WO2011118234A1 - 電解コンデンサ用電解液 - Google Patents
電解コンデンサ用電解液 Download PDFInfo
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- WO2011118234A1 WO2011118234A1 PCT/JP2011/001794 JP2011001794W WO2011118234A1 WO 2011118234 A1 WO2011118234 A1 WO 2011118234A1 JP 2011001794 W JP2011001794 W JP 2011001794W WO 2011118234 A1 WO2011118234 A1 WO 2011118234A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- acid
- electrolyte
- electrolytic capacitor
- electrode foil
- electrolytic
- Prior art date
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- 239000003990 capacitor Substances 0.000 title claims abstract description 61
- 239000003792 electrolyte Substances 0.000 title claims abstract description 25
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000011888 foil Substances 0.000 claims abstract description 32
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 claims abstract description 28
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 claims abstract description 26
- 150000001991 dicarboxylic acids Chemical class 0.000 claims abstract description 18
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 14
- 150000003839 salts Chemical class 0.000 claims abstract description 14
- 239000002253 acid Substances 0.000 claims abstract description 11
- OWCLRJQYKBAMOL-UHFFFAOYSA-N 2-butyloctanedioic acid Chemical compound CCCCC(C(O)=O)CCCCCC(O)=O OWCLRJQYKBAMOL-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000008151 electrolyte solution Substances 0.000 claims description 50
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 21
- 229930195729 fatty acid Natural products 0.000 claims description 21
- 239000000194 fatty acid Substances 0.000 claims description 21
- 150000004665 fatty acids Chemical class 0.000 claims description 21
- 125000000896 monocarboxylic acid group Chemical group 0.000 claims description 10
- AOMUHOFOVNGZAN-UHFFFAOYSA-N N,N-bis(2-hydroxyethyl)dodecanamide Chemical compound CCCCCCCCCCCC(=O)N(CCO)CCO AOMUHOFOVNGZAN-UHFFFAOYSA-N 0.000 claims description 2
- 229940031957 lauric acid diethanolamide Drugs 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 28
- 238000006703 hydration reaction Methods 0.000 abstract description 19
- 230000036571 hydration Effects 0.000 abstract description 13
- 239000002904 solvent Substances 0.000 abstract description 4
- 230000015556 catabolic process Effects 0.000 abstract description 2
- 150000007513 acids Chemical class 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 230000006866 deterioration Effects 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- -1 Primary amine salts Chemical class 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- UAOMVDZJSHZZME-UHFFFAOYSA-N diisopropylamine Chemical compound CC(C)NC(C)C UAOMVDZJSHZZME-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 235000013162 Cocos nucifera Nutrition 0.000 description 2
- 244000060011 Cocos nucifera Species 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- WGQKYBSKWIADBV-UHFFFAOYSA-N benzylamine Chemical compound NCC1=CC=CC=C1 WGQKYBSKWIADBV-UHFFFAOYSA-N 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- LPMBTLLQQJBUOO-KTKRTIGZSA-N (z)-n,n-bis(2-hydroxyethyl)octadec-9-enamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)N(CCO)CCO LPMBTLLQQJBUOO-KTKRTIGZSA-N 0.000 description 1
- SLAMLWHELXOEJZ-UHFFFAOYSA-N 2-nitrobenzoic acid Chemical compound OC(=O)C1=CC=CC=C1[N+]([O-])=O SLAMLWHELXOEJZ-UHFFFAOYSA-N 0.000 description 1
- IQUPABOKLQSFBK-UHFFFAOYSA-N 2-nitrophenol Chemical compound OC1=CC=CC=C1[N+]([O-])=O IQUPABOKLQSFBK-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000005639 Lauric acid Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- BNUHAJGCKIQFGE-UHFFFAOYSA-N Nitroanisol Chemical compound COC1=CC=C([N+]([O-])=O)C=C1 BNUHAJGCKIQFGE-UHFFFAOYSA-N 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- 229940043279 diisopropylamine Drugs 0.000 description 1
- WEHWNAOGRSTTBQ-UHFFFAOYSA-N dipropylamine Chemical compound CCCNCCC WEHWNAOGRSTTBQ-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- LIWAQLJGPBVORC-UHFFFAOYSA-N ethylmethylamine Chemical compound CCNC LIWAQLJGPBVORC-UHFFFAOYSA-N 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- DAZXVJBJRMWXJP-UHFFFAOYSA-N n,n-dimethylethylamine Chemical compound CCN(C)C DAZXVJBJRMWXJP-UHFFFAOYSA-N 0.000 description 1
