JPH02264414A - Electrolyte for drying electrolytic capacitor - Google Patents
Electrolyte for drying electrolytic capacitorInfo
- Publication number
- JPH02264414A JPH02264414A JP8545289A JP8545289A JPH02264414A JP H02264414 A JPH02264414 A JP H02264414A JP 8545289 A JP8545289 A JP 8545289A JP 8545289 A JP8545289 A JP 8545289A JP H02264414 A JPH02264414 A JP H02264414A
- Authority
- JP
- Japan
- Prior art keywords
- boric acid
- electrolyte
- ammonium salt
- electrolytic solution
- 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 11
- 239000003792 electrolyte Substances 0.000 title abstract description 6
- 238000001035 drying Methods 0.000 title 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000004327 boric acid Substances 0.000 claims abstract description 17
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 16
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 claims abstract description 12
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims abstract description 10
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 8
- 239000002904 solvent Substances 0.000 claims abstract description 7
- 239000008151 electrolyte solution Substances 0.000 claims description 22
- -1 alkyl phosphate ester Chemical class 0.000 claims description 9
- 229910019142 PO4 Inorganic materials 0.000 claims description 6
- 239000010452 phosphate Substances 0.000 claims description 6
- 150000002148 esters Chemical class 0.000 abstract description 5
- 150000005621 tetraalkylammonium salts Chemical class 0.000 abstract description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 abstract description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 abstract description 2
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 abstract description 2
- 125000005207 tetraalkylammonium group Chemical group 0.000 abstract description 2
- QEMXHQIAXOOASZ-UHFFFAOYSA-N tetramethylammonium Chemical compound C[N+](C)(C)C QEMXHQIAXOOASZ-UHFFFAOYSA-N 0.000 abstract description 2
- 239000002253 acid Substances 0.000 abstract 3
- 150000003863 ammonium salts Chemical class 0.000 abstract 1
- 235000019441 ethanol Nutrition 0.000 description 5
- 150000001298 alcohols Chemical class 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-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
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 description 2
- OZJPLYNZGCXSJM-UHFFFAOYSA-N 5-valerolactone Chemical compound O=C1CCCCO1 OZJPLYNZGCXSJM-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- ATHHXGZTWNVVOU-UHFFFAOYSA-N N-methylformamide Chemical compound CNC=O ATHHXGZTWNVVOU-UHFFFAOYSA-N 0.000 description 2
- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Chemical compound CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 description 2
- ZJHQDSMOYNLVLX-UHFFFAOYSA-N diethyl(dimethyl)azanium Chemical compound CC[N+](C)(C)CC ZJHQDSMOYNLVLX-UHFFFAOYSA-N 0.000 description 2
- GAEKPEKOJKCEMS-UHFFFAOYSA-N gamma-valerolactone Chemical compound CC1CCC(=O)O1 GAEKPEKOJKCEMS-UHFFFAOYSA-N 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- CBXCPBUEXACCNR-UHFFFAOYSA-N tetraethylammonium Chemical compound CC[N+](CC)(CC)CC CBXCPBUEXACCNR-UHFFFAOYSA-N 0.000 description 2
- SEACXNRNJAXIBM-UHFFFAOYSA-N triethyl(methyl)azanium Chemical compound CC[N+](C)(CC)CC SEACXNRNJAXIBM-UHFFFAOYSA-N 0.000 description 2
- LZDKZFUFMNSQCJ-UHFFFAOYSA-N 1,2-diethoxyethane Chemical compound CCOCCOCC LZDKZFUFMNSQCJ-UHFFFAOYSA-N 0.000 description 1
- CYSGHNMQYZDMIA-UHFFFAOYSA-N 1,3-Dimethyl-2-imidazolidinon Chemical compound CN1CCN(C)C1=O CYSGHNMQYZDMIA-UHFFFAOYSA-N 0.000 description 1
- RRQYJINTUHWNHW-UHFFFAOYSA-N 1-ethoxy-2-(2-ethoxyethoxy)ethane Chemical compound CCOCCOCCOCC RRQYJINTUHWNHW-UHFFFAOYSA-N 0.000 description 1
