JP7329986B2 - 電解コンデンサ - Google Patents
電解コンデンサ Download PDFInfo
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- JP7329986B2 JP7329986B2 JP2019118448A JP2019118448A JP7329986B2 JP 7329986 B2 JP7329986 B2 JP 7329986B2 JP 2019118448 A JP2019118448 A JP 2019118448A JP 2019118448 A JP2019118448 A JP 2019118448A JP 7329986 B2 JP7329986 B2 JP 7329986B2
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- diethylamine
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- 239000003990 capacitor Substances 0.000 title claims description 40
- 239000008151 electrolyte solution Substances 0.000 claims description 82
- -1 carboxylic acid amine salt Chemical class 0.000 claims description 65
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 57
- 239000011888 foil Substances 0.000 claims description 43
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical compound O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 claims description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 claims description 10
- GJYJYFHBOBUTBY-UHFFFAOYSA-N alpha-camphorene Chemical compound CC(C)=CCCC(=C)C1CCC(CCC=C(C)C)=CC1 GJYJYFHBOBUTBY-UHFFFAOYSA-N 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 150000001735 carboxylic acids Chemical class 0.000 claims description 7
- CDAIKWBFCRKCQW-UHFFFAOYSA-N n-ethylethanamine;nonanedioic acid Chemical compound CCNCC.OC(=O)CCCCCCCC(O)=O CDAIKWBFCRKCQW-UHFFFAOYSA-N 0.000 claims description 6
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 claims description 6
- 229940067597 azelate Drugs 0.000 claims description 4
- RRAVTDUFNXCMKP-UHFFFAOYSA-N diethylazanium;6-hydroxy-6-oxohexanoate Chemical compound CCNCC.OC(=O)CCCCC(O)=O RRAVTDUFNXCMKP-UHFFFAOYSA-N 0.000 claims description 4
- XIKJPFMOSVKIKW-UHFFFAOYSA-N 2-butyloctanedioic acid;n-ethylethanamine Chemical compound CCNCC.CCCCC(C(O)=O)CCCCCC(O)=O XIKJPFMOSVKIKW-UHFFFAOYSA-N 0.000 claims description 3
- JMEZHDIMSVJTMI-UHFFFAOYSA-N 2-butyloctanedioic acid;n-methylmethanamine Chemical compound CNC.CCCCC(C(O)=O)CCCCCC(O)=O JMEZHDIMSVJTMI-UHFFFAOYSA-N 0.000 claims description 3
- YQCOSBVAJQCSEA-UHFFFAOYSA-N decanedioic acid;n-ethylethanamine Chemical compound CCNCC.OC(=O)CCCCCCCCC(O)=O YQCOSBVAJQCSEA-UHFFFAOYSA-N 0.000 claims description 3
- IBGQEAAKZMILJQ-UHFFFAOYSA-N decanedioic acid;n-methylmethanamine Chemical compound CNC.OC(=O)CCCCCCCCC(O)=O IBGQEAAKZMILJQ-UHFFFAOYSA-N 0.000 claims description 3
- LITHWIKXKHFPNS-UHFFFAOYSA-N hexanedioic acid;n-methylmethanamine Chemical compound CNC.OC(=O)CCCCC(O)=O LITHWIKXKHFPNS-UHFFFAOYSA-N 0.000 claims description 3
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 1
- BUGITQQYIFJSED-UHFFFAOYSA-N n-methylmethanamine;2-methylnonanedioic acid Chemical compound CNC.OC(=O)C(C)CCCCCCC(O)=O BUGITQQYIFJSED-UHFFFAOYSA-N 0.000 claims 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 34
- 150000003839 salts Chemical class 0.000 description 34
- 230000000052 comparative effect Effects 0.000 description 30
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 24
- 230000000694 effects Effects 0.000 description 17
- 239000003792 electrolyte Substances 0.000 description 15
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 12
- 238000011156 evaluation Methods 0.000 description 12
