JPH0778731A - High-conductivity composition for electrolyte - Google Patents
High-conductivity composition for electrolyteInfo
- Publication number
- JPH0778731A JPH0778731A JP17856793A JP17856793A JPH0778731A JP H0778731 A JPH0778731 A JP H0778731A JP 17856793 A JP17856793 A JP 17856793A JP 17856793 A JP17856793 A JP 17856793A JP H0778731 A JPH0778731 A JP H0778731A
- Authority
- JP
- Japan
- Prior art keywords
- electrolyte
- solvent
- composition
- component
- salt
- 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
- 239000000203 mixture Substances 0.000 title claims abstract description 17
- 239000003792 electrolyte Substances 0.000 title abstract description 12
- 150000003839 salts Chemical class 0.000 claims abstract description 15
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 claims abstract description 14
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 claims abstract description 7
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000008151 electrolyte solution Substances 0.000 claims description 22
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 239000002904 solvent Substances 0.000 abstract description 9
- 238000009835 boiling Methods 0.000 abstract description 5
- 238000007710 freezing Methods 0.000 abstract description 5
- 230000008014 freezing Effects 0.000 abstract description 5
- 150000007524 organic acids Chemical class 0.000 abstract description 5
- 230000003472 neutralizing effect Effects 0.000 abstract description 3
- 230000006866 deterioration Effects 0.000 abstract description 2
- 238000004904 shortening Methods 0.000 abstract description 2
- 150000001735 carboxylic acids Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000006386 neutralization reaction Methods 0.000 abstract 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 14
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 9
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 6
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- VLODCNGYDDGPFG-UHFFFAOYSA-N 2,3-dimethyl-1-propan-2-ylnaphthalene Chemical compound C1=CC=C2C(C(C)C)=C(C)C(C)=CC2=C1 VLODCNGYDDGPFG-UHFFFAOYSA-N 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 4
- -1 as a solute Substances 0.000 description 4
- KYVBNYUBXIEUFW-UHFFFAOYSA-N 1,1,3,3-tetramethylguanidine Chemical compound CN(C)C(=N)N(C)C KYVBNYUBXIEUFW-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 239000001361 adipic acid Substances 0.000 description 3
- 235000011037 adipic acid Nutrition 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- JNROUINNEHNBIZ-UHFFFAOYSA-N 1,1,3,3-tetraethylguanidine Chemical compound CCN(CC)C(=N)N(CC)CC JNROUINNEHNBIZ-UHFFFAOYSA-N 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- 239000004327 boric acid Substances 0.000 description 2
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 2
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 2
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- WBYWAXJHAXSJNI-VOTSOKGWSA-M .beta-Phenylacrylic acid Natural products [O-]C(=O)\C=C\C1=CC=CC=C1 WBYWAXJHAXSJNI-VOTSOKGWSA-M 0.000 description 1
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- WBYWAXJHAXSJNI-SREVYHEPSA-N Cinnamic acid Chemical compound OC(=O)\C=C/C1=CC=CC=C1 WBYWAXJHAXSJNI-SREVYHEPSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-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
- VCUFZILGIRCDQQ-KRWDZBQOSA-N N-[[(5S)-2-oxo-3-(2-oxo-3H-1,3-benzoxazol-6-yl)-1,3-oxazolidin-5-yl]methyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical group O=C1O[C@H](CN1C1=CC2=C(NC(O2)=O)C=C1)CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F VCUFZILGIRCDQQ-KRWDZBQOSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229930188620 butyrolactone Natural products 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229930016911 cinnamic acid Natural products 0.000 description 1
- 235000013985 cinnamic acid Nutrition 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 150000002357 guanidines Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- WBYWAXJHAXSJNI-UHFFFAOYSA-N methyl p-hydroxycinnamate Natural products OC(=O)C=CC1=CC=CC=C1 WBYWAXJHAXSJNI-UHFFFAOYSA-N 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- JEUXZUSUYIHGNL-UHFFFAOYSA-N n,n-diethylethanamine;hydrate Chemical compound O.CCN(CC)CC JEUXZUSUYIHGNL-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000007519 polyprotic acids Polymers 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- BJAARRARQJZURR-UHFFFAOYSA-N trimethylazanium;hydroxide Chemical compound O.CN(C)C BJAARRARQJZURR-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は電解液用高導電性組成物
に関し、更に詳しくは、優れたインピーダンス特性を有
し、電解コンデンサ用電解液として有用な電解液用高導
電性組成物に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a highly conductive composition for an electrolytic solution, and more particularly to a highly conductive composition for an electrolytic solution which has excellent impedance characteristics and is useful as an electrolytic solution for an electrolytic capacitor.