- SBASXUCJHJRPEV-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethanol Chemical compound COCCOCCO SBASXUCJHJRPEV-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- IZXIZTKNFFYFOF-UHFFFAOYSA-N 2-Oxazolidone Chemical class O=C1NCCO1 IZXIZTKNFFYFOF-UHFFFAOYSA-N 0.000 description 1
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 1
- QCDWFXQBSFUVSP-UHFFFAOYSA-N 2-phenoxyethanol Chemical compound OCCOC1=CC=CC=C1 QCDWFXQBSFUVSP-UHFFFAOYSA-N 0.000 description 1
- OMQHDIHZSDEIFH-UHFFFAOYSA-N 3-Acetyldihydro-2(3H)-furanone Chemical compound CC(=O)C1CCOC1=O OMQHDIHZSDEIFH-UHFFFAOYSA-N 0.000 description 1
- VWIIJDNADIEEDB-UHFFFAOYSA-N 3-methyl-1,3-oxazolidin-2-one Chemical compound CN1CCOC1=O VWIIJDNADIEEDB-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-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 Natural products CCNC(C)=O PMDCZENCAXMSOU-UHFFFAOYSA-N 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- WPBFVGZBIPHUAS-UHFFFAOYSA-N N-ethylacetamide Chemical compound C(C)NC(C)=O.C(C)(=O)NCC WPBFVGZBIPHUAS-UHFFFAOYSA-N 0.000 description 1
- OHLUUHNLEMFGTQ-UHFFFAOYSA-N N-methylacetamide Chemical compound CNC(C)=O OHLUUHNLEMFGTQ-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical class CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 1
- 150000003869 acetamides Chemical class 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- YOUGRGFIHBUKRS-UHFFFAOYSA-N benzyl(trimethyl)azanium Chemical compound C[N+](C)(C)CC1=CC=CC=C1 YOUGRGFIHBUKRS-UHFFFAOYSA-N 0.000 description 1
- GSCLMSFRWBPUSK-UHFFFAOYSA-N beta-Butyrolactone Chemical compound CC1CC(=O)O1 GSCLMSFRWBPUSK-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- HCKMSHYCAFVSGW-UHFFFAOYSA-N cyclohexyl(trimethyl)azanium Chemical compound C[N+](C)(C)C1CCCCC1 HCKMSHYCAFVSGW-UHFFFAOYSA-N 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- 229940019778 diethylene glycol diethyl ether Drugs 0.000 description 1
- XXJWXESWEXIICW-UHFFFAOYSA-N diethylene glycol monoethyl ether Chemical compound CCOCCOCCO XXJWXESWEXIICW-UHFFFAOYSA-N 0.000 description 1
- 229940075557 diethylene glycol monoethyl ether Drugs 0.000 description 1
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- YOMFVLRTMZWACQ-UHFFFAOYSA-N ethyltrimethylammonium Chemical compound CC[N+](C)(C)C YOMFVLRTMZWACQ-UHFFFAOYSA-N 0.000 description 1
- 150000003948 formamides Chemical class 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- FBPFZTCFMRRESA-UHFFFAOYSA-N hexane-1,2,3,4,5,6-hexol Chemical compound OCC(O)C(O)C(O)C(O)CO FBPFZTCFMRRESA-UHFFFAOYSA-N 0.000 description 1
- 229940051250 hexylene glycol Drugs 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- NNCAWEWCFVZOGF-UHFFFAOYSA-N mepiquat Chemical compound C[N+]1(C)CCCCC1 NNCAWEWCFVZOGF-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
- MBHINSULENHCMF-UHFFFAOYSA-N n,n-dimethylpropanamide Chemical compound CCC(=O)N(C)C MBHINSULENHCMF-UHFFFAOYSA-N 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 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
- 239000012188 paraffin wax Substances 0.000 description 1
- QLNJFJADRCOGBJ-UHFFFAOYSA-N propionamide Chemical class CCC(N)=O QLNJFJADRCOGBJ-UHFFFAOYSA-N 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- DZLFLBLQUQXARW-UHFFFAOYSA-N tetrabutylammonium Chemical compound CCCC[N+](CCCC)(CCCC)CCCC DZLFLBLQUQXARW-UHFFFAOYSA-N 0.000 description 1
- OSBSFAARYOCBHB-UHFFFAOYSA-N tetrapropylammonium Chemical compound CCC[N+](CCC)(CCC)CCC OSBSFAARYOCBHB-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 150000005691 triesters Chemical class 0.000 description 1
- ZNEOHLHCKGUAEB-UHFFFAOYSA-N trimethylphenylammonium Chemical compound C[N+](C)(C)C1=CC=CC=C1 ZNEOHLHCKGUAEB-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Landscapes
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、電解コンデンサ駆動用電解液に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to an electrolytic solution for driving an electrolytic capacitor.
