JPS62232913A - Driving electrolyte for aluminum electrolytic capacitor - Google Patents
Driving electrolyte for aluminum electrolytic capacitorInfo
- Publication number
- JPS62232913A JPS62232913A JP7727786A JP7727786A JPS62232913A JP S62232913 A JPS62232913 A JP S62232913A JP 7727786 A JP7727786 A JP 7727786A JP 7727786 A JP7727786 A JP 7727786A JP S62232913 A JPS62232913 A JP S62232913A
- Authority
- JP
- Japan
- Prior art keywords
- tetrafluoroborate
- aluminum electrolytic
- electrolytic capacitor
- driving
- solute
- 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
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims description 9
- 229910052782 aluminium Inorganic materials 0.000 title claims description 9
- 239000003990 capacitor Substances 0.000 title claims description 9
- 239000003792 electrolyte Substances 0.000 title description 6
- -1 methyl alcohol Chemical compound 0.000 claims description 21
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 12
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 12
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 12
- 239000008151 electrolyte solution Substances 0.000 claims description 12
- 150000001298 alcohols Chemical class 0.000 claims description 5
- 150000001408 amides Chemical class 0.000 claims description 5
- 150000002170 ethers Chemical class 0.000 claims description 5
- 150000002825 nitriles Chemical class 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- 150000005846 sugar alcohols Polymers 0.000 claims description 5
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 claims description 3
- 229910001495 sodium tetrafluoroborate Inorganic materials 0.000 claims description 3
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 claims description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- RIUWBIIVUYSTCN-UHFFFAOYSA-N trilithium borate Chemical compound [Li+].[Li+].[Li+].[O-]B([O-])[O-] RIUWBIIVUYSTCN-UHFFFAOYSA-N 0.000 description 1
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
産業上の利用分野
本発明はアルミニウム電解コンデンサの駆動用電解液に
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 aluminum electrolytic capacitor.
従来の技術
従来、低圧用アルミニウム電解コンデンサの駆動用電解
液としては多価アルコール類やエーテル類、アミド類、
アルコール類あるいはニトリル類の中の一種または二種
以上からなる溶媒に有機カルボン酸の塩を溶質として溶
解した電解液が多用されている。Conventional technology Conventionally, polyhydric alcohols, ethers, amides,
Electrolytes are often used in which a salt of an organic carboxylic acid is dissolved as a solute in a solvent consisting of one or more of alcohols or nitriles.
発明が解決しようとする問題点
近年アルミニウム電解コンデンサの小型化に伴い、アル
ミニウム電解コンデンサの駆動用電解液としては比抵抗
が低い電解液が要求されている。Problems to be Solved by the Invention In recent years, with the miniaturization of aluminum electrolytic capacitors, electrolytic solutions with low specific resistance are required as driving electrolytic solutions for aluminum electrolytic capacitors.
比抵抗を低くするために従来電解液としては、溶質量を
増大させてＣ）るが、溶質量の増大は電解液から溶質の
析出を生じたり、低温での比抵抗の増大が生じる。In order to lower the resistivity, conventional electrolytes have been prepared by increasing the amount of solute (C), but an increase in the amount of solute causes precipitation of the solute from the electrolyte or an increase in the resistivity at low temperatures.
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消するために、エチレンゲリ
コール、ジエチレングリコールなどの多価アルコール類
やエチレングリコールモノノチルエーテルなどのエーテ
ル類、ジメチルホルムアミドなどのアミド類、メチルア
ルコールなどのアルコール類あるいはアセトニトリルな
どのニトリル類の中の一種または二種以上からなる溶媒
に溶質として四フッ化ホウ酸塩を溶解したことを特徴と
するアルミニウム電解コンデンサの駆動用電解液である
。Means for Solving the Problems In order to solve the above-mentioned problems, the present invention uses polyhydric alcohols such as ethylene gelicol and diethylene glycol, ethers such as ethylene glycol mononotyl ether, amides such as dimethylformamide, An electrolytic solution for driving an aluminum electrolytic capacitor characterized by dissolving tetrafluoroborate as a solute in a solvent consisting of one or more types of alcohols such as methyl alcohol or nitriles such as acetonitrile. .
また上記四フッ化ホウ酸塩が四フッ化ホウ酸リチウム、
四フッ化ホウ酸カリウム、四フッ化ホウ酸ナトリウム、
四フッ化ホウ酸アンモニウムの中の一種または二種以上
溶解したことを特徴とするアルミニウム電解コンデンサ
の駆動用電解液である。In addition, the above-mentioned tetrafluoroborate is lithium tetrafluoroborate,
Potassium tetrafluoroborate, sodium tetrafluoroborate,
This is an electrolytic solution for driving an aluminum electrolytic capacitor characterized by dissolving one or more kinds of ammonium tetrafluoroborate.
作用
本発明の電解液は溶質のイオン伝導度が高（、比抵抗が
極めて低くなる。また低温においても溶質の析出がなく
、低い比抵抗を維持し得る。Function: The electrolytic solution of the present invention has a high ionic conductivity of the solute (the specific resistance is extremely low).Also, there is no precipitation of the solute even at low temperatures, and a low specific resistance can be maintained.