- NTNWKDHZTDQSST-UHFFFAOYSA-N naphthalene-1,2-diamine Chemical compound C1=CC=CC2=C(N)C(N)=CC=C21 NTNWKDHZTDQSST-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- YBRBMKDOPFTVDT-UHFFFAOYSA-N tert-butylamine Chemical compound CC(C)(C)N YBRBMKDOPFTVDT-UHFFFAOYSA-N 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- DXNCZXXFRKPEPY-UHFFFAOYSA-N tridecanedioic acid Chemical compound OC(=O)CCCCCCCCCCCC(O)=O DXNCZXXFRKPEPY-UHFFFAOYSA-N 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/022—Electrolytes; Absorbents
- H01G9/035—Liquid electrolytes, e.g. impregnating materials
Definitions
- the present invention relates to an electrolytic capacitor, and more particularly, to an electrolytic solution for an electrolytic capacitor used for an electrolytic capacitor having high frequency low impedance characteristics and stable characteristics at medium and high pressures.
- An electrolytic capacitor uses a valve metal having an insulating oxide film formed on the surface of aluminum or tantalum as an anode electrode foil, and the oxide film layer is used as a dielectric, and an electrolyte layer is formed on the surface of the oxide film layer.
- An electrolyte solution is brought into contact, and an electrode foil for current collection, usually called a cathode, is arranged.
- the electrolytic solution for electrolytic capacitors directly contacts the dielectric layer as described above and acts as a true cathode. That is, the electrolytic solution is interposed between the dielectric of the electrolytic capacitor and the current collecting cathode, and the resistance component of the electrolytic solution is inserted in series with the electrolytic capacitor. Therefore, the characteristics of the electrolytic solution are a major factor that affects the characteristics of the electrolytic capacitor.
- ethylene glycol is used as an electrolytic solution used for medium and high voltage electrolytic capacitors as an electrolytic solution with high withstand voltage and little electrode foil deterioration in order to stabilize characteristics at medium and high voltages.
- an electrolytic solution using azelaic acid, sebacic acid, 1-methyl-azeleic acid, 1,6-decanedicarboxylic acid or a salt thereof as a solute is generally used.
- Patent Document 1 Japanese Patent Document 1
- Patent Document 2 As a method for slowing the hydration deterioration of the electrode foil, a method of adding an additive that suppresses the hydration reaction between the electrode foil and water is known. (Patent Document 2)
- an object of the present invention is to provide an electrolytic capacitor having a high frequency, low impedance and good reliability in an electrolytic capacitor for medium and high voltages.
- the electrolyte has a general formula: HOOC (CH 2 ) n COOH (where n represents an integer of 9 to 11). )),
- n represents an integer of 9 to 11).
- the oxygen of the hydroxyl group (—OH group) of the two carboxylic acids of the linear saturated dicarboxylic acid is coordinated to the aluminum on the surface of the electrode foil. It was clarified that a hydrophobic film that was thought to be formed was formed, and that this hydrophobic film inhibited the hydration reaction between the electrode foil and water, thereby allowing a large amount of water to be added to the electrolyte.
- the electrolytic solution for an electrolytic capacitor contains ethylene glycol and 15 to 50 wt% of the total amount of the electrolytic solution with azelaic acid, sebacic acid, 1-methyl-azeleic acid, 1,6 A decane dicarboxylic acid and at least one of its salts are dissolved as a solute, and represented by the general formula: HOOC (CH 2 ) n COOH (wherein n represents an integer of 9 to 11).
- a fatty acid alkanolamide is added to the electrolytic solution, so that the oxygen of the hydroxyl group (—OH group) of the nitrogen or alcohol portion of the fatty acid alkanolamide is changed to aluminum on the surface of the electrode foil.
- Electrolytic solution for medium and high pressure with salt dissolved has low specific resistance characteristics and suppresses the hydration deterioration of the electrode foil to improve the life characteristics of electrolytic capacitors In which it revealed that makes it possible to keep.
