KR0158590B1 - Electrolyte for electrolytic condenser for high voltage - Google Patents
Electrolyte for electrolytic condenser for high voltage Download PDFInfo
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- KR0158590B1 KR0158590B1 KR1019950017904A KR19950017904A KR0158590B1 KR 0158590 B1 KR0158590 B1 KR 0158590B1 KR 1019950017904 A KR1019950017904 A KR 1019950017904A KR 19950017904 A KR19950017904 A KR 19950017904A KR 0158590 B1 KR0158590 B1 KR 0158590B1
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- electrolyte
- electrolytic capacitor
- present
- weight
- electrolytic
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- 239000003792 electrolyte Substances 0.000 title claims abstract description 26
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000003990 capacitor Substances 0.000 claims abstract description 19
- 239000008151 electrolyte solution Substances 0.000 claims abstract description 17
- 150000007524 organic acids Chemical class 0.000 claims abstract description 9
- 239000002904 solvent Substances 0.000 claims abstract description 9
- 150000007522 mineralic acids Chemical class 0.000 claims abstract description 8
- 239000000654 additive Substances 0.000 claims abstract description 6
- 230000000996 additive effect Effects 0.000 claims abstract description 5
- 150000003863 ammonium salts Chemical class 0.000 claims abstract description 4
- 125000005210 alkyl ammonium group Chemical group 0.000 claims description 4
- -1 alkyl ammonium carboxylates Chemical class 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 150000005846 sugar alcohols Polymers 0.000 abstract 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- JKTYGPATCNUWKN-UHFFFAOYSA-N 4-nitrobenzyl alcohol Chemical compound OCC1=CC=C([N+]([O-])=O)C=C1 JKTYGPATCNUWKN-UHFFFAOYSA-N 0.000 description 2
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 description 2
- 229930195725 Mannitol Natural products 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000594 mannitol Substances 0.000 description 2
- 235000010355 mannitol Nutrition 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- RSJKGSCJYJTIGS-UHFFFAOYSA-N N-undecane Natural products CCCCCCCCCCC RSJKGSCJYJTIGS-UHFFFAOYSA-N 0.000 description 1
- OTRAYOBSWCVTIN-UHFFFAOYSA-N OB(O)O.OB(O)O.OB(O)O.OB(O)O.OB(O)O.N.N.N.N.N.N.N.N.N.N.N.N.N.N.N Chemical compound OB(O)O.OB(O)O.OB(O)O.OB(O)O.OB(O)O.N.N.N.N.N.N.N.N.N.N.N.N.N.N.N OTRAYOBSWCVTIN-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- SATJMZAWJRWBRX-UHFFFAOYSA-N azane;decanedioic acid Chemical compound [NH4+].[NH4+].[O-]C(=O)CCCCCCCCC([O-])=O SATJMZAWJRWBRX-UHFFFAOYSA-N 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003223 protective agent Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 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
본 발명은 전해 콘덴서에 사용되는 전해액에 관한 것으로, 전해액의 성분중 용매와 전해질을 적절히 제어하므로서 저온에서 단시간의 제조가 가능하여 비저항이 낮고 제품화 되었을시 손실각 및 누설전류가 낮은 고압용 전해콘덴서용 전해액을 제공하고자 하는데, 그 목적이 있다.The present invention relates to an electrolytic solution used in an electrolytic capacitor, and it is possible to manufacture a short time at a low temperature by appropriately controlling the solvent and the electrolyte in the components of the electrolytic capacitor for a high pressure electrolytic capacitor having a low specific resistance and low loss angle and low leakage current when commercialized To provide an electrolyte solution, the purpose is.
상기한 목적을 달성하기 위한 본 발명은 용매로 80-92중량% 의 에틸렌 글리콜과, 여기에 전해질로 5-15중량% 의 무기산 또는 유기산의 다가알콜 암모늄염을 첨가한 다음, 1-5중량% 의 첨가제를 첨가하여 조성되는 고압용 전해 콘덴서용 전해액을 제공함을 그 요지로 한다.In order to achieve the above object, the present invention adds 80-92% by weight of ethylene glycol as a solvent, and 5-15% by weight of a polyalcohol ammonium salt of an inorganic or organic acid as an electrolyte, followed by 1-5% by weight of It is an object of the present invention to provide an electrolytic solution for a high pressure electrolytic capacitor which is formed by adding an additive.
Description
본 발명은 전해 콘덴서에 사용되는 전해액에 관한 것으로, 보다 상세하게는, 400WV 급 전해콘덴서에 사용되는 전해액에 관한 것이다.The present invention relates to an electrolytic solution used for an electrolytic capacitor, and more particularly, to an electrolytic solution used for a 400 WV class electrolytic capacitor.
전해 콘덴서는 금속을 전해산화하여 한쪽 극으로하고, 전해질을 다른 극으로 한 콘덴서로서, 극성이 있고, 금속에 양(+)의 전압을 주어서 사용한다. 이와같은 전해 콘덴서는 체적이 작은데 비해 대단히 큰 용량을 얻을 수 있으며, 그 종류에는 알루미늄 전해콘덴서, 탄탈 전해콘덴서등이 있다.An electrolytic capacitor is a capacitor having electrolytic oxidation of a metal to one pole and an electrolyte to the other pole. The electrolytic capacitor has a polarity and is used by applying a positive voltage to the metal. Such an electrolytic capacitor has a very small capacity compared to a small volume, and examples thereof include aluminum electrolytic capacitors and tantalum electrolytic capacitors.
전해 콘덴서의 특성은 내부에 장입되는 전해액에 의해 주로 영향을 받게 되는데, 이러한 전해액은 전기화학적 특성(화화전압, 전도도, 접성도)에 따라 저압용(160WV 이하), 중고압용(160 - 400VW), 및 고압용(400WV 이상)으로 분류된다.The characteristics of the electrolytic capacitor are mainly influenced by the electrolyte that is charged therein. These electrolytes are used for low pressure (160 WV or less), medium pressure (160-400 VW), depending on the electrochemical properties (chemical voltage, conductivity, and conductivity). And high pressure (400 WV or more).
상기와 같이 분류되는 전해액 중에서 고압용 전해액에서는 높은 화화전압과 전도도 특성이 특히 중요한데, 이를 위해서는 고온고전압에서 안정한 이온을 형성해야 한다.Among the electrolytes classified as above, high voltage and conductivity characteristics are particularly important in high pressure electrolytes, and for this purpose, stable ions should be formed at high temperature and high voltage.
기존에 사용되는 고압용 전해액은 주용매로 에틸렌글리콜과 디에틸렌글리콜, 전해질로 유기산 또는 무기산의 암모늄염을 사용하고, 여기에 첨가제로서 수소가스 흡수제, 내전압 향상제 및 피막보호제등을 첨가하여 제조된다.Conventional high pressure electrolytes are prepared by using ethylene glycol and diethylene glycol as main solvents, and ammonium salts of organic or inorganic acids as electrolytes, and adding hydrogen gas absorbers, dielectric strength enhancers, and film protective agents as additives.
그러나, 상기와 같은 종래의 고압용 전해액은 고온에서 4-5시간 반응시켜 제조되므로 고압용 전해액으로서의 높은 내전압 특성은 만족하나, 전해질의 산화로 인하여 높은 비저항을 갖게 된다. 따라서 제품화 하였을 때 제품특성에 나쁜 영향을 미치는 손실각과 누설전류 값이 커지게 되는 문제점이 있다.However, the conventional high pressure electrolyte as described above is prepared by reacting at a high temperature for 4-5 hours to satisfy the high withstand voltage characteristics as the high pressure electrolyte, but has a high specific resistance due to oxidation of the electrolyte. Therefore, there is a problem in that the loss angle and leakage current value that has a bad effect on the product characteristics when the product is made larger.
이에, 본 발명자는 상기한 문제점을 해결할 뿐만 아니라, 제품특성을 향상시키고 전해액 제조 또한 좀더 낮은 온도에서 가능토록 하여 생산성 향상을 가져오게 하기 위하여 연구와 실험을 행하고 그 결과에 근거하여 본 발명을 제안하게 되었다.Therefore, the present inventor not only solves the above problems, but also performs research and experiments to improve the product characteristics and the production of the electrolyte solution at a lower temperature, thereby improving productivity, and propose the present invention based on the results. It became.
본 발명은 전해액의 성분중 용매와 전해질을 적절히 제어하므로서, 저온에서 단시간의 제조가 가능하여 비저항이 낮고 제품화 되었을 시 손실각 및 누설전류가 낮은 고압용 전해콘덴서용 전해액을 제공하고자 하는데, 그 목적이 있다.The present invention is to provide a high-pressure electrolytic capacitor electrolyte solution for low pressure and leakage current when the low resistance and when commercialized by being able to manufacture a short time at a low temperature by appropriately controlling the solvent and the electrolyte in the components of the electrolyte, the object is have.
이하, 본 발명을 설명한다.Hereinafter, the present invention will be described.
본 발명은 80-92중량%의 에틸렌글리콜을 용매로 하고, 여기에 전해질로 5-15중량%의 무기산 또는 유기산의 다가알킬 암모늄염을 첨가한 다음, 수소가스 흡수제 및 화화전압 안정제로 이루어지는 첨가제를 1-5중량% 첨가하여 조성되는 고압용 전해 콘덴서용 전해액에 관한 것이다.In the present invention, 80-92% by weight of ethylene glycol is used as a solvent, and 5-15% by weight of a polyalkyl ammonium salt of an inorganic acid or an organic acid is added thereto as an electrolyte, and then an additive comprising a hydrogen gas absorbent and a voltage stabilizer is added. It relates to an electrolytic solution for a high pressure electrolytic capacitor, which is added and added by -5 wt%.