【０００２】[0002]
【従来の技術及び発明が解決しようとする問題点】従
来、電解コンデンサ用電解液としては、例えば、特公昭
５９−７８５２２号及び同６２−１４５７１５号に記載
されているような、エチレングリコール、γ−ブチロラ
クトン等を溶液とし、溶質として、硼酸、アジピン酸、
コハク酸、フタル酸、トリメリット酸等の酸と、トリエ
チルアンモニウムヒドロオキシド、トリメチルアンモニ
ウムヒドロオキシド等の四級アンモニウム塩との予め作
成した複合体を溶解した溶液が使用されている。2. Description of the Related Art Conventional electrolytic solutions for electrolytic capacitors include, for example, ethylene glycol, γ as described in JP-B-59-78522 and JP-A-62-145715. -Butyrolactone and the like as a solution, as a solute, boric acid, adipic acid,
A solution is used in which a previously prepared complex of an acid such as succinic acid, phthalic acid or trimellitic acid and a quaternary ammonium salt such as triethylammonium hydroxide or trimethylammonium hydroxide is dissolved.
【０００３】しかし、硼酸等の無機酸を使用すると、電
解液が腐食性を有し、容器が腐食されて好ましくない。
一方、アジピン酸等の有機酸を使用した場合には、水を
少量添加しなければ導電性が得られず、そのため、γ−
ブチロラクトンと共に使用した場合にはγ−ブチロラク
トンが加水分解され、電解液が経時変化し、変質して、
その安定性に問題がある。更に、水が存在することによ
り、電解液の化成性が増大し、コンデンサ材料である金
属アルミニウムが腐食されたり、水素ガスが発生してコ
ンデンサの特性の劣化、寿命の短縮及びコンデンサの破
裂等の問題を引き起こすという欠点を有している。However, when an inorganic acid such as boric acid is used, the electrolytic solution is corrosive and the container is corroded, which is not preferable.
On the other hand, when an organic acid such as adipic acid is used, conductivity cannot be obtained unless a small amount of water is added.
When used with butyrolactone, γ-butyrolactone is hydrolyzed, and the electrolytic solution changes with time and deteriorates,
There is a problem with its stability. Furthermore, the presence of water increases the chemical conversion of the electrolyte, corrodes metallic aluminum that is the material of the capacitor, or generates hydrogen gas that deteriorates the characteristics of the capacitor, shortens its life, and causes rupture of the capacitor. It has the drawback of causing problems.
【０００４】又、有機酸を四級アンモニウムヒドロオキ
シドで中和したものを溶質として使用した場合には、有
機酸の四級アンモニウム塩が生成するが、反応時に水が
生成し、この水を除去しないと前記した問題が生ずる。
このような従来の溶質を組み合わせた電解液では、得ら
れる導電性に限界があり、１００Ω／ｃｍ程度の導電率
しか得られていない。When a solute obtained by neutralizing an organic acid with a quaternary ammonium hydroxide is used, a quaternary ammonium salt of the organic acid is produced, but water is produced during the reaction and the water is removed. Otherwise, the problems mentioned above will occur.
In such an electrolytic solution in which a solute of the related art is combined, the conductivity obtained is limited, and only a conductivity of about 100 Ω / cm is obtained.
【０００５】本発明の目的は、上記従来技術の問題点を
解消し、５０Ω／ｃｍ程度の低い抵抗を有し、且つ、優
れたインピーダンス特性を有する、電解コンデンサ用電
解液として有用な組成物を提供することにある。An object of the present invention is to solve the above problems of the prior art, to provide a composition useful as an electrolytic solution for electrolytic capacitors, which has a low resistance of about 50 Ω / cm and has excellent impedance characteristics. To provide.
【０００６】[0006]
【課題を解決するための手段】本発明者は、上記問題点
を解決するための手段につき鋭意検討した結果、有機酸
をグアニジン又はその誘導体で中和したものを電解液の
溶質として使用することにより、優れたインピーダンス
特性を有する組成物が得られることを見出し、本発明を
完成するに到った。Means for Solving the Problems As a result of extensive studies on means for solving the above problems, the present inventor has found that an organic acid neutralized with guanidine or a derivative thereof is used as a solute of an electrolytic solution. According to the above, it was found that a composition having excellent impedance characteristics was obtained, and the present invention was completed.