- 238000005259 measurement Methods 0.000 description 12
- 230000009467 reduction Effects 0.000 description 10
- 239000000126 substance Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 230000006866 deterioration Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 229940021013 electrolyte solution Drugs 0.000 description 6
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 150000001412 amines Chemical class 0.000 description 5
- 150000002430 hydrocarbons Chemical group 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 238000006703 hydration reaction Methods 0.000 description 4
- ACVYVLVWPXVTIT-UHFFFAOYSA-M phosphinate Chemical compound [O-][PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-M 0.000 description 4
- 229920000570 polyether Polymers 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000004721 Polyphenylene oxide Substances 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical class CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 150000003863 ammonium salts Chemical class 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- SGVYKUFIHHTIFL-UHFFFAOYSA-N 2-methylnonane Chemical compound CCCCCCCC(C)C SGVYKUFIHHTIFL-UHFFFAOYSA-N 0.000 description 2
- FLDCSPABIQBYKP-UHFFFAOYSA-N 5-chloro-1,2-dimethylbenzimidazole Chemical compound ClC1=CC=C2N(C)C(C)=NC2=C1 FLDCSPABIQBYKP-UHFFFAOYSA-N 0.000 description 2
- 239000001741 Ammonium adipate Substances 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 235000019293 ammonium adipate Nutrition 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- TVIDDXQYHWJXFK-UHFFFAOYSA-N dodecanedioic acid Chemical compound OC(=O)CCCCCCCCCCC(O)=O TVIDDXQYHWJXFK-UHFFFAOYSA-N 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- FVHAWXWFPBPFOS-UHFFFAOYSA-N 1,2-dimethyl-3-nitrobenzene Chemical group CC1=CC=CC([N+]([O-])=O)=C1C FVHAWXWFPBPFOS-UHFFFAOYSA-N 0.000 description 1
- BQNDPALRJDCXOY-UHFFFAOYSA-N 2,3-dibutylbutanedioic acid Chemical compound CCCCC(C(O)=O)C(C(O)=O)CCCC BQNDPALRJDCXOY-UHFFFAOYSA-N 0.000 description 1
- KWIPUXXIFQQMKN-UHFFFAOYSA-N 2-azaniumyl-3-(4-cyanophenyl)propanoate Chemical compound OC(=O)C(N)CC1=CC=C(C#N)C=C1 KWIPUXXIFQQMKN-UHFFFAOYSA-N 0.000 description 1
- OWCLRJQYKBAMOL-UHFFFAOYSA-N 2-butyloctanedioic acid Chemical compound CCCCC(C(O)=O)CCCCCC(O)=O OWCLRJQYKBAMOL-UHFFFAOYSA-N 0.000 description 1
- XWVFEDFALKHCLK-UHFFFAOYSA-N 2-methylnonanedioic acid Chemical compound OC(=O)C(C)CCCCCCC(O)=O XWVFEDFALKHCLK-UHFFFAOYSA-N 0.000 description 1
- JTWHVBNYYWFXSI-UHFFFAOYSA-N 2-nitro-1-phenylethanone Chemical compound [O-][N+](=O)CC(=O)C1=CC=CC=C1 JTWHVBNYYWFXSI-UHFFFAOYSA-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
- LHSCNQRBIIDZCB-UHFFFAOYSA-N 3-tert-butyladipic acid Chemical compound OC(=O)CC(C(C)(C)C)CCC(O)=O LHSCNQRBIIDZCB-UHFFFAOYSA-N 0.000 description 1
- FCEUHAMMXRPAQH-UHFFFAOYSA-N 4,6-bis(methoxycarbonyl)-2,4,6-trimethyltridecanedioic acid Chemical compound OC(=O)C(C)CC(C)(C(=O)OC)CC(C)(C(=O)OC)CCCCCCC(O)=O FCEUHAMMXRPAQH-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- RKHHHYNKIUCNHN-UHFFFAOYSA-N 4-methylnonanedioic acid Chemical compound OC(=O)CCC(C)CCCCC(O)=O RKHHHYNKIUCNHN-UHFFFAOYSA-N 0.000 description 1
- IAZDYDFYNOVSRO-UHFFFAOYSA-N 8,9-bis(methoxycarbonyl)-8,9-dimethylhexadecanedioic acid Chemical compound OC(=O)CCCCCCC(C)(C(=O)OC)C(C)(CCCCCCC(O)=O)C(=O)OC IAZDYDFYNOVSRO-UHFFFAOYSA-N 0.000 description 1