従来の技術
従来、電解コンデンサ駆動用電解液として、特開昭６１
−７０７１１号公報に見られるように、γ−ブチロラク
トンを溶剤とし、フタル酸のトリエチルアミン塩を用い
る例や、特開昭６２−１４５７１３号公報にみられるよ
うに、マレイン酸の４級アンモニウム塩を用いる例があ
る。しかしながら、これらの電解液に使用されている電
解質を用いて高電導度を得ようといた場合、十分に高い
火花発生電圧が得られない。このような欠点を解決する
ため、特開昭６３−１０２１号公報にみられるように、
硼酸の４級アンモニウム塩を用いた例がある。Conventional technology Previously, as an electrolytic solution for driving electrolytic capacitors, JP-A-61
As seen in JP-A-70711, γ-butyrolactone is used as a solvent and triethylamine salt of phthalic acid is used, and as seen in JP-A-62-145713, a quaternary ammonium salt of maleic acid is used. There is an example. However, when trying to obtain high conductivity using the electrolytes used in these electrolytic solutions, a sufficiently high spark generation voltage cannot be obtained. In order to solve these drawbacks, as seen in Japanese Patent Application Laid-open No. 1021/1983,
There is an example using a quaternary ammonium salt of boric acid.
発明が解決しようとする課題
しかしながら、電解コンデンサの低インピーダンス化に
伴い、中高圧級電解コンデンサにおいても、比電導度の
高い電解液が望まれているが、従来技術における高い比
電導度を有した電解液の火花発生電圧では十分とはいえ
ない。Problems to be Solved by the Invention However, as the impedance of electrolytic capacitors becomes lower, an electrolytic solution with high specific conductivity is desired even in medium and high voltage class electrolytic capacitors. The spark generation voltage of the electrolyte is not sufficient.
本発明はこのような従来の課題を解消し、高い火花発生
電圧で、かつ高い比電導度を有する電解コンデンサ駆動
用電解液を得ることを目的とする。It is an object of the present invention to solve these conventional problems and to obtain an electrolytic solution for driving an electrolytic capacitor that has a high spark generation voltage and a high specific conductivity.
課題を解決するための手段
上記課題を解決するために、本発明の電解コンデンサ駆
動用電解液は、硼酸の４級アンモニウム塩を溶質とした
電解液に、リン酸とアルキルリン酸エステルのいずれか
一方または両方を添加したものである。Means for Solving the Problems In order to solve the above problems, the electrolytic solution for driving an electrolytic capacitor of the present invention contains either phosphoric acid or an alkyl phosphate ester in an electrolytic solution containing a quaternary ammonium salt of boric acid as a solute. One or both are added.
作用
本発明の電解コンデンサ駆動用電解液は、上記したよう
に硼酸の４級アンモニウム塩を溶質とした電解液に、リ
ン酸とアルキルリン酸エステルのいずれか一方または両
方を添加しているため、化成性を改善し、高い火花発生
電圧を得ることができる。Function The electrolytic solution for driving an electrolytic capacitor of the present invention has one or both of phosphoric acid and an alkyl phosphate ester added to the electrolytic solution containing a quaternary ammonium salt of boric acid as a solute, as described above. Improves chemical formation properties and allows high spark generation voltage to be obtained.