【０００７】即ち、本発明の電解液用組成物は、（ａ）
有機カルボン酸及び（ｂ）グアニジン又はその誘導体か
ら成る塩を含有することを特徴とする高導電性組成物で
ある。That is, the composition for electrolytic solution of the present invention comprises (a)
A highly conductive composition comprising an organic carboxylic acid and (b) a salt consisting of guanidine or a derivative thereof.
【０００８】以下において、本発明を更に詳しく説明す
る。本発明の組成物は、有機カルボン酸及びグアニジン
又はその誘導体から成る塩を電解液用溶媒に溶解したも
のである。本発明においては、上記塩の生成時に水が生
ずることがないために、従来の問題点が生じないという
利点がある。The present invention will be described in more detail below. The composition of the present invention comprises a salt of an organic carboxylic acid and guanidine or a derivative thereof dissolved in a solvent for an electrolytic solution. The present invention has an advantage that conventional problems do not occur because water is not produced when the salt is produced.
【０００９】本発明において使用される（ａ）成分の有
機カルボン酸は、通常、電解液に使用されている有機カ
ルボン酸であれば如何なるものでもよく、例えば、アジ
ピン酸、コハク酸、フタル酸、トリメリット酸、ピロメ
リット酸、クエン酸及びグルタル酸等のポリ塩基酸、及
び安息香酸及びケイ皮酸等のモノ塩基酸等が挙げられ
る。The organic carboxylic acid as the component (a) used in the present invention may be any organic carboxylic acid that is generally used in an electrolytic solution, for example, adipic acid, succinic acid, phthalic acid, Examples thereof include polybasic acids such as trimellitic acid, pyromellitic acid, citric acid and glutaric acid, and monobasic acids such as benzoic acid and cinnamic acid.
【００１０】（ｂ）成分のグアニジン又はその誘導体と
しては、次記一般式（Ｉ）：The guanidine or its derivative as the component (b) is represented by the following general formula (I):
【００１１】[0011]
【化１】 [Chemical 1]
【００１２】式中、Ｒ1,Ｒ2,Ｒ3 及びＲ4 は同一でも異
なっていてもよく、それぞれ、水素原子又は炭素数１〜
９のアルキル基を表わす。In the formula, R 1, R 2, R 3 and R 4 may be the same or different and each represents a hydrogen atom or a carbon number of 1 to 1.
9 represents an alkyl group.
【００１３】上記一般式（Ｉ）中、Ｒ1,Ｒ2,Ｒ3 及びＲ
4 で示されるアルキル基としては、炭素数１〜９のもの
であり、好ましくは、炭素数１〜５のアルキル基であ
り、更に好ましくは１〜４のアルキル基であり、具体的
には、メチル基、エチル基、プロピル基、ブチル基、イ
ソプロピル基及びオクチル基等である。このようなグア
ニジン誘導体の具体例としては、例えば、テトラメチル
グアニジン、テトラエチルグアニジン及びＮ−ジメチル
−Ｎ’−ジエチルグアニジン等が挙げられる。上記一般
式にはジシアンジアミド等も含まれる。In the above general formula (I), R 1, R 2, R 3 and R
The alkyl group represented by 4 is one having 1 to 9 carbon atoms, preferably an alkyl group having 1 to 5 carbon atoms, more preferably an alkyl group having 1 to 4 carbon atoms, and specifically, Examples thereof include a methyl group, an ethyl group, a propyl group, a butyl group, an isopropyl group and an octyl group. Specific examples of such a guanidine derivative include, for example, tetramethylguanidine, tetraethylguanidine, N-dimethyl-N'-diethylguanidine, and the like. The above general formula also includes dicyandiamide and the like.
【００１４】上記（ａ）及び（ｂ）成分から成る塩を溶
解する溶媒としては、低凝固点及び高沸点のものが好ま
しく、例えば、γーブチロラクトン、ジメチルイソプロ
ピルナフタレン、Ｎ，Ｎ−ジメチルホルムアミド及び
Ｎ，Ｎ−ジメチルアセトアミド等が挙げられる。As a solvent for dissolving the salt composed of the above-mentioned components (a) and (b), those having a low freezing point and a high boiling point are preferable. For example, γ-butyrolactone, dimethylisopropylnaphthalene, N, N-dimethylformamide and N , N-dimethylacetamide and the like.
