JPH0760779B2 - Electrolytic solution for aluminum electrolytic capacitors - Google Patents
Electrolytic solution for aluminum electrolytic capacitorsInfo
- Publication number
- JPH0760779B2 JPH0760779B2 JP61144584A JP14458486A JPH0760779B2 JP H0760779 B2 JPH0760779 B2 JP H0760779B2 JP 61144584 A JP61144584 A JP 61144584A JP 14458486 A JP14458486 A JP 14458486A JP H0760779 B2 JPH0760779 B2 JP H0760779B2
- Authority
- JP
- Japan
- Prior art keywords
- electrolytic solution
- electrolytic
- solvent
- aluminum
- capacitors
- 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.)
- Expired - Fee Related
Links
- 239000008151 electrolyte solution Substances 0.000 title claims description 16
- 239000003990 capacitor Substances 0.000 title claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims description 7
- 229910052782 aluminium Inorganic materials 0.000 title claims description 7
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 9
- 235000012239 silicon dioxide Nutrition 0.000 claims description 9
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims 1
- 239000002904 solvent Substances 0.000 description 16
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 10
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 8
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- PMDCZENCAXMSOU-UHFFFAOYSA-N N-ethylacetamide Chemical compound CCNC(C)=O PMDCZENCAXMSOU-UHFFFAOYSA-N 0.000 description 4
- -1 aliphatic quaternary ammonium salts Chemical class 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- OZJPLYNZGCXSJM-UHFFFAOYSA-N 5-valerolactone Chemical compound O=C1CCCCO1 OZJPLYNZGCXSJM-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- ATHHXGZTWNVVOU-UHFFFAOYSA-N N-methylformamide Chemical compound CNC=O ATHHXGZTWNVVOU-UHFFFAOYSA-N 0.000 description 2
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- CBXCPBUEXACCNR-UHFFFAOYSA-N tetraethylammonium Chemical compound CC[N+](CC)(CC)CC CBXCPBUEXACCNR-UHFFFAOYSA-N 0.000 description 2
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 1
- WACRAFUNNYGNEQ-UHFFFAOYSA-N 1-ethyl-1-methylpiperidin-1-ium Chemical compound CC[N+]1(C)CCCCC1 WACRAFUNNYGNEQ-UHFFFAOYSA-N 0.000 description 1
- NIHOUJYFWMURBG-UHFFFAOYSA-N 1-ethyl-1-methylpyrrolidin-1-ium Chemical compound CC[N+]1(C)CCCC1 NIHOUJYFWMURBG-UHFFFAOYSA-N 0.000 description 1
- OIDIRWZVUWCCCO-UHFFFAOYSA-N 1-ethylpyridin-1-ium Chemical compound CC[N+]1=CC=CC=C1 OIDIRWZVUWCCCO-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- OOWFYDWAMOKVSF-UHFFFAOYSA-N 3-methoxypropanenitrile Chemical compound COCCC#N OOWFYDWAMOKVSF-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- SUAKHGWARZSWIH-UHFFFAOYSA-N N,N‐diethylformamide Chemical compound CCN(CC)C=O SUAKHGWARZSWIH-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 150000008043 acidic salts Chemical class 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- IBTMICNUANPMIH-UHFFFAOYSA-N diazanium ethane-1,2-diol hexanedioate Chemical compound C(CO)O.C(CCCCC(=O)[O-])(=O)[O-].[NH4+].[NH4+] IBTMICNUANPMIH-UHFFFAOYSA-N 0.000 description 1
- HVMLGVVFRKCJOV-UHFFFAOYSA-N dibutyl(dimethyl)azanium Chemical compound CCCC[N+](C)(C)CCCC HVMLGVVFRKCJOV-UHFFFAOYSA-N 0.000 description 1
- ZJHQDSMOYNLVLX-UHFFFAOYSA-N diethyl(dimethyl)azanium Chemical compound CC[N+](C)(C)CC ZJHQDSMOYNLVLX-UHFFFAOYSA-N 0.000 description 1
- WQHRRUZRGXLCGL-UHFFFAOYSA-N dimethyl(dipropyl)azanium Chemical compound CCC[N+](C)(C)CCC WQHRRUZRGXLCGL-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000003759 ester based solvent Substances 0.000 description 1