実施例
以下、本発明の一実施例の電解コンデンサ駆動用電解液
について説明する。EXAMPLE An electrolytic solution for driving an electrolytic capacitor according to an example of the present invention will be described below.
表１に従来例１．２および実施例１〜４の組成と、３０
℃における比電導度および火花発生電圧を示した。Table 1 shows the compositions of Conventional Example 1.2 and Examples 1 to 4, and 30
Specific conductivity and spark generation voltage at °C are shown.
（以 下 余 白）
表１から明らかなように、従来例１，２に比較して本発
明の実施例１〜４における火花発生電圧は３４０〜３６
５Ｖと非常に高く、また、比電導度も比較的高い値を得
ることができる。(Left below) As is clear from Table 1, the spark generation voltage in Examples 1 to 4 of the present invention was 340 to 36% compared to Conventional Examples 1 and 2.
A very high value of 5V and a relatively high specific conductivity can be obtained.
なお、本発明のアルキルリン酸エステルとしては、アル
キル基の炭素数が通常１〜１５（例えばメチル、エチル
、ｎ−プロピル、イソプロピル。In addition, as for the alkyl phosphate ester of this invention, the carbon number of an alkyl group is usually 1-15 (for example, methyl, ethyl, n-propyl, isopropyl).
ｎ−ブチル、イソブチル、ｔｅｒｔ−ブチル等）である
モノエステル、ジエステル、トリ、エステルおよびこれ
らのうち、２種以上の混合物があげられるが、これらの
うち、特にアルキル基の炭素数が１〜５のモノエステル
が好ましい。(n-butyl, isobutyl, tert-butyl, etc.) monoesters, diesters, triesters, esters, and mixtures of two or more of these; Monoesters of are preferred.
また本発明における硼酸の四級アンモニウム塩としては
、硼酸のテトラアルキル（アルキル基の炭素数は通常１
〜１２）アンモニウム（テトラメチルアンモニウム、テ
トラエチルアンモニウム。In addition, as the quaternary ammonium salt of boric acid in the present invention, tetraalkyl boric acid (the number of carbon atoms in the alkyl group is usually 1
~12) Ammonium (tetramethylammonium, tetraethylammonium.
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、ジメチルジエチル
アンモニウム、エチルトリメチルアンモニウムなど）、
アリールトリアルキルアンモニウム（フェニルトリメチ
ルアンモニウムなど）、シクロへキシルトリアルキルア
ンモニウム（シクロへキシルトリメチルアンモニウムな
ど）、アＩＪ−７）アルキルトリアルキルアンモニウム
（ベンジルトリメチルアンモニウムなど）およびＮ、Ｎ
−ジアルキルピペリジニウム（Ｎ、Ｎ−ジメチルピペリ
ジニウムなど）の塩と、これらの２種以上の混合物など
があげられるが、これらのうち、好ましいものは硼酸の
テトラアルキルアンモニウムの塩である。特に好ましく
は硼酸の非対称（４つのアルキル基がすべて同一でない
）テトラアルキルアンモニウムの塩である。(tetrapropylammonium, tetrabutylammonium, methyltriethylammonium, dimethyldiethylammonium, ethyltrimethylammonium, etc.),
Aryltrialkylammonium (such as phenyltrimethylammonium), cyclohexyltrialkylammonium (such as cyclohexyltrimethylammonium), alkyltrialkylammonium (such as benzyltrimethylammonium) and N, N
Examples include salts of dialkylpiperidinium (such as N,N-dimethylpiperidinium) and mixtures of two or more thereof, and among these, preferred are salts of tetraalkylammonium boric acid. Particularly preferred are asymmetric (all four alkyl groups are not identical) tetraalkylammonium salts of boric acid.
