KR0153859B1 - Electrolytic components material of aluminum electrolytic condenser - Google Patents

Electrolytic components material of aluminum electrolytic condenser

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Publication number
KR0153859B1
KR0153859B1 KR1019950009742A KR19950009742A KR0153859B1 KR 0153859 B1 KR0153859 B1 KR 0153859B1 KR 1019950009742 A KR1019950009742 A KR 1019950009742A KR 19950009742 A KR19950009742 A KR 19950009742A KR 0153859 B1 KR0153859 B1 KR 0153859B1
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South Korea
Prior art keywords
driving
aluminum
electrolytic solution
electrolytic
present
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KR1019950009742A
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Korean (ko)
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KR960039034A (en
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구자신
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서두칠
대우전자부품주식회사
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Priority to KR1019950009742A priority Critical patent/KR0153859B1/en
Publication of KR960039034A publication Critical patent/KR960039034A/en
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Publication of KR0153859B1 publication Critical patent/KR0153859B1/en

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004Details
    • H01G9/022Electrolytes; Absorbents
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004Details
    • H01G9/04Electrodes or formation of dielectric layers thereon
    • H01G9/042Electrodes or formation of dielectric layers thereon characterised by the material
    • H01G9/045Electrodes or formation of dielectric layers thereon characterised by the material based on aluminium

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)

Abstract

본 발명은 알루미늄 전해콘덴서의 구동용 전해액에 관한 것으로, 더욱 상세하게는 저압 105℃용 알루미늄 전해 콘덴서를 구동시키는 전해액인 알루미늄 전해 콘덴서의 구동용 전해액에 관한 것이다.The present invention relates to an electrolytic solution for driving an aluminum electrolytic capacitor, and more particularly, to an electrolytic solution for driving an aluminum electrolytic capacitor which is an electrolyte for driving an aluminum electrolytic capacitor for a low pressure 105 ° C.

본 발명의 목적은 고온특성을 비교적 안정시키고, 또한 제온도를 100℃범위에서 용해시켜 약품 고유의 전도도 및 특성을 안정시키는 알루미늄 전해콘덴서의 구동용 전해액을 제고함이다.SUMMARY OF THE INVENTION An object of the present invention is to improve the electrolytic solution for driving an aluminum electrolytic capacitor, which stabilizes the high temperature characteristics and dissolves the temperature in the range of 100 ° C. to stabilize the conductivity and characteristics inherent to the chemicals.

본 발명의 알루미늄 저해 콘덴서의 구동용 전해액은 2-메톡시 알콜 18~22wt%, 1.7 옥탄디카르복실산 4~8wt%, 에틸렌글리콜 22~26wt%, 세바틴산암모늄 6~10wt%, 데에틸렌 글리콜 39~43wt%, 및 파라니트로 벤질알콜 1wt%을 포함하여 구성되는 전해액을 100℃에서 용해반응시켜 제조하는 것을 특징으로 한다.The electrolytic solution for driving the aluminum inhibition capacitor of the present invention is 18-22 wt% 2-methoxy alcohol, 4-8 wt% 1.7 octanedicarboxylic acid, 22-26 wt% ethylene glycol, 6-10 wt% ammonium sebatate, deethylene glycol 39 to 43 wt%, and an electrolytic solution including paranitrobenzyl alcohol and 1 wt% is prepared by dissolving at 100 ° C.

Description

알루미늄 전해콘덴서의 구동용 전해액Electrolytic solution for driving aluminum electrolytic capacitors

본 발명은 알루미늄 전해콘덴서의 구동용 전해액에 관한 것으로, 더욱 상세하게는 중고압 105℃용 알루미늄 전해 콘덴서를 구동시키는 전해액인 알루미늄 전해 콘덴서의 구동용 전해액에 관한 것이다.The present invention relates to an electrolytic solution for driving an aluminum electrolytic capacitor, and more particularly, to an electrolytic solution for driving an aluminum electrolytic capacitor, which is an electrolytic solution for driving an aluminum electrolytic capacitor for a high pressure of 105 ° C.

일반적으로 알루미늄 전해 콘덴서는 변작용이 있는 금속을 양극 산화시킴으로서 금속의 산화물을 유전체로 하며, 양극박과 음극박의 사이에 콘덴서(condenser)지를 권취시키고 대향전극의 인출을 위한 에틸렌 글리콜(ethylene glycol)을 주용매로 하는 전해액을 함침하는 구조로 되어 있다.In general, an aluminum electrolytic capacitor uses an oxide of a metal as an dielectric by anodic oxidation of a metal with change, ethylene glycol for winding condenser paper between the anode foil and the cathode foil and withdrawing the counter electrode. It has a structure which impregnates the electrolyte solution which uses as a main solvent.