이하, 본 발명을 보다 상세히 설명한다.Hereinafter, the present invention will be described in more detail.
상기한 목적을 달성하기 위하여 본 발명에서는 전해액을 상기와 같이 조성되도록함이 바람직하며, 그 이유는 다음과 같다.In order to achieve the above object, in the present invention, it is preferable to configure the electrolyte as described above, and the reason thereof is as follows.
에틸렌글리콜은 이온 분리의 매개체 역할을 하는 성분으로서, 그 함량이 80% 이하일 경우에는 전해액의 농도가 증가하여 활동도가 감소하므로서 전도도가 감소하는 문제점이 있으며, 92% 이상일 경우에는 전해질 부족으로 화성성이 저하되는 문제점이 있기 때문에, 그 함량을 80-92% 로 제한함이 바람직하다.Ethylene glycol is a component that acts as a medium for ion separation. If the content is 80% or less, the conductivity increases due to the increase in the concentration of the electrolyte solution, and the conductivity decreases. Because of this problem of deterioration, it is preferable to limit the content to 80-92%.
상기 용매에 첨가되는 전해질인 유기산 또는 무기산의 다가알킬 암모늄염은 이온전도 및 Al 박(Foil)의 화성에 영향을 미치는 성분으로서, 그 함량이 5% 이하일 경우에는 화성성 저하의 문제점이 있으며, 15% 이상일 경우에는 전해액 농도 증가로 인해 활동도가 감소되고 따라서 전도도가 감소되는 문제점이 있으므로, 그 함량은 5-15% 로 제한함이 바람직하다.The polyvalent alkyl ammonium salt of an organic acid or an inorganic acid, which is an electrolyte added to the solvent, is a component that affects ion conduction and chemical conversion of Al foil, and when the content is 5% or less, there is a problem of deterioration of chemical composition, 15% In the above case, since the activity decreases due to the increase of the electrolyte concentration and thus the conductivity decreases, the content is preferably limited to 5-15%.
이때, 전해질로 첨가되는 유기산 또는 무기산의 다가알킬 암모늄염은 4차 알킬암모늄 카르복실레이트로 이루어진 그룹중에서 선택된 1종 또는 2종 이상을 사용함이 바람직하다.At this time, the polyvalent alkyl ammonium salt of the organic or inorganic acid added to the electrolyte is preferably used one or two or more selected from the group consisting of quaternary alkyl ammonium carboxylate.
전해질로 상기와 같은 유기산 또는 무기산의 다가알킬 암모늄염을 사용하는 것은 기존에 사용하던 직쇄형 유기산의 염보다 이온상태에서 안정하여 전도도 특성이 우수하고, 제품화되어도 오랜 시간 신뢰성 보증이 가능하기 때문이다.The use of the polyhydric alkyl ammonium salt of the organic or inorganic acid as an electrolyte is because it is more stable in the ionic state than the salt of the linear organic acid, which is used in the past, and has excellent conductivity characteristics, and it is possible to guarantee reliability for a long time even when commercialized.
또한, 첨가재로는 화화전압 안정제(Mannitol), 수소가스 흡수제(P-Nitro Benzyl Alcohol)등을 사용하며, 그 함량이 1% 이하일 경우에는 충분한 역할을 못하는 문제점이 있으며, 5% 이상일 경우에는 농도 증가로 전도도를 저하시키고, 가격 상승의 문제점이 있으므로, 그 함량은 1-5% 로 제한함이 바람직하다.In addition, as an additive material, a voltage stabilizer (Mannitol) and a hydrogen gas absorber (P-Nitro Benzyl Alcohol) are used, and when the content is 1% or less, there is a problem that it does not play a sufficient role. In order to lower the conductivity of the furnace and increase the price, the content is preferably limited to 1-5%.
이하, 실시예를 통하여 본 발명을 보다 구체적으로 설명한다.Hereinafter, the present invention will be described in more detail with reference to Examples.
[실시예 1]Example 1
용매와 전해질 및 첨가제를 하기표 1과 같이 조성한 후, 70℃ 에서 2시간 교반하여 전해액을 제조하였다.The solvent, the electrolyte, and the additive were prepared as shown in Table 1, followed by stirring at 70 ° C. for 2 hours to prepare an electrolyte solution.
