JPS631015A - Electrolyte for capacitor - Google Patents
Electrolyte for capacitorInfo
- Publication number
- JPS631015A JPS631015A JP14458286A JP14458286A JPS631015A JP S631015 A JPS631015 A JP S631015A JP 14458286 A JP14458286 A JP 14458286A JP 14458286 A JP14458286 A JP 14458286A JP S631015 A JPS631015 A JP S631015A
- Authority
- JP
- Japan
- Prior art keywords
- quaternary ammonium
- electrolytic solution
- electrolyte
- solvent
- phosphoric 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 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 16
- 239000008151 electrolyte solution Substances 0.000 claims description 11
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 8
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims description 8
- 239000002904 solvent Substances 0.000 description 16
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 8
- -1 Aliphatic quaternary ammonium salts Chemical class 0.000 description 4
- 239000000428 dust Substances 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
- 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
- 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
- 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
- 230000000694 effects Effects 0.000 description 2
- GAEKPEKOJKCEMS-UHFFFAOYSA-N gamma-valerolactone Chemical compound CC1CCC(=O)O1 GAEKPEKOJKCEMS-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
- 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
- VPEVHVVMWKEUFN-UHFFFAOYSA-N 1-ethyl-1-methyl-2h-pyridin-1-ium Chemical compound CC[N+]1(C)CC=CC=C1 VPEVHVVMWKEUFN-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
- 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
- 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
- OHLUUHNLEMFGTQ-UHFFFAOYSA-N N-methylacetamide Chemical compound CNC(C)=O OHLUUHNLEMFGTQ-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 150000008043 acidic salts Chemical class 0.000 description 1
- 239000005456 alcohol based solvent Substances 0.000 description 1
- 238000009835 boiling Methods 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
- 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
- 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
- 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
- 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
- 230000007935 neutral effect Effects 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000002265 prevention Effects 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
- AJPPAKACCOFNEN-UHFFFAOYSA-K tetraethylazanium;phosphate Chemical compound [O-]P([O-])([O-])=O.CC[N+](CC)(CC)CC.CC[N+](CC)(CC)CC.CC[N+](CC)(CC)CC AJPPAKACCOFNEN-UHFFFAOYSA-K 0.000 description 1
- OSBSFAARYOCBHB-UHFFFAOYSA-N tetrapropylammonium Chemical compound CCC[N+](CCC)(CCC)CCC OSBSFAARYOCBHB-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
- 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、電導度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け等個直列抵
抗（ＥｓＲ，）に大きな影響を及ぼすことが判明してい
る。[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 and the 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 frequency of switching regulators has increased in recent years, capacitors with lower impedance or lower equivalent series resistance are required, and the development of electrolytes with high conductivity is desired.
本発明者らは、鑞導度の高Ａ電解液を見い出すべく鋭意
検討を行ない、燐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。The present inventors conducted intensive studies to find a high A electrolytic solution with a high conductivity, and discovered that a quaternary ammonium salt of phosphoric acid exhibits a high conductivity, thereby completing the present invention.
即ち、本発明は燐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 phosphoric acid as a solute.
本発明ておいて溶質として用すられる燐酸の四級アンモ
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、メチルトリプチ
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Ｉ
Ｊ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ｆルーＮ−ｘチルピロリジニウム
、Ｎ−メチル−Ｎ−エチルピリジニウム、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
ム塩ヲ例示することができる。Examples of the quaternary ammonium salt of phosphoric acid used as a solute in the present invention include tetraethylammonium, tetrapropylammonium, tetrabutylammonium, methyltriethylammonium, methyltripropylammonium, methyltriptylammonium, dimethyl Diethylammonium, dimethyldipropylammonium, dimethyldibutylammonium, ethyltripropylammonium, ethylt I
Aliphatic quaternary ammonium salts such as J-butylammonium,
N,N-dimethylpyrrolidinium, N,N-dimethylpiperidinium, N-mef-Nxylpyrrolidinium, N-methyl-N-ethylpyridinium, N,N-pentamethylenepiperidinium, etc. Examples include alicyclic quaternary ammonium salts and aromatic quaternary ammonium salts such as N-ethylpyridinium.
本発明の燐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−ジエチルホルムアミド、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因
は混合溶媒を例示することができる。これらの中でもｒ
−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 ammonium salt of phosphoric acid of the present invention include N-methylformamide, N-ethylformamide, N,N-diethylformamide, N,N-diethylformamide, N-methylacetamide, 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 of solvents include alcohol solvents such as cellosolve, nitrile solvents such as 3-methoxypropionitrile, and phosphate ester solvents such as trimethyl phosphate. Among these, r
- 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.
上記溶媒に対する燐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１〜４０市瞼嗟である。The amount of the quaternary ammonium salt of phosphoric acid dissolved in the above solvent is below the saturation concentration, preferably 1 to 40%.
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、燐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 phosphoric 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燐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
。Effects of the Invention The quaternary ammonium salt of phosphoric acid used as a solute in the present invention has good solubility in solvents, and its electrolyte exhibits high conductive dust. By using it together with a solvent with a wide range of freezing point to boiling point, the usage temperature can be reduced. A wide range of electrolytes for capacitors.
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
γ−ブチロラクトン溶媒に２０重ｉ−１の燐酸のテトラ
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℃における電導塵はａ７ｍＳ／濡であった。Example 1 An electrolytic solution was obtained by dissolving a 20-ti-1 phosphoric acid tetraethylammonium salt in a γ-butyrolactone solvent. The conductive dust of this electrolytic solution at 25° C. was a7 mS/wet.
実施例２
実施例１に卦いて、ｒ−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
液を作成した。この電解液の電導塵は９、 ｔ ｒｎｓ
／ｃ、であった。Example 2 Similar to Example 1, an electrolytic solution was prepared using N,N-dimethylformamide solvent instead of r-butyrolactone solvent. The conductive dust in this electrolyte is 9, t rns
/c.
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シた電解液を作成
した。この電解液の電導塵は７．５ｍｓ ／ｃｙｎであ
った。Example 3 In Example 1, an electrolytic solution was prepared using a propylene carbonate solvent instead of the γ-butyrolactone solvent. The conductive dust of this electrolyte was 7.5 ms/cyn.
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 phosphoric acid as a solute.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14458286A JPS631015A (en) | 1986-06-20 | 1986-06-20 | Electrolyte for capacitor |
| US07/061,498 US4786429A (en) | 1986-06-20 | 1987-06-15 | Electrolyte for aluminum electrolytic capacitor |
| DE3789789T DE3789789T2 (en) | 1986-06-20 | 1987-06-17 | Ammonium salt solution as an electrolyte for electrolytic capacitors. |
| EP87305396A EP0251577B1 (en) | 1986-06-20 | 1987-06-17 | Ammonium salt solution as electrolyte for electrolytic capacitors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14458286A JPS631015A (en) | 1986-06-20 | 1986-06-20 | Electrolyte for capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS631015A true JPS631015A (en) | 1988-01-06 |
Family
ID=15365479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14458286A Pending JPS631015A (en) | 1986-06-20 | 1986-06-20 | Electrolyte for capacitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS631015A (en) |
-
1986
- 1986-06-20 JP JP14458286A patent/JPS631015A/en active Pending
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