전술한 알루미늄 전해콘덴서의 종래의 중압, 고압 구동용 전해액은 비저항이 높은 용질을 사용하며, 또한 전솔한 용질은 고온(170℃이상)에서만 용해가 이루어진다.The conventional medium pressure and high pressure driving electrolyte of the above-mentioned aluminum electrolytic capacitor uses a solute with high specific resistance, and the sole solute is dissolved only at a high temperature (170 ° C. or higher).

그러므로 105℃ 제품에 대한 용질의 사용에는 그 사용상의 한계가 있으며 반응시간에 따라 용매의 과량증발, 약품석출 및 전해액의 점도가 증가하는 단점이 발생한다.Therefore, the use of the solute for the 105 ℃ product has a limitation in its use and there is a disadvantage that the excess evaporation of the solvent, the chemical precipitation and the viscosity of the electrolyte increases with the reaction time.

또한, 중고압 전해액 제조시에는 내전압은 낮고 비저항이 높아 제품의 손실각 정접의 증대 및 등가 직렬 저항이 크게 발생하고 사용온도 범위도 좁아서 제품적용의 한계가 있으며, 또한 용매 과량 증발로 제품내부에 가스가 발생하여 전해액이 누수 되는 등의 제품 신뢰성이 저하되는 문제점이 발생한다.In addition, when manufacturing the high pressure electrolyte, the withstand voltage is low and the specific resistance is high, so that the loss angle tangent of the product is increased, the equivalent series resistance is large, and the operating temperature range is narrow.Therefore, there is a limit to the application of the product. Occurs and product reliability, such as leakage of electrolyte, occurs.

따라서 본 발명은 전술한 문제점을 해결하기 위해 창출한 것으로, 본 발명의 목적은 고저온 특성을 비교적 안정시키며, 또한 제조온도를 100℃ 범위에서 용해시켜 약품 고유의 전도도 및 특성을 안정시키는 알루미늄 전해콘덴서의 구동용 전해액을 제공함이다.Therefore, the present invention has been made to solve the above-mentioned problems, the object of the present invention is to stabilize the low-temperature characteristics relatively, and also to dissolve the manufacturing temperature in the range of 100 ℃ aluminum electrolytic capacitors to stabilize the inherent conductivity and properties of drugs It is to provide a driving electrolyte solution.

전술한 목적을 달성하기 본 발명은 알루미늄 전해 콘덴서의 구동용 전해액은 2-메톡시 알콜 18~22wt%, 1.7 옥탄디카르복실산 4~8wt%, 에틸렌글리콜 22~26wt%, 세바틴산암모늄 6~10wt%, 디에틸렌 글리콜 39~43wt%, 및 파라니트로 벤질알콜 1wt%을 포함하여 구성되는 전해액을 100℃에서 용해반응시켜 제조하는 것을 특징으로 한다.In order to achieve the above object, the present invention provides an electrolytic solution for driving an aluminum electrolytic capacitor, which is 18-22 wt% of 2-methoxy alcohol, 4-8 wt% of 1.7 octanedicarboxylic acid, 22-26 wt% of ethylene glycol, and 6-ammonium sebatinate. 10 wt%, diethylene glycol 39 ~ 43wt%, and an electrolyte solution containing paranitro benzyl alcohol 1wt% is characterized in that it is prepared by dissolving at 100 ℃.

이하에서는 도표를 참조하여 본 발명의 양호한 일실시예를 상세히 설명하기로 한다.Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the table.

본 발명의 알루미늄 전해 콘덴서의 구동용 전해액은 열적으로 안정한 2-메톡시 알콜을 20wt%, 1.7 옥탄디카르복실산을 6wt%, 내압 보강용매인 에틸렌 글리콜을 24wt%, 디에틸렌 글리콜을 41wt%, 내압용질인 세바틴산 암모늄을 8wt%, 가스흡착제용 첨가제인 파라니트로 벤질알콜을 1wt% 혼합한후 100℃에서 용해시켜 제조한다.The driving electrolyte of the aluminum electrolytic capacitor of the present invention is 20 wt% of thermally stable 2-methoxy alcohol, 6 wt% of 1.7 octanedicarboxylic acid, 24 wt% of ethylene glycol as a pressure-resistant reinforcing solvent, 41 wt% of diethylene glycol, It is prepared by mixing 8 wt% ammonium sebacate as a pressure-resistant solute and 1 wt% of paranitrobenzyl alcohol as an additive for gas adsorbent and dissolving it at 100 ° C.

하기의 표 1은 본 발명과 종래의 전해액의 특성을 비교한 도표이다.Table 1 below is a chart comparing the characteristics of the present invention and the conventional electrolyte solution.

상기의 특성 비교에서 비저항(Ωcm) 및 내전압 측정은 25℃에서 실시하였다.In the comparison of the above characteristics, the specific resistance (Ωcm) and the breakdown voltage were measured at 25 ° C.

