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Manufacturing method of solid electrolyte

A solid electrolyte and manufacturing method technology, applied in the direction of electrolytic capacitor manufacturing, solid electrolytic capacitor, cable/conductor manufacturing, etc., can solve the problems of solid electrolyte characteristic deviation, increasing solid electrolytic capacitor characteristic deviation, unclear solid electrolyte range, etc. Achieves the effect of abnormal growth inhibition and small characteristic deviation

Inactive Publication Date: 2016-10-19
RESONAC HOLDINGS CORPORATION
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Problems solved by technology

This is considered to be because if the liquid level of the polymerization liquid is disturbed, the range where the solid electrolyte can be formed is unclear, resulting in variation in the characteristics of the solid electrolyte, which in turn increases the variation in the characteristics of the solid electrolytic capacitor

Method used

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  • Manufacturing method of solid electrolyte

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1）

[0079] 1) Preparation of polymerization solution

[0080] Mix 0.4 parts by mass of 3,4-ethylenedioxythiophene, 0.3 parts by mass of anthraquinonesulfonic acid, 30 parts by mass of water and 70 parts by mass of ethylene glycol to obtain 3,4-ethylenedioxythiophene dispersed in a liquid medium formed polymer solution.

[0081] The polymerization solution was put into a polymerization container (bottom made of stainless steel, sides made of glass, width 220 mm, depth 140 mm, liquid depth 20 mm), and the liquid temperature was adjusted to 20°C.

[0082] A magnetic stirrer (ISIS Co., Ltd., リモートマルチ 60+20C type) was installed under the polymerization vessel, and 24 stirrers with a diameter of 5 mm φ x a length of 14 mm were arranged in 6 × 4 rows at intervals of 33 mm in the polymerization vessel. The aforementioned magnetic stirrer has a mode in which the stirring bar is continuously rotated, and a mode in which the stirring bar is repeatedly rotated forward and backward at an angle...

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Abstract

A method for producing a solid electrolyte comprising preparation of polymerization solution formed by dispersing materials that form an electrically conductive polymer by polymerization in a liquid medium, immersing a base substance in the polymerization solution, and carrying out electropolymerization while shaking the polymerization solution and base substance relative to each other. A dielectric layer is formed on the positive electrode surface, and a solid electrolyte layer is formed by the method for producing the solid electrolyte on the positive electrode on which the dielectic layer has been formed. Furthermore, an electrically conductive layer is laminated thereon using an electrically conductive paste, and a solid electrolyte capacitor is obtained by sealing the device obtained in a resin.

Description

technical field [0001] The present invention relates to a method for manufacturing a solid electrolyte and a method for manufacturing a solid electrolytic capacitor. More specifically, the present invention relates to a method for producing a solid electrolyte with small variation in characteristics and a method for producing a solid electrolytic capacitor with small variation in characteristics such as ESR by repeating polymerization operations with a small number of times even when a low-solubility polymerization raw material is used. Background technique [0002] Solid electrolytes are used, for example, in capacitors, electrodes of batteries. For example, a solid electrolytic capacitor element is produced by forming a dielectric layer on the surface of a porous anode body, and sequentially laminating a solid electrolyte layer and a conductor layer on the dielectric layer. [0003] Various substances are used for the solid electrolyte layer. A solid electrolyte layer ma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01G9/028H01B13/00
CPCH01G9/028H01G9/0029H01G9/15
Inventor 内藤一美矢部正二
Owner RESONAC HOLDINGS CORPORATION
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