JPH0374825A - Electrolyte for driving electrolytic capacitor - Google Patents
Electrolyte for driving electrolytic capacitorInfo
- Publication number
- JPH0374825A JPH0374825A JP21088889A JP21088889A JPH0374825A JP H0374825 A JPH0374825 A JP H0374825A JP 21088889 A JP21088889 A JP 21088889A JP 21088889 A JP21088889 A JP 21088889A JP H0374825 A JPH0374825 A JP H0374825A
- Authority
- JP
- Japan
- Prior art keywords
- acid
- salt
- dimethyl
- driving
- methyl
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 25
- 239000003792 electrolyte Substances 0.000 title abstract description 8
- 239000002253 acid Substances 0.000 claims abstract description 18
- 150000003839 salts Chemical class 0.000 claims abstract description 17
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical group O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000002904 solvent Substances 0.000 claims abstract description 10
- XWVFEDFALKHCLK-UHFFFAOYSA-N 2-methylnonanedioic acid Chemical compound OC(=O)C(C)CCCCCCC(O)=O XWVFEDFALKHCLK-UHFFFAOYSA-N 0.000 claims abstract description 4
- AUZBAWMCVFJYAU-UHFFFAOYSA-N 2,8-dimethylnonanedioic acid Chemical compound OC(=O)C(C)CCCCCC(C)C(O)=O AUZBAWMCVFJYAU-UHFFFAOYSA-N 0.000 claims abstract 2
- 239000008151 electrolyte solution Substances 0.000 claims description 21
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 9
- -1 secondary amine salt Chemical class 0.000 claims description 8
- 150000003242 quaternary ammonium salts Chemical group 0.000 claims description 4
- ZKXBLNXJQIBQOX-UHFFFAOYSA-N 4-ethyl-2-methylnonanedioic acid Chemical compound OC(=O)C(C)CC(CC)CCCCC(O)=O ZKXBLNXJQIBQOX-UHFFFAOYSA-N 0.000 claims description 3
- AUZCEKNHWOIGQH-UHFFFAOYSA-N 8-methylhexadecanedioic acid Chemical compound OC(=O)CCCCCCC(C)CCCCCCCC(O)=O AUZCEKNHWOIGQH-UHFFFAOYSA-N 0.000 claims description 3
- SOKQNFRUHLVLHI-UHFFFAOYSA-N 1,3-dimethylnonane-1,3,9-tricarboxylic acid Chemical compound OC(=O)C(C)CC(C)(C(O)=O)CCCCCCC(O)=O SOKQNFRUHLVLHI-UHFFFAOYSA-N 0.000 claims description 2
- JKEPCPLWGHIECQ-UHFFFAOYSA-N 2,4-dimethylnonanedioic acid Chemical compound OC(=O)C(C)CC(C)CCCCC(O)=O JKEPCPLWGHIECQ-UHFFFAOYSA-N 0.000 claims description 2
- KIBVFIDMXQZCBS-UHFFFAOYSA-N 2-methyloctanedioic acid Chemical compound OC(=O)C(C)CCCCCC(O)=O KIBVFIDMXQZCBS-UHFFFAOYSA-N 0.000 claims description 2
- XPEFVGMKDOHGPH-UHFFFAOYSA-N 4-methoxycarbonyl-2,4-dimethyldecanedioic acid Chemical compound OC(=O)C(C)CC(C)(C(=O)OC)CCCCCC(O)=O XPEFVGMKDOHGPH-UHFFFAOYSA-N 0.000 claims description 2
- WWFMNQCTFZQFCL-UHFFFAOYSA-N 4-methoxycarbonyl-2,4-dimethylundecanedioic acid Chemical compound OC(=O)C(C)CC(C)(C(=O)OC)CCCCCCC(O)=O WWFMNQCTFZQFCL-UHFFFAOYSA-N 0.000 claims description 2
- IQWKYRKBHFUUKH-UHFFFAOYSA-N 8,13-dimethylicosanedioic acid Chemical compound OC(=O)CCCCCCC(C)CCCCC(C)CCCCCCC(O)=O IQWKYRKBHFUUKH-UHFFFAOYSA-N 0.000 claims description 2
- JHRJYXZOXJXEJJ-UHFFFAOYSA-N 8-ethyloctadecanedioic acid Chemical compound OC(=O)CCCCCCC(CC)CCCCCCCCCC(O)=O JHRJYXZOXJXEJJ-UHFFFAOYSA-N 0.000 claims description 2
- 150000003863 ammonium salts Chemical group 0.000 claims description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims 3
- 125000001424 substituent group Chemical group 0.000 claims 3
- CAUDNKSLRUSSMK-UHFFFAOYSA-N 1,3-dimethyldecane-1,3,10-tricarboxylic acid Chemical compound OC(=O)C(C)CC(C)(C(O)=O)CCCCCCCC(O)=O CAUDNKSLRUSSMK-UHFFFAOYSA-N 0.000 claims 1
- GXOVLFMZQUTYBX-UHFFFAOYSA-N 1,3-dimethyloctane-1,3,8-tricarboxylic acid Chemical compound OC(=O)C(C)CC(C)(C(O)=O)CCCCCC(O)=O GXOVLFMZQUTYBX-UHFFFAOYSA-N 0.000 claims 1
- GATMIDMAVTZRLY-UHFFFAOYSA-N 2-methoxynonanoic acid Chemical compound CCCCCCCC(OC)C(O)=O GATMIDMAVTZRLY-UHFFFAOYSA-N 0.000 claims 1
- VIKBNMWOLLIQPG-UHFFFAOYSA-N 2-methyldecanedioic acid Chemical compound OC(=O)C(C)CCCCCCCC(O)=O VIKBNMWOLLIQPG-UHFFFAOYSA-N 0.000 claims 1
