JPS631017A - Electrolyte for capacitor - Google Patents
Electrolyte for capacitorInfo
- Publication number
- JPS631017A JPS631017A JP14458486A JP14458486A JPS631017A JP S631017 A JPS631017 A JP S631017A JP 14458486 A JP14458486 A JP 14458486A JP 14458486 A JP14458486 A JP 14458486A JP S631017 A JPS631017 A JP S631017A
- Authority
- JP
- Japan
- Prior art keywords
- quaternary ammonium
- electrolytic solution
- electrolyte
- capacitor
- silicic 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 10
- 239000003792 electrolyte Substances 0.000 title description 7
- 239000008151 electrolyte solution Substances 0.000 claims description 10
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims description 8
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 8
- 235000012239 silicon dioxide Nutrition 0.000 claims description 8
- 239000002904 solvent Substances 0.000 description 14
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 8
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- 239000000428 dust Substances 0.000 description 6
- -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
- PMDCZENCAXMSOU-UHFFFAOYSA-N N-ethylacetamide Chemical compound CCNC(C)=O PMDCZENCAXMSOU-UHFFFAOYSA-N 0.000 description 2
- ATHHXGZTWNVVOU-UHFFFAOYSA-N N-methylformamide Chemical compound CNC=O ATHHXGZTWNVVOU-UHFFFAOYSA-N 0.000 description 2
- GAEKPEKOJKCEMS-UHFFFAOYSA-N gamma-valerolactone Chemical compound CC1CCC(=O)O1 GAEKPEKOJKCEMS-UHFFFAOYSA-N 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 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
- GARJMFRQLMUUDD-UHFFFAOYSA-N 1,1-dimethylpyrrolidin-1-ium Chemical compound C[N+]1(C)CCCC1 GARJMFRQLMUUDD-UHFFFAOYSA-N 0.000 description 1
- 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
- OOWFYDWAMOKVSF-UHFFFAOYSA-N 3-methoxypropanenitrile Chemical compound COCCC#N OOWFYDWAMOKVSF-UHFFFAOYSA-N 0.000 description 1
- DDTKKBPLYQZNLK-UHFFFAOYSA-N C(C)[N+](CC)(CC)CC.[Si](O)(O)(O)O Chemical compound C(C)[N+](CC)(CC)CC.[Si](O)(O)(O)O DDTKKBPLYQZNLK-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 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
- OHLUUHNLEMFGTQ-UHFFFAOYSA-N N-methylacetamide Chemical compound CNC(C)=O OHLUUHNLEMFGTQ-UHFFFAOYSA-N 0.000 description 1
- 150000008043 acidic salts Chemical class 0.000 description 1
- 239000005456 alcohol based solvent Substances 0.000 description 1
- 238000005536 corrosion prevention 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
- 239000003759 ester based solvent Substances 0.000 description 1
- QUSNBJAOOMFDIB-UHFFFAOYSA-O ethylaminium Chemical compound CC[NH3+] QUSNBJAOOMFDIB-UHFFFAOYSA-O 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
- VFOJFWOVDZGATC-UHFFFAOYSA-N methyl(tripropyl)azanium Chemical compound CCC[N+](C)(CCC)CCC VFOJFWOVDZGATC-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture 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
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- DZLFLBLQUQXARW-UHFFFAOYSA-N tetrabutylammonium Chemical compound CCCC[N+](CCCC)(CCCC)CCCC DZLFLBLQUQXARW-UHFFFAOYSA-N 0.000 description 1
- CBXCPBUEXACCNR-UHFFFAOYSA-N tetraethylammonium Chemical compound CC[N+](CC)(CC)CC CBXCPBUEXACCNR-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
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Electric Double-Layer Capacitors Or The Like (AREA)
- Networks Using Active Elements (AREA)
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
本発明によれば、電導塵の高い優れたコンデンサ用電解
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 Application According to the present invention, an excellent electrolytic solution for capacitors (hereinafter sometimes simply referred to as electrolytic solution) with high conductive dust can be obtained.
従来の技術
］ンデンサの特性は種々の要因によって決定されている
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（Ｅ Ｓ Ｒ）に大きな影響を及ぼすことが判明して
いる。[Prior art] The characteristics of a capacitor are determined by various factors, but in particular, the characteristics of the electrolyte that is housed in the outer case together with the capacitor element have a large effect on the impedance or equivalent series resistance (ESR). It is clear that
たとえば、電解コンデンサには、従来よりエチレンクリ
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, ethylene glycol-ammonium adipate-based electrolytes have been used in electrolytic capacitors.
発明が解決しようとする問題点
しかし、近年のスイッチングレギュ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, as the frequencies of switching regulators have become higher in recent years, capacitors with lower impedance or lower equivalent series resistance are required, and the development of electrolytes with high conductivity is desired.
