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Solid organic electrolyte and its preparing process

An organic electrolyte, solid technology, used in circuits, fuel cells, electrical components, etc., can solve the problems of volatilization and drying of liquid electrolytes, poor dielectric properties, and distortion of output signals, to overcome high production costs, excellent performance, and softness. poor sex effect

Inactive Publication Date: 2005-01-19
XIAMEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, traditional solid electrolytic capacitors have excellent performance, but are expensive due to the use of precious metals such as tantalum or niobium; liquid electrolytic capacitors are cheap, but have poor dielectric properties. For example, liquid electrolytes are prone to volatilization and drying and fail, and electrolytes may also burst and sputter. Accidents, low-frequency equivalent series impedance is large, high-frequency dielectric properties are not good, and even AC signals are difficult to pass through at high frequencies, resulting in large output signal distortion
However, the manufacturing process of general conductive polymer electrolytic capacitors is complicated, which often differs greatly from the traditional liquid electrolytic capacitor process, resulting in high production costs and difficulty in reducing product prices.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Embodiment 1: earlier pyrrole, benzene and toluene are prepared pyrrole benzene solution by volume ratio 25 / 12 / 8 respectively, ammonium persulfate, ammonium hydroxide are prepared ammonium persulfate aqueous solution by volume ratio 24 / 12; The solutions were mixed together, and after a reaction time of 5 minutes, the product was washed with deionized water and ethanol. The obtained polypyrrole solid organic electrolyte film has a particle diameter of 5-10 nm and a resistivity of 3-5 milliohm / square unit.

Embodiment 2

[0014] Embodiment 2: earlier pyrrole, benzene and toluene are prepared pyrrole benzene solution by volume ratio 25 / 35 / 8 respectively, ammonium persulfate, ammonium hydroxide are prepared ammonium persulfate aqueous solution by volume ratio 24 / 36; The solutions were mixed together, and after a reaction time of 30 minutes, the product was washed with deionized water and methanol. The particle size of the obtained polypyrrole solid organic electrolyte film layer is 15-30nm, and the resistivity is 4-8 milliohm / square unit.

Embodiment 3

[0015] Embodiment 3: earlier respectively pyrrole, benzene and toluene are prepared pyrrole benzene solution by volume ratio 56 / 12 / 23, ammonium persulfate, ammonium hydroxide are prepared ammonium persulfate aqueous solution by volume ratio 52 / 12; The solutions were mixed together, and after a reaction time of 60 minutes, the product was washed with deionized water and a mixed solution of methanol and ethanol. The particle size of the obtained polypyrrole solid organic electrolyte film layer is 40-65 nm, and the resistivity is 2-6 milliohm / square unit.

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PUM

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Abstract

The invention relates to a solid organic electrolyte for flexible solid conduction and its preparing process, which comprises (by volume percentage) pyrrole : benzene : toluene =(21-65) : (14-32) : (6-27), ammonium peroxodisulfate : ammonium hydroxide = (21-56) : (9-25), thus preparing benzene solution of pyrrole and ammonia solution of ammonium peroxodisulfate, the two solutions are mixed for reaction 5-90 minutes, then the polypyrrole product is rinsed with deionized water and alcoholic solution, thus obtaining polypyrroles solid organic bath.

Description

(1) Technical field [0001] The invention relates to a solid organic electrolyte applicable to flexible solid conduction and its preparation technology. (2) Background technology [0002] Highly reliable solid organic electrolytes for flexible solid conduction have versatile applications. For example: electrolytic capacitors with large specific capacitance are often used in circuits such as power filtering and signal amplification output. Electrolytic capacitors with large specific capacitance can generally be divided into two categories: liquid electrolytic capacitors and solid electrolytic capacitors. Among them, traditional solid electrolytic capacitors have excellent performance, but are expensive due to the use of precious metals such as tantalum or niobium; liquid electrolytic capacitors are cheap, but have poor dielectric properties. For example, liquid electrolytes are prone to volatilization and drying and fail, and electrolytes may also burst and sputter. Accident...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F134/00H01M8/1018
CPCY02E60/521Y02E60/50
Inventor 熊兆贤李珺
Owner XIAMEN UNIV