- FRNYKUYJIUPPPW-UHFFFAOYSA-N ethyl(tripropyl)azanium Chemical compound CCC[N+](CC)(CCC)CCC FRNYKUYJIUPPPW-UHFFFAOYSA-N 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- NNCAWEWCFVZOGF-UHFFFAOYSA-N mepiquat Chemical compound C[N+]1(C)CCCCC1 NNCAWEWCFVZOGF-UHFFFAOYSA-N 0.000 description 1
- VFOJFWOVDZGATC-UHFFFAOYSA-N methyl(tripropyl)azanium Chemical compound CCC[N+](C)(CCC)CCC VFOJFWOVDZGATC-UHFFFAOYSA-N 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- AJFDBNQQDYLMJN-UHFFFAOYSA-N n,n-diethylacetamide Chemical compound CCN(CC)C(C)=O AJFDBNQQDYLMJN-UHFFFAOYSA-N 0.000 description 1
- KERBAAIBDHEFDD-UHFFFAOYSA-N n-ethylformamide Chemical compound CCNC=O KERBAAIBDHEFDD-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- DZLFLBLQUQXARW-UHFFFAOYSA-N tetrabutylammonium Chemical compound CCCC[N+](CCCC)(CCCC)CCCC DZLFLBLQUQXARW-UHFFFAOYSA-N 0.000 description 1
- OSBSFAARYOCBHB-UHFFFAOYSA-N tetrapropylammonium Chemical compound CCC[N+](CCC)(CCC)CCC OSBSFAARYOCBHB-UHFFFAOYSA-N 0.000 description 1
- GFVKHYGXCQWRON-UHFFFAOYSA-N tributyl(ethyl)azanium Chemical compound CCCC[N+](CC)(CCCC)CCCC GFVKHYGXCQWRON-UHFFFAOYSA-N 0.000 description 1
- HJHUXWBTVVFLQI-UHFFFAOYSA-N tributyl(methyl)azanium Chemical compound CCCC[N+](C)(CCCC)CCCC HJHUXWBTVVFLQI-UHFFFAOYSA-N 0.000 description 1
- SEACXNRNJAXIBM-UHFFFAOYSA-N triethyl(methyl)azanium Chemical compound CC[N+](C)(CC)CC SEACXNRNJAXIBM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Electric Double-Layer Capacitors Or The Like (AREA)
- Networks Using Active Elements (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明によれば、電導度の高い優れたアルミ電解コンデ
ンサ用電解液（以下単に電解液と称することがある）が
得られる。DETAILED DESCRIPTION OF THE INVENTION Industrial Field of the Invention According to the present invention, an excellent electrolytic solution for an aluminum electrolytic capacitor having high electrical conductivity (hereinafter sometimes simply referred to as electrolytic solution) can be obtained.
従来の技術 コンデンサの特性は種々の要因によつて決定されている
が、特にコンデンサ素子とともに外装ケースに収納され
る電解液の特性は、インピーダンスあるいは等価直列抵
抗（ESR）に大きな影響を及ぼすことが判明している。2. Description of the Related Art Although the characteristics of capacitors are determined by various factors, the characteristics of the electrolytic solution that is housed in the outer case together with the capacitor element can greatly affect the impedance or equivalent series resistance (ESR). It's known.
たとえば、電解コンデンサには、従来よりエチレグリコ
ール−アジピン酸アンモニウム系の電解液が実用されて
いる。For example, for electrolytic capacitors, an ethylene glycol-ammonium adipate-based electrolytic solution has been conventionally used.
発明が解決しようとする問題点 しかし、近年のスイツチングレギユレーターの高周波化
に伴ない、更に低インピーダンスあるいは低等価直列抵
抗のコンデンサが必要となり、高電導度の電解液の開発
が望まれている。Problems to be Solved by the Invention However, with the recent increase in the frequency of switching regulators, capacitors with lower impedance or low equivalent series resistance are required, and the development of electrolytes with high conductivity is desired. There is.
問題点を解決するための手段 本発明者らは、電導度の高い電解液を見い出すべく鋭意
検討を行ない、硅酸の四級アンモニウム塩が高い電導度
を示すことを見い出し本発明を完成した。Means for Solving the Problems The inventors of the present invention have conducted extensive studies to find an electrolytic solution having a high electric conductivity, and have found that a quaternary ammonium salt of silicic acid has a high electric conductivity, and completed the present invention.
即ち、本発明は硅酸の四級アンモニウム塩を溶質として
使用することを特徴とするアルミ電解コンデンサ用電解
液を提供するものである。That is, the present invention provides an electrolytic solution for an aluminum electrolytic capacitor, which uses a quaternary ammonium salt of silicic acid as a solute.
