JPH0437111A - Electrolyte for electrolytic capacitor - Google Patents
Electrolyte for electrolytic capacitorInfo
- Publication number
- JPH0437111A JPH0437111A JP14463290A JP14463290A JPH0437111A JP H0437111 A JPH0437111 A JP H0437111A JP 14463290 A JP14463290 A JP 14463290A JP 14463290 A JP14463290 A JP 14463290A JP H0437111 A JPH0437111 A JP H0437111A
- Authority
- JP
- Japan
- Prior art keywords
- butyrolactone
- acid
- unsaturated dicarboxylic
- dimethylethylamine
- dicarboxylic acid
- 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 description 15
- 239000003792 electrolyte Substances 0.000 title abstract description 7
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 claims abstract description 14
- 150000001991 dicarboxylic acids Chemical class 0.000 claims abstract description 8
- 239000002904 solvent Substances 0.000 claims abstract description 7
- DAZXVJBJRMWXJP-UHFFFAOYSA-N n,n-dimethylethylamine Chemical class CCN(C)C DAZXVJBJRMWXJP-UHFFFAOYSA-N 0.000 claims abstract description 4
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims abstract description 3
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims abstract description 3
- 239000011976 maleic acid Substances 0.000 claims abstract description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims abstract description 3
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 claims abstract 2
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 claims abstract 2
- 239000008151 electrolyte solution Substances 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract description 6
- ZBXCTUFRODXIFX-BTJKTKAUSA-N (z)-but-2-enedioic acid;n,n-dimethylethanamine Chemical compound CCN(C)C.OC(=O)\C=C/C(O)=O ZBXCTUFRODXIFX-BTJKTKAUSA-N 0.000 abstract 1
- HNEGQIOMVPPMNR-IHWYPQMZSA-N citraconic acid Chemical compound OC(=O)C(/C)=C\C(O)=O HNEGQIOMVPPMNR-IHWYPQMZSA-N 0.000 abstract 1
- 229940018557 citraconic acid Drugs 0.000 abstract 1
- 229940093476 ethylene glycol Drugs 0.000 abstract 1
- VUBSSQJGTFURGW-UHFFFAOYSA-N n,n-dimethylethanamine;2-methylidenebutanedioic acid Chemical compound CCN(C)C.OC(=O)CC(=C)C(O)=O VUBSSQJGTFURGW-UHFFFAOYSA-N 0.000 abstract 1
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000011888 foil Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003495 polar organic solvent Substances 0.000 description 2
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 150000005846 sugar alcohols Chemical class 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 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］
本発明は電解コンデンサ駆動用電解液に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an electrolytic solution for driving an electrolytic capacitor.
［従来の技術］
アルミニウム電解コンデンサは、アルミニウム陽極箔と
陰極箔とをセパレータを介して巻回したコンデンサ素子
に電解コンデンサ駆動用電解液を含浸し、このコンデン
サ素子をアルミニウム製あるいは合成樹脂製の外装ケー
スに封口体とともに組み込んだ構造となっている。[Prior art] Aluminum electrolytic capacitors are made by impregnating a capacitor element with an electrolytic solution for driving an electrolytic capacitor into a capacitor element made by winding an aluminum anode foil and a cathode foil with a separator in between, and then encasing the capacitor element with an exterior made of aluminum or synthetic resin. It has a structure that is built into the case together with the sealing body.
このような電解コンデンサ駆動用電解液としては極性有
機溶媒にカルボン酸またはその塩を溶解したものが良く
使用され、特に低電圧用の電解コンデンサにはγ−ブチ
ロラクトンを主体とした溶媒に不飽和ジカルボン酸の第
４級アンモニウム塩やトリエチルアミン酸を溶質として
溶解した電解液が使用されている。As the electrolytic solution for driving such electrolytic capacitors, a solution prepared by dissolving a carboxylic acid or its salt in a polar organic solvent is often used. Especially for low voltage electrolytic capacitors, an unsaturated dicarboxylic acid solution in a solvent mainly composed of γ-butyrolactone is used. An electrolytic solution in which a quaternary ammonium salt of an acid or triethylamine acid is dissolved as a solute is used.
Ｌ発明が解決しようとする課題］
上述した電解コンデンサ駆動用電解液において、第４級
アンモニウム塩を含有した電解液においては電解液の電
導度は高いが、火花電圧が低いという問題点がある。一
方、トリエチルアミン塩を含有した電解液においては電
解液の電導度が低いという問題点がある。Problems to be Solved by the Invention] In the electrolytic solution for driving an electrolytic capacitor described above, the electrolytic solution containing a quaternary ammonium salt has a high conductivity, but has a problem in that the spark voltage is low. On the other hand, an electrolytic solution containing a triethylamine salt has a problem in that the electrical conductivity of the electrolytic solution is low.