そしてまた硼酸の非対称テトラアルキルアンモニウムの
塩としては、前記の塩のうち、硼酸のメチルトリエチル
アンモニウム、ジメチルジエチルアンモニウム、エチル
トリエチルアンモニウムの塩をあげることができる。硼
酸と四級アンモニウムとのモル比は、四級アンモニウム
に対し、通常０．５〜１．５であるが、好ましくは０．
８〜１．２である。Examples of the asymmetric tetraalkylammonium salts of boric acid include methyltriethylammonium, dimethyldiethylammonium, and ethyltriethylammonium salts of boric acid. The molar ratio of boric acid to quaternary ammonium is usually 0.5 to 1.5, preferably 0.5 to 1.5.
It is 8-1.2.
また本発明の電解液は溶質と溶剤（有機溶剤）からなり
、有機溶剤としては、例えばアルコール類（１価アルコ
ール（メチルアルコール、エチルアルコール、プロピル
アルコール、ブチルアルコール、ジアセトンアルコール
、ベンジルアルコール、アミノアルコールなど）；２価
アルコール（エチレングリコール、プロピレングリコー
ル、ジエチレングリコール、ヘキシレングリコールなど
）；３価アルコール（グリセリンなど）；ヘキシトール
など）、エーテル類（モノエーテル（エチレングリコー
ルモノメチルエーテル、エチレングリコールモノエチル
エーテル、ジエチレングリコールモノメチルエーテル、
ジエチレングリコールモノエチルエーテル、エチレング
リコールフェニルエーテルなど）；ジエーテル（エチレ
ングリコールジメチルエーテル、エチレングリコールジ
エチルエーテル、ジエチレングリコールジメチルエーテ
ル、ジエチレングリコールジエチルエーテルなど））、
アミド類（ホルムアミド類（Ｎメチルホルムアミド、Ｎ
、Ｎ−ジ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など）；アセトアミド
類（Ｎメチルアセトアミド、Ｎ、Ｎ−ジメチルアセトア
ミド１．Ｎ−エチルアセトアミド、Ｎ、Ｎ−ジエチルア
セトアミドなど）；プロピオンアミド類（Ｎ、Ｎ−ジメ
チルプロピオンアミドなど）；ヘキサメチルホスホリル
アミドなど）、オキサゾリジノン類（Ｎ−メチル−２−
オキサゾリジノン。The electrolytic solution of the present invention is composed of a solute and a solvent (organic solvent), and examples of the organic solvent include alcohols (monohydric alcohols (methyl alcohol, ethyl alcohol, propyl alcohol, butyl alcohol, diacetone alcohol, benzyl alcohol, amino alcohol, etc.); dihydric alcohols (ethylene glycol, propylene glycol, diethylene glycol, hexylene glycol, etc.); trihydric alcohols (glycerin, etc.); hexitol, etc.), ethers (monoethers (ethylene glycol monomethyl ether, ethylene glycol monoethyl ether) , diethylene glycol monomethyl ether,
(diethylene glycol monoethyl ether, ethylene glycol phenyl ether, etc.); diethers (ethylene glycol dimethyl ether, ethylene glycol diethyl ether, diethylene glycol dimethyl ether, diethylene glycol diethyl ether, etc.),
Amides (formamides (N methylformamide, N
, N-dimethylformamide, N-ethylformamide, N,N-diethylformamide, etc.); Acetamides (N-methylacetamide, N,N-dimethylacetamide 1.N-ethylacetamide, N,N-diethylacetamide, etc.); Propion amides (N,N-dimethylpropionamide, etc.; hexamethylphosphorylamide, etc.), oxazolidinones (N-methyl-2-
Oxazolidinone.
３．５−ジメチル−２−オキサゾリジノンなど）、ラク
トン類（γ−ブチロラクトン、α−アセチル−γ−ブチ
ロラクトン、β−ブチロラクトン。3.5-dimethyl-2-oxazolidinone, etc.), lactones (γ-butyrolactone, α-acetyl-γ-butyrolactone, β-butyrolactone.
γ−バレロラクトンなど、δ−バレロラクトンなど）、
ニトリル類（アセトニトリル、アクリロニトリルなど）
、ジメチルスルホキシド、スルホラン、１，３−ジメチ
ル−２−イミダゾリジノン。γ-valerolactone, etc., δ-valerolactone, etc.),
Nitriles (acetonitrile, acrylonitrile, etc.)
, dimethyl sulfoxide, sulfolane, 1,3-dimethyl-2-imidazolidinone.
Ｎ−メチルピロリドン、芳香族溶剤（トルエン。N-methylpyrrolidone, aromatic solvent (toluene.
キシレンなど）、パラフィン系溶剤（ノルマルパラフィ
ン、イソパラフィンなど）と、これらの２種以上の混合
物があげられる。これらのうち好ましくはγ−ブチロラ
クトンを主体とする溶剤である。xylene, etc.), paraffinic solvents (normal paraffin, isoparaffin, etc.), and mixtures of two or more of these. Among these, preferred is a solvent mainly composed of γ-butyrolactone.
また、本発明の電解液は、必要により水を含有させるこ
ともできるもので、その含有量は、電解液の重量に基づ
いて通常１０％以下である。The electrolytic solution of the present invention can also contain water if necessary, and the content is usually 10% or less based on the weight of the electrolytic solution.
そしてまた、本発明の電解液において添加するリン酸と
アルキルリン酸エステルの含有量は、電解液の重量に基
づいて通常、０．０１〜１０％であるが、好ましくは０
．１〜５．０％である。Further, the content of phosphoric acid and alkyl phosphate ester added in the electrolytic solution of the present invention is usually 0.01 to 10% based on the weight of the electrolytic solution, but preferably 0.
．． It is 1 to 5.0%.
また、本発明の電解液において、硼酸、の４級アンモニ
ウム塩の塩の含有量は電解液の重量に基づいて通常１〜
５０％であるが、好ましくは１０〜４０％である。Further, in the electrolytic solution of the present invention, the content of the quaternary ammonium salt of boric acid is usually 1 to 10% based on the weight of the electrolytic solution.
50%, preferably 10-40%.
発明の効果
以上のように本発明によれば、硼酸の４級アンモニウム
塩を溶質とした電解液に、リン酸とアルキルリン酸エス
テルのいずれか一方または両方を添加しているため、従
来の電解液と比較して火花発生電圧を高くすることがで
き、かつ比電導度の高い電解液を得ることができるもの
で、工業的価値の大なるものである。Effects of the Invention As described above, according to the present invention, one or both of phosphoric acid and alkyl phosphate ester is added to an electrolytic solution containing a quaternary ammonium salt of boric acid as a solute. It is of great industrial value because it can increase the spark generation voltage and provide an electrolytic solution with high specific conductivity compared to a liquid.
Claims (2)
、リン酸とアルキルリン酸エステルのいずれか一方また
は両方を添加することを特徴とする電解コンデンサ駆動
用電解液。(1) An electrolytic solution for driving an electrolytic capacitor, characterized in that one or both of phosphoric acid and an alkyl phosphate ester is added to an electrolytic solution containing a quaternary ammonium salt of boric acid as a solute.
特徴とする請求項１記載の電解コンデンサ駆動用電解液
。(2) The electrolytic solution for driving an electrolytic capacitor according to claim 1, characterized in that γ-butyrolactone is used as the main solvent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8545289A JPH02264414A (en) | 1989-04-04 | 1989-04-04 | Electrolyte for drying electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8545289A JPH02264414A (en) | 1989-04-04 | 1989-04-04 | Electrolyte for drying electrolytic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02264414A true JPH02264414A (en) | 1990-10-29 |
Family
ID=13859275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8545289A Pending JPH02264414A (en) | 1989-04-04 | 1989-04-04 | Electrolyte for drying electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02264414A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0591810A1 (en) * | 1992-09-29 | 1994-04-13 | Matsushita Electric Industrial Co., Ltd. | Electrolyte for use in an electrolytic capacitor and the electrolytic capacitor |
-
1989
- 1989-04-04 JP JP8545289A patent/JPH02264414A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0591810A1 (en) * | 1992-09-29 | 1994-04-13 | Matsushita Electric Industrial Co., Ltd. | Electrolyte for use in an electrolytic capacitor and the electrolytic capacitor |
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