JPS635508A - Electrolyte for capacitor - Google Patents
Electrolyte for capacitorInfo
- Publication number
- JPS635508A JPS635508A JP14869786A JP14869786A JPS635508A JP S635508 A JPS635508 A JP S635508A JP 14869786 A JP14869786 A JP 14869786A JP 14869786 A JP14869786 A JP 14869786A JP S635508 A JPS635508 A JP S635508A
- Authority
- JP
- Japan
- Prior art keywords
- electrolyte
- quaternary phosphonium
- electrolytic solution
- capacitor
- nitric 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.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 title claims description 10
- 239000003792 electrolyte Substances 0.000 title description 7
- 150000004714 phosphonium salts Chemical group 0.000 claims description 10
- 239000008151 electrolyte solution Substances 0.000 claims description 9
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 8
- 229910017604 nitric acid Inorganic materials 0.000 claims description 8
- 239000002904 solvent Substances 0.000 description 11
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 4
- PMDCZENCAXMSOU-UHFFFAOYSA-N N-ethylacetamide Chemical compound CCNC(C)=O PMDCZENCAXMSOU-UHFFFAOYSA-N 0.000 description 4
- LKMVFSZYGHUDKW-UHFFFAOYSA-N dibutyl(diethyl)phosphanium Chemical compound CCCC[P+](CC)(CC)CCCC LKMVFSZYGHUDKW-UHFFFAOYSA-N 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- OZJPLYNZGCXSJM-UHFFFAOYSA-N 5-valerolactone Chemical compound O=C1CCCCO1 OZJPLYNZGCXSJM-UHFFFAOYSA-N 0.000 description 2
- ZXULZCCIIYDGCE-UHFFFAOYSA-N CC[PH3]C Chemical compound CC[PH3]C ZXULZCCIIYDGCE-UHFFFAOYSA-N 0.000 description 2
- PCYIUVKHYVQEPD-UHFFFAOYSA-N CC[PH3]CC Chemical compound CC[PH3]CC PCYIUVKHYVQEPD-UHFFFAOYSA-N 0.000 description 2
- SUAKHGWARZSWIH-UHFFFAOYSA-N N,N‐diethylformamide Chemical compound CCN(CC)C=O SUAKHGWARZSWIH-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
- AJFDBNQQDYLMJN-UHFFFAOYSA-N n,n-diethylacetamide Chemical compound CCN(CC)C(C)=O AJFDBNQQDYLMJN-UHFFFAOYSA-N 0.000 description 2
- BXYHVFRRNNWPMB-UHFFFAOYSA-N tetramethylphosphanium Chemical compound C[P+](C)(C)C BXYHVFRRNNWPMB-UHFFFAOYSA-N 0.000 description 2
- YGDBTMJEJNVHPZ-UHFFFAOYSA-N trimethyl(propyl)phosphanium Chemical compound CCC[P+](C)(C)C YGDBTMJEJNVHPZ-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
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 1
- OOWFYDWAMOKVSF-UHFFFAOYSA-N 3-methoxypropanenitrile Chemical compound COCCC#N OOWFYDWAMOKVSF-UHFFFAOYSA-N 0.000 description 1
- 239000001741 Ammonium adipate Substances 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
- 239000005456 alcohol based solvent Substances 0.000 description 1
- 125000002723 alicyclic group Chemical group 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- XCPGSFBEQZMSTL-UHFFFAOYSA-N butyl(triethyl)phosphanium Chemical compound CCCC[P+](CC)(CC)CC XCPGSFBEQZMSTL-UHFFFAOYSA-N 0.000 description 1
- YQPAAVMEUPILEE-UHFFFAOYSA-N butyl(trimethyl)phosphanium Chemical compound CCCC[P+](C)(C)C YQPAAVMEUPILEE-UHFFFAOYSA-N 0.000 description 1
- ARTHGSQAXVXICL-UHFFFAOYSA-N butyl(tripropyl)phosphanium Chemical compound CCCC[P+](CCC)(CCC)CCC ARTHGSQAXVXICL-UHFFFAOYSA-N 0.000 description 1
- 229930188620 butyrolactone Natural products 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- UUWXBQMAEMOZSL-UHFFFAOYSA-N dimethyl(dipropyl)phosphanium Chemical compound CCC[P+](C)(C)CCC UUWXBQMAEMOZSL-UHFFFAOYSA-N 0.000 description 1
- -1 dimethyldibutylphosphonium Propylphosphonium Chemical compound 0.000 description 1
- 239000003759 ester based solvent Substances 0.000 description 1
- IQLVJVXTKNBZRC-UHFFFAOYSA-N ethyl(trimethyl)phosphanium Chemical compound CC[P+](C)(C)C IQLVJVXTKNBZRC-UHFFFAOYSA-N 0.000 description 1
- ATSROVAZOQKRJM-UHFFFAOYSA-N ethyl(tripropyl)phosphanium Chemical compound CCC[P+](CC)(CCC)CCC ATSROVAZOQKRJM-UHFFFAOYSA-N 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
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- PLNPRGLZZXAKGE-UHFFFAOYSA-N methyl(tripropyl)phosphanium Chemical compound CCC[P+](C)(CCC)CCC PLNPRGLZZXAKGE-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
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- BJQWBACJIAKDTJ-UHFFFAOYSA-N tetrabutylphosphanium Chemical compound CCCC[P+](CCCC)(CCCC)CCCC BJQWBACJIAKDTJ-UHFFFAOYSA-N 0.000 description 1
- XOGCTUKDUDAZKA-UHFFFAOYSA-N tetrapropylphosphanium Chemical compound CCC[P+](CCC)(CCC)CCC XOGCTUKDUDAZKA-UHFFFAOYSA-N 0.000 description 1
- XKFPGUWSSPXXMF-UHFFFAOYSA-N tributyl(methyl)phosphanium Chemical compound CCCC[P+](C)(CCCC)CCCC XKFPGUWSSPXXMF-UHFFFAOYSA-N 0.000 description 1
- WJLSOXBTGDOFOQ-UHFFFAOYSA-N tributyl(propyl)phosphanium Chemical compound CCCC[P+](CCC)(CCCC)CCCC WJLSOXBTGDOFOQ-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
- Networks Using Active Elements (AREA)
- Electric Double-Layer Capacitors Or The Like (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（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、電解コンデンサには、従来よレエチレングリ
コールーアジピン酸アンモニウム系の電解液が使用され
ている。For example, electrolytic capacitors have conventionally used a leethylene glycol-ammonium adipate based electrolyte.
発明が解決しようとする問題点
シカシ、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抄、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 As the frequency of switching regulators has become higher in recent years, there is a need for capacitors with lower impedance or lower equivalent series resistance, and the development of electrolytes with higher conductivity is desired. .
問題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べく鋭意
検討を行ない、硝酸の四級ホスホニウム塩が高い電導塵
を示すことを見ｒ出し本発明を完成した。Means for Solving the Problem The present inventors conducted extensive research to find an electrolytic solution with high conductive dust, found that a quaternary phosphonium salt of nitric acid exhibits high conductive dust, and completed the present invention.
即ち、本発明は硝酸の四級ホスホ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 in that a quaternary phosphonium salt of nitric acid is used 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硝酸の四級ホスホ
ニウム塩における四級ホスホニウム塩としては、テトラ
メチルホスホニウム、テトラメチルホスホニウム、テト
ラプロピルホスホニウム、テトラブチルホスホニウム、
メチルトリニブルホスホニウム、メチルトリプロピルホ
スホニウム、メチルトリブチルホスホニウム、ジエチル
ジブチルホスホニウム、ジメチルジプロピルホスホニウ
ム、ジエチルジブチルホスホニウム、トリメチルエチル
ホスホニウム、トリメチルプロピルホスホニウム、トリ
メチルブチルホスホニウム、エチルトリプロピルホスホ
ニウム、ニブルトリブチルホスホニウム、ジメチルジプ
ロピルホスホニウム、ジエチルジブチルホスホニウム、
トリメチルプロピルホスホニウム、トリエチルブチルホ
スホニウム、プロピルトリブチルホスホニウム、ジエチ
ルジブチルホスホニウム、トリプロピルブチルホスホニ
ウム等の脂肪族四級ホスホニウム塩および１．１−ジメ
チルホスホラニウム、１−メチル−１−エチルホスホラ
ニウム、１，１−ジエチルホスホラニウム、ｌ、１−ジ
エチルホスホラニウム、１−メチル−１−エチルホスホ
ラニウム、１．１−ジエチルホスホラニウム、１，１−
ペンタメデレンホスホリナニウム等の脂環式四級ホスホ
ニウム塩を例示することができる。Detailed Description of the Invention Examples of the quaternary phosphonium salt of nitric acid used as a solute in the present invention include tetramethylphosphonium, tetramethylphosphonium, tetrapropylphosphonium, tetrabutylphosphonium,
Methyltrinibblephosphonium, methyltripropylphosphonium, methyltributylphosphonium, diethyldibutylphosphonium, dimethyldipropylphosphonium, diethyldibutylphosphonium, trimethylethylphosphonium, trimethylpropylphosphonium, trimethylbutylphosphonium, ethyltripropylphosphonium, nibbletributylphosphonium, dimethyldibutylphosphonium Propylphosphonium, diethyldibutylphosphonium,
Aliphatic quaternary phosphonium salts such as trimethylpropylphosphonium, triethylbutylphosphonium, propyltributylphosphonium, diethyldibutylphosphonium, tripropylbutylphosphonium, and 1.1-dimethylphosphoranium, 1-methyl-1-ethylphosphoranium, 1 , 1-diethylphosphoranium, l, 1-diethylphosphoranium, 1-methyl-1-ethylphosphoranium, 1,1-diethylphosphoranium, 1,1-
Examples include alicyclic quaternary phosphonium salts such as pentamedelenephospholinanium.
本発明の硝酸の四級ホスホ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−ジエチルホルムアミド、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−ジエチルアセトアミド、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、ｒ−プチロラクトン、Ｔ−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、クリ
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媒の単独あるい
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 the solvent for dissolving the quaternary phosphonium salt of nitric acid of the present invention include N-methylformamide, N-ethylformamide, N,N-diethylformamide, N,N-diethylformamide, N-ethylacetamide, N-ethylacetamide, N,N-diethylacetamide, N,N
- Amide solvents such as diethylacetamide and N-methylpyrrolidinone, lactone solvents such as r-butyrolactone, T-valerolactone, and δ-valerolactone, carbonate solvents such as ethylene carbonate, propylene carbonate, and butylene carbonate, ethylene glycol, chrycerin, and methyl Examples include alcohol solvents such as cellosolve, nitrile solvents such as 3-methoxypropionitrile, and phosphoric acid ester solvents such as trimethyl phosphate, either alone or in combination. Among these, γ
- A solvent mainly composed of butyrolactone is particularly preferable because it has low toxicity and is less likely to attack capacitor sealants or contain halogens.
上記溶媒に対する硝酸の四級ホスホニウム塩の溶解量は
飽和濃度以下、好ましくは１〜４０重量警である。The amount of the quaternary phosphonium salt of nitric acid dissolved in the above solvent is below the saturation concentration, preferably 1 to 40 mw.
本発明の電解液は、本質的には、硝酸の四級ホスホニウ
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 phosphonium salt of nitric 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硝酸の四級ホスホニウム塩
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
によ抄、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 phosphonium salt of nitric acid used as a solute in the present invention has good solubility in solvents, and its electrolyte exhibits high conductivity. This is an electrolyte for capacitors that can be used in 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 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重量シの硝酸のテトラニ
ブルホスホ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１５．３ｍｓ／ｌＩであっ
た。Example 1 An electrolytic solution was obtained by dissolving 20 wt. The conductivity of this electrolytic solution at 25° C. was 15.3 ms/lI.
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すに
、Ｎ、Ｎ−ジメチルホルムアミド溶媒を使用した電解液
を作成した。この電解液の電導度は２０．６ ｍ８７ｃ
ｍであった。Example 2 In Example 1, an electrolytic solution was prepared using N,N-dimethylformamide solvent instead of the γ-butyrolactone solvent. The conductivity of this electrolyte is 20.6 m87c
It was m.
Claims (1)
特徴とするコンデンサ用電解液。An electrolytic solution for capacitors characterized by using a quaternary phosphonium salt of nitric acid as a solute.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14869786A JPS635508A (en) | 1986-06-25 | 1986-06-25 | Electrolyte for capacitor |
| DE8787304335T DE3768141D1 (en) | 1986-05-20 | 1987-05-15 | ELECTROLYTIC SOLUTION OF QUATERNAIAL SALTS FOR ELECTROLYTIC CAPACITOR. |
| EP87304335A EP0246825B1 (en) | 1986-05-20 | 1987-05-15 | Quaternary salt solution electrolyte for electrolytic capacitors |
| US07/050,574 US4774011A (en) | 1986-05-20 | 1987-05-18 | Electrolyte for aluminum electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14869786A JPS635508A (en) | 1986-06-25 | 1986-06-25 | Electrolyte for capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS635508A true JPS635508A (en) | 1988-01-11 |
Family
ID=15458573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14869786A Pending JPS635508A (en) | 1986-05-20 | 1986-06-25 | Electrolyte for capacitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS635508A (en) |
-
1986
- 1986-06-25 JP JP14869786A patent/JPS635508A/en active Pending
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