KR970007285B1 - Electrolyte for aluminium electrolytic condenser - Google Patents
Electrolyte for aluminium electrolytic condenser Download PDFInfo
- Publication number
- KR970007285B1 KR970007285B1 KR1019930023043A KR930023043A KR970007285B1 KR 970007285 B1 KR970007285 B1 KR 970007285B1 KR 1019930023043 A KR1019930023043 A KR 1019930023043A KR 930023043 A KR930023043 A KR 930023043A KR 970007285 B1 KR970007285 B1 KR 970007285B1
- Authority
- KR
- South Korea
- Prior art keywords
- electrolyte
- electrolytic
- solution
- ethylene glycol
- electrolytic solution
- Prior art date
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 8
- 239000004411 aluminium Substances 0.000 title abstract 2
- 239000003792 electrolyte Substances 0.000 title description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000008151 electrolyte solution Substances 0.000 claims abstract description 17
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 claims abstract description 12
- 150000002828 nitro derivatives Chemical class 0.000 claims abstract description 4
- 239000003990 capacitor Substances 0.000 claims description 18
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 9
- 150000003839 salts Chemical class 0.000 claims description 6
- 239000012046 mixed solvent Substances 0.000 claims description 5
- 150000007513 acids Chemical class 0.000 claims description 3
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 230000006866 deterioration Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000013538 functional additive Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/02—Diaphragms; Separators
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
Description
본 발명은 알루미늄 전해 콘덴서용 전해액에 관한 것으로, 특히 다가 알콜인 에틸렌 글리콜과 디에틸렌 글리콜의 혼합용매에 유기 이염기성산인 세바틴산 또는 아제라인산 및 그 염을 용해시켜 구성된 전해 콘덴서의 고압용 전해액으로 전해액의 전도도를 향상시키면서 충분한 내전압을 갖고, 콘덴서의 제품 특성과 신뢰성을 향상시킨 알루미늄 전해 콘덴서용 전해액에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electrolytic solution for aluminum electrolytic capacitors, and more particularly, to a high-pressure electrolytic solution of an electrolytic capacitor configured by dissolving sebacic acid or azeline acid, an organic dibasic acid, and a salt thereof in a mixed solvent of ethylene glycol and diethylene glycol, which are polyhydric alcohols. The present invention relates to an electrolytic solution for aluminum electrolytic capacitors having a sufficient withstand voltage while improving conductivity, and improving the product characteristics and reliability of the capacitor.
종래에는 전해 콘덴서 고압용 전해액으로 에틸렌 글리콜과 디에릴렌 글리콜의 혼합용매에 용질로 유기 이염기성산인 세바틴산(Sebacic acid) 또는 아제라인산(Azelaic acid)이나 그 염들을 6-10% 정도 사용하고 또한, 기타 전해 콘덴서의 특성을 향상시키기 위해 기능성 첨가제를 첨가하여 100℃ 이상의 고온에서 2-5시간의 단시간내에 용해시켜 전해액을 구성하였다.Conventionally, 6-10% of sebacic acid or azelaic acid or its salts, which are organic dibasic acids, is used as a solute in a mixed solvent of ethylene glycol and dielylene glycol as an electrolytic capacitor high pressure electrolyte. In order to improve the characteristics of other electrolytic capacitors, functional additives were added and dissolved in a short time of 2-5 hours at a high temperature of 100 ° C. or higher to constitute an electrolyte solution.
그러나, 상기와 같이 구성되는 종래의 전해액은 전해액의 전도도가 낮고, 고온에서 장시간 사용시 제품특성의 열화 및 제품의 방폭변이 작동하는 결점이 발생하며, 각 약품을 고온 용해하여 전해액 구성시 전해액내 휘발성분의 증발과 그에 의한 전해액량 감소와 전해액의 장시간 방치시 콘덴서의 열화가 발생되는 문제점이 있었다.However, the conventional electrolyte solution as described above has a low conductivity of the electrolyte solution, and deterioration of product characteristics and explosion-proofing of the product occurs when it is used for a long time at high temperature, and volatile components in the electrolyte solution when the electrolyte is formed by dissolving each chemical at high temperature. There was a problem in that the evaporation of and a decrease in the amount of the electrolyte and deterioration of the capacitor when the electrolyte is left for a long time.
이에 본 발명은 상기한 종래의 문제점을 해결하기 위해 안출된 것으로, 전해액의 전도도 및 전해 콘덴서의 초기 제품 특성 및 고온 수명 시험시 발생하는 전해액과 전극 재료와의 반응을 억제하고, 전해 콘덴서의 사용온도 및 사용특성을 개선할 수 있는 알루미늄 전해 콘덴서용 전해액을 제공하는 것을 목적으로 한다.Accordingly, the present invention has been made to solve the above-mentioned conventional problems, suppresses the reaction between the electrolyte and the electrode material generated during the conductivity of the electrolyte and the initial product characteristics of the electrolytic capacitor and the high temperature life test, the temperature of use of the electrolytic capacitor And it aims to provide the electrolyte solution for aluminum electrolytic capacitors which can improve a use characteristic.