- HWEXOZJZJZBHKA-UHFFFAOYSA-N 4-methoxycarbonyl-2,4-dimethyldodecanedioic acid Chemical compound OC(=O)C(C)CC(C)(C(=O)OC)CCCCCCCC(O)=O HWEXOZJZJZBHKA-UHFFFAOYSA-N 0.000 claims 1
- VXAYPCKSVZFSJX-UHFFFAOYSA-N 7-ethylhexadecanedioic acid Chemical compound OC(=O)CCCCCC(CC)CCCCCCCCC(O)=O VXAYPCKSVZFSJX-UHFFFAOYSA-N 0.000 claims 1
- UZIWMCAWBNTWDN-UHFFFAOYSA-N 7-methoxy-7-phenyloctanoic acid Chemical compound OC(=O)CCCCCC(C)(OC)C1=CC=CC=C1 UZIWMCAWBNTWDN-UHFFFAOYSA-N 0.000 claims 1
- WOJVMZGXOWNAIG-UHFFFAOYSA-N 8,9,12,13-tetramethylicosanedioic acid Chemical compound OC(=O)CCCCCCC(C)C(C)CCC(C)C(C)CCCCCCC(O)=O WOJVMZGXOWNAIG-UHFFFAOYSA-N 0.000 claims 1
- KTFVECGOKBNPEK-UHFFFAOYSA-N 8,9-dimethylhexadecanedioic acid Chemical compound OC(=O)CCCCCCC(C)C(C)CCCCCCC(O)=O KTFVECGOKBNPEK-UHFFFAOYSA-N 0.000 claims 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 150000003627 tricarboxylic acid derivatives Chemical class 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 6
- 150000007513 acids Chemical class 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- BQNDPALRJDCXOY-UHFFFAOYSA-N 2,3-dibutylbutanedioic acid Chemical compound CCCCC(C(O)=O)C(C(O)=O)CCCC BQNDPALRJDCXOY-UHFFFAOYSA-N 0.000 description 2
- OWCLRJQYKBAMOL-UHFFFAOYSA-N 2-butyloctanedioic acid Chemical compound CCCCC(C(O)=O)CCCCCC(O)=O OWCLRJQYKBAMOL-UHFFFAOYSA-N 0.000 description 2
- 239000004135 Bone phosphate Substances 0.000 description 2
- QCOGKXLOEWLIDC-UHFFFAOYSA-N N-methylbutylamine Chemical compound CCCCNC QCOGKXLOEWLIDC-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- LXRALFGPYZLNBT-UHFFFAOYSA-N 8-methoxy-8-phenylnonanoic acid Chemical compound OC(=O)CCCCCCC(C)(OC)C1=CC=CC=C1 LXRALFGPYZLNBT-UHFFFAOYSA-N 0.000 description 1
- DJEQZVQFEPKLOY-UHFFFAOYSA-N N,N-dimethylbutylamine Chemical class CCCCN(C)C DJEQZVQFEPKLOY-UHFFFAOYSA-N 0.000 description 1
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical class CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 1
- MPDDDPYHTMZBMG-UHFFFAOYSA-N butyl(triethyl)azanium Chemical class CCCC[N+](CC)(CC)CC MPDDDPYHTMZBMG-UHFFFAOYSA-N 0.000 description 1
- IUNCEDRRUNZACO-UHFFFAOYSA-N butyl(trimethyl)azanium Chemical class CCCC[N+](C)(C)C IUNCEDRRUNZACO-UHFFFAOYSA-N 0.000 description 1
- CIFCGXKXFRLSAF-UHFFFAOYSA-N butyl(tripropyl)azanium Chemical class CCCC[N+](CCC)(CCC)CCC CIFCGXKXFRLSAF-UHFFFAOYSA-N 0.000 description 1
- ZKMHIBVJYBMHNM-UHFFFAOYSA-N butyl-diethyl-methylazanium Chemical class CCCC[N+](C)(CC)CC ZKMHIBVJYBMHNM-UHFFFAOYSA-N 0.000 description 1
- HWGWYOIABCECRH-UHFFFAOYSA-N butyl-diethyl-propylazanium Chemical class CCCC[N+](CC)(CC)CCC HWGWYOIABCECRH-UHFFFAOYSA-N 0.000 description 1
- AILPSZWICOHGMA-UHFFFAOYSA-N butyl-dimethyl-propylazanium Chemical class CCCC[N+](C)(C)CCC AILPSZWICOHGMA-UHFFFAOYSA-N 0.000 description 1
- VJBODIYZSOOKES-UHFFFAOYSA-N butyl-ethyl-dimethylazanium Chemical class CCCC[N+](C)(C)CC VJBODIYZSOOKES-UHFFFAOYSA-N 0.000 description 1
- PCVGGPYNPSMRFF-UHFFFAOYSA-N butyl-ethyl-dipropylazanium Chemical class CCCC[N+](CC)(CCC)CCC PCVGGPYNPSMRFF-UHFFFAOYSA-N 0.000 description 1
- OZHYULYUYJVOPW-UHFFFAOYSA-N butyl-ethyl-methyl-propylazanium Chemical class CCCC[N+](C)(CC)CCC OZHYULYUYJVOPW-UHFFFAOYSA-N 0.000 description 1
- IFOAIWHJCBWDOE-UHFFFAOYSA-N butyl-methyl-dipropylazanium Chemical class CCCC[N+](C)(CCC)CCC IFOAIWHJCBWDOE-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- CDJLHQRURPECEZ-UHFFFAOYSA-N dibutyl(diethyl)azanium Chemical class CCCC[N+](CC)(CC)CCCC CDJLHQRURPECEZ-UHFFFAOYSA-N 0.000 description 1
- HVMLGVVFRKCJOV-UHFFFAOYSA-N dibutyl(dimethyl)azanium Chemical class CCCC[N+](C)(C)CCCC HVMLGVVFRKCJOV-UHFFFAOYSA-N 0.000 description 1
- JZSHZKVWWZERHI-UHFFFAOYSA-N dibutyl(dipropyl)azanium Chemical class CCCC[N+](CCC)(CCC)CCCC JZSHZKVWWZERHI-UHFFFAOYSA-N 0.000 description 1