【００１５】本発明にかかわる組成物を塩とする場合に
は、上記（ａ）成分及び（ｂ）成分を、モル比で０．４
〜１．６の割合で反応させることが好ましく、更に好ま
しくは０．５〜１．０モルである。かかる塩は、上記溶
媒に、約１０〜４０重量％の割合で溶解されることが好
ましく、更に好ましくは約１５〜３０重量％の割合であ
る。When the composition according to the present invention is used as a salt, the above components (a) and (b) are used in a molar ratio of 0.4.
It is preferable to react at a ratio of 1.6 to 1.0, and more preferably 0.5 to 1.0 mol. The salt is preferably dissolved in the above solvent at a ratio of about 10 to 40% by weight, more preferably about 15 to 30% by weight.
【００１６】このようにして得られた本発明の電解液用
組成物は、有機カルボン酸をグアニジン又はその塩で中
和することにより生成する溶質を溶媒に溶解したもので
あるために、中和時に水の発生がなく、その水に起因す
る種々の問題点を防止することができる。又、中和した
塩から水を除去する操作を必要としないため、信頼性が
高い塩を得ることができる。更に生成した塩は溶解度が
高く、溶媒に高濃度で溶解せしめることが可能であり、
高濃度の溶質溶液を得ることが可能となる。この溶液は
電気抵抗が低く、従って、インピーダンス特性が優れた
電解液を得ることが可能となる。更に又、高い導電率を
得るために、水を添加する必要がなく、そのため、コン
デンサとしての特性の劣化、経時変化、寿命の短縮等の
問題がない、高信頼性のコンデンサを得ることが可能で
ある。又、生成する塩は中性であために、容器を腐食す
ることがない。The thus-obtained composition for electrolytic solution of the present invention is a solute produced by neutralizing an organic carboxylic acid with guanidine or a salt thereof, and is thus neutralized. Occasionally, no water is generated and various problems caused by the water can be prevented. Further, since it is not necessary to remove water from the neutralized salt, a highly reliable salt can be obtained. Further, the generated salt has a high solubility and can be dissolved in a solvent at a high concentration,
It becomes possible to obtain a high-concentration solute solution. This solution has a low electric resistance, so that it is possible to obtain an electrolytic solution having excellent impedance characteristics. Furthermore, it is not necessary to add water in order to obtain high conductivity, and therefore, it is possible to obtain a highly reliable capacitor without problems such as deterioration of characteristics as a capacitor, aging, and shortening of life. Is. Further, since the salt produced is neutral, it does not corrode the container.
【００１７】[0017]
【発明の効果】本発明の電解液用組成物によれば、容器
の腐食等の問題を起こさずに、優れたインピーダンス特
性を有する高導電率の組成物が得られる。EFFECTS OF THE INVENTION According to the composition for electrolytic solution of the present invention, a composition having high conductivity having excellent impedance characteristics can be obtained without causing problems such as corrosion of the container.
【００１８】[0018]
【実施例】以下に実施例を掲げ、本発明を更に詳しく説
明する。尚、実施例中、「部」は全て「重量部」を意味
する。EXAMPLES The present invention will be described in more detail with reference to the following examples. In the examples, all "parts" mean "parts by weight".
【００１９】実施例−１ フタル酸１０部、テトラメチルグアニジン６部、γ−ブ
チロラクトン３０部、ジメチルイソプロピルナフタレン
４部を混合して電解液を調製した。この電解液は、ｐＨ
＝６で凝固点が−４２℃以下、沸点が１９２℃以上で、
電気抵抗は５０Ω／ｃｍであった。Example 1 10 parts of phthalic acid, 6 parts of tetramethylguanidine, 30 parts of γ-butyrolactone and 4 parts of dimethylisopropylnaphthalene were mixed to prepare an electrolytic solution. This electrolyte has a pH
= 6, the freezing point is -42 ° C or lower, the boiling point is 192 ° C or higher,
The electric resistance was 50 Ω / cm.