- the electrolytic solution for an electrolytic capacitor according to another embodiment of the present invention contains ethylene glycol and 15 to 50 wt% of the entire electrolytic solution, azelaic acid, sebacic acid, 1-methyl-azeleic acid, 1,6
- a hydrophobic film that appears to be bonded is formed, and this hydrophobic film suppresses the hydration reaction between the electrode foil and water, enabling a large amount of water to be added to the electrolyte and reducing the impedance and reliability.
- the electrolytic solution for the electrolytic capacitor according to the first embodiment of the present invention includes ethylene glycol and 15 to 50 wt% of the entire electrolytic solution, azelaic acid, sebacic acid, 1-methyl-azelaic acid, 1,6-decane.
- a linear solution represented by the general formula: HOOC (CH 2 ) n COOH (wherein n represents an integer of 9 to 11) is dissolved as a solute of at least one of dicarboxylic acid and its salt.
- An electrolytic solution for electrolytic capacitors to which saturated dicarboxylic acid is added is used.
- the amount of linear saturated dicarboxylic acid represented by the general formula: HOOC (CH 2 ) n COOH (where n represents an integer of 9 to 11) is 0.1 wt% or more of the entire electrolyte solution, Preferably, 0.5 wt% or more has an excellent effect of suppressing hydration deterioration of the electrode foil, and if it is less than this range, the effect of suppressing hydration deterioration becomes low. Moreover, even if this linear saturated dicarboxylic acid is added to the vicinity of the solubility limit, an electrolytic solution for electrolytic capacitors having a low resistance can be obtained.
- the water content is 15 to 50 wt%, preferably 15 to 35 wt%, but if it is less than this range, a sufficient specific resistance reduction effect cannot be obtained, and if it exceeds this range, hydration deterioration of the electrode foil can be suppressed. Disappear. *
- Examples of the salts of azelaic acid, sebacic acid, 1-methyl-azeleic acid and 1,6-decanedicarboxylic acid used in the electrolytic solution of the present invention include ammonium salts, methylamine, ethylamine, t-butylamine, and n-propylamine.
- Primary amine salts such as, dimethylamine, ethylmethylamine, diethylamine, di-n-propylamine, diisopropylamine and other secondary amine salts, tri-n-propylamine, trimethylamine, triethylamine, tri-n-butylamine, dimethylethylamine , And the like, and salts such as diethanolamine, triethanolamine, naphthalenediamine, benzylamine and the like can be exemplified, but particularly when a secondary amine salt is used, a better hydration inhibiting effect is seen. *
- Table 1 shows the composition and specific resistance of the electrolytic solution for electrolytic capacitors for the examples and comparative examples of the first embodiment of the present invention.
- Example 2 in which tridecanedioic acid was added, a remarkable effect of suppressing deterioration of the oxide film was observed.
- the electrolytic solution for the electrolytic capacitor of the second embodiment of the present invention is the same as that of the first embodiment except that a fatty acid alkanolamide is added instead of the linear saturated dicarboxylic acid used in the first embodiment. To prepare an electrolytic solution for the electrolytic capacitor.
- fatty acid alkanolamides added to the electrolyte include coconut fatty acid diethanolamide, lauric acid diethanolamide, oleic acid diethanolamide, coconut fatty acid monoethanolamide, lauric acid isopropanolamide, and the like.
- the amount of fatty acid alkanolamide added is 1 to 10 wt%, preferably 3 to 7 wt%, particularly preferably 5 wt% of the entire electrolyte. If it is less than this range, the effect of suppressing hydration deterioration will be low, and if it exceeds this range, a sufficient specific resistance reduction effect cannot be obtained.
- electrolysis is performed using a linear saturated dicarboxylic acid represented by the general formula: HOOC (CH 2 ) n COOH (where n represents an integer of 9 to 11) used in the first embodiment. It can also be added to the liquid. Thereby, a further specific resistance reduction effect and a hydration suppression effect can be obtained.
- the specific resistance of the electrolytic solution is sufficiently suppressed, and the rate of change in capacitance can be suppressed low, and an electrolytic solution suitable for high frequency low impedance electrolytic capacitor applications can be obtained. It is done. *
- azelaic acid is used as a solute, but sebacic acid, 1-methyl-azeleic acid, 1,6-decanedicarboxylic acid, and salts thereof were used. In some cases, the same effect is confirmed.