- JQVDAXLFBXTEQA-UHFFFAOYSA-N dibutylamine Chemical class CCCCNCCCC JQVDAXLFBXTEQA-UHFFFAOYSA-N 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- ZJHQDSMOYNLVLX-UHFFFAOYSA-N diethyl(dimethyl)azanium Chemical class CC[N+](C)(C)CC ZJHQDSMOYNLVLX-UHFFFAOYSA-N 0.000 description 1
- PJABQHODPAEOFU-UHFFFAOYSA-N diethyl(dipropyl)azanium Chemical class CCC[N+](CC)(CC)CCC PJABQHODPAEOFU-UHFFFAOYSA-N 0.000 description 1
- PQZTVWVYCLIIJY-UHFFFAOYSA-N diethyl(propyl)amine Chemical class CCCN(CC)CC PQZTVWVYCLIIJY-UHFFFAOYSA-N 0.000 description 1
- KSRKBDUROZKZBR-UHFFFAOYSA-N diethyl-methyl-propylazanium Chemical class CCC[N+](C)(CC)CC KSRKBDUROZKZBR-UHFFFAOYSA-N 0.000 description 1
- 150000005332 diethylamines Chemical class 0.000 description 1
- WQHRRUZRGXLCGL-UHFFFAOYSA-N dimethyl(dipropyl)azanium Chemical class CCC[N+](C)(C)CCC WQHRRUZRGXLCGL-UHFFFAOYSA-N 0.000 description 1
- 150000004656 dimethylamines Chemical class 0.000 description 1
- ZMXDDKWLCZADIW-UHFFFAOYSA-N dimethylformamide Substances CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 1
- WEHWNAOGRSTTBQ-UHFFFAOYSA-N dipropylamine Chemical class CCCNCCC WEHWNAOGRSTTBQ-UHFFFAOYSA-N 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- FRNYKUYJIUPPPW-UHFFFAOYSA-N ethyl(tripropyl)azanium Chemical class CCC[N+](CC)(CCC)CCC FRNYKUYJIUPPPW-UHFFFAOYSA-N 0.000 description 1
- ZOZZQPFBMNNPPO-UHFFFAOYSA-N ethyl-dimethyl-propylazanium Chemical class CCC[N+](C)(C)CC ZOZZQPFBMNNPPO-UHFFFAOYSA-N 0.000 description 1
- YZCTWRWJKAZUIJ-UHFFFAOYSA-N ethyl-methyl-dipropylazanium Chemical class CCC[N+](C)(CC)CCC YZCTWRWJKAZUIJ-UHFFFAOYSA-N 0.000 description 1
- 150000003947 ethylamines Chemical class 0.000 description 1
- LIWAQLJGPBVORC-UHFFFAOYSA-N ethylmethylamine Chemical class CCNC LIWAQLJGPBVORC-UHFFFAOYSA-N 0.000 description 1
- YOMFVLRTMZWACQ-UHFFFAOYSA-N ethyltrimethylammonium Chemical class CC[N+](C)(C)C YOMFVLRTMZWACQ-UHFFFAOYSA-N 0.000 description 1
- KWKAKUADMBZCLK-UHFFFAOYSA-N methyl heptene Natural products CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 1
- VFOJFWOVDZGATC-UHFFFAOYSA-N methyl(tripropyl)azanium Chemical class CCC[N+](C)(CCC)CCC VFOJFWOVDZGATC-UHFFFAOYSA-N 0.000 description 1
- ORSUTASIQKBEFU-UHFFFAOYSA-N n,n-diethylbutan-1-amine Chemical class CCCCN(CC)CC ORSUTASIQKBEFU-UHFFFAOYSA-N 0.000 description 1
- DAZXVJBJRMWXJP-UHFFFAOYSA-N n,n-dimethylethylamine Chemical class CCN(C)C DAZXVJBJRMWXJP-UHFFFAOYSA-N 0.000 description 1
- ZUHZZVMEUAUWHY-UHFFFAOYSA-N n,n-dimethylpropan-1-amine Chemical class CCCN(C)C ZUHZZVMEUAUWHY-UHFFFAOYSA-N 0.000 description 1
- VJIRBKSBSKOOLV-UHFFFAOYSA-N n,n-dipropylbutan-1-amine Chemical class CCCCN(CCC)CCC VJIRBKSBSKOOLV-UHFFFAOYSA-N 0.000 description 1
- CXMXRPHRNRROMY-UHFFFAOYSA-N n-Decanedioic acid Natural products OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical group CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- BBDGYADAMYMJNO-UHFFFAOYSA-N n-butyl-n-ethylbutan-1-amine Chemical class CCCCN(CC)CCCC BBDGYADAMYMJNO-UHFFFAOYSA-N 0.000 description 1
- MTHFROHDIWGWFD-UHFFFAOYSA-N n-butyl-n-methylbutan-1-amine Chemical class CCCCN(C)CCCC MTHFROHDIWGWFD-UHFFFAOYSA-N 0.000 description 1
- VEBPYKMCKZTFPJ-UHFFFAOYSA-N n-butyl-n-propylbutan-1-amine Chemical class CCCCN(CCC)CCCC VEBPYKMCKZTFPJ-UHFFFAOYSA-N 0.000 description 1
- WOLFCKKMHUVEPN-UHFFFAOYSA-N n-ethyl-n-methylbutan-1-amine Chemical class CCCCN(C)CC WOLFCKKMHUVEPN-UHFFFAOYSA-N 0.000 description 1
- GNVRJGIVDSQCOP-UHFFFAOYSA-N n-ethyl-n-methylethanamine Chemical class CCN(C)CC GNVRJGIVDSQCOP-UHFFFAOYSA-N 0.000 description 1
- SMBYUOXUISCLCF-UHFFFAOYSA-N n-ethyl-n-methylpropan-1-amine Chemical class CCCN(C)CC SMBYUOXUISCLCF-UHFFFAOYSA-N 0.000 description 1
- YXSVUUUKWBDCAD-UHFFFAOYSA-N n-ethyl-n-propylbutan-1-amine Chemical class CCCCN(CC)CCC YXSVUUUKWBDCAD-UHFFFAOYSA-N 0.000 description 1
- QHCCDDQKNUYGNC-UHFFFAOYSA-N n-ethylbutan-1-amine Chemical class CCCCNCC QHCCDDQKNUYGNC-UHFFFAOYSA-N 0.000 description 1
