JPH0437112A - Electrolyte for electrolytic capacitor - Google Patents
Electrolyte for electrolytic capacitorInfo
- Publication number
- JPH0437112A JPH0437112A JP14463390A JP14463390A JPH0437112A JP H0437112 A JPH0437112 A JP H0437112A JP 14463390 A JP14463390 A JP 14463390A JP 14463390 A JP14463390 A JP 14463390A JP H0437112 A JPH0437112 A JP H0437112A
- Authority
- JP
- Japan
- Prior art keywords
- acid
- butyrolactone
- aromatic carboxylic
- gamma
- carboxylic 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 title claims description 14
- 239000003792 electrolyte Substances 0.000 title abstract description 8
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 claims abstract description 16
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000002904 solvent Substances 0.000 claims abstract description 7
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 claims abstract description 6
- DAZXVJBJRMWXJP-UHFFFAOYSA-N n,n-dimethylethylamine Chemical class CCN(C)C DAZXVJBJRMWXJP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000005711 Benzoic acid Substances 0.000 claims abstract description 3
- 235000010233 benzoic acid Nutrition 0.000 claims abstract description 3
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229960004889 salicylic acid Drugs 0.000 claims abstract description 3
- 239000008151 electrolyte solution Substances 0.000 claims description 12
- GLDQAMYCGOIJDV-UHFFFAOYSA-N 2,3-dihydroxybenzoic acid Chemical compound OC(=O)C1=CC=CC(O)=C1O GLDQAMYCGOIJDV-UHFFFAOYSA-N 0.000 claims description 2
- UIAFKZKHHVMJGS-UHFFFAOYSA-N beta-resorcylic acid Natural products OC(=O)C1=CC=C(O)C=C1O UIAFKZKHHVMJGS-UHFFFAOYSA-N 0.000 claims description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract description 6
- 239000002253 acid Substances 0.000 abstract description 4
- 229940093476 ethylene glycol Drugs 0.000 abstract 1
- HCZWNJMKAQGNDP-UHFFFAOYSA-N n,n-dimethylethanamine;phthalic acid Chemical compound CCN(C)C.OC(=O)C1=CC=CC=C1C(O)=O HCZWNJMKAQGNDP-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
- 239000000428 dust Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000011888 foil Substances 0.000 description 2
- 239000003495 polar organic solvent Substances 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
- 150000003863 ammonium salts Chemical class 0.000 description 1
- -1 aromatic carboxylic acids Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 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
- 239000007788 liquid Substances 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 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
- Secondary Cells (AREA)
- 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芳香族カルボン酸の第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 an 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 aromatic carbonaceous solution in a solvent mainly composed of γ-butyrolactone is used. acid fourth
An electrolytic solution is used in which a class ammonium salt or triethylamine acid is dissolved as a solute.
［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
導塵は高いが、火花電圧が低いという問題１点がある。[Problems to be Solved by the Invention] In the electrolytic solution for driving an electrolytic capacitor described above, there is one problem that the electrolytic solution containing a quaternary ammonium salt has a high level of conductive dust but a low spark voltage. .
一方、トリエチルアミン塩を含有した電解液においては
電解液の電導塵が低いという問題点がある。On the other hand, an electrolytic solution containing a triethylamine salt has a problem in that the electrolytic solution has a low amount of conductive dust.
［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
塵が高（、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芳香族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 with high conductive dust (and high spark voltage). is a solvent mainly composed of γ-butyrolactone and a dimethylethylamine salt of an aromatic carboxylic acid as a solute.
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.
芳香族カルボン酸としてはフタル酸、安息香酸、サリチ
ル酸、レゾルシル酸などが好ましく。Preferred aromatic carboxylic acids include phthalic acid, benzoic acid, salicylic acid, and resorcylic acid.
電解駆動用電解液における溶質の濃度としては１〜３５
ｗｔ％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。The concentration of solute in the electrolyte for electrolytic driving is 1 to 35.
It is preferably 10 to 25 wt%, particularly 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.
［実施例コ
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（ｍ Ｓ ／ ｃ ｍ ）は液温４０℃で測定し
、また火花電圧（Ｖ）
たものである。The electrical conductivity (m S / cm ) was measured at a liquid temperature of 40° C. and was calculated by the spark voltage (V).
