JPH01119010A - Electrolytic solution for driving electrolytic capacitor - Google Patents
Electrolytic solution for driving electrolytic capacitorInfo
- Publication number
- JPH01119010A JPH01119010A JP62276250A JP27625087A JPH01119010A JP H01119010 A JPH01119010 A JP H01119010A JP 62276250 A JP62276250 A JP 62276250A JP 27625087 A JP27625087 A JP 27625087A JP H01119010 A JPH01119010 A JP H01119010A
- Authority
- JP
- Japan
- Prior art keywords
- electrolytic capacitor
- electrolytic
- electrolytic solution
- ethylene glycol
- solutes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 19
- 239000008151 electrolyte solution Substances 0.000 title claims abstract description 11
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000002253 acid Substances 0.000 claims abstract description 8
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims abstract description 6
- 239000002904 solvent Substances 0.000 claims abstract description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 abstract description 9
- 239000003792 electrolyte Substances 0.000 description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- -1 ammonium ions Chemical class 0.000 description 2
- JCNLVMVIONJLMQ-UHFFFAOYSA-N 2-hydroxyethoxyboronic acid Chemical compound OCCOB(O)O JCNLVMVIONJLMQ-UHFFFAOYSA-N 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- WYXIGTJNYDDFFH-UHFFFAOYSA-Q triazanium;borate Chemical compound [NH4+].[NH4+].[NH4+].[O-]B([O-])[O-] WYXIGTJNYDDFFH-UHFFFAOYSA-Q 0.000 description 1
Landscapes
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、１屏コンデンサの駆動用電解液（以下電解液
という）に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to an electrolytic solution for driving a one-fold capacitor (hereinafter referred to as electrolytic solution).
従来の技術
従来の中高圧用電解液においては、火花電圧が高いこと
からエチレングリコールに電解質として、はう酸あるい
はほう酸アンモニウムを溶解したいわゆるエチレングリ
コールはう酸系電解液が知られている。さらに、高温度
で信頬性を向上させる目的で炭素数が１２から２２であ
る二塩基酸のアンモニウム塩を使用した電解液が知られ
ている。BACKGROUND OF THE INVENTION Conventional electrolytes for medium and high voltages include so-called ethylene glycol-borate electrolytes, which are made by dissolving halogen acid or ammonium borate as an electrolyte in ethylene glycol because of their high spark voltage. Furthermore, an electrolytic solution using an ammonium salt of a dibasic acid having 12 to 22 carbon atoms is known for the purpose of improving reliability at high temperatures.
発明が解決しようとする問題点
しかしかかる電解液では、電解液中のアンモニウムイオ
ン量で比抵抗の値が決まるかめ、かかる電解液を使用し
た電解コンデンサを高温度において、長期間試験あるい
は使用すると封口部からのアンモニアガスの透過、１散
により電解液中のアンモニウムイオン量が減少し、電解
液の比抵抗が上昇し、電解コンデンサの損失は高くなっ
てしまうなどの問題があった。Problems to be Solved by the Invention However, with such an electrolyte, the value of resistivity is determined by the amount of ammonium ions in the electrolyte, so if an electrolytic capacitor using such an electrolyte is tested or used for a long period of time at high temperatures, it may become sealed. There were problems in that the amount of ammonium ions in the electrolytic solution decreased due to the permeation and dispersion of ammonia gas from the capacitor, the specific resistance of the electrolytic solution increased, and the loss of the electrolytic capacitor increased.
問題点を解決するための手段
本発明は、上述の問題点を解決するため、エチレングリ
コールを主体とした溶媒に炭素数が１２から２２である
二塩基酸の４級アンモニウム塩を単独または１種以上の
溶質と共に溶解させたことを特徴とする電解液である。Means for Solving the Problems In order to solve the above-mentioned problems, the present invention uses a quaternary ammonium salt of a dibasic acid having 12 to 22 carbon atoms alone or in combination in a solvent mainly composed of ethylene glycol. This is an electrolytic solution characterized by being dissolved together with the above solutes.
作用
エチレングリコールを主体とした溶媒に炭素数が１２か
ら２２である二塩基酸の４級アンモニウム塩を単独また
は１種以上の溶質と共に溶解させた電解液は、アルミニ
ウム電解コンデンサの損失を低くおさえ、また電解コン
デンサの高温における信頼性試験においても熱的に安定
であり、アンモニアガスとして封口部から透過、揮散す
ることがなく安定した特性を示す。An electrolytic solution in which a quaternary ammonium salt of a dibasic acid having 12 to 22 carbon atoms is dissolved alone or together with one or more kinds of solutes in a solvent mainly composed of ethylene glycol suppresses loss in aluminum electrolytic capacitors. It is also thermally stable in high-temperature reliability tests of electrolytic capacitors, and exhibits stable characteristics without permeating or volatilizing as ammonia gas through the sealing part.
実施例 以下、本発明の具体的実施例について説明する。Example Hereinafter, specific examples of the present invention will be described.