- XCVNDBIXFPGMIW-UHFFFAOYSA-N n-ethylpropan-1-amine Chemical class CCCNCC XCVNDBIXFPGMIW-UHFFFAOYSA-N 0.000 description 1
- CUIPDDJPSUECRB-UHFFFAOYSA-N n-methyl-n-propylbutan-1-amine Chemical class CCCCN(C)CCC CUIPDDJPSUECRB-UHFFFAOYSA-N 0.000 description 1
- UVBMZKBIZUWTLV-UHFFFAOYSA-N n-methyl-n-propylpropan-1-amine Chemical class CCCN(C)CCC UVBMZKBIZUWTLV-UHFFFAOYSA-N 0.000 description 1
- GVWISOJSERXQBM-UHFFFAOYSA-N n-methylpropan-1-amine Chemical class CCCNC GVWISOJSERXQBM-UHFFFAOYSA-N 0.000 description 1
- CWYZDPHNAGSFQB-UHFFFAOYSA-N n-propylbutan-1-amine Chemical class CCCCNCCC CWYZDPHNAGSFQB-UHFFFAOYSA-N 0.000 description 1
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical class CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 1
- CBXCPBUEXACCNR-UHFFFAOYSA-N tetraethylammonium Chemical class CC[N+](CC)(CC)CC CBXCPBUEXACCNR-UHFFFAOYSA-N 0.000 description 1
- QEMXHQIAXOOASZ-UHFFFAOYSA-N tetramethylammonium Chemical class C[N+](C)(C)C QEMXHQIAXOOASZ-UHFFFAOYSA-N 0.000 description 1
- HJHUXWBTVVFLQI-UHFFFAOYSA-N tributyl(methyl)azanium Chemical class CCCC[N+](C)(CCCC)CCCC HJHUXWBTVVFLQI-UHFFFAOYSA-N 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical class CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- SEACXNRNJAXIBM-UHFFFAOYSA-N triethyl(methyl)azanium Chemical class CC[N+](C)(CC)CC SEACXNRNJAXIBM-UHFFFAOYSA-N 0.000 description 1
- WGYXSYLSCVXFDU-UHFFFAOYSA-N triethyl(propyl)azanium Chemical class CCC[N+](CC)(CC)CC WGYXSYLSCVXFDU-UHFFFAOYSA-N 0.000 description 1
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical group CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical class CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Electric Double-Layer Capacitors Or The Like (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は特に中高圧用の電解コンデンサに用いられる電
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, particularly used for medium-high voltage electrolytic capacitors.
従来の技術
従来の電解コンデンサ駆動用電解液において、特に中高
圧用電解液としては、特公昭60−13293号公報に
みられるように、ブチルオクタンニ酸を溶質として用い
る例や、特公昭63−15738号公報に見られるよう
に5,6デカンジカルボン酸を溶質として用いた例が多
いが、高温における駆動用電解液の比抵抗変化という点
では改善する必要があった。このような欠点を解決する
ために主体の溶媒をγ−ブチロラクトンとし、これらの
三塩基性酸あるいはその塩を用いることにより、高温に
おいてもエステル化反応をせず、比抵抗変化がしにくい
駆動用電解液となる。2. Description of the Related Art Conventional electrolytic solutions for driving electrolytic capacitors, especially those for medium and high voltages, include examples using butyloctanedioic acid as a solute, as seen in Japanese Patent Publication No. 13293-1983, and Japanese Patent Publication No. 13293-1983. As seen in Japanese Patent No. 15738, there are many examples in which 5,6-decanedicarboxylic acid is used as a solute, but there is a need for improvement in terms of specific resistance change of the driving electrolyte at high temperatures. In order to solve these drawbacks, by using γ-butyrolactone as the main solvent and using these tribasic acids or their salts, we have developed a drive system that does not undergo esterification reactions even at high temperatures and is less susceptible to changes in resistivity. It becomes an electrolyte.
発明が解決しようとする課題
しかしながら、γ−ブチロラクトンを主体とした溶媒に
、これらの三塩基性酸またはその塩を用いることにより
、比抵抗変化がしにくいという点においては良かったが
、定電流化成時における化成・放電特性(以降、火花発
生電圧と言う)が充分でないという欠点があった。Problems to be Solved by the Invention However, although the use of these tribasic acids or their salts in a solvent mainly composed of γ-butyrolactone is good in that specific resistance changes are less likely to occur, it is difficult to form a constant current chemical composition. The drawback is that the chemical formation and discharge characteristics (hereinafter referred to as spark generation voltage) are not sufficient.
本発明はこのような課題を解決した電解コンデンサ駆動
用電解液を提供することを目的とするものである。An object of the present invention is to provide an electrolytic solution for driving an electrolytic capacitor that solves these problems.