- the electrolytic solution for medium- and high-voltage electrolytic capacitors of the present invention suppresses hydration deterioration of the electrode foil even when a large amount of water is added.
- An electrolytic capacitor can be manufactured.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
Description
本発明の第1実施形態の電解コンデンサ用電解液としては、エチレングリコールと、電解液全体の15~50wt%の水に、アゼライン酸、セバシン酸、1-メチル-アゼライン酸、1,6-デカンジカルボン酸、および、その塩のうち少なくとも1種類を溶質として溶解し、一般式:HOOC(CH2)nCOOH(式中、nは9~11の整数を表す。)で表される直鎖の飽和ジカルボン酸を添加した電解コンデンサ用電解液を用いている。
以下に実施例により本発明の第1実施形態をさらに具体的に説明する。(表1)に本発明の第1実施形態の実施例、比較例について、電解コンデンサ用電解液の組成と、比抵抗を示した。
本発明の第2実施形態の電解コンデンサ用電解液としては、前記第1実施形態において用いた直鎖の飽和ジカルボン酸に代えて脂肪酸アルカノールアミドを添加する以外は、前記第1実施形態と同様にして電解コンデンサ用電解液を調製する。
以下に、実施例により本発明の第2実施形態をさらに具体的に説明する。
まず、下記表3~5に示すように、第2実施形態の実施例及び比較例となる電解コンデンサ用電解液を調製し、それぞれの比抵抗を測定した。さらに第1実施形態と同様の方法で高温無負荷試験(105℃、1000時間放置)を行い、試験後の静電容量特性の変化率を確認した。
Claims (6)
- エチレングリコールと、電解液全体の15~50wt%の水に、アゼライン酸、セバシン酸、1-メチル-アゼライン酸、1,6-デカンジカルボン酸、および、その塩のうち少なくとも1種類を溶質として溶解し、一般式(化1)で表される直鎖の飽和ジカルボン酸を添加し、電極箔に疎水性皮膜を形成したことを特徴とする電解コンデンサ用電解液。
(化1)
HOOC(CH2)nCOOH
(式中、nは9~11の整数を表す。) - エチレングリコールと、電解液全体の15~50wt%の水に、アゼライン酸、セバシン酸、1-メチル-アゼライン酸、1,6-デカンジカルボン酸、および、その塩のうち少なくとも1種類を溶質として溶解し、脂肪酸アルカノールアミドを添加し、電極箔に疎水性皮膜を形成したことを特徴とする電解コンデンサ用電解液。
- エチレングリコールと、電解液全体の15~50wt%の水に、アゼライン酸、セバシン酸、1-メチル-アゼライン酸、1,6-デカンジカルボン酸、および、その塩のうち少なくとも1種類を溶質として溶解し、一般式(化1)で表される直鎖の飽和ジカルボン酸及び脂肪酸アルカノールアミドを添加し、電極箔に疎水性皮膜を形成したことを特徴とする電解コンデンサ用電解液。
(化1)
HOOC(CH2)nCOOH
(式中、nは9~11の整数を表す。) - 前記脂肪酸アルカノールアミドとして、ラウリン酸ジエタノールアミドを用いたことを特徴とする請求項2又は3記載の電解コンデンサ用電解液。
- 請求項1乃至4のいずれか一項に記載の電解コンデンサ用電解液を用いたことを特徴とする電解コンデンサ。
- エチレングリコールと、電解液全体の15~50wt%の水に、アゼライン酸、セバシン酸、1-メチル-アゼライン酸、1,6-デカンジカルボン酸、および、その塩のうち少なくとも1種類を溶質として溶解した電解液と、脂肪酸アルカノールアミドを含む疎水性皮膜を形成した電極箔と、を含むことを特徴とする電解コンデンサ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11759043.0A EP2555213B1 (en) | 2010-03-26 | 2011-03-25 | Electrolyte for electrolytic capacitor |
CN201180016008.1A CN102834882B (zh) | 2010-03-26 | 2011-03-25 | 电解电容器用电解液 |
JP2012506865A JP5900325B2 (ja) | 2010-03-26 | 2011-03-25 | 電解コンデンサ用電解液 |
US13/636,966 US9111685B2 (en) | 2010-03-26 | 2011-03-25 | Electrolytic solution for electrolytic capacitor |
KR1020127027814A KR101960548B1 (ko) | 2010-03-26 | 2011-03-25 | 전해 컨덴서용 전해액 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2010-071464 | 2010-03-26 | ||
JP2010071464 | 2010-03-26 |
Publications (1)
Publication Number | Publication Date |