표 1에서 본 발명에 따른 전해액은 종래에 비하여 비저항(Ωcm)이 600~700으로 낮아 져서 우수해졌으며, 또한, 내전압(V)은 상승되어서 종래에 비해 특성이 향상되었음을 알수 있다.In Table 1, the electrolytic solution according to the present invention is excellent in that the specific resistance (Ωcm) is lowered to 600 to 700 as compared with the prior art, and it can be seen that the withstand voltage (V) is increased to improve the characteristics compared to the conventional.

또한 표 2는 본 발명과 종래의 예에 따른 제품의 특성을 비교하는 도표이다.In addition, Table 2 is a chart comparing the characteristics of the product according to the present invention and the conventional example.

상기의 결과는 시료수 10개의 평균치이다.The above result is an average value of ten samples.

상기의 표 2에 따르면 본 발명의 전해액은 종래의 예에 비하여 정전 용량 특성이 68.84μF으로 우수하며, 손실각의 정접특성이 7.04%로 우수하며, 또한 누설 전류 특성이 30.16μA으로 우수함을 알수 있다.According to Table 2, the electrolytic solution of the present invention has an excellent capacitance characteristic of 68.84μF as compared to the conventional example, excellent loss tangent characteristic of 7.04%, and also excellent leakage current characteristic of 30.16μA. .

다음의 표 3은 본 발명의 전해액의 고저온 특성을 나타내는 도표이다.Table 3 below is a chart showing the high-temperature characteristics of the electrolyte solution of the present invention.

상기의 결과는 시료수 10개의 평균치이다,The above result is an average of ten samples.

상기의 본 발명은 열적으로 안정한 용질을 첨가하여 고온(105℃)특성을 안정화시켰으며, 제조온도도 고온에서 낮은 온도로 제조하여 용해반응을 안정시켜 약품고유 특성을 유지하며, 전해액의 비저항 값을 낮추고 내전압을 상승시켜 제품사용 범위를 160WV~450WV, -25℃~105℃로 확대하여 제품 특성을 안정시킨다.In the present invention, the thermally stable solute is added to stabilize the high temperature (105 ° C.) characteristics, and the manufacturing temperature is also prepared at a low temperature at a high temperature to stabilize the dissolution reaction to maintain the chemical properties of the electrolyte, and to increase the specific resistance of the electrolyte. It lowers and raises the withstand voltage to stabilize the product characteristics by extending the product use range to 160WV ~ 450WV, -25 ℃ ~ 105 ℃.

또한 종래의 전해액에 비하여 손실불량 개선 및 고신뢰성의 제품을 제조하는 효과가 있는 유용한 발명이다.In addition, it is a useful invention that has the effect of improving loss defects and producing a high reliability product compared to the conventional electrolyte solution.

Claims (1)

2-메톡시 알콜 18~22wt%, 1.7 옥탄디카르복실산 4~8wt%, 에틸렌글리콜 22~26wt%, 세바틴산암모늄 6~10wt%, 데에틸렌 글리콜 39~43wt%, 및 파라니트로 벤질알콜 1wt%을 포함하여 구성되는 전해액을 100℃에서 용해반응시켜 제조하는 것을 특징으로 하는 알루미늄 전해콘덴서의 구동용 전해액.18-22 wt% 2-methoxy alcohol, 4-8 wt% 1.7 octanedicarboxylic acid, 22-26 wt% ethylene glycol, 6-10 wt% ammonium sebacate, 39-43 wt% deethylene glycol, and 1 wt of paranitrobenzyl alcohol The electrolytic solution for driving an aluminum electrolytic capacitor, characterized in that the electrolyte is prepared by dissolving the electrolyte solution containing% at 100 ℃.
KR1019950009742A 1995-04-25 1995-04-25 Electrolytic components material of aluminum electrolytic condenser KR0153859B1 (en)

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KR0153859B1 true KR0153859B1 (en) 1998-11-16

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100448584B1 (en) * 2001-12-31 2004-09-13 파츠닉(주) An electrolyte for high voltage Al capacitor
KR100462079B1 (en) * 2002-12-06 2004-12-17 파츠닉(주) Electrolyte for aluminium condenser
KR100462082B1 (en) * 2002-12-11 2004-12-17 파츠닉(주) Electrolyte for aluminium condenser
KR100462081B1 (en) * 2002-12-11 2004-12-17 파츠닉(주) Electrolyte for aluminium condenser
KR100462078B1 (en) * 2002-12-06 2004-12-17 파츠닉(주) Electrolyte for aluminium condenser

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100448584B1 (en) * 2001-12-31 2004-09-13 파츠닉(주) An electrolyte for high voltage Al capacitor
KR100462079B1 (en) * 2002-12-06 2004-12-17 파츠닉(주) Electrolyte for aluminium condenser
KR100462078B1 (en) * 2002-12-06 2004-12-17 파츠닉(주) Electrolyte for aluminium condenser
KR100462082B1 (en) * 2002-12-11 2004-12-17 파츠닉(주) Electrolyte for aluminium condenser
KR100462081B1 (en) * 2002-12-11 2004-12-17 파츠닉(주) Electrolyte for aluminium condenser

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Publication number Publication date
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