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、γ−ブチロラクトンを主体として溶媒に、
1−メチル−1,7−ヘブタンジカルボン酸、■、7−
シメチルー1,7−ヘプタンジカルボン酸、1.3−ジ
メチル−1,3,9−ノナントリカルボン酸、1,3−
ジメチル−3−カルボメトキシ−1,9−ノナンジカル
ボン酸、1,3−ジメチル−1,7−ヘプタンジカルボ
ン酸、1−メチル−3−エチル−1,7−ヘプタンジカ
ルボン酸、7−エチル−1,16−ヘキサデカンジカル
ボン酸、7.12−ジメチル−1,18−オクタデカン
ジカルボン酸、7.8゜11.12−テトラメチル−1
,18−オクタデカンジカルボン酸、7−メチル−1,
14−テトラデカンジカルボン酸、7,8−ジメチル−
1゜14−テトラデカンジカルボン酸、1−メチル−1
,6−ヘキサンジカルボン酸、1,3−ジメチル−3−
カルボメトキシ−1,8−オクタンジカルボン酸、■、
3−ジメチルー1.3.8−オクタントリカルボン酸、
1−メチル−1,8−オクタンジカルボンI1.1.3
−ジメチル−3−カルボメトキシ−1,10−デカンジ
カルボン酸。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 γ-butyrolactone as a main solvent,
1-Methyl-1,7-hebutanedicarboxylic acid, ■, 7-
Dimethyl-1,7-heptanedicarboxylic acid, 1,3-dimethyl-1,3,9-nonanetricarboxylic acid, 1,3-
Dimethyl-3-carbomethoxy-1,9-nonanedicarboxylic acid, 1,3-dimethyl-1,7-heptanedicarboxylic acid, 1-methyl-3-ethyl-1,7-heptanedicarboxylic acid, 7-ethyl-1 , 16-hexadecanedicarboxylic acid, 7.12-dimethyl-1,18-octadecanedicarboxylic acid, 7.8゜11.12-tetramethyl-1
, 18-octadecanedicarboxylic acid, 7-methyl-1,
14-tetradecanedicarboxylic acid, 7,8-dimethyl-
1゜14-tetradecanedicarboxylic acid, 1-methyl-1
, 6-hexanedicarboxylic acid, 1,3-dimethyl-3-
Carbomethoxy-1,8-octanedicarboxylic acid,
3-dimethyl-1.3.8-octanetricarboxylic acid,
1-Methyl-1,8-octanedicarbone I1.1.3
-dimethyl-3-carbomethoxy-1,10-decanedicarboxylic acid.
■、3−ジメチルー1.3.10−デカントリカルボン
酸、7−フェニル−7−メトキシ−1−オクタンカルボ
ン酸、6−7エニルー6−メトキシーへブタンカルボン
酸、6−エチル−1,14−テトラデカンジカルボン酸
のうちから選択した酸、またはその塩の中の1種もしく
は2種以上を主たる溶質として溶解したものである。■, 3-dimethyl-1,3,10-decanetricarboxylic acid, 7-phenyl-7-methoxy-1-octanecarboxylic acid, 6-7enyl-6-methoxyhebutanecarboxylic acid, 6-ethyl-1,14-tetradecane One or more acids selected from dicarboxylic acids or salts thereof are dissolved as the main solute.
そして上記した塩としては、二級アミン塩と。The above-mentioned salts include secondary amine salts.
三級アミン塩と、四級アンモニウム塩があり、二級アミ
ン塩の具体例としては、ジメチルアミン塩、ジエチルア
ミン塩、ジプロピルアミン塩、ジブチルアミン塩、メチ
ルエチルアミン塩、メチルプロピルアミン塩、メチルブ
チルアミン塩、エチルプロピルアミン塩、エチルブチル
アミン塩、プロピルブチルアミン塩が挙げられる。また
三級アミン塩の具体例としては、トリメチルアミン塩。There are tertiary amine salts and quaternary ammonium salts. Specific examples of secondary amine salts include dimethylamine salt, diethylamine salt, dipropylamine salt, dibutylamine salt, methylethylamine salt, methylpropylamine salt, and methylbutylamine. salt, ethylpropylamine salt, ethylbutylamine salt, propylbutylamine salt. A specific example of the tertiary amine salt is trimethylamine salt.
ジメチルエチルアミン塩、ジメチルプロピルアミン塩、
ジメチルブチルアミン塩、ジエチルメチルアミン塩、メ
チルエチルプロピルアミン塩、メチルエチルブチルアミ
ン塩、ジプロピルメチルアミン塩、メチルプロピルブチ
ルアミン塩、ジブチルメチルアミン塩、トリエチルアミ
ン塩、ジエチルプロピルアミン塩、ジエチルブチルアミ
ン塩、ジプロピルエチルアミン塩、エチルプロピルブチ
ルアミン塩、ジブチルエチルアミン塩、トリプロピルア
ミン塩、ジプロピルブチルアミン塩、ジブチルプロピル
アミン塩、トリブチルアミン塩が挙げられる。そしてま
た四級アンモニウム塩の具体例としては、テトラメチル
アンモニウム塩、トリメチルエチルアンモニウム塩、ト
リブチルプロピルアンモニウム塩、トリメチルブチルア
ンモニウム塩、ジメチルジエチルアンモニウム塩、ジメ
チルエチルプロピルアンモニウム塩、ジメチルエチルブ
チルアンモニウム塩、ジメチルジプロピルアンモニウム
塩、ジメチルプロピルブチルアンモニウム塩、ジメチル
ジブチルアンモニウム塩、トリエチルメチルアンモニウ
ム塩、ジエチルメチルプロピルアンモニウム塩、ジエチ
ルメチルブチルアンモニウム塩、ジプロピルメチルエチ
ルアンモニウム塩、メチルエチルプロピルブチルアンモ
ニウム塩、ジブチルメチルエチルアンモニウム塩、トリ
プロピルメチルアンモニウム塩、ジプロピルメチルブチ
ルアンモニウム塩、ジブチルメチルプロピルアンモニウ
ム塩、トリブチルメチルアンモニウム塩、テトラエチル
アンモニウム塩、トリエチルプロピルアンモニウム塩、
トリエチルブチルアンモニウム塩、ジエチルジプロピル
アンモニウム塩、ジエチルプロピルブチルアンモニウム
塩、ジエチルジブチルアンモニウム塩、トリプロピルエ
チルアンモニウム塩、ジプロピルエチルブチルアンモニ
ウム塩、ジブチルエチルプロビルアンモニウム塩、トリ
ブチルエチルアンミニラム塩、テトラプロピルアンモニ
ウム塩、トリプロピルブチルアンモニウム塩、ジプロピ
ルジブチルアンモニウム塩、トリブチルプロピルアンモ
ニウム塩が挙げられる。Dimethylethylamine salt, dimethylpropylamine salt,