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WO2011118234A1 true WO2011118234A1 (ja) | 2011-09-29 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2011/001794 WO2011118234A1 (ja) | 2010-03-26 | 2011-03-25 | 電解コンデンサ用電解液 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9111685B2 (ja) |
EP (1) | EP2555213B1 (ja) |
JP (1) | JP5900325B2 (ja) |
KR (1) | KR101960548B1 (ja) |
CN (1) | CN102834882B (ja) |
WO (1) | WO2011118234A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2021073720A (ja) * | 2019-01-11 | 2021-05-13 | パナソニックIpマネジメント株式会社 | 電解コンデンサ |
Families Citing this family (3)
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CN109216032B (zh) * | 2018-09-18 | 2020-10-30 | 益阳市锦汇电子有限公司 | 一种低腐蚀性电解电容器用电解液及其制备方法 |
JP7329986B2 (ja) * | 2019-06-26 | 2023-08-21 | ルビコン株式会社 | 電解コンデンサ |
US11763997B2 (en) * | 2021-05-10 | 2023-09-19 | Pacesetter, Inc. | Electrolytic capacitor |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6263416A (ja) * | 1985-09-13 | 1987-03-20 | ニチコン株式会社 | アルミニウム電解コンデンサ駆動用電解液 |
JPS62224919A (ja) * | 1986-03-27 | 1987-10-02 | 日立エーアイシー株式会社 | 電解コンデンサ用電解液 |
JPS63245916A (ja) * | 1986-09-11 | 1988-10-13 | 旭硝子株式会社 | アルミ電解コンデンサ |
JPH11145004A (ja) | 1997-11-11 | 1999-05-28 | Matsushita Electric Ind Co Ltd | 電解コンデンサ駆動用電解液およびそれを用いたストロボ用電解コンデンサ |
JP2002164260A (ja) | 2000-11-27 | 2002-06-07 | Nichicon Corp | 電解コンデンサの駆動用電解液 |
JP2004193435A (ja) * | 2002-12-12 | 2004-07-08 | Nippon Chemicon Corp | 電解コンデンサ用電解液 |
JP2007273928A (ja) * | 2006-03-31 | 2007-10-18 | Nippon Chemicon Corp | 電解コンデンサ |
JP2009088301A (ja) * | 2007-09-29 | 2009-04-23 | Nippon Chemicon Corp | 電解コンデンサ |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61294809A (ja) | 1985-06-22 | 1986-12-25 | エルナ−株式会社 | 電解コンデンサ駆動用電解液 |
US4747021A (en) * | 1986-08-15 | 1988-05-24 | Asahi Glass Company Ltd. | Electrolytic capacitor |
JP2701876B2 (ja) * | 1988-08-19 | 1998-01-21 | 日本ケミコン株式会社 | 電解コンデンサ用電解液 |
JP2815874B2 (ja) * | 1988-09-06 | 1998-10-27 | 日本ケミコン株式会社 | 電解コンデンサ用電解液 |
KR100566581B1 (ko) * | 1998-11-26 | 2006-05-25 | 오카무라 세이유 가부시키가이샤 | 장쇄이염기산조성물및이것을사용하는전해액 |
JP3623113B2 (ja) | 1998-12-03 | 2005-02-23 | ルビコン株式会社 | 電解コンデンサ |
JP2001143969A (ja) | 1999-11-11 | 2001-05-25 | Japan Carlit Co Ltd:The | 電解コンデンサ用電解液及び電解コンデンサ |
JP2002110469A (ja) | 2000-09-29 | 2002-04-12 | Nippon Chemicon Corp | 電解コンデンサ用電解液 |
JP3911145B2 (ja) * | 2000-11-10 | 2007-05-09 | 三洋化成工業株式会社 | 電気化学素子の電極用結合剤および電極の製造方法 |
JP4737354B2 (ja) | 2001-01-05 | 2011-07-27 | 日本ケミコン株式会社 | 電解コンデンサ用電解液およびそれを用いた電解コンデンサ。 |
KR100738848B1 (ko) * | 2001-01-15 | 2007-07-12 | 우베 고산 가부시키가이샤 | 데칸디카르복실산 조성물 및 이를 수득하기 위한 방법 |
