JPS635507A - Electrolyte for capacitor - Google Patents
Electrolyte for capacitorInfo
- Publication number
- JPS635507A JPS635507A JP14869686A JP14869686A JPS635507A JP S635507 A JPS635507 A JP S635507A JP 14869686 A JP14869686 A JP 14869686A JP 14869686 A JP14869686 A JP 14869686A JP S635507 A JPS635507 A JP S635507A
- Authority
- JP
- Japan
- Prior art keywords
- quaternary ammonium
- electrolytic solution
- electrolyte
- nitric acid
- capacitor
- 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
- 239000008151 electrolyte solution Substances 0.000 claims description 11
- 150000003242 quaternary ammonium salts Chemical class 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 14
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 8
- 239000000428 dust Substances 0.000 description 7
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 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
- 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
- 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
- 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
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 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
- 239000005456 alcohol based solvent Substances 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
- 238000004090 dissolution Methods 0.000 description 1
- 239000003759 ester based solvent Substances 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
- 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
- 150000003014 phosphoric acid esters Chemical class 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
- JTJKNAJRGLQKDZ-UHFFFAOYSA-N tetraethylazanium;nitrate Chemical compound [O-][N+]([O-])=O.CC[N+](CC)(CC)CC JTJKNAJRGLQKDZ-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
- 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 can have a large effect on impedance or equal series resistance (ESR). It's clear.
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、更に低い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 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 Problem The present inventors conducted intensive studies to find an electrolytic solution with high conductive dust, and found that a quaternary ammonium salt of nitric acid exhibits high conductive dust, and completed the present invention.
即ち、本発明は硝酸の四級アンモニウム塩を溶質として
使用すを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 nitric 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硝酸の四級アンモ
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声つム、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−ジメテルビロリジニクム、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−’fルーN−4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 quaternary ammonium salt of nitric acid used as a solute in the present invention, examples of the quaternary ammonium salt include tetraethylammonium, tetrapropylammonium, tetrabutylammonium, methyltriethylammonium, methyltripropylammonium, and methyl. Aliphatic quaternary ammonium salts such as triptylammonium, dimethyldiethylammonium, dimethyldipropylammonium, dimethyldibutylammonium, ethyltriflobyl ammonium, ethyltributylammonium, N
, N-dimethylpyrrolidinium, N,N-dimethylpiperidinium, N-methyl-N-ethylpyrrolidinium,
Examples include alicyclic quaternary ammonium salts such as N-'f-N-4thylpiperidinium and N,N-pentamethylenepiperidinium, and aromatic quaternary ammonium salts such as N-ethylpyridinium. .
本発明の硝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、メチルセロソルブ等のアルコール溶媒、3−メ
トキシプロピオニ)IJル等ノ二トリル溶媒、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 ammonium salt of nitric acid of the present invention include N-methylformamide, N-ethylformamide, N,N-dimethylformamide, 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 include alcohol solvents such as cellosolve, nonitrile 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 preferred because it has low toxicity and is less likely to attack the capacitor sealant or be contaminated with halogen.
上記溶媒に対する硝酸の四級アンモニウム塩の溶解Jl
は飽和濃度以下、好ましくは1〜40重量%である。Dissolution of quaternary ammonium salt of nitric acid in the above solvent Jl
is below the saturation concentration, preferably 1 to 40% by weight.
本発明の電解液は、本質的には、硝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 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
によし、使用温度範囲の広いコンデンサ用電解液となろ
う
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。Effects of the Invention The quaternary ammonium salt of nitric acid used as a solute in the present invention has good solubility in solvents, and its electrolyte exhibits high conductive dust. EXPERIMENTAL EXAMPLE OF EXPERIMENTAL EXAMPLE PROVIDING AN ELECTROLYTIC SOLUTION FOR CAPACITORS WITH A WIDE TEMPERATURE RANGE 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20i量%の硝酸のテトラエ
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14.5ms/cmであっ
た。Example 1 An electrolytic solution was obtained by dissolving 20i% of tetraethylammonium nitric acid in a γ-butyrolactone solvent. The conductive dust of this electrolytic solution at 25° C. was 14.5 ms/cm.
実施例2
実施f!AJIにおいて、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21.2 m
S/611であった。Example 2 Implementation f! In AJI, an electrolytic solution was created using N,N-dimethylformamide solvent instead of r-butyrolactone solvent. The conductive dust of this electrolyte is 21.2 m
It was S/611.
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を作成
した。この電解液の電導塵は12.8mS/ls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 12.8 mS/ls.
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 ammonium salt of nitric acid as a solute.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14869686A JPS635507A (en) | 1986-06-25 | 1986-06-25 | Electrolyte for capacitor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14869686A JPS635507A (en) | 1986-06-25 | 1986-06-25 | Electrolyte for capacitor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS635507A true JPS635507A (en) | 1988-01-11 |
Family
ID=15458553
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14869686A Pending JPS635507A (en) | 1986-06-25 | 1986-06-25 | Electrolyte for capacitor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS635507A (en) |
-
1986
- 1986-06-25 JP JP14869686A patent/JPS635507A/en active Pending
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