【００２０】比較例−１ 従来品の電解液であるサンエレックＭＡ−５（商品名、
三洋化成製）の凝固点、沸点及び電気抵抗をｐＨ＝５で
実施例−１と同様にして測定したところ、それぞれ、−
４８℃、１７０℃及び１００Ω／ｃｍであった。Comparative Example-1 San-Elec MA-5 (trade name, which is a conventional electrolytic solution)
The freezing point, boiling point and electric resistance of Sanyo Kasei Co., Ltd. were measured at pH = 5 in the same manner as in Example-1.
It was 48 ° C., 170 ° C. and 100 Ω / cm.
【００２１】実施例−２ フタル酸１２部、テトラメチルグアニジン８部、トリメ
リット酸３部、γ−ブチロラクトン３０部、ジメチルイ
ソプロピルナフタレン５部を混合して電解液を調製し
た。この電解液は、ｐＨ＝５で凝固点が−４２℃以下、
沸点が１９２℃で、電気抵抗は４０Ω／ｃｍであった。Example 2 12 parts of phthalic acid, 8 parts of tetramethylguanidine, 3 parts of trimellitic acid, 30 parts of γ-butyrolactone and 5 parts of dimethylisopropylnaphthalene were mixed to prepare an electrolytic solution. This electrolyte has a freezing point of −42 ° C. or lower at pH = 5,
The boiling point was 192 ° C. and the electric resistance was 40 Ω / cm.
【００２２】実施例−３ フタル酸１０部、Ｎ−ジメチル−Ｎ’−ジエチルグアニ
ジン８部及びＮ，Ｎ−ジメチルホルムアミド３２部を混
合して電解液を調製した。この電解液は、ｐＨ＝６．５
で電気抵抗が５１Ω／ｃｍであった。Example 3 10 parts of phthalic acid, 8 parts of N-dimethyl-N'-diethylguanidine and 32 parts of N, N-dimethylformamide were mixed to prepare an electrolytic solution. This electrolyte has a pH of 6.5.
The electric resistance was 51 Ω / cm.
【００２３】実施例−４ Ｎ，Ｎ−ジメチルホルムアミド３０部に８０〜１００℃
に加熱しながら、ジシアンジアミド１０部を溶解し、こ
の溶液にフタル酸１５部を溶解して電解液を調製した。
この電解液は、ｐＨ＝６．５で電気抵抗が９５Ω／ｃｍ
であった。Example 4 30 to 30 parts of N, N-dimethylformamide at 80 to 100 ° C.
10 parts of dicyandiamide was dissolved while heating to 1, and 15 parts of phthalic acid was dissolved in this solution to prepare an electrolytic solution.
This electrolyte has an electric resistance of 95 Ω / cm at pH = 6.5.
Met.
【００２４】実施例−５ フタル酸１５部、テトラエチルグアニジン７部、γ−ブ
チロラクトン３０部、ジメチルイソプロピルナフタレン
３部を混合して電解液を調製した。この電解液は、ｐＨ
＝５で電気抵抗が４９Ω／ｃｍであった。Example 5 15 parts of phthalic acid, 7 parts of tetraethylguanidine, 30 parts of γ-butyrolactone and 3 parts of dimethylisopropylnaphthalene were mixed to prepare an electrolytic solution. This electrolyte has a pH
= 5, the electric resistance was 49 Ω / cm.
Claims (1)
ジン又はその誘導体から成る塩を含有することを特徴と
する電解液用高導電性組成物。1. A highly conductive composition for an electrolytic solution, which comprises (a) an organic carboxylic acid and (b) a salt consisting of guanidine or a derivative thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17856793A JPH0778731A (en) | 1993-06-28 | 1993-06-28 | High-conductivity composition for electrolyte |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17856793A JPH0778731A (en) | 1993-06-28 | 1993-06-28 | High-conductivity composition for electrolyte |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0778731A true JPH0778731A (en) | 1995-03-20 |
Family
ID=16050744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17856793A Pending JPH0778731A (en) | 1993-06-28 | 1993-06-28 | High-conductivity composition for electrolyte |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0778731A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03225908A (en) * | 1990-01-31 | 1991-10-04 | Hitachi Aic Inc | Electrolyte for electrolytic capacitor |
-
1993
- 1993-06-28 JP JP17856793A patent/JPH0778731A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03225908A (en) * | 1990-01-31 | 1991-10-04 | Hitachi Aic Inc | Electrolyte for electrolytic capacitor |
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