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- IEELRRKESPCBSK-UHFFFAOYSA-N CCCCCCCCCCCCCCC=CC=C(C)C Chemical compound CCCCCCCCCCCCCCC=CC=C(C)C IEELRRKESPCBSK-UHFFFAOYSA-N 0.000 description 1
- AEPHIADAMSFZSG-UHFFFAOYSA-N CCCCCCCCCCCCCCCC(C)C(C)(C(C(O)=O)(C(O)=O)C(O)=O)C(O)=O Chemical compound CCCCCCCCCCCCCCCC(C)C(C)(C(C(O)=O)(C(O)=O)C(O)=O)C(O)=O AEPHIADAMSFZSG-UHFFFAOYSA-N 0.000 description 1
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 description 1
- KKUKTXOBAWVSHC-UHFFFAOYSA-N Dimethylphosphate Chemical compound COP(O)(=O)OC KKUKTXOBAWVSHC-UHFFFAOYSA-N 0.000 description 1
- JDRJCBXXDRYVJC-UHFFFAOYSA-N OP(O)O.N.N.N Chemical compound OP(O)O.N.N.N JDRJCBXXDRYVJC-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 229940090948 ammonium benzoate Drugs 0.000 description 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 1
- 235000019289 ammonium phosphates Nutrition 0.000 description 1
- 238000002048 anodisation reaction Methods 0.000 description 1
- JZIWMKUVMWKKLP-UHFFFAOYSA-N azane;4-nitrobenzoic acid Chemical compound [NH4+].[O-]C(=O)C1=CC=C([N+]([O-])=O)C=C1 JZIWMKUVMWKKLP-UHFFFAOYSA-N 0.000 description 1
- MNNDDJIKWGFEJB-UHFFFAOYSA-N benzoic acid;n,n-diethylethanamine Chemical compound CCN(CC)CC.OC(=O)C1=CC=CC=C1 MNNDDJIKWGFEJB-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- UCQFCFPECQILOL-UHFFFAOYSA-N diethyl hydrogen phosphate Chemical compound CCOP(O)(=O)OCC UCQFCFPECQILOL-UHFFFAOYSA-N 0.000 description 1
- ZJXZSIYSNXKHEA-UHFFFAOYSA-N ethyl dihydrogen phosphate Chemical compound CCOP(O)(O)=O ZJXZSIYSNXKHEA-UHFFFAOYSA-N 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical class [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- PLZDDPSCZHRBOY-UHFFFAOYSA-N inaktives 3-Methyl-nonan Natural products CCCCCCC(C)CC PLZDDPSCZHRBOY-UHFFFAOYSA-N 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 235000010355 mannitol Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- CAAULPUQFIIOTL-UHFFFAOYSA-N methyl dihydrogen phosphate Chemical compound COP(O)(O)=O CAAULPUQFIIOTL-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XUZLXCQFXTZASF-UHFFFAOYSA-N nitro(phenyl)methanol Chemical compound [O-][N+](=O)C(O)C1=CC=CC=C1 XUZLXCQFXTZASF-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 150000005846 sugar alcohols Chemical class 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 1
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-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
-
- 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
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/042—Electrodes or formation of dielectric layers thereon characterised by the material
- H01G9/045—Electrodes or formation of dielectric layers thereon characterised by the material based on aluminium
-
- 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
- H01G9/145—Liquid electrolytic capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
実施例1~6の電解液2eは、エチレングリコールと、水と、1~12[質量%]の多価カルボン酸のアミン塩とを含有し、次亜リン酸またはその塩を0.01~2[質量%]添加している。作製した実施例の各電解液2eについて火花電圧測定を行って、400V到達時間[秒]と最高到達電圧[V]を評価した。各電解液の組成、及び性能評価結果を次の表1に示す。
参考例1~2の電解液は、エチレングリコールと、水と、14~20[質量%]の多価カルボン酸のアミン塩とを含有し、次亜リン酸またはその塩を0.01~2[質量%]添加している。作製した参考例の各電解液について火花電圧測定を行って、400V到達時間[秒]と最高到達電圧[V]を評価した。各電解液の組成、及び性能評価結果を次の表2に示す。