第１表に実施例として本発明に係わる電解液（試料記号
Ａ、Ｂ、Ｃ）と比較のための従来の電解液（試料記号り
、Ｅ）のそれぞれ電解液の組成比および同電解液の３０
’Ｃにおける比抵抗および同電解液の８５℃における耐
電圧を示す。Table 1 shows the composition ratios of the electrolytes according to the present invention (sample symbols A, B, C) and conventional electrolytes for comparison (sample symbols E) as examples. 30
The specific resistance at 'C and the withstand voltage at 85°C of the same electrolyte are shown.
第１表 第２表に上記電解液（試料記号Ａ、Ｂ、Ｃ，Ｄ。Table 1 Table 2 shows the above electrolytes (sample symbols A, B, C, D).
Ｅ）を各々用いてアルミニウム電解コンデンサを製作し
、その初期−船待性および１０５℃定格電圧印加試験結
果を示す。コンデンサ試料は何れも４００Ｗ Ｖ 、２
２０μＦのアルミニウム電解コンデンサである。Aluminum electrolytic capacitors were manufactured using each of E), and the results of their initial-shipping properties and 105°C rated voltage application test are shown. All capacitor samples are 400W V, 2
It is a 20 μF aluminum electrolytic capacitor.
第 ２ 表
上述の実施例から明らかなように本発明のエチレングリ
コールを主体とした溶媒に炭素数が１２から２２である
二塩基酸の４級アンモニウム塩を単独または１種以上の
溶質と共に溶解させた電解液（試料記号Ａ、Ｂ、Ｃ）を
用いたアルミニウム電解コンデンサ（試料群番号１．２
．３）では、アルミニウム電解コンデンサの損失を低（
おさえ、またアルミニウム電解コンデンサの高温におけ
る信頼性試験においても安定した特性を示す。Table 2 As is clear from the above examples, a quaternary ammonium salt of a dibasic acid having 12 to 22 carbon atoms is dissolved alone or together with one or more solutes in a solvent mainly composed of ethylene glycol according to the present invention. Aluminum electrolytic capacitors (sample group number 1.2) using electrolytes (sample numbers A, B, C)
．． 3) reduces the loss of aluminum electrolytic capacitors (
It also shows stable characteristics in high-temperature reliability tests on aluminum electrolytic capacitors.
また上述の実施例の他、種々調合比をかえて繰り返し実
験したが、同様な結果が得られた。In addition to the above-mentioned examples, repeated experiments were conducted with various mixing ratios, and similar results were obtained.
発明の効果
以上のように、本発明に係る電解液を使用することによ
り、従来のものに比べ損失が低く、高温度における信頼
性の高い電解コンデンサを提供することが可能となり、
工業的ならびに実用的価値の大なるものである。Effects of the Invention As described above, by using the electrolytic solution according to the present invention, it is possible to provide an electrolytic capacitor that has lower loss than conventional ones and is highly reliable at high temperatures.
It has great industrial and practical value.
Claims (1)
から２２である二塩基酸の４級アンモニウム塩を単独ま
たは１種以上の溶質と共に溶解させたことを特徴とする
電解コンデンサの駆動用電解液。A solvent mainly composed of ethylene glycol with 12 carbon atoms
An electrolytic solution for driving an electrolytic capacitor, characterized in that a quaternary ammonium salt of a dibasic acid represented by 22 is dissolved alone or together with one or more solutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62276250A JPH01119010A (en) | 1987-10-31 | 1987-10-31 | Electrolytic solution for driving electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62276250A JPH01119010A (en) | 1987-10-31 | 1987-10-31 | Electrolytic solution for driving electrolytic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01119010A true JPH01119010A (en) | 1989-05-11 |
Family
ID=17566800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62276250A Pending JPH01119010A (en) | 1987-10-31 | 1987-10-31 | Electrolytic solution for driving electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01119010A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6193610A (en) * | 1984-10-12 | 1986-05-12 | エルナ−株式会社 | Electrolytic liquid for driving electrolytic capacitor |
| JPS62145716A (en) * | 1985-12-20 | 1987-06-29 | 三菱油化株式会社 | Electrolyte for electrolytic capacitor |
| JPS62254416A (en) * | 1986-04-28 | 1987-11-06 | 三菱化学株式会社 | Electrolyte for electrolytic capacitor |
| JPS62254415A (en) * | 1986-04-28 | 1987-11-06 | 三菱油化株式会社 | Electrolyte for electrolytic capacitor |
| JPS62276815A (en) * | 1986-05-20 | 1987-12-01 | 旭硝子株式会社 | New electrolytic capacitor |
-
1987
- 1987-10-31 JP JP62276250A patent/JPH01119010A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6193610A (en) * | 1984-10-12 | 1986-05-12 | エルナ−株式会社 | Electrolytic liquid for driving electrolytic capacitor |
| JPS62145716A (en) * | 1985-12-20 | 1987-06-29 | 三菱油化株式会社 | Electrolyte for electrolytic capacitor |
| JPS62254416A (en) * | 1986-04-28 | 1987-11-06 | 三菱化学株式会社 | Electrolyte for electrolytic capacitor |
| JPS62254415A (en) * | 1986-04-28 | 1987-11-06 | 三菱油化株式会社 | Electrolyte for electrolytic capacitor |
| JPS62276815A (en) * | 1986-05-20 | 1987-12-01 | 旭硝子株式会社 | New electrolytic capacitor |
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