JPS631019A - Electrolyte for capacitor - Google Patents
Electrolyte for capacitorInfo
- Publication number
- JPS631019A JPS631019A JP14458686A JP14458686A JPS631019A JP S631019 A JPS631019 A JP S631019A JP 14458686 A JP14458686 A JP 14458686A JP 14458686 A JP14458686 A JP 14458686A JP S631019 A JPS631019 A JP S631019A
- Authority
- JP
- Japan
- Prior art keywords
- electrolytic solution
- quaternary ammonium
- carbonate
- capacitor
- electrolyte
- 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 10
- 239000003792 electrolyte Substances 0.000 title description 4
- 239000008151 electrolyte solution Substances 0.000 claims description 13
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims description 8
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 6
- 239000002904 solvent Substances 0.000 description 14
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 13
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 11
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 5
- -1 Aliphatic quaternary ammonium salts Chemical class 0.000 description 3
- 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
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical class CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- ZJHQDSMOYNLVLX-UHFFFAOYSA-N diethyl(dimethyl)azanium Chemical compound CC[N+](C)(C)CC ZJHQDSMOYNLVLX-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- GAEKPEKOJKCEMS-UHFFFAOYSA-N gamma-valerolactone Chemical compound CC1CCC(=O)O1 GAEKPEKOJKCEMS-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
- 239000011976 maleic acid Substances 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
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 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
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- SFPQDYSOPQHZAQ-UHFFFAOYSA-N 2-methoxypropanenitrile Chemical compound COC(C)C#N SFPQDYSOPQHZAQ-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
- 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
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- HVMLGVVFRKCJOV-UHFFFAOYSA-N dibutyl(dimethyl)azanium Chemical compound CCCC[N+](C)(C)CCCC HVMLGVVFRKCJOV-UHFFFAOYSA-N 0.000 description 1
- 239000003759 ester based solvent Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 235000011187 glycerol Nutrition 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
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- VFOJFWOVDZGATC-UHFFFAOYSA-N methyl(tripropyl)azanium Chemical compound CCC[N+](C)(CCC)CCC VFOJFWOVDZGATC-UHFFFAOYSA-N 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
- 150000002825 nitriles Chemical class 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000000243 solution 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
- PSURFDQPSMCWMT-UHFFFAOYSA-L tetraethylphosphanium;carbonate Chemical compound [O-]C([O-])=O.CC[P+](CC)(CC)CC.CC[P+](CC)(CC)CC PSURFDQPSMCWMT-UHFFFAOYSA-L 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
- 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、電導間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 conductivity 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（ＥＳＲ）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 it has been found that the characteristics of the electrolyte that is housed in the outer case together with the capacitor element have a particularly large effect on the impedance or equivalent series resistance (ESR). are doing.
たとえば、低圧用電解コンデンサには、γ−ブチロラク
トン溶媒にマレイン酸のトリエチルアミン塩等を溶解し
た電解液が使用てれている。For example, low-voltage electrolytic capacitors use an electrolytic solution in which a triethylamine salt of maleic acid or the like is dissolved in a γ-butyrolactone solvent.
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し、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 frequency of switching regulators has become higher in recent years, capacitors with lower impedance or lower equivalent series resistance are no longer required, and it is desired to develop an electrolytic solution with high conductivity.
問題点を解決するための手段
本発明者らは、電導間の高い電解液を見い出すべく鋭意
検討を行ない、炭酸の四級アンモニウム塩が高い電導間
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 a high conductivity, and found that a quaternary ammonium salt of carbonate exhibits a high conductivity, and completed the present invention.
即ち、本発明は炭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 carbonic 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炭酸の四級アンモ
ニウム塩罠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） 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
ブチルアンモニウム、ジメチルジエチルアンモニウム、
ジメチルジエチルアンモニウム、ジメチルジブチルアン
モニウム、エチルト＋）７’ロピルアンモニウム、エテ
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 In the present invention, quaternary ammonium salts of carbonic acid used as solutes include tetraethylammonium, tetrapropylammonium, tetrabutylammonium, methyl) IJethylammonium, methyl tripropylammonium, methyl Tributylammonium, dimethyldiethylammonium,
Aliphatic quaternary ammonium salts such as dimethyldiethylammonium, dimethyldibutylammonium, ethylt+)7'ropylammonium, ethyltributylammonium, N,N-dimethylpyrrolidinium, N,N-dimethylpiperidinium, 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.
本発明の炭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）’、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、フ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
リメチルホスフェート等の燐酸エステル溶伐の単独ある
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・・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 carbonic acid of the present invention include N-methylformamide, N-ethylformamide, N,N-dimethylformamide, N,N-diethylformamide, N-methylacetamide, N- Ethylacetamide, N, N-dimethylacetamide, N,
Amide solvents such as N-diethylacetamide and N-methylpyrrolidinone, lactone solvents such as γ-butyrolactone, γ-valerolactone, and δ-valerolactone, carbonate solvents such as ethylene carbonate, flopylene carbonate, and butylene carbonate, ethylene glycol, and glycerin. , alcohol solvents such as methyl cellosolve, 3-
Examples include nitrile solvents such as methoxypropionitrile, and phosphoric acid ester solvents such as trimethyl phosphate alone or in combination. Among these, a solvent mainly composed of γ-butyrolactone is particularly preferable because it has low toxicity and is less likely to attack capacitor sealants or be contaminated with rogens.
上記溶媒に対する炭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５〜４０重縫にである。The amount of the quaternary ammonium salt of carbonate dissolved in the above solvent is below the saturation concentration, preferably 5 to 40 times.
また、上記電解液中の溶解塩は中佳塩でも酸性塩でも良
い。Further, the dissolved salt in the electrolytic solution may be a moderate salt or an acidic salt.
本発明の電解液は、本質的には、炭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 carbonic acid and a solvent, but has the following properties: prevention of galvanic corrosion, reduction of leakage current, etc.
Small amounts of co-solutes may be added for various purposes.
発明の効果
本発明で溶質として使用する炭酸の四級アンモニウム塩
は溶媒に対する溶解性が良く、そのに解液は高い電導度
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コンデンサ用電解液となる
。Effects of the Invention The quaternary ammonium salt of carbonic acid used as a solute in the present invention has good solubility in solvents, and its solution shows high conductivity. This is an electrolyte for capacitors that has a wide temperature range.
実験例
以下に実施例、比較例を挙げて本発明を更に具体的に説
明する。EXPERIMENTAL EXAMPLES The present invention will be explained in more detail below with reference to Examples and Comparative Examples.
実施例１
γ−ブチロラクトン溶媒に２０重ｅ％の炭酸のテトラエ
テルアンモニウム塩を溶解させて″電解液を得た。この
電解液の２５℃における電導度はｃ＋、６ｍｓ／ｃｙ＋
＋であり、＋、−一組のアルミニウム平滑箔に４ ｍＡ
／智の定電流印加時の火花発生電圧は１２５ｖであった
。Example 1 An electrolytic solution was obtained by dissolving 20% by weight of tetraethelammonium carbonate in a γ-butyrolactone solvent.The conductivity of this electrolytic solution at 25°C was c+, 6ms/cy+
+, +, - 4 mA to a pair of aluminum smooth foils
The spark generation voltage when a constant current was applied was 125V.
実施例２．３
実施例１において、γ−ブチロラクトン醇媒の代わりに
Ｎ、Ｎ−ジメチルホルムアミド溶媒（実施例２）、プロ
ピレンカーボネート溶媒（実施例３）を使用した電解液
を作成した。その電解液の電導度および火花発生電圧を
第１表に示した。Example 2.3 In Example 1, an electrolytic solution was prepared using N,N-dimethylformamide solvent (Example 2) and propylene carbonate solvent (Example 3) instead of the γ-butyrolactone solvent. The conductivity and spark generation voltage of the electrolyte are shown in Table 1.
比較例
実施例１において、炭酸のテトラエチルホスホニウム塩
の代わりに、マレイン酸のトリエチルアミン塩を使用し
た電解液の電導度および火花発生電圧を第１表に示した
。Comparative Example Table 1 shows the conductivity and spark generation voltage of the electrolytic solution in which triethylamine salt of maleic acid was used instead of tetraethylphosphonium carbonate salt in Example 1.
なお、第１表では次の略号を使用した。In Table 1, the following abbreviations were used.
ＧＢＬ：γ−ブチロラクトン
ＤＭＦ：Ｎ、Ｎ−ジメチルホルムアミドＰＣ：プロピレ
ンカーボネート
第１表GBL: γ-butyrolactone DMF: N,N-dimethylformamide PC: Propylene carbonate Table 1
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 carbonate as a solute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14458686A JPS631019A (en) | 1986-06-20 | 1986-06-20 | Electrolyte for capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14458686A JPS631019A (en) | 1986-06-20 | 1986-06-20 | Electrolyte for capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS631019A true JPS631019A (en) | 1988-01-06 |
Family
ID=15365546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14458686A Pending JPS631019A (en) | 1986-06-20 | 1986-06-20 | Electrolyte for capacitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS631019A (en) |
-
1986
- 1986-06-20 JP JP14458686A patent/JPS631019A/en active Pending
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