상기한 목적을 달성하기 위해 본 발명은 알루미늄 전해 콘덴서용 전해액에 있어서, 에틸렌 글리콜과 디에틸렌 글리콜의 혼합용매에 용질로 유기 이염기성산인 세바틴산 또는 아제라인산 중 1종과 그 염을 각각 8-12% 용해시키고, 전해 콘덴서의 기능을 향상시키기 위해 니트로 화합물 0.5-1%를 첨가하여 구성된 것을 특징으로 한다.In order to achieve the above object, the present invention provides an electrolytic solution for aluminum electrolytic capacitors, each of which is one of organic dibasic acid sebacic acid or azeline acid and its salt as a solute in a mixed solvent of ethylene glycol and diethylene glycol. It is characterized in that it is dissolved by adding 0.5-1% nitro compound in order to dissolve and improve the function of the electrolytic capacitor.
상기한 본 발명과 종래의 전해액 조성 및 제조방법을 아래의 도표와 같이 비교하면 다음과 같다.Comparing the present invention and the conventional electrolyte composition and manufacturing method as shown in the diagram below are as follows.
본 발명에서 제공하는 알루미늄 전해 콘덴서용 전해액은 에틸렌 글리콜과 디에틸렌 글리콜의 혼합용매에 용질로 유기 이염기성산인 세바틴산 또는 아제라인산 중 1종과 그 염을 각각 8-12% 용해시키고, 기타 전해 콘덴서의 기능을 향상시키기 위해 니트로 화합물 0.1-1%를 첨가하여 구성된 전해 콘덴서용 전해액을 150℃ 이상의 고온 및 2kg/cm3이상의 기압 상태하에서 제조한다.The electrolytic solution for aluminum electrolytic capacitors provided by the present invention dissolves one of the organic dibasic acids sebacic acid or azeline acid and salts thereof in a mixed solvent of ethylene glycol and diethylene glycol, each of 8-12% of its salt, and other electrolytic capacitors. In order to improve the function of the electrolytic solution for an electrolytic capacitor composed by adding 0.1-1% of a nitro compound is prepared under a high temperature of 150 ℃ or more and 2kg / cm 3 or more.
[표 1] TABLE 1
* 특성 검사온도는 25℃에서 실시함* Characteristic test temperature is performed at 25 ℃
[표 2] TABLE 2
상기 도표 1에서 보는 바와 같이 본 발명이 제공하는 전해액의 특성은 종래 A와 B의 전해액에 비해 전도도가 15-35% 정도 향상되어 높은 신뢰성을 가지며, 전해 콘덴서의 사용전압이 500V까지 사용가능한 내전압을 가지고 있음을 알 수 있으며, 도표 2에서 보는 바와 같이 종래의 전해액에 비해서 우수한 특성을 갖고 있음을 알 수 있다.As shown in Table 1, the characteristics of the electrolyte provided by the present invention have high reliability compared to those of the conventional A and B electrolytes by 15-35%, and thus have high reliability. As shown in Table 2, it can be seen that it has superior characteristics as compared with the conventional electrolyte solution.
또한, 본 발명의 전해액은 제조수율이 종래 A의 70-75%, 종래 B의 83-86%에 비해 95-98%로 전해액 제조수량의 감소가 대폭 개선되는 효과가 있다.In addition, the electrolytic solution of the present invention has an effect that the production yield is significantly reduced to 95-98% compared to 70-75% of the conventional A, 83-86% of the conventional B is significantly improved.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019930023043A KR970007285B1 (en) | 1993-11-01 | 1993-11-01 | Electrolyte for aluminium electrolytic condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019930023043A KR970007285B1 (en) | 1993-11-01 | 1993-11-01 | Electrolyte for aluminium electrolytic condenser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR950015428A KR950015428A (en) | 1995-06-16 |
| KR970007285B1 true KR970007285B1 (en) | 1997-05-07 |
Family
ID=19367145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019930023043A KR970007285B1 (en) | 1993-11-01 | 1993-11-01 | Electrolyte for aluminium electrolytic condenser |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR970007285B1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100462078B1 (en) * | 2002-12-06 | 2004-12-17 | 파츠닉(주) | Electrolyte for aluminium condenser |
| KR100462075B1 (en) * | 2002-12-06 | 2004-12-17 | 파츠닉(주) | Electrolyte for aluminium condenser |
-
1993
- 1993-11-01 KR KR1019930023043A patent/KR970007285B1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR950015428A (en) | 1995-06-16 |
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