［課題を解決するための手段］
しかるに、本発明は上述の課題を解決するために、電導
度が高く、かつ火花電圧の高い電解コンダンサ駆動用電
解液を提供するものであり、具体的には、γ−ブチロラ
クトンを主体とした溶媒に不飽和ジカルボン酸のジメチ
ルエチルアミン塩を溶質としたものである。[Means for Solving the Problems] However, in order to solve the above-mentioned problems, the present invention provides an electrolytic solution for driving an electrolytic capacitor that has high conductivity and high spark voltage. , using a dimethylethylamine salt of an unsaturated dicarboxylic acid as a solute in a solvent mainly composed of γ-butyrolactone.
本発明において、溶媒としてはγ−ブチロラクトンを主
体とするが、これに他の極性有機溶媒、例えばエチレン
グリコールなどを加え、複合溶媒としてもよい。In the present invention, the solvent is mainly γ-butyrolactone, but other polar organic solvents such as ethylene glycol may be added to it to form a composite solvent.
不飽和ジカルボン酸としてはマレイン酸、シトた火花電
圧（Ｖ）
は液温８５℃でそれぞれ測定し
たものである。Maleic acid was used as the unsaturated dicarboxylic acid, and the spark voltage (V) was measured at a liquid temperature of 85°C.
第１表 駆動用電解液組成例
１〜３５ｗｔ％が好ましく、特には電導度および火花電
圧などの点から１０〜２５ｗｔ％が好ましい。Table 1 Driving Electrolyte Composition Examples 1 to 35 wt% is preferable, and 10 to 25 wt% is particularly preferable from the viewpoint of conductivity and spark voltage.
また、電解液中、水や糖アルコールやその他の酸または
その塩を添加してもよい。Furthermore, water, sugar alcohol, other acids, or salts thereof may be added to the electrolyte.
［実施例］
次に、本発明に係る駆動用電解液の実施例を比較例とと
もに示す。電解液組成はｗｔ％で示す。[Example] Next, examples of the driving electrolyte according to the present invention will be shown together with comparative examples. Electrolyte composition is shown in wt%.
電導度（１７１Ｓ／ｃｍ）は液温４０℃で測定し、ま［
発明の効果〕
第１表から分かるように、本発明実施例に係る電解コン
デンサ駆動用電解液は電解液の電動度の低下を招くこと
なく、火花電圧を高くすることができる。したがって、
従来は耐電圧が５０Ｖ程度までしか使用できなかった電
解コンデンサを１００ Ｖ、程度まで使用範囲を拡大す
ることができるという利点を奏するものである。The conductivity (171S/cm) was measured at a liquid temperature of 40°C, and
Effects of the Invention] As can be seen from Table 1, the electrolytic solution for driving an electrolytic capacitor according to the embodiment of the present invention can increase the spark voltage without causing a decrease in the electric power of the electrolytic solution. therefore,
This has the advantage that the range of use of electrolytic capacitors, which conventionally could only be used with a withstand voltage of about 50 V, can be expanded to about 100 V.
特許出願人 エルナー株式会社Patent applicant: Elna Co., Ltd.
Claims (2)
カルボン酸のジメチルエチルアミン塩を溶解したことを
特徴とする電解コンデンサ駆動用電解液。(1) An electrolytic solution for driving an electrolytic capacitor, characterized in that a dimethylethylamine salt of an unsaturated dicarboxylic acid is dissolved in a solvent mainly containing γ-butyrolactone.
たはイタコン酸のうちの１種または２種以上であること
を特徴とする請求項（１）に記載の電解コンデンサ駆動
用電解液。(2) The electrolytic solution for driving an electrolytic capacitor according to claim (1), wherein the unsaturated dicarboxylic acid is one or more of maleic acid, citranic acid, and itaconic acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14463290A JPH0437111A (en) | 1990-06-01 | 1990-06-01 | Electrolyte for electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14463290A JPH0437111A (en) | 1990-06-01 | 1990-06-01 | Electrolyte for electrolytic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0437111A true JPH0437111A (en) | 1992-02-07 |
Family
ID=15366568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14463290A Pending JPH0437111A (en) | 1990-06-01 | 1990-06-01 | Electrolyte for electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0437111A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007168049A (en) * | 2005-12-26 | 2007-07-05 | Aiho Corp | Food cutting device |
-
1990
- 1990-06-01 JP JP14463290A patent/JPH0437111A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007168049A (en) * | 2005-12-26 | 2007-07-05 | Aiho Corp | Food cutting device |
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