問題点を解決するための手段
本発明者らは、電導塵の高い電解液を見い出すぺ〈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塵
を示すことを見い出し本発明を完成した。Means for Solving the Problems The present inventors conducted intensive studies to find an electrolytic solution with high conductive dust, and found that a quaternary ammonium salt of silicic acid exhibits high conductive dust, 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 a capacitor characterized by using a quaternary ammonium salt of silicic acid as a solute.
発明の詳細な説明
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
エテルアンモニウム、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） ＩＪ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
プチルアンモニタム、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、エチルトリフロビルアンモニウム、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
ビベリジニウム、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 Examples of the quaternary ammonium salt of silicic acid used as a solute in the present invention include tetraethylammonium, tetrapropylammonium, tetrabutylammonium, methyl) IJ ethylammonium, methyl tripropylammonium, Methyltriptylammonium, dimethyldiethylammonium,
Aliphatic quaternary ammonium salts such as dimethyldipropylammonium, dimethyldibutylammonium, ethyltriflobylammonium, ethyltributylammonium, N,N-dimethylpyrrolidinium, N,N-dimethylbiveridinium, N-methyl- N-ethylpyrrolidinium, N-methyl-N-ethylpiperidinium, N,N-
Examples include alicyclic quaternary ammonium salts such as pentamethylene piperidinium and aromatic quaternary ammonium salts such as N-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−メチルアセトアミド、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−バレロラクトン
、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、メチルセロンルブ等のアルコール溶媒、３−メ
トキシプロピオニ） ＩＪル等のニトリル溶媒、および
トリメチルホスフェート等の燐酸エステル溶媒の単独ち
るいは混合溶媒を例示することができる。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、
コンデンサの封孔剤のアタッ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。Examples of solvents for dissolving the quaternary ammonium salt of silicic acid of the present invention include N-methylformamide, N-ethylformamide, N,N-dimethylformamide, N,N-diethylformamide, N-methylacetamide, and N-ethylacetamide. , N, N-dimethylacetamide, N, N
- Amide solvents such as diethylacetamide and N-methylpyrrolidinone, lactone solvents such as γ-butyrolactone, γ-valerolactone, and δ-valerolactone, carbonate solvents such as ethylene carbonate, propylene carbonate, butylene carbonate, ethylene glycol, glycerin, methyl Examples include alcohol solvents such as Selonlube, nitrile solvents such as 3-methoxypropionitrile, and phosphoric acid ester solvents such as trimethyl phosphate, either alone or as a mixture. Among these, solvents mainly composed of γ-butyrolactone have low toxicity;
It is particularly preferable because it is less likely to be attacked by the capacitor sealant and less likely to be contaminated with halogen.
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＠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 above solvent is below saturation, 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。Further, 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、！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! Corrosion prevention, leakage current reduction, etc.
Small amounts of co-solutes may be added for various purposes.
Ｂ里旦然二
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塵
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コンデンサ用電解液となる
。The quaternary ammonium salt of silicic acid used as a solute in the present invention has good solubility in solvents, and its electrolyte exhibits high conductive dust. This is an electrolyte for capacitors that can be used over 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 EXAMPLES The present invention will be explained in more detail with reference to Examples below.
実施例１
ｒ−ブチロラクトン溶媒に２０重＠％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℃における這導度は６．９ｍ ３／ｃｍでｓす
、十、−一組のアルミニウム平滑箔に４ ｍ ｔｖ’ｃ
ｒＡの定電流印加時の火花発生＋１イ圧は１２０Ｖであ
った。Example 1 An electrolytic solution was obtained by dissolving 20% by weight of tetraethylammonium silicic acid in an r-butyrolactone solvent. The conductivity of this electrolyte at 25°C is 6.9 m 3 /cm s.
The spark generation +1 voltage when applying a constant current of rA was 120V.
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
の電導塵および火花発生ば圧はそれぞれ１３．４ ｍＳ
／ｃｎｔ、 １８５ Ｖであった。Example 2 In Example 1, the conductive dust and spark generation pressures of the electrolytic solution using N,N-dimethylformamide solvent instead of the γ-butyrolactone solvent were each 13.4 mS.
/cnt, 185 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
塵および火花発生電圧はそれぞれ８．０ ｍＳ／ｃＭ、
３００ Ｖであった。Example 3 In Example 1, the conductive dust and spark generation voltage of the electrolytic solution using propylene carbonate solvent instead of γ-butyrolactone solvent were 8.0 mS/cM, respectively.
It was 300V.
Claims (1)
を特徴とするコンデンサ用電解液。An electrolytic solution for capacitors characterized by using a quaternary ammonium salt of silicic acid 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 true JPS631017A (en) | 1988-01-06 |
| JPH0760779B2 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01154509A (en) * | 1987-12-11 | 1989-06-16 | Nippon Chemicon Corp | Electrolyte for electrolytic capacitor |
Citations (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
Patent Citations (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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01154509A (en) * | 1987-12-11 | 1989-06-16 | Nippon Chemicon Corp | Electrolyte for electrolytic capacitor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0760779B2 (en) | 1995-06-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |