JPS6314416A - Electrolyte for capacitor - Google Patents
Electrolyte for capacitorInfo
- Publication number
- JPS6314416A JPS6314416A JP15896286A JP15896286A JPS6314416A JP S6314416 A JPS6314416 A JP S6314416A JP 15896286 A JP15896286 A JP 15896286A JP 15896286 A JP15896286 A JP 15896286A JP S6314416 A JPS6314416 A JP S6314416A
- Authority
- JP
- Japan
- Prior art keywords
- electrolyte
- quaternary phosphonium
- electrolytic solution
- capacitor
- solvent
- 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 6
- 150000004714 phosphonium salts Chemical group 0.000 claims description 11
- 239000008151 electrolyte solution Substances 0.000 claims description 10
- 239000002253 acid Substances 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 11
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 11
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 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
- 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
- LKMVFSZYGHUDKW-UHFFFAOYSA-N dibutyl(diethyl)phosphanium Chemical compound CCCC[P+](CC)(CC)CCCC LKMVFSZYGHUDKW-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- BJQWBACJIAKDTJ-UHFFFAOYSA-N tetrabutylphosphanium Chemical compound CCCC[P+](CCCC)(CCCC)CCCC BJQWBACJIAKDTJ-UHFFFAOYSA-N 0.000 description 2
- SZWHXXNVLACKBV-UHFFFAOYSA-N tetraethylphosphanium Chemical compound CC[P+](CC)(CC)CC SZWHXXNVLACKBV-UHFFFAOYSA-N 0.000 description 2
- BXYHVFRRNNWPMB-UHFFFAOYSA-N tetramethylphosphanium Chemical compound C[P+](C)(C)C BXYHVFRRNNWPMB-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
- 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
- BYHZPCZRCSCPHG-UHFFFAOYSA-N C[PH3]C Chemical compound C[PH3]C BYHZPCZRCSCPHG-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
- PMDCZENCAXMSOU-UHFFFAOYSA-N N-ethylacetamide Chemical compound CCNC(C)=O PMDCZENCAXMSOU-UHFFFAOYSA-N 0.000 description 1
- OHLUUHNLEMFGTQ-UHFFFAOYSA-N N-methylacetamide Chemical compound CNC(C)=O OHLUUHNLEMFGTQ-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
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000009835 boiling Methods 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
- 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
- BBWVMXYKVQQWCK-UHFFFAOYSA-N dibutyl(dimethyl)phosphanium Chemical compound CCCC[P+](C)(C)CCCC BBWVMXYKVQQWCK-UHFFFAOYSA-N 0.000 description 1
- RBECNRCKEQGFRU-UHFFFAOYSA-N diethyl(dimethyl)phosphanium Chemical compound CC[P+](C)(C)CC RBECNRCKEQGFRU-UHFFFAOYSA-N 0.000 description 1
- MVAZVRJQAZHEAE-UHFFFAOYSA-N diethyl(dipropyl)phosphanium Chemical compound CCC[P+](CC)(CC)CCC MVAZVRJQAZHEAE-UHFFFAOYSA-N 0.000 description 1
- UUWXBQMAEMOZSL-UHFFFAOYSA-N dimethyl(dipropyl)phosphanium Chemical compound CCC[P+](C)(C)CCC UUWXBQMAEMOZSL-UHFFFAOYSA-N 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
- 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
- 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
- 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
- -1 r-valerolactone Chemical compound 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- XOGCTUKDUDAZKA-UHFFFAOYSA-N tetrapropylphosphanium Chemical compound CCC[P+](CCC)(CCC)CCC XOGCTUKDUDAZKA-UHFFFAOYSA-N 0.000 description 1
- HOMONHWYLOPSLL-UHFFFAOYSA-N tributyl(ethyl)phosphanium Chemical compound CCCC[P+](CC)(CCCC)CCCC HOMONHWYLOPSLL-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
- TZWFFXFQARPFJN-UHFFFAOYSA-N triethyl(methyl)phosphanium Chemical compound CC[P+](C)(CC)CC TZWFFXFQARPFJN-UHFFFAOYSA-N 0.000 description 1
- PGFKTVMMTHIEKT-UHFFFAOYSA-N triethyl(propyl)phosphanium Chemical compound CCC[P+](CC)(CC)CC PGFKTVMMTHIEKT-UHFFFAOYSA-N 0.000 description 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 1
- YGDBTMJEJNVHPZ-UHFFFAOYSA-N trimethyl(propyl)phosphanium Chemical compound CCC[P+](C)(C)C YGDBTMJEJNVHPZ-UHFFFAOYSA-N 0.000 description 1
- KCTAHLRCZMOTKM-UHFFFAOYSA-O tripropylphosphanium Chemical compound CCC[PH+](CCC)CCC KCTAHLRCZMOTKM-UHFFFAOYSA-O 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.
従来の技術と問題点
コ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個直列抵
抗（ＥＳＲ）に大きな影響を及ぼすことが判明している
。Conventional technology and problems 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 impedance or equal series resistance (ESR). It turns out that this is true.
たとえば、電解コンデンサには、従来よりエチレングリ
コール−アジピン酸アンモニウム系のｉ電解液が使用さ
れているう 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。For example, electrolytic capacitors have conventionally used an ethylene glycol-ammonium adipate-based i-electrolyte. However, as switching regulators have become higher frequency in recent years, capacitors with even lower impedance or lower equivalent series resistance have been used. Therefore, it is desired to develop an electrolytic solution with high conductivity.
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、硼弗化水素酸の四級ホスホニウム塩が高
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 Problem The present inventors conducted intensive studies to find an electrolytic solution with high conductive dust, and discovered that a quaternary phosphonium salt of borofluoric acid exhibits high conductive dust, and completed the present invention. did.
即ち、本発明は硼弗化水素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 by using a quaternary phosphonium salt of borofluoric 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硼弗化水素酸の四
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、テトラエチルホスホニウ
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、メチルトリエチルホスホニウム、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、
ジメチルジエチルホスホニウム、ジメチルジプロピルホ
スホニウム、ジメ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、エチルトリブチルホスホニウム、ジエ
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、トリエ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、
１，１−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．ｌ−ペンタメテ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 quaternary phosphonium salts in the quaternary phosphonium salt of borofluoric acid used as a solute in the present invention include tetramethylphosphonium, tetraethylphosphonium, tetrapropylphosphonium, tetrabutylphosphonium, methyltriethylphosphonium, and methyl. tripropylphosphonium, methyltributylphosphonium,
Dimethyldiethylphosphonium, dimethyldipropylphosphonium, dimethyldibutylphosphonium, trimethylethylphosphonium, trimethylpropylphosphonium, trimethylbutylphosphonium, ethyltripropylphosphonium, ethyltributylphosphonium, diethyldipropylphosphonium, diethyldibutylphosphonium, triethylpropylphosphonium, triethylbutylphosphonium , aliphatic quaternary phosphonium salts such as propyltributylphosphonium, diethyldibutylphosphonium, tripropylbutylphosphonium, and 1
, 1-dimethylphosphoranium, 1-methyl-1-ethylphosphoranium, 1.1-diethylphosphoranium,
1,1-diethylphosphoranium, 1-methyl-1-ethylphosphoranium, 1,1-diethylphosphoranium, 1. Examples include alicyclic quaternary phosphonium salts such as l-pentamthelenephospholinanium.
本発明の硼弗化水素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、ｒ−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・・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 phosphonium salt of borofluoric acid of the present invention include N-methylformamide, N-ethylformamide, N,N-dimethylformamide, N,N
-diethylformamide, N-methylacetamide, N
- Amide solvents such as ethylacetamide, N,N-dimethylacetamide, N,N-diethylacetamide, N-methylpyrrolidinone, lactone solvents such as γ-butyrolactone, r-valerolactone, δ-valerolactone, ethylene carbonate, propylene carbonate Examples include carbonate solvents such as butylene carbonate, alcohol solvents such as ethylene glycol, glycerin, and methyl cellosolve, nitrile solvents such as 3-methoxypropionitrile, and phosphoric acid ester solvents such as trimethyl phosphate, either 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.
上記溶媒に対する硼弗化水素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ｌ／′ｉ５〜４０重な
％である。The amount of the quaternary phosphonium salt of borofluoric acid dissolved in the above solvent is below the saturation concentration, preferably l/'i 5 to 40%.
本発明の電解液は、本質的には、硼弗化水素酸の四級ホ
スホニウム塩と溶媒よ妙なるが電蝕防止、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差し支えな
い。The electrolytic solution of the present invention essentially consists of a quaternary phosphonium salt of borofluoric acid and a solvent, with small amounts of co-solutes added for various purposes such as preventing galvanic corrosion and reducing leakage current. No problem.
発明の効果
本発明で溶質として使用する硼弗化水素酸の四級ホスホ
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 phosphonium salt of borofluoric acid used as a solute in the present invention has good solubility in solvents, its electrolyte exhibits high conductivity, and can be used in conjunction with a solvent with a wide range of freezing point to boiling point. This results in 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
γ−ブチロラクトン溶媒に２０重＠％の硼弗化テトラエ
テルホスホニウムを溶解して電解液を得た。この電解液
の２５℃における成導度は１７．７ｍｓ／ｚであった。Example 1 An electrolytic solution was obtained by dissolving 20% by weight of tetraetherphosphonium borofluoride in a γ-butyrolactone solvent. The conductivity of this electrolytic solution at 25° C. was 17.7 ms/z.
また、この電解液に＋、−−組のアルミニウム平滑箔を
浸して４ｍＶ−の一定電流を印加し、陽極上に酸化皮膜
を形成した。この時の到達電圧は８５Ｖであった。Further, aluminum smooth foils of + and - groups were immersed in this electrolytic solution and a constant current of 4 mV- was applied to form an oxide film on the anode. The voltage reached at this time was 85V.
実施例２．３
実施例１において、硼弗化テトラエチルホスホニウムの
代わりに、硼弗化テトラメチルホスホニウム（実施例２
）、硼弗化テトラブチルホスホニウム（実施例３）を使
用した電解液の成導度を第１表に示した。Example 2.3 In Example 1, tetramethylphosphonium borofluoride (Example 2) was used instead of tetraethylphosphonium borofluoride.
) and tetrabutylphosphonium borofluoride (Example 3) are shown in Table 1.
実施例４．５
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（実施例４）、プ
ロピレンカーボネート溶媒（実施例５）を使用した電解
液の゛ル導度を第１表に示した。Example 4.5 In Example 1, the conductivity of the electrolyte was evaluated using N,N-dimethylformamide solvent (Example 4) and propylene carbonate solvent (Example 5) instead of the γ-butyrolactone solvent. It is shown in Table 1.
なお、第１表では次の略号を便用した。In Table 1, the following abbreviations are used for convenience.
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
（以下余白）
第１表GBL: γ-butyrolactone DMF: N,N-dimethylformamide PC: Propylene carbonate (blank below) Table 1
Claims (1)
ること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 phosphonium salt of borofluoric acid as a solute.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15896286A JPS6314416A (en) | 1986-07-07 | 1986-07-07 | Electrolyte for capacitor |
| EP87304335A EP0246825B1 (en) | 1986-05-20 | 1987-05-15 | Quaternary salt solution electrolyte for electrolytic capacitors |
| DE8787304335T DE3768141D1 (en) | 1986-05-20 | 1987-05-15 | ELECTROLYTIC SOLUTION OF QUATERNAIAL SALTS FOR ELECTROLYTIC CAPACITOR. |
| 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 |
|---|---|---|---|
| JP15896286A JPS6314416A (en) | 1986-07-07 | 1986-07-07 | Electrolyte for capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6314416A true JPS6314416A (en) | 1988-01-21 |
Family
ID=15683161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15896286A Pending JPS6314416A (en) | 1986-05-20 | 1986-07-07 | Electrolyte for capacitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6314416A (en) |
-
1986
- 1986-07-07 JP JP15896286A patent/JPS6314416A/en active Pending
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| JPS631014A (en) | Electrolyte for capacitor | |
| JPS6314417A (en) | Electrolyte for capacitor | |
| JPS62145714A (en) | Electrolyte for electrolytic capacitor | |
| JPS635508A (en) | Electrolyte for capacitor | |
| JPS631016A (en) | Electrolyte for capacitor | |
| JPS6298713A (en) | Electrolyte for electrolytic capacitor | |
| JPS63175412A (en) | Electrolyte for electrolytic capacitor | |
| JPS631019A (en) | Electrolyte for capacitor | |
| JPS6365615A (en) | Capacitor electrolyte | |
| JPH0342693B2 (en) | ||
| JPS631017A (en) | Electrolyte for capacitor | |
| JPS6320818A (en) | Electrolyte for capacitor | |
| JPS635510A (en) | Electrolyte for capacitor | |
| JPH0760780B2 (en) | Electrolytic solution for aluminum electrolytic capacitors | |
| JPS631015A (en) | Electrolyte for capacitor | |
| JPS631020A (en) | Electrolyte for capacitor | |
| JPS63122112A (en) | New electrolytic capacitor |