Dimethylbutylamine salt, diethylmethylamine salt, methylethylpropylamine salt, methylethylbutylamine salt, dipropylmethylamine salt, methylpropylbutylamine salt, dibutylmethylamine salt, triethylamine salt, diethylpropylamine salt, diethylbutylamine salt, dipropyl Examples include ethylamine salt, ethylpropylbutylamine salt, dibutylethylamine salt, tripropylamine salt, dipropylbutylamine salt, dibutylpropylamine salt, and tributylamine salt. Specific examples of quaternary ammonium salts include tetramethylammonium salt, trimethylethylammonium salt, tributylpropylammonium salt, trimethylbutylammonium salt, dimethyldiethylammonium salt, dimethylethylpropylammonium salt, dimethylethylbutylammonium salt, dimethyl Dipropylammonium salt, dimethylpropylbutylammonium salt, dimethyldibutylammonium salt, triethylmethylammonium salt, diethylmethylpropylammonium salt, diethylmethylbutylammonium salt, dipropylmethylethylammonium salt, methylethylpropylbutylammonium salt, dibutylmethylethyl ammonium salt, tripropylmethylammonium salt, dipropylmethylbutylammonium salt, dibutylmethylpropylammonium salt, tributylmethylammonium salt, tetraethylammonium salt, triethylpropylammonium salt,
Triethylbutylammonium salt, diethyldipropylammonium salt, diethylpropylbutylammonium salt, diethyldibutylammonium salt, tripropylethylammonium salt, dipropylethylbutylammonium salt, dibutylethylpropylammonium salt, tributylethylamminilum salt, tetra Examples thereof include propylammonium salt, tripropylbutylammonium salt, dipropyldibutylammonium salt, and tributylpropylammonium salt.
溶媒としては、BLG単独あるいは混合したものが用い
られる。そして混合する溶媒としては、エチレングリコ
ール、ジエチレングリコール、NN−ジメチルフォルム
アミドが上げられるが、特にエチレングリコールが好ま
しい。As the solvent, BLG alone or a mixture thereof can be used. Examples of the solvent to be mixed include ethylene glycol, diethylene glycol, and NN-dimethylformamide, with ethylene glycol being particularly preferred.
また本発明で用いた酸の構造式を示すと次のようになる
。Further, the structural formula of the acid used in the present invention is as follows.
HOOC−(CH2)6 CH−COOHH3
1−メチル−1,7−ヘプタンジカルボン酸C00■
コ
1.3−ジメチル−1,3,9−ノナントリカルボン酸
0OCH3
HOOC−(CH2)6−C−CH2−CH−COOH
CHs CHs
1.3−ジメチル−3−カルボメトキシ−1゜9−ノナ
ンジカルボン酸
HOOC−CH−(CH2)S−CH−COOH1
CI3 CI3
1.7−ジメチル−1,7−ヘプタンジカルボン酸
1
CH3CH3
?、8,11.12−テトラメチル−1,18−オクタ
デカンジカルボン酸
HooC−(Ct12)4−CI−CI2−CI−CO
ON呟
C2115C13
1−メチル−3−エチル−1,7−ヘプタンジカルボン
酸
UHs シtIs
1.3−ジチメルー1,7−ヘプタンジカルボン酸
0OC−
(CH2)s−CH−COOH
ζ
CH3
CH3
HOOC−(CH2)6−CI−(CH2>4−CI−
(CH2)6−COOHCH3
7,12−ジメチル−1,18−オクタデカンジカルボ
ン酸
HooC−(CH2)6−CH−(CH2)9−COO
H2H5
7−エチル−1,16−ヘキサデカンジカルボン酸
CH3
)100cm(CL)s−CI−CH−(CL)s−C
OOHI3
7.8−ジメチル−1,14−テトラデカンジカルボン
酸
HOOC−(CH2)6−CB−(CH2)7−COO
HCH3
7−メチル−1,14−テトラデカンジカルボン酸
1−メチル−1゜
6−ヘキサンジカルボン酸
0OC
COOCH3CH3
1
(CH2)5−C−CH2−CH−COOHCH3
1,3−ジメチル−3−カルボメトキシ−1″。HOOC-(CH2)6 CH-COOHH3 1-Methyl-1,7-heptanedicarboxylic acid C00■ Co1,3-dimethyl-1,3,9-nonanetricarboxylic acid 0OCH3 HOOC-(CH2)6-C-CH2- CH-COOH
CHs CHs 1.3-dimethyl-3-carbomethoxy-1°9-nonanedicarboxylic acid HOOC-CH-(CH2)S-CH-COOH1 CI3 CI3 1.7-dimethyl-1,7-heptanedicarboxylic acid 1 CH3CH3 ? , 8,11.12-tetramethyl-1,18-octadecanedicarboxylic acid HooC-(Ct12)4-CI-CI2-CI-CO
ONtsu C2115C13 1-Methyl-3-ethyl-1,7-heptanedicarboxylic acid UHs SitIs 1,3-dithymer-1,7-heptanedicarboxylic acid 0OC- (CH2)s-CH-COOH ζ CH3 CH3 HOOC- (CH2 )6-CI-(CH2>4-CI-
(CH2)6-COOHCH3 7,12-dimethyl-1,18-octadecanedicarboxylic acidHooC-(CH2)6-CH-(CH2)9-COO
H2H5 7-ethyl-1,16-hexadecanedicarboxylic acid CH3) 100 cm (CL)s-CI-CH-(CL)s-C
OOHI3 7.8-Dimethyl-1,14-tetradecanedicarboxylic acid HOOC-(CH2)6-CB-(CH2)7-COO
HCH3 7-Methyl-1,14-tetradecanedicarboxylic acid 1-methyl-1゜6-hexanedicarboxylic acid 0OC COOCH3CH3 1 (CH2)5-C-CH2-CH-COOHCH3 1,3-dimethyl-3-carbomethoxy-1 ″.
8−オクタンジカルボン酸
CH3
1,3−ジメチル−1
カルボン酸
3゜
8−オクタントリ
Hs
■
HOOC−(CH2)7 CC00H1−メチル−
1,8−オクタンジカルボン酸Hs
1.3−ジメチル−3−カルボメトキシ−1゜O−デカ
ンジカルボン酸
HOOC−(CH2)?
C0OHCH3
C−Cl2−CI−COOH
CH3
1,3−ジメチル−1
カルボン酸
0
デカントリ
CH3
7−フェニル−ツーメトキシ
ルボン酸
1−オクタン力
作用
上記した本発明の電解コンデンサ駆動用電解液に用いら
れる酸は、ブチルオクタンニ酸、5,6デカンジカルボ
ン酸と比較して化成性に優れているため、火花発生電圧
を上昇させることができる。8-octanedicarboxylic acid CH3 1,3-dimethyl-1 carboxylic acid 3゜8-octantriHs ■ HOOC-(CH2)7 CC00H1-methyl-
1,8-octanedicarboxylic acid Hs 1,3-dimethyl-3-carbomethoxy-1°O-decanedicarboxylic acid HOOC-(CH2)? C0OHCH3 C-Cl2-CI-COOH CH3 1,3-dimethyl-1 carboxylic acid 0 decanetriCH3 7-phenyl-twomethoxylboxylic acid 1-octane Force action The acid used in the electrolytic solution for driving the electrolytic capacitor of the present invention described above is , butyloctanedioic acid, and 5,6-decanedicarboxylic acid, it has excellent chemical formation properties, so it is possible to increase the spark generation voltage.
実施例
以下、本発明の実施例について説明する。まず、従来例
と本発明の実施例における組成および比抵抗、火花発生
電圧、含水率についての特性比較を示すと表1のように
なった。Examples Examples of the present invention will be described below. First, Table 1 shows a comparison of the characteristics of the conventional example and the example of the present invention in terms of composition, resistivity, spark generation voltage, and water content.
(以 下 余 白 )
Hs
6−フェニル−6−メトキシ−1−へブタンカルボン酸
HOOC−(CI 2 )s −CI−(CH2)s−
COOHC1!Hs
6−ニチルー1,14−テトラデカンジ力ルポン酸
表1に示した電解液のうち、従来例2,3および実施例
1,18.23の電解液を使用した電解コンデンサ(定
格400V270μF)の各20個について温度105
℃で定格電圧印加試験を2000時間実施した結果を表
2に示す。製品のエージングは450V4時間の条件で
ある。(Left below) Hs 6-phenyl-6-methoxy-1-hebutanecarboxylic acid HOOC-(CI2)s -CI-(CH2)s-
COOHC1! Hs 6-Nityl-1,14-tetradecanediluponic acid Among the electrolytes shown in Table 1, each of the electrolytic capacitors (rated 400V 270μF) using the electrolytes of Conventional Examples 2 and 3 and Examples 1, 18 and 23 Temperature 105 for 20 pieces
Table 2 shows the results of a 2000 hour rated voltage application test at °C. The product was aged at 450V for 4 hours.
(以 下 余 白 )
表1から明らかなように、本発明の実施例1〜25の電
解液は従来例2,3の電解液に比べていずれも火花発生
電圧が高いという特徴を有することから、表2に示す製
品試験においても従来例2.3はエージング中にショー
ト発生しているが、実施例1.18.23はエージング
中、試験中のいずれもショート発生はなく、非常に耐シ
ョート性に優れた電解液であることがわかる。なお、製
品の容量変化率、tanδ変化、外観変化のどの特性に
おいても変化が少なく、信頼性の高い電解コンデンサを
得ることができる。(Left below) As is clear from Table 1, the electrolytic solutions of Examples 1 to 25 of the present invention are characterized by a higher spark generation voltage than the electrolytic solutions of Conventional Examples 2 and 3. In the product test shown in Table 2, conventional example 2.3 experienced a short circuit during aging, but example 1.18.23 had no short circuit during aging or testing, and was extremely short-resistant. It can be seen that the electrolyte has excellent properties. Furthermore, it is possible to obtain a highly reliable electrolytic capacitor with little change in any of the characteristics of the product, such as the rate of change in capacitance, change in tan δ, and change in appearance.
また第1図は、本発明と従来の電解コンデンサ駆動用電
解液の定電流化成時における化成・放電特性を示したも
のであるが、この比較においても本発明の方が著しく優
れていることが明らかである。Furthermore, Figure 1 shows the formation and discharge characteristics during constant current formation of the present invention and the conventional electrolytic solution for driving electrolytic capacitors, and even in this comparison, the present invention is significantly superior. it is obvious.
発明の効果
以上の実施例の説明から明らかなように本発明によれば
、火花発生電圧を高くした中高圧用の電解コンデンサ駆
動用電解液を得ることができる。Effects of the Invention As is clear from the above description of the embodiments, according to the present invention, it is possible to obtain an electrolytic solution for driving an electrolytic capacitor for medium and high voltages with a high spark generation voltage.
なお、γ−ブチロラクトンを主体の溶媒とすることがで
きることにより、特性変化の少ない、非常に信頼性の高
い中高圧用の電解コンデンサを提供することができるも
のである。By using γ-butyrolactone as the main solvent, it is possible to provide an extremely reliable electrolytic capacitor for medium and high voltages with little change in characteristics.
第1図は本発明の実施例の電解コンデンサ駆動用電解液
と従来例の電解コンデンサ駆動用電解液との間の、定電
流化成時における化成・放電特性の比較を示す特性図で
ある。FIG. 1 is a characteristic diagram showing a comparison of formation and discharge characteristics during constant current formation between an electrolytic capacitor driving electrolytic solution according to an embodiment of the present invention and a conventional electrolytic capacitor driving electrolytic solution.
Claims
メチル−1,7−ヘプタンジカルボン酸,1,7−ジメ
チル−1,7−ヘプタンジカルボン酸,1,3−ジメチ
ル−1,3,9−ノナントリカルボン酸,1,3−ジメ
チル−3−カルボメトキシ−1,9−ノナンジカルボン
酸,1,3−ジメチル−1,7−ヘプタンジカルボン酸
,1−メチル−3−エチル−1,7−ヘプタンジカルボ
ン酸,7−エチル−1,16−ヘキサデカンジカルボン
酸,7,12−ジメチル−1,18−オクタデカンジカ
ルボン酸,7,8,11,12−テトラメチル−1,1
8−オクタデカンジカルボン酸,7−メチル−1,14
−テトラデカンジカルボン酸,7,8−ジメチル−1,
14−テトラデカンジカルボン酸,1−メチル−1,6
−ヘキサンジカルボン酸,1,3−ジメチル−3−カル
ボメトキシ−1,8−オクタンジカルボン酸,1,3−
ジメチル−1,3,8−オクタントリカルボン酸,1−
メチル−1,8−オクタンジカルボン酸,1,3−ジメ
チル−3−カルボメトキシ−1,10−デカンジカルボ
ン酸,1,3−ジメチル−1,3,10−デカントリカ
ルボン酸,7−フェニル−7−メトキシ−1−オクタン
カルボン酸,6−フェニル−6−メトキシ−ヘプタンカ
ルボン酸,6−エチル−1,14−テトラデカンジカル
ボン酸のうちから選択した酸、またはその塩の中の1種
もしくは2種以上を主たる溶質として溶解した電解コン
デンサ駆動用電解液。
コンデンサ駆動用電解液。
ンデンサ駆動用電解液。
ンデンサ駆動用電解液。
解コンデンサ駆動用電解液。
プロピル基,ブチル基より選ばれた1種もしくは2種で
ある請求項3記載の電解コンデンサ駆動用電解液。
プロピル基,ブチル基より選ばれた1種もしくは2種以
上である請求項4記載の電解コンデンサ駆動用電解液。
ル基,プロピル基,ブチル基より選ばれた1種もしくは
2種以上である請求項5記載の電解コンデンサ駆動用電
解液。
ングリコールを用いた請求項1記載の電解コンデンサ駆
動用電解液。
Methyl-1,7-heptanedicarboxylic acid, 1,7-dimethyl-1,7-heptanedicarboxylic acid, 1,3-dimethyl-1,3,9-nonanetricarboxylic acid, 1,3-dimethyl-3-carbomethoxy -1,9-nonanedicarboxylic acid, 1,3-dimethyl-1,7-heptanedicarboxylic acid, 1-methyl-3-ethyl-1,7-heptanedicarboxylic acid, 7-ethyl-1,16-hexadecanedicarboxylic acid , 7,12-dimethyl-1,18-octadecanedicarboxylic acid, 7,8,11,12-tetramethyl-1,1
8-octadecanedicarboxylic acid, 7-methyl-1,14
-tetradecanedicarboxylic acid, 7,8-dimethyl-1,
14-tetradecanedicarboxylic acid, 1-methyl-1,6
-hexanedicarboxylic acid, 1,3-dimethyl-3-carbomethoxy-1,8-octanedicarboxylic acid, 1,3-
Dimethyl-1,3,8-octanetricarboxylic acid, 1-
Methyl-1,8-octanedicarboxylic acid, 1,3-dimethyl-3-carbomethoxy-1,10-decanedicarboxylic acid, 1,3-dimethyl-1,3,10-decanetricarboxylic acid, 7-phenyl-7 - An acid selected from methoxy-1-octanecarboxylic acid, 6-phenyl-6-methoxy-heptanecarboxylic acid, 6-ethyl-1,14-tetradecanedicarboxylic acid, or one or two salts thereof. An electrolytic solution for driving electrolytic capacitors in which the above is dissolved as the main solute.
The electrolytic solution for driving an electrolytic capacitor according to claim 3, wherein the electrolytic solution is one or two selected from propyl groups and butyl groups.
The electrolytic solution for driving an electrolytic capacitor according to claim 4, which is one or more selected from propyl groups and butyl groups.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1210888A JP2910073B2 (en) | 1989-08-16 | 1989-08-16 | Electrolyte for driving electrolytic capacitors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1210888A JP2910073B2 (en) | 1989-08-16 | 1989-08-16 | Electrolyte for driving electrolytic capacitors |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0374825A true JPH0374825A (en) | 1991-03-29 |
JP2910073B2 JP2910073B2 (en) | 1999-06-23 |
Family
ID=16596754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1210888A Expired - Lifetime JP2910073B2 (en) | 1989-08-16 | 1989-08-16 | Electrolyte for driving electrolytic capacitors |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2910073B2 (en) |
-
1989
- 1989-08-16 JP JP1210888A patent/JP2910073B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2910073B2 (en) | 1999-06-23 |
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