比較例1~8の電解液は、エチレングリコールと、水と、1~20[質量%]の多価カルボン酸のアミン塩とを含有している。しかし、次亜リン酸またはその塩は添加していない。作製した比較例の各電解液について火花電圧測定を行って、400V到達時間[秒]と最高到達電圧[V]を評価した。各電解液の組成、及び性能評価結果を次の表3と表4に示す。
実施例7~8の電解液は、エチレングリコールと、水と、1~12[質量%]の多価カルボン酸のアミン塩とを含有し、次亜リン酸またはその塩を0.01~2[質量%]添加している。作製した実施例の各電解液2eについて火花電圧測定を行って、400V到達時間[秒]と最高到達電圧[V]を評価した。各電解液の組成、及び性能評価結果を次の表5に示す。
比較例9~10の電解液は、エチレングリコールと、水と、1~12[質量%]の多価カルボン酸のアミン塩とを含有している。しかし、次亜リン酸またはその塩は添加していない。作製した比較例の各電解液について火花電圧測定を行って、400V到達時間[秒]と最高到達電圧[V]を評価した。各電解液の組成、及び性能評価結果を次の表6に示す。
実施例9~27の電解液2eは、エチレングリコールと、10[質量%]の水と、6[質量%]の多価カルボン酸のアミン塩の種を変更したものとを含有し、次亜リン酸またはその塩を0.3[質量%]添加している。作製した実施例の各電解液2eについて火花電圧測定を行って、400V到達時間[秒]と最高到達電圧[V]を評価した。各電解液の組成、及び性能評価結果を次の表7に示す。
比較例11~29の電解液は、エチレングリコールと、10[質量%]の水と、6[質量%]の多価カルボン酸のアミン塩の種を変更したものとを含有している。しかし、次亜リン酸またはその塩は添加していない。作製した比較例の各電解液について火花電圧測定を行って、400V到達時間[秒]と最高到達電圧[V]を評価した。各電解液の組成、及び性能評価結果を次の表8に示す。
2 コンデンサ素子
2a 陽極箔
2e 電解液
3 封口体
4 ケース
5 リード端子
Claims (2)
- 酸化皮膜が形成された陽極箔と、陰極箔と、前記陽極箔と前記陰極箔との間に配設されたセパレータとを有するコンデンサ素子と、前記コンデンサ素子に導入された電解液とを備え、
前記電解液はエチレングリコールと、10~30質量%の水と、1~12質量%のカルボン酸のアミン塩とを含有し、次亜リン酸アンモニウム、次亜リン酸アミン塩、次亜リン酸のいずれか一種以上を0.01~2質量%添加しており、
前記カルボン酸は、鎖状の炭化水素骨格を有するとともに分子量が140~240の多価カルボン酸であるとともに、前記カルボン酸のアミン塩は、アジピン酸ジメチルアミン、アジピン酸ジエチルアミン、アゼライン酸ジメチルアミン、アゼライン酸ジエチルアミン、セバシン酸ジメチルアミン、セバシン酸ジエチルアミン、セバシン酸エチルジメチルアミン、2-メチルノナン二酸ジメチルアミン、2-メチルノナン二酸ジエチルアミン、3-tert-ブチルヘキサン二酸ジメチルアミン、3-tert-ブチルヘキサン二酸ジエチルアミン、1,6-デカンジカルボン酸ジメチルアミン、1,6-デカンジカルボン酸ジエチルアミン、から選択される一種以上であること
を特徴とする電解コンデンサ。 - 前記陽極箔として皮膜耐電圧と単位投影面積あたりの静電容量との積が300V・μF/cm2以上のアルミニウム箔を用いており、耐電圧が400V以上であること
を特徴とする請求項1に記載の電解コンデンサ。
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CN202080044997.4A CN113994445A (zh) | 2019-06-26 | 2020-06-16 | 电解电容器 |
US17/613,187 US20220319779A1 (en) | 2019-06-26 | 2020-06-16 | Electrolytic capacitor |
PCT/JP2020/023491 WO2020262091A1 (ja) | 2019-06-26 | 2020-06-16 | 電解コンデンサ |
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JP2005019773A (ja) | 2003-06-27 | 2005-01-20 | Nichicon Corp | アルミニウム電解コンデンサ |
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JPS57141913A (en) * | 1981-02-27 | 1982-09-02 | Hitachi Condenser | Electrolyte for electrolytic condenser |
US4509094A (en) * | 1984-02-21 | 1985-04-02 | Sprague Electric Company | Electrolytic capacitor for at least 150 V service |
US4578204A (en) * | 1984-04-20 | 1986-03-25 | Emhart Industries, Inc. | High voltage electrolite |
JPH06151251A (ja) * | 1992-10-29 | 1994-05-31 | Hitachi Aic Inc | 電解コンデンサ用電解液 |
US6687117B2 (en) * | 2002-01-31 | 2004-02-03 | Wilson Greatbatch Technologies, Inc. | Electrolytes for capacitors |
US7163643B2 (en) * | 2003-06-26 | 2007-01-16 | Matsushita Electric Industrial Co., Ltd. | Driving electrolyte and electrolytic capacitor using the same |
US20090303664A1 (en) * | 2005-11-15 | 2009-12-10 | Nippon Chemi-Con Corporation | Electrolytic capacitor |
US7585428B1 (en) * | 2007-04-05 | 2009-09-08 | Pacesetter, Inc. | Electrolyte with enhanced leakage detection for electrolytic capacitors and method for detecting leakage |
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US9959977B2 (en) * | 2013-06-28 | 2018-05-01 | Carlit Holdings Co., Ltd. | Electrolysis solution for electrolytic capacitor, and electrolytic capacitor |
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