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Conductive polymer electrolyte aluminum capacitor manufacturing method

A technology of conductive polymer and manufacturing method, applied in solid electrolytic capacitors and other directions, can solve the problems of large leakage current, poor leakage, and high product ratio, and achieve the effects of small leakage current, high qualification rate, and repairing damage

Active Publication Date: 2017-08-25
赣州市柏瑞凯电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to propose a method for manufacturing conductive polymer electrolyte aluminum capacitors to solve the problem of large leakage current in existing products
[0009] Another object of the present invention is to propose a method for manufacturing conductive polymer electrolyte aluminum capacitors, which solves the problem of excessive leakage of defective products in the existing manufacturing process, and improves the total pass rate of products

Method used

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  • Conductive polymer electrolyte aluminum capacitor manufacturing method
  • Conductive polymer electrolyte aluminum capacitor manufacturing method
  • Conductive polymer electrolyte aluminum capacitor manufacturing method

Examples

Experimental program
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Effect test

Embodiment 1

[0037] Cut the aluminum foil and electrolytic paper, overlap them, wind and fix them, soak the wound capacitor element in the chemical solution, apply voltage to the anodized aluminum foil for chemical repair; place the repaired element at high temperature, Partial components of the isolation layer are carbonized and decomposed; the components are respectively impregnated with 3,4-dioxyethylenethiophene and ferric p-toluenesulfonate solution; the components impregnated with the raw material solution are fixed on a rack connected to an adjustable power supply, and placed in a temperature-controlled In the device, control the temperature according to the temperature-time settings of 50°C (120 minutes), 80°C (60 minutes), 105°C (60 minutes), 170°C (30 minutes), and 125°C (30 minutes); At 80°C, the applied voltage is 5.6V (40 minutes), 6.3V (40 minutes), 0V (20 minutes), 8V (30 minutes), 0V (20 minutes), 6.3V (60 minutes); when polymerizing at 105°C Start to apply negative pressur...

Embodiment 2

[0039] Cut the aluminum foil and electrolytic paper, overlap them, wind and fix them, soak the wound capacitor element in the chemical solution, apply voltage to the anodized aluminum foil for chemical repair; place the repaired element at high temperature, Partial components of the isolation layer are carbonized and decomposed; the components are respectively impregnated with 3,4-dioxyethylenethiophene and ferric p-toluenesulfonate solution; the components impregnated with the raw material solution are fixed on a rack connected to an adjustable power supply, and placed in a temperature-controlled In the device, control the temperature according to the temperature-time settings of 50°C (120 minutes), 80°C (60 minutes), 105°C (60 minutes), 170°C (30 minutes), and 125°C (30 minutes); At 80°C, the applied voltage is 5.6V (40 minutes), 6.3V (40 minutes), 0V (20 minutes), 8V (30 minutes), 0V (20 minutes), 6.3V (60 minutes); when polymerizing at 105°C Start to apply negative pressur...

Embodiment 3

[0041] Cut the aluminum foil and electrolytic paper, overlap them, wind and fix them, soak the wound capacitor element in the chemical solution, apply voltage to the anodized aluminum foil for chemical repair; place the repaired element at high temperature, Partial components of the isolation layer are carbonized and decomposed; the components are respectively impregnated with 3,4-dioxyethylenethiophene and ferric p-toluenesulfonate solution; the components impregnated with the raw material solution are fixed on a rack connected to an adjustable power supply, and placed in a temperature-controlled In the device, control the temperature according to the temperature-time settings of 50°C (120 minutes), 80°C (60 minutes), 105°C (60 minutes), 170°C (30 minutes), and 125°C (30 minutes); At 80°C, the applied voltage was 5.6V (40 minutes), 6.3V (40 minutes), 0V (20 minutes), 8V (30 minutes), 0V (20 minutes), 6.3V (60 minutes); polymerized at 105°C After 30 minutes, start to apply neg...

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Abstract

A method for manufacturing a conductive polymer electrolyte aluminum capacitor, the steps of which include: cutting aluminum foil and electrolytic paper, stacking them together for winding and fixing, and then successively performing chemical conversion repair, carbonization, impregnating monomer and oxidant solution, heating polymerization, Package and clean, and then sort after aging. It is characterized in that: during the polymerization process, the element is placed in a negative pressure atmosphere, the polymerization temperature changes in a gradient manner, and at the same time, a gradient-changed DC voltage is applied to both ends of the element. The conductive polymer electrolytic aluminum capacitor manufactured according to the method has small leakage current and high qualification rate.

Description

technical field [0001] The present invention relates to a method for manufacturing a conductive polymer electrolyte aluminum capacitor. The manufacturing method is characterized in that the capacitor element is placed in a low-pressure atmosphere during the process of chemical polymerization to generate a conductive polymer, and intermittent pressure is applied to the capacitor element. Voltage, so that the damage to the anode foil caused by the high temperature and stress during the polymerization process can be repaired in time, the leakage current of the capacitor is reduced, and the reliability of the capacitor is improved. Background technique [0002] Capacitors are one of the most common electronic components and are widely used in various electronic products. Capacitors currently on the market mainly include aluminum electrolytic capacitors, film capacitors, tantalum capacitors, ceramic capacitors, monolithic capacitors, paper capacitors, mica capacitors, ceramic cap...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01G9/15
Inventor 付铜权汪斌华许友泉杨松
Owner 赣州市柏瑞凯电子科技有限公司