発明の具体的説明 本発明において溶質として用いられる硅酸の四級アンモ
ニウム塩における四級アンモニウム塩としては、テトラ
エチルアンモニウム、テトラプロピルアンモニウム、テ
トラブチルアンモニウム、メチルトリエチルアンモニウ
ム、メチルトリプロピルアンモニウム、メチルトリブチ
ルアンモニウム、ジメチルジエチルアンモニウム、ジメ
チルジプロピルアンモニウム、ジメチルジブチルアンモ
ニウム、エチルトリプロピルアンモニウム、エチルトリ
ブチルアンモニウム等の脂肪族四級アンモニウム塩、N,
N−ジメチルピロリジニウム、N,N−ジメチルピペリジニ
ウム、Ｎ−メチル−Ｎ−エチルピロリジニウム、Ｎ−メ
チル−Ｎ−エチルピペリジニウム、N,N−ペンタメチレ
ンピペリジニウム等の脂環式四級アンモニウム塩、Ｎ−
エチルピリジニウム等の芳香族四級アンモニウム塩を例
示することができる。DETAILED DESCRIPTION OF THE INVENTION The quaternary ammonium salt of quaternary ammonium salt of silicic acid used as a solute in the present invention includes tetraethylammonium, tetrapropylammonium, tetrabutylammonium, methyltriethylammonium, methyltripropylammonium and methyltributylammonium , Dimethyldiethylammonium, dimethyldipropylammonium, dimethyldibutylammonium, ethyltripropylammonium, ethyltributylammonium, etc., aliphatic quaternary ammonium salts, N,
Fats such as N-dimethylpyrrolidinium, N, N-dimethylpiperidinium, N-methyl-N-ethylpyrrolidinium, N-methyl-N-ethylpiperidinium, N, N-pentamethylenepiperidinium Cyclic quaternary ammonium salt, N-
Examples thereof include aromatic quaternary ammonium salts such as ethylpyridinium.
本発明の硅酸の四級アンモニウム塩を溶解させる溶媒と
しては、Ｎ−メチルホルムアミド、Ｎ−エチルホルムア
ミド、N,N−ジメチルホルムアミド、N,N−ジエチルホル
ムアミド、Ｎ−エチルアセトアミド、Ｎ−エチルアセト
アミド、N,N−ジメチルアセトアミド、N,N−ジエチルア
セトアミド、Ｎ−メチルピロリジノン等のアミド溶媒、
γ−ブチロラクトン、γ−パレロラクトン、δ−バレロ
ラクトン等のラクトン溶媒、エチレンカーボネート、プ
ロピレンカーボネート、ブチレンカーボネート等のカー
ボネート溶媒、エチレングリコール、グリセリン、メチ
ルセロソルブ等のアルコール溶媒、３−メトキシプロピ
オニトリル等のニトリル溶媒、およびトリチルホスフエ
ート等の燐酸エステル溶媒の単独あるいは混合溶媒を例
示するこができる。これらの中でもγ−ブチロラクトン
を主体とする溶媒が毒性が低く、アルミ電解コンデンサ
の封孔剤のアタツクやハロゲンの混入が少ない等のこと
から特に好ましい。As a solvent for dissolving the quaternary ammonium salt of silicic acid of the present invention, N-methylformamide, N-ethylformamide, N, N-dimethylformamide, N, N-diethylformamide, N-ethylacetamide, N-ethylacetamide , N, N-dimethylacetamide, N, N-diethylacetamide, N-methylpyrrolidinone and other amide solvents,
γ-butyrolactone, γ-parerolactone, lactone solvent such as δ-valerolactone, carbonate solvent such as ethylene carbonate, propylene carbonate, butylene carbonate, alcohol solvent such as ethylene glycol, glycerin, methyl cellosolve, and 3-methoxypropionitrile. Examples thereof include nitrile solvents and phosphoric acid ester solvents such as trityl phosphate alone or in a mixed solvent. Among these, the solvent containing γ-butyrolactone as the main component is particularly preferable because it has low toxicity, and the attack of the sealing agent of the aluminum electrolytic capacitor and the mixing of halogen are small.
上記溶媒に対する硅酸の四級アンモニウム塩の溶解量は
飽和濃度以下、好ましくは１〜30重量％である。The amount of the quaternary ammonium salt of silicic acid dissolved in the solvent is not more than the saturation concentration, preferably 1 to 30% by weight.