US6743370B1 (en) * | 2002-05-23 | 2004-06-01 | Pacesetter, Inc. | Conductive electrolyte for high voltage capacitors |
US6888717B2 (en) * | 2003-06-13 | 2005-05-03 | Kemet Electronics Corporation | Working electrolyte for electrolytic capacitors |
TW200518143A (en) * | 2003-07-29 | 2005-06-01 | Matsushita Electric Ind Co Ltd | Aluminum electrolytic capacitor |
US7515396B2 (en) * | 2007-03-21 | 2009-04-07 | Avx Corporation | Solid electrolytic capacitor containing a conductive polymer |
CN101373665A (zh) * | 2007-08-23 | 2009-02-25 | 南通瑞达电子材料有限公司 | 电解电容器长寿命工作电解液 |
-
2011
- 2011-03-25 EP EP11759043.0A patent/EP2555213B1/en not_active Not-in-force
- 2011-03-25 WO PCT/JP2011/001794 patent/WO2011118234A1/ja active Application Filing
- 2011-03-25 JP JP2012506865A patent/JP5900325B2/ja active Active
- 2011-03-25 US US13/636,966 patent/US9111685B2/en not_active Expired - Fee Related
- 2011-03-25 CN CN201180016008.1A patent/CN102834882B/zh active Active
- 2011-03-25 KR KR1020127027814A patent/KR101960548B1/ko active IP Right Grant
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6263416A (ja) * | 1985-09-13 | 1987-03-20 | ニチコン株式会社 | アルミニウム電解コンデンサ駆動用電解液 |
JPS62224919A (ja) * | 1986-03-27 | 1987-10-02 | 日立エーアイシー株式会社 | 電解コンデンサ用電解液 |
JPS63245916A (ja) * | 1986-09-11 | 1988-10-13 | 旭硝子株式会社 | アルミ電解コンデンサ |
JPH11145004A (ja) | 1997-11-11 | 1999-05-28 | Matsushita Electric Ind Co Ltd | 電解コンデンサ駆動用電解液およびそれを用いたストロボ用電解コンデンサ |
JP2002164260A (ja) | 2000-11-27 | 2002-06-07 | Nichicon Corp | 電解コンデンサの駆動用電解液 |
JP2004193435A (ja) * | 2002-12-12 | 2004-07-08 | Nippon Chemicon Corp | 電解コンデンサ用電解液 |
JP2007273928A (ja) * | 2006-03-31 | 2007-10-18 | Nippon Chemicon Corp | 電解コンデンサ |
JP2009088301A (ja) * | 2007-09-29 | 2009-04-23 | Nippon Chemicon Corp | 電解コンデンサ |
Non-Patent Citations (1)
Title |
---|
See also references of EP2555213A4 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021073720A (ja) * | 2019-01-11 | 2021-05-13 | パナソニックIpマネジメント株式会社 | 電解コンデンサ |
JP7407371B2 (ja) | 2019-01-11 | 2024-01-04 | パナソニックIpマネジメント株式会社 | 電解コンデンサ |
Also Published As
Publication number | Publication date |
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US20130063868A1 (en) | 2013-03-14 |
KR20130018793A (ko) | 2013-02-25 |
JPWO2011118234A1 (ja) | 2013-07-04 |
KR101960548B1 (ko) | 2019-03-20 |
US9111685B2 (en) | 2015-08-18 |
CN102834882A (zh) | 2012-12-19 |
CN102834882B (zh) | 2017-03-15 |
EP2555213A4 (en) | 2015-06-10 |
JP5900325B2 (ja) | 2016-04-06 |
EP2555213B1 (en) | 2017-12-27 |
EP2555213A1 (en) | 2013-02-06 |
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