実施例 以下、本発明の実施例を示す。Example Examples of the present invention will be shown below.
第１表は電解液組成と２０℃、−５５℃における電解液
の比抵抗値を示す。Table 1 shows the electrolytic solution composition and the specific resistance values of the electrolytic solution at 20°C and -55°C.
第１表から明らかな如く本発明に係る電解液は従来の電
解液に比べ低い比抵抗値を有し、低温においても極めて
低い比抵抗値を与える。As is clear from Table 1, the electrolytic solution according to the present invention has a lower specific resistance value than conventional electrolytic solutions, and provides an extremely low specific resistance value even at low temperatures.
また上述の実施例の他、エチレングリコール、ジエチレ
ングリコール等の多価アルコール類や、エチレングリコ
ールモノメチルエーテルなどのエーテル類、ジメチルホ
ルムアミド等のアミド類、メチルアルコール等のアルコ
ール類あるいはアセトニトリル等のニトリル類の中の一
種または二種以上からなる溶媒に溶質として四ツ、化ホ
ウ酸リチウム、四フッ化ホウ酸カリウム、四フッ化ホウ
酸ナトリウム、四フッ化ホウ酸アンモニウムの中の一種
または二種以上溶解した駆動用電解液についても、種々
調合比を変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 examples, polyhydric alcohols such as ethylene glycol and diethylene glycol, ethers such as ethylene glycol monomethyl ether, amides such as dimethylformamide, alcohols such as methyl alcohol, or nitriles such as acetonitrile, etc. One or more of the following solutes are dissolved in a solvent consisting of one or more of the following: lithium borate, potassium tetrafluoroborate, sodium tetrafluoroborate, and ammonium tetrafluoroborate. Regarding the driving electrolyte, repeated experiments were performed with various mixing ratios, and similar results were obtained.
発明の効果
以上の結果から明らかなようにエチレングリコール、ジ
エチレングリコール等の多価アルコール類や、エチレン
グリコールモノメチルエーテルなどのエーテル類、ジメ
チルホルムアミド等のアミド類、メチルアルコール等の
アルコール類あるいはアセトニトリル等のニトリル類の
中の一種または二種以上からなる溶媒に四フッ化ホウ酸
塩を溶質として溶解したアルミニウム電解コンデンサの
駆動用電解液は、比抵抗が低く、なおかつ低温において
も低い比抵抗を維持し、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 is clear from the above results, polyhydric alcohols such as ethylene glycol and diethylene glycol, ethers such as ethylene glycol monomethyl ether, amides such as dimethylformamide, alcohols such as methyl alcohol, or nitriles such as acetonitrile. The driving electrolyte for aluminum electrolytic capacitors, which is made by dissolving tetrafluoroborate as a solute in a solvent consisting of one or more of the following, has a low resistivity, and maintains a low resistivity even at low temperatures. It has great industrial and practical value.
Claims (2)
多価アルコール類やエチレングリコールモノメチルエー
テルなどのエーテル類、ジメチルホルムアミドなどのア
ミド類、メチルアルコールなどのアルコール類、あるい
はアセトニトリルなどのニトリル類の中の一種または二
種以上からなる溶媒に四フッ化ホウ酸塩を溶質として溶
解したことを特徴とするアルミニウム電解コンデンサの
駆動用電解液。(1) One or two of polyhydric alcohols such as ethylene glycol and diethylene glycol, ethers such as ethylene glycol monomethyl ether, amides such as dimethylformamide, alcohols such as methyl alcohol, or nitriles such as acetonitrile. An electrolytic solution for driving an aluminum electrolytic capacitor, characterized in that a tetrafluoroborate is dissolved as a solute in a solvent consisting of the above.
ム、四フッ化ホウ酸カリウム、四フッ化ホウ酸ナトリウ
ム、四フッ化ホウ酸アンモニウムの中の一種または二種
以上の組合せからなることを特徴とする特許請求の範囲
第１項記載のアルミニウム電解コンデンサの駆動用電解
液。(2) The tetrafluoroborate is one or a combination of two or more of lithium tetrafluoroborate, potassium tetrafluoroborate, sodium tetrafluoroborate, and ammonium tetrafluoroborate. An electrolytic solution for driving an aluminum electrolytic capacitor according to claim 1, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7727786A JPS62232913A (en) | 1986-04-02 | 1986-04-02 | Driving electrolyte for aluminum electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7727786A JPS62232913A (en) | 1986-04-02 | 1986-04-02 | Driving electrolyte for aluminum electrolytic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62232913A true JPS62232913A (en) | 1987-10-13 |
Family
ID=13629365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7727786A Pending JPS62232913A (en) | 1986-04-02 | 1986-04-02 | Driving electrolyte for aluminum electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62232913A (en) |
-
1986
- 1986-04-02 JP JP7727786A patent/JPS62232913A/en active Pending
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