned and dried, and the polypyrrole micro / nano tube is obtained. The preparation method is simple, and the specific capacitance performance and the thermal stability are excellent.

Description

technical field [0001] The invention relates to a preparation method of polypyrrole micro / nano tubes, belonging to the technical field of conductive polymer micro / nano materials preparation. Background technique [0002] Conductive polymers have many excellent properties such as electricity, electrochemistry, mechanics, optics, and magnetism, and have potential application prospects in the fields of production, life, military, and aerospace. The shape and size of conductive polymer materials have an important impact on the electrical properties, gas sensing performance, and catalytic performance of polymers. Therefore, the controllable synthesis of conductive polymers has become a research hotspot and a hot topic in the field of conductive polymer synthesis. 难点(YongqiangYang,RuiqingPang,XuejiaoZhou,YanZhang,HaixiaWuandShouwuGuo,Compositesofchemically-reducedgrapheneoxidesheetsandcarbonnanosphereswiththree-dimensionalnetworkstructureasanodematerialsforlithiumionbatteries,J.Mat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G73/06
Inventor 李梅杨兰兰姜海辉
Owner QILU UNIV OF TECH
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