は液温８５℃でそれぞれ測定し
第１表 駆動用電解液組成例
低下を招（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１００Ｖ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。Table 1 Examples of Driving Electrolyte Composition The spark voltage can be increased without causing a drop in the electrolytic solution composition. This has the advantage that the range of use of the capacitor can be expanded to about 100V.
特許出願人 エルナー株式会社 ［発明の効果〕Patent applicant: Elna Co., Ltd. [Effect of the invention〕
Claims (2)
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 aromatic carboxylic acid is dissolved in a solvent mainly containing γ-butyrolactone.
ル酸またはレゾルシル酸のうちの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 aromatic carboxylic acid is one or more of phthalic acid, benzoic acid, salicylic acid, or resorcylic acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2144633A JPH0782967B2 (en) | 1990-06-01 | 1990-06-01 | Electrolytic solution for driving electrolytic capacitors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2144633A JPH0782967B2 (en) | 1990-06-01 | 1990-06-01 | Electrolytic solution for driving electrolytic capacitors |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6275597A Division JPH07201670A (en) | 1994-10-14 | 1994-10-14 | Electrolytic capacitor driving electrolytic solution |
| JP27559694A Division JPH07201669A (en) | 1994-10-14 | 1994-10-14 | Electrolytic capacitor driving electrolytic solution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0437112A true JPH0437112A (en) | 1992-02-07 |
| JPH0782967B2 JPH0782967B2 (en) | 1995-09-06 |
Family
ID=15366592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2144633A Expired - Lifetime JPH0782967B2 (en) | 1990-06-01 | 1990-06-01 | Electrolytic solution for driving electrolytic capacitors |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0782967B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06310379A (en) * | 1993-04-26 | 1994-11-04 | Elna Co Ltd | Aluminum electrolytic capacitor and driving electrolyte thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0262026A (en) * | 1988-08-29 | 1990-03-01 | Matsushita Electric Ind Co Ltd | Electrolyte for driving electrolytic capacitor |
-
1990
- 1990-06-01 JP JP2144633A patent/JPH0782967B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0262026A (en) * | 1988-08-29 | 1990-03-01 | Matsushita Electric Ind Co Ltd | Electrolyte for driving electrolytic capacitor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06310379A (en) * | 1993-04-26 | 1994-11-04 | Elna Co Ltd | Aluminum electrolytic capacitor and driving electrolyte thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0782967B2 (en) | 1995-09-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR0122882B1 (en) | Liquid electrolyte for use in electrolytic capacitor | |
| JPH0437112A (en) | Electrolyte for electrolytic capacitor | |
| JPH0437111A (en) | Electrolyte for electrolytic capacitor | |
| JPH07201670A (en) | Electrolytic capacitor driving electrolytic solution | |
| JP2572021B2 (en) | Electrolyte for electrolytic capacitors | |
| JPS63122112A (en) | New electrolytic capacitor | |
| JPH07201669A (en) | Electrolytic capacitor driving electrolytic solution | |
| JPH0770443B2 (en) | Electrolytic solution for driving electrolytic capacitors | |
| JPH09148196A (en) | Aluminium electrolytic capacitor and electrolyte for the aluminium electrolytic capacitor drive use | |
| JPS62264615A (en) | Electrolytic capacitor | |
| JPS631017A (en) | Electrolyte for aluminum electrolytic capacitors | |
| JPH0342695B2 (en) | ||
| JPS631018A (en) | Electrolyte for capacitor | |
| JPH01196114A (en) | Electrolyte for electrolytic capacitors | |
| JP2692880B2 (en) | Electrolyte for electrolytic capacitors | |
| JPS631016A (en) | Electrolyte for capacitor | |
| JPH07118432B2 (en) | Electrolytic solution for driving electrolytic capacitors | |
| JPS631015A (en) | Electrolyte for capacitor | |
| JPH0391912A (en) | Electrolyte for driving electrolytic capacitor | |
| JPS635508A (en) | Electrolyte for capacitor | |
| JPS631021A (en) | Electrolyte for capacitor | |
| JPH0636974A (en) | Electrolyte for driving electrolytic capacitor | |
| JPS635509A (en) | Electrolyte for capacitors | |
| JPS62171109A (en) | Electrolyte for electrolytic capacitor | |
| JPH01226145A (en) | Driving electrolyte of electrolytic capacitor |