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Capacitor element impregnating method

A capacitor and element technology, applied in the field of impregnation of capacitor elements, can solve the problems of non-recycling, waste of resources, inability to be effectively covered by monomers, etc., and achieve the effect of high efficiency and high capacity extraction rate

Active Publication Date: 2016-07-20
HUNAN AIHUA GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After impregnation with monomer solution, part of the internal position of the element will be occupied by the solvent, and the solvent entering the element needs to be removed after drying, which will prevent the internal part of the element from being effectively covered by the monomer, affecting the capacity extraction rate; in addition After the solvent is dried and removed, it cannot be recycled, resulting in waste of resources

Method used

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  • Capacitor element impregnating method

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Effect test

Embodiment

[0020] Such as figure 1 A method for impregnating a capacitor element includes the following steps: 1) placing a conductive polymer monomer 3 in a vacuum furnace 2, and keeping the element 1 above the conductive polymer monomer 3;

[0021] 2) Seal the vacuum furnace 2, and pump the vacuum degree of the vacuum furnace 2 to 1×10 -4 Pa;

[0022] 3) Raise the temperature in the vacuum furnace 2 to 100°C and keep it for 5 minutes; then gradually lower the temperature in the vacuum furnace 2 to 50°C and keep it for 30 minutes;

[0023] 4) The element 1 impregnated with the conductive polymer monomer 3 is taken out of the vacuum furnace, and polymerized to generate PEDT after being impregnated with an oxidant.

[0024] In this embodiment, the conductive polymer monomer is EDOT and its derivatives. The oxidizing agent is aromatic iron sulfonate.

[0025] In this embodiment, step 3) can be repeated 1-3 times.

[0026] The impregnation method of the capacitor element in this embodi...

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PUM

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Abstract

The invention discloses a capacitor element impregnating method, and the method comprises the following steps: 1), enabling a conducting polymer monomer to be placed in a vacuum furnace, and enabling an element to be placed above the conducting polymer monomer; 2), sealing the vacuum furnace, and carrying out the vacuum pumping of the vacuum furnace; 3), enabling the internal temperature of the vacuum furnace to rise 50-100 DEG C, maintaining the temperature for 1-30min; enabling the internal temperature of the vacuum furnace to gradually decrease to the indoor temperature to 5 DEC C, and maintaining the temperature for 1-30min; 4), enabling the element comprising the conducting polymer monomer to be taken out from the vacuum furnace, carrying out the impregnating of an oxidizing agent, and generating a PEDT. The method employs the strong volatility of the conducting polymer monomer, enables the conducting polymer monomer to be able to be placed in a vacuum furnace room in a gaseous phase in a vacuum environment, reduces the temperature to enable monomer molecules to be condensed in the element after a gaseous impregnating time period under the higher temperature, and enables the monomer molecules to enter in an aluminium foil gap better.

Description

technical field [0001] The invention relates to a capacitor, in particular to a method for impregnating a capacitor element. Background technique [0002] The electrolyte in the solid capacitor enters the capacitor element through the following process. First, the monomer solution is impregnated to allow the monomer to enter the capacitor element, and then the oxidant solution is impregnated to allow the oxidant to enter the element. Finally, the solid electrolyte is generated inside the capacitor element through the polymerization process. , that is, the space between the alumina and the cathode foil in the figure (including the inside of the porous electrolytic paper) is filled with the solid electrolyte PEDT produced by the reaction of the monomer and the oxidant. [0003] Because the pure monomer (liquid state) has high viscosity and strong volatility, the monomer solution diluted with methanol or ethanol is used to impregnate the monomer to ensure the impregnation effic...

Claims

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Application Information

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IPC IPC(8): H01G13/04
CPCH01G13/04
Inventor 艾亮胡少强贾明张超黄家奇
Owner HUNAN AIHUA GRP
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