이와같이 제조된 전해액 자체의 비저항 및 내전압(SPV : Sparking Voltage)을 측정하여 그 결과를 하기표 1에 나타내었다.Thus, the specific resistance and withstand voltage (SPV: sparking voltage) of the prepared electrolyte was measured, and the results are shown in Table 1 below.
* EG : 에틸렌 글리콜(Ethylene Glycol), DEG : 디에틸렌글리콜(Diethlene Glycol), AS : 암모늄세바케이트(Ammonium sebacate), ADCU : 암모늄 2,4-디메틸-4-메톡시 언데칸 디카르복실레이트(Ammonium 2.4-dimethl-4-methoxy undecan dicarboxylate), AP : 암모늄 펜타보레이트(Ammonium Pentaborate), Man : 마니톨(Mannitol), PNBA : 파라니트로벤질알콜(p-Nitro Benzyl Alcohol).* EG: ethylene glycol (Ethylene Glycol), DEG: Diethlene Glycol, AS: ammonium sebacate, ADCU: ammonium 2,4-dimethyl-4-methoxy undecane dicarboxylate ( Ammonium 2.4-dimethl-4-methoxy undecan dicarboxylate, AP: Ammonium Pentaborate, Man: Mannitol, PNBA: p-Nitro Benzyl Alcohol.
상기 표 1에서 알 수 있는 바와같이, 본 발명의 범위를 만족하는 발명예(A-D)의 경우에는 본 발명의 범위를 만족하지 못하는 비교예(1)에 비하여 내전압 특성은 큰 차이가 없는 반면 비저항 값은 훨씬 낮음을 알 수 있다.As can be seen in Table 1, in the case of Inventive Example (AD) that satisfies the scope of the present invention, the withstand voltage characteristics are not significantly different compared to Comparative Example (1) that do not satisfy the scope of the present invention, while the specific resistance value Is much lower.
[실시예 2]Example 2
상기 실시예 1과 같이 제조된 전해액중 발명예(A)의 전해액과 비교예(1)의 전해액을 하기표 2와 같은 전해콘덴서에 적용시켜 제품화하였을 경우의 정전용량(㎌), 손실각(%)및 누설전류(㎂) 값을 측정하고, 그 결과를 하기표 2에 나타내었다.In the electrolytic solution prepared as in Example 1, the electrolytic solution of Inventive Example (A) and the electrolytic solution of Comparative Example (1) were applied to an electrolytic capacitor as shown in Table 2 to produce a capacitance and a loss angle (%). ) And leakage current values were measured, and the results are shown in Table 2 below.
상기 표 2에 나타난 바와같이, 본 발명의 범위를 만족하는 발명예(E, F)의 경우에는 실제 제품에 적용시에도, 본 발명의 범위를 만족하지 못하는 비교예(2, 3)의 경우에 비하여 정전용량에는 큰 차이가 없으나 손실각 및 누설전류를 크게 감소시킬 수 있음을 할 수 있다.As shown in Table 2, in the case of Inventive Examples (E, F) satisfying the scope of the present invention, in the case of Comparative Examples (2, 3) that do not satisfy the scope of the present invention, even when applied to the actual product In comparison, there is no big difference in capacitance, but it can be said that the loss angle and leakage current can be greatly reduced.
상술한 바와같이, 본 발명은 용매를 에틸렌글리콜 단독만으로 사용하고 전해질로는 합성전해질을 사용하므로서, 종전보다 저온에서 단시간 반응에 의해 전해액의 제조가 가능하여 생산성이 향상되며, 기존 전해액의 단점이던 비저항을 크게 낮추어 전도도 특성을 향상시킬 수 있게 되어 제품화되었을 때 전해 콘덴서의 손실각과 누설전류를 낮추어 제품의 특성을 향상시킬 수 있는 효과가 있다.As described above, according to the present invention, the solvent is used only in ethylene glycol and the synthetic electrolyte is used as the electrolyte, so that the production of the electrolyte solution is possible by a short time reaction at a low temperature than before, thereby improving productivity, and the specific resistance which is a disadvantage of the existing electrolyte solution. By significantly lowering the conductivity, the conductivity characteristics can be improved, and when the product is commercialized, the loss angle and leakage current of the electrolytic capacitor can be lowered, thereby improving the characteristics of the product.
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|---|---|---|---|
| KR1019950017904A KR0158590B1 (en) | 1995-06-28 | 1995-06-28 | Electrolyte for electrolytic condenser for high voltage |
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| KR1019950017904A KR0158590B1 (en) | 1995-06-28 | 1995-06-28 | Electrolyte for electrolytic condenser for high voltage |
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| KR0158590B1 true KR0158590B1 (en) | 1998-12-15 |
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| KR200495771Y1 (en) | 2020-07-17 | 2022-08-19 | (주)대동소방 | Fire extinguisher |
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