また、上記電解液中の溶解塩は中性塩でも酸性塩でも良
い。The dissolved salt in the electrolytic solution may be a neutral salt or an acidic salt.
本発明の電解液は、本質的には、硅酸の四級アンモニウ
ム塩と溶媒よりなるが、電蝕防止、漏れ電流の低減等、
種々の目的で少量の助溶質を添加しても差し支えない。The electrolytic solution of the present invention essentially consists of a quaternary ammonium salt of silicic acid and a solvent, but prevents electrolytic corrosion, reduces leakage current, etc.
Small amounts of co-solutes can be added for various purposes.
発明の効果 本発明で溶質として使用する硅酸の四級アンモニウム塩
は溶媒に対する溶解性が良く、その電解液は高い電導度
を示し、凝固点〜沸点範囲の広い溶媒と伴に用いること
により、使用温度範囲の広いアルミ電解コンデンサ用電
解液となる。EFFECT OF THE INVENTION The quaternary ammonium salt of silicic acid used as a solute in the present invention has good solubility in a solvent, and its electrolytic solution exhibits high conductivity, and is used in combination with a solvent having a wide range of freezing point to boiling point. It is an electrolytic solution for aluminum electrolytic capacitors with a wide temperature range.
実験例 以下に実施例を挙げて本発明を更に具体的に説明する。Experimental Example The present invention will be described in more detail with reference to the following examples.
実施例１ γ−ブチロラクトン溶媒に20重量％の硅酸のテトラエチ
ルアンモニウム塩を溶解して電解液を得た。この電解液
の25℃における電導度は6.9mS/cmであり、＋、−−組の
アルミニウム平滑箔に4mA/cm2の低電流印加時の火花発
生電圧は120Vであつた。Example 1 An electrolyte solution was obtained by dissolving 20% by weight of tetraethylammonium salt of silicic acid in a γ-butyrolactone solvent. The electric conductivity of this electrolytic solution at 25 ° C. was 6.9 mS / cm, and the spark generation voltage was 120 V when a low current of 4 mA / cm 2 was applied to the + and −− sets of aluminum smooth foils.
実施例２ 実施例１において、γ−ブチロラクトン溶媒の代わり
に、N,N−ジメチルホルムアミド溶媒を使用した電解液
の電導度および火花発生電圧はそれぞれ13.4mS/cm、185
Vであつた。Example 2 In Example 1, the conductivity and the spark generation voltage of the electrolyte solution using N, N-dimethylformamide solvent instead of γ-butyrolactone solvent were 13.4 mS / cm and 185, respectively.
It was V.
実施例３ 実施例１において、γ−ブチロラクトン溶媒の代わり
に、プロピレンカーボネート溶媒を使用した電解液の電
導度および火花発生電圧はそれぞれ8.0mS/cm、300Vであ
つた。Example 3 In Example 1, the electric conductivity and the spark generation voltage of the electrolytic solution using a propylene carbonate solvent instead of the γ-butyrolactone solvent were 8.0 mS / cm and 300 V, respectively.
Claims (1)
用することを特徴とするアルミ電解コンデンサ用電解
液。1. An electrolytic solution for an aluminum electrolytic capacitor, wherein a quaternary aluminum salt of silicic acid is used as a solute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61144584A JPH0760779B2 (en) | 1986-06-20 | 1986-06-20 | Electrolytic solution for aluminum electrolytic capacitors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61144584A JPH0760779B2 (en) | 1986-06-20 | 1986-06-20 | Electrolytic solution for aluminum electrolytic capacitors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS631017A JPS631017A (en) | 1988-01-06 |
| JPH0760779B2 true JPH0760779B2 (en) | 1995-06-28 |
Family
ID=15365512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61144584A Expired - Fee Related JPH0760779B2 (en) | 1986-06-20 | 1986-06-20 | Electrolytic solution for aluminum electrolytic capacitors |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0760779B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01154509A (en) * | 1987-12-11 | 1989-06-16 | Nippon Chemicon Corp | Electrolyte for electrolytic capacitor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6132509A (en) * | 1984-07-25 | 1986-02-15 | 昭和電工株式会社 | Electrolyte for driving electrolytic condenser |
-
1986
- 1986-06-20 JP JP61144584A patent/JPH0760779B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS631017A (en) | 1988-01-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |