WO2004042756A1 - 電解コンデンサ - Google Patents
電解コンデンサ Download PDFInfo
- Publication number
- WO2004042756A1 WO2004042756A1 PCT/JP2003/014215 JP0314215W WO2004042756A1 WO 2004042756 A1 WO2004042756 A1 WO 2004042756A1 JP 0314215 W JP0314215 W JP 0314215W WO 2004042756 A1 WO2004042756 A1 WO 2004042756A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electrode foil
- foil
- cathode
- electrolytic
- aluminum
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 87
- 239000011888 foil Substances 0.000 claims abstract description 121
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 36
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 36
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 15
- 239000000126 substance Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 5
- 239000008151 electrolyte solution Substances 0.000 claims description 33
- UYOMQIYKOOHAMK-UHFFFAOYSA-K aluminum hydron tetrafluoride Chemical compound [H+].[F-].[F-].[F-].[F-].[Al+3] UYOMQIYKOOHAMK-UHFFFAOYSA-K 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 15
- 238000000605 extraction Methods 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 229920005549 butyl rubber Polymers 0.000 claims description 9
- 150000002978 peroxides Chemical class 0.000 claims description 9
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 claims description 8
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 4
- 239000003431 cross linking reagent Substances 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 claims description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 3
- CFJRGWXELQQLSA-UHFFFAOYSA-N azanylidyneniobium Chemical compound [Nb]#N CFJRGWXELQQLSA-UHFFFAOYSA-N 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 239000010955 niobium Substances 0.000 claims description 3
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 3
- 229910052715 tantalum Inorganic materials 0.000 claims description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 3
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- ZVWKZXLXHLZXLS-UHFFFAOYSA-N zirconium nitride Chemical compound [Zr]#N ZVWKZXLXHLZXLS-UHFFFAOYSA-N 0.000 claims description 3
- 238000010306 acid treatment Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 1
- 239000003792 electrolyte Substances 0.000 abstract description 18
- 238000006243 chemical reaction Methods 0.000 abstract description 15
- 230000002349 favourable effect Effects 0.000 abstract 4
- 230000001747 exhibiting effect Effects 0.000 abstract 1
- -1 imidazolinium cation Chemical class 0.000 description 31
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 19
- 235000011007 phosphoric acid Nutrition 0.000 description 16
- 238000005530 etching Methods 0.000 description 14
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 14
- 150000003839 salts Chemical class 0.000 description 11
- 239000007864 aqueous solution Substances 0.000 description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 9
- 239000010410 layer Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- 238000007654 immersion Methods 0.000 description 6
- 150000001768 cations Chemical class 0.000 description 5
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 5
- 239000004254 Ammonium phosphate Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 4
- 235000019289 ammonium phosphates Nutrition 0.000 description 4
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 4
- 230000009257 reactivity Effects 0.000 description 4
- FLDCSPABIQBYKP-UHFFFAOYSA-N 5-chloro-1,2-dimethylbenzimidazole Chemical compound ClC1=CC=C2N(C)C(C)=NC2=C1 FLDCSPABIQBYKP-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- 239000001741 Ammonium adipate Substances 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
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- 235000019293 ammonium adipate Nutrition 0.000 description 3
- 150000003863 ammonium salts Chemical class 0.000 description 3
- 239000010407 anodic oxide Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 150000003335 secondary amines Chemical class 0.000 description 3
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- WYXIGTJNYDDFFH-UHFFFAOYSA-Q triazanium;borate Chemical compound [NH4+].[NH4+].[NH4+].[O-]B([O-])[O-] WYXIGTJNYDDFFH-UHFFFAOYSA-Q 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- MCTWTZJPVLRJOU-UHFFFAOYSA-N 1-methyl-1H-imidazole Chemical compound CN1C=CN=C1 MCTWTZJPVLRJOU-UHFFFAOYSA-N 0.000 description 2
- WKFQMDFSDQFAIC-UHFFFAOYSA-N 2,4-dimethylthiolane 1,1-dioxide Chemical compound CC1CC(C)S(=O)(=O)C1 WKFQMDFSDQFAIC-UHFFFAOYSA-N 0.000 description 2
- CMJLMPKFQPJDKP-UHFFFAOYSA-N 3-methylthiolane 1,1-dioxide Chemical compound CC1CCS(=O)(=O)C1 CMJLMPKFQPJDKP-UHFFFAOYSA-N 0.000 description 2
- OZJPLYNZGCXSJM-UHFFFAOYSA-N 5-valerolactone Chemical compound O=C1CCCCO1 OZJPLYNZGCXSJM-UHFFFAOYSA-N 0.000 description 2
- JYFHYPJRHGVZDY-UHFFFAOYSA-N Dibutyl phosphate Chemical compound CCCCOP(O)(=O)OCCCC JYFHYPJRHGVZDY-UHFFFAOYSA-N 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-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
- 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
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 2
- ATHHXGZTWNVVOU-UHFFFAOYSA-N N-methylformamide Chemical compound CNC=O ATHHXGZTWNVVOU-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000003929 acidic solution Substances 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- 125000000320 amidine group Chemical class 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 2
- 159000000007 calcium salts Chemical class 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 150000001923 cyclic compounds Chemical group 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- GAEKPEKOJKCEMS-UHFFFAOYSA-N gamma-valerolactone Chemical compound CC1CCC(=O)O1 GAEKPEKOJKCEMS-UHFFFAOYSA-N 0.000 description 2
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical compound O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 description 2
- 150000003016 phosphoric acids Chemical class 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 159000000001 potassium salts Chemical class 0.000 description 2
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 2
- 239000003586 protic polar solvent Substances 0.000 description 2
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- DZLFLBLQUQXARW-UHFFFAOYSA-N tetrabutylammonium Chemical compound CCCC[N+](CCCC)(CCCC)CCCC DZLFLBLQUQXARW-UHFFFAOYSA-N 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- PYOLJOJPIPCRDP-UHFFFAOYSA-N 1,1,3-trimethylcyclohexane Chemical compound CC1CCCC(C)(C)C1 PYOLJOJPIPCRDP-UHFFFAOYSA-N 0.000 description 1
- XLSXKCPCBOMHON-UHFFFAOYSA-N 1,1-dimethoxypropan-1-ol Chemical compound CCC(O)(OC)OC XLSXKCPCBOMHON-UHFFFAOYSA-N 0.000 description 1
- OTPDWCMLUKMQNO-UHFFFAOYSA-N 1,2,3,4-tetrahydropyrimidine Chemical group C1NCC=CN1 OTPDWCMLUKMQNO-UHFFFAOYSA-N 0.000 description 1
- HJSYENHCQNNLAS-UHFFFAOYSA-N 1,2,4-trimethyl-4,5-dihydroimidazole Chemical compound CC1CN(C)C(C)=N1 HJSYENHCQNNLAS-UHFFFAOYSA-N 0.000 description 1
- OKIRBHVFJGXOIS-UHFFFAOYSA-N 1,2-di(propan-2-yl)benzene Chemical compound CC(C)C1=CC=CC=C1C(C)C OKIRBHVFJGXOIS-UHFFFAOYSA-N 0.000 description 1
- QEIHVTKMBYEXPZ-UHFFFAOYSA-N 1,2-dimethyl-4,5-dihydroimidazole Chemical compound CN1CCN=C1C QEIHVTKMBYEXPZ-UHFFFAOYSA-N 0.000 description 1
- GIWQSPITLQVMSG-UHFFFAOYSA-N 1,2-dimethylimidazole Chemical compound CC1=NC=CN1C GIWQSPITLQVMSG-UHFFFAOYSA-N 0.000 description 1
- JJNFHWKVZWAKEB-UHFFFAOYSA-N 1,3,4-trimethylimidazolidin-2-one Chemical compound CC1CN(C)C(=O)N1C JJNFHWKVZWAKEB-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
- UBRWPVTUQDJKCC-UHFFFAOYSA-N 1,3-bis(2-tert-butylperoxypropan-2-yl)benzene Chemical compound CC(C)(C)OOC(C)(C)C1=CC=CC(C(C)(C)OOC(C)(C)C)=C1 UBRWPVTUQDJKCC-UHFFFAOYSA-N 0.000 description 1
- MCVXHGJXDHZDJG-UHFFFAOYSA-N 1-butylcyclohexa-2,4-diene-1-carboperoxoic acid Chemical compound CCCCC1(C(=O)OO)CC=CC=C1 MCVXHGJXDHZDJG-UHFFFAOYSA-N 0.000 description 1
- VMZNMSUASLBPDS-UHFFFAOYSA-N 1-ethyl-2-methyl-4,5-dihydroimidazole Chemical compound CCN1CCN=C1C VMZNMSUASLBPDS-UHFFFAOYSA-N 0.000 description 1
- NYYVCPHBKQYINK-UHFFFAOYSA-N 1-ethyl-2-methylimidazole Chemical compound CCN1C=CN=C1C NYYVCPHBKQYINK-UHFFFAOYSA-N 0.000 description 1
- OEYNWAWWSZUGDU-UHFFFAOYSA-N 1-methoxypropane-1,2-diol Chemical compound COC(O)C(C)O OEYNWAWWSZUGDU-UHFFFAOYSA-N 0.000 description 1
- VWUDGSYCJGEGOI-UHFFFAOYSA-N 1-methyl-2-phenyl-4,5-dihydroimidazole Chemical compound CN1CCN=C1C1=CC=CC=C1 VWUDGSYCJGEGOI-UHFFFAOYSA-N 0.000 description 1
- ANFXTILBDGTSEG-UHFFFAOYSA-N 1-methyl-4,5-dihydroimidazole Chemical compound CN1CCN=C1 ANFXTILBDGTSEG-UHFFFAOYSA-N 0.000 description 1
- ABNDDOBSIHWESM-UHFFFAOYSA-N 1-methyl-5,6-dihydro-4h-pyrimidine Chemical compound CN1CCCN=C1 ABNDDOBSIHWESM-UHFFFAOYSA-N 0.000 description 1
- SEULWJSKCVACTH-UHFFFAOYSA-N 1-phenylimidazole Chemical compound C1=NC=CN1C1=CC=CC=C1 SEULWJSKCVACTH-UHFFFAOYSA-N 0.000 description 1
- WVGXBYVKFQJQGN-UHFFFAOYSA-N 1-tert-butylperoxy-2-propan-2-ylbenzene Chemical compound CC(C)C1=CC=CC=C1OOC(C)(C)C WVGXBYVKFQJQGN-UHFFFAOYSA-N 0.000 description 1
- BGJIYLONAXQSAG-UHFFFAOYSA-N 2,2,4-trimethylimidazole Chemical compound CC1=NC(C)(C)N=C1 BGJIYLONAXQSAG-UHFFFAOYSA-N 0.000 description 1
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
- BAXXIBXLWXEPGF-UHFFFAOYSA-N 2-benzyl-1-methylbenzimidazole Chemical compound N=1C2=CC=CC=C2N(C)C=1CC1=CC=CC=C1 BAXXIBXLWXEPGF-UHFFFAOYSA-N 0.000 description 1
- VSKIZLPBNBFXMZ-UHFFFAOYSA-N 2-carboxybenzoate;1-ethyl-2,3-dimethylimidazolidin-1-ium Chemical compound CC[NH+]1CCN(C)C1C.OC(=O)C1=CC=CC=C1C([O-])=O VSKIZLPBNBFXMZ-UHFFFAOYSA-N 0.000 description 1
- PQAMFDRRWURCFQ-UHFFFAOYSA-N 2-ethyl-1h-imidazole Chemical compound CCC1=NC=CN1 PQAMFDRRWURCFQ-UHFFFAOYSA-N 0.000 description 1
- QUPKCFBHJFNUEW-UHFFFAOYSA-N 2-ethyl-4,5-dihydro-1h-imidazole Chemical class CCC1=NCCN1 QUPKCFBHJFNUEW-UHFFFAOYSA-N 0.000 description 1
- SJZRECIVHVDYJC-UHFFFAOYSA-N 4-hydroxybutyric acid Chemical compound OCCCC(O)=O SJZRECIVHVDYJC-UHFFFAOYSA-N 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- PDAXJVMXHHATAJ-UHFFFAOYSA-N CCCCO[PH2]=O Chemical compound CCCCO[PH2]=O PDAXJVMXHHATAJ-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- DBVJJBKOTRCVKF-UHFFFAOYSA-N Etidronic acid Chemical compound OP(=O)(O)C(O)(C)P(O)(O)=O DBVJJBKOTRCVKF-UHFFFAOYSA-N 0.000 description 1
- RAXXELZNTBOGNW-UHFFFAOYSA-O Imidazolium Chemical compound C1=C[NH+]=CN1 RAXXELZNTBOGNW-UHFFFAOYSA-O 0.000 description 1
- UEZVMMHDMIWARA-UHFFFAOYSA-N Metaphosphoric acid Chemical compound OP(=O)=O UEZVMMHDMIWARA-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
- OHLUUHNLEMFGTQ-UHFFFAOYSA-N N-methylacetamide Chemical compound CNC(C)=O OHLUUHNLEMFGTQ-UHFFFAOYSA-N 0.000 description 1
- QPFYXYFORQJZEC-FOCLMDBBSA-N Phenazopyridine Chemical compound NC1=NC(N)=CC=C1\N=N\C1=CC=CC=C1 QPFYXYFORQJZEC-FOCLMDBBSA-N 0.000 description 1
- QLZHNIAADXEJJP-UHFFFAOYSA-N Phenylphosphonic acid Chemical compound OP(O)(=O)C1=CC=CC=C1 QLZHNIAADXEJJP-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241001061127 Thione Species 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- YDONNITUKPKTIG-UHFFFAOYSA-N [Nitrilotris(methylene)]trisphosphonic acid Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CP(O)(O)=O YDONNITUKPKTIG-UHFFFAOYSA-N 0.000 description 1
- PCXWYMXJVNPICR-UHFFFAOYSA-K aluminum;1-ethyl-2,3-dimethylimidazolidin-1-ium;tetrafluoride Chemical compound [F-].[F-].[F-].[F-].[Al+3].CC[NH+]1CCN(C)C1C PCXWYMXJVNPICR-UHFFFAOYSA-K 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 238000007743 anodising Methods 0.000 description 1
- 239000000010 aprotic solvent Substances 0.000 description 1
- 150000001556 benzimidazoles Chemical class 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- HAISMSJTPGJFIP-UHFFFAOYSA-N butyl 4-tert-butyl-4,5,5-trimethylhexaneperoxoate Chemical compound CCCCOOC(=O)CCC(C)(C(C)(C)C)C(C)(C)C HAISMSJTPGJFIP-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 150000003950 cyclic amides Chemical class 0.000 description 1
- KTHXBEHDVMTNOH-UHFFFAOYSA-N cyclobutanol Chemical compound OC1CCC1 KTHXBEHDVMTNOH-UHFFFAOYSA-N 0.000 description 1
- HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 description 1
- XCIXKGXIYUWCLL-UHFFFAOYSA-N cyclopentanol Chemical compound OC1CCCC1 XCIXKGXIYUWCLL-UHFFFAOYSA-N 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical compound OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 description 1
- WEHWNAOGRSTTBQ-UHFFFAOYSA-N dipropylamine Chemical compound CCCNCCC WEHWNAOGRSTTBQ-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
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- LIWAQLJGPBVORC-UHFFFAOYSA-N ethylmethylamine Chemical compound CCNC LIWAQLJGPBVORC-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 description 1
- 150000002432 hydroperoxides Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- MTNDZQHUAFNZQY-UHFFFAOYSA-N imidazoline Chemical group C1CN=CN1 MTNDZQHUAFNZQY-UHFFFAOYSA-N 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- YHLVIDQQTOMBGN-UHFFFAOYSA-N methyl prop-2-enyl carbonate Chemical compound COC(=O)OCC=C YHLVIDQQTOMBGN-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- YWWHKOHZGJFMIE-UHFFFAOYSA-N monoethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(O)=O YWWHKOHZGJFMIE-UHFFFAOYSA-N 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
- 150000002828 nitro derivatives Chemical class 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000010060 peroxide vulcanization Methods 0.000 description 1
- 125000005634 peroxydicarbonate group Chemical group 0.000 description 1
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
- 150000003009 phosphonic acids Chemical class 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 230000026731 phosphorylation Effects 0.000 description 1
- 238000006366 phosphorylation reaction Methods 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 229940070891 pyridium Drugs 0.000 description 1
- 229940005657 pyrophosphoric acid Drugs 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 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 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 125000005207 tetraalkylammonium group Chemical group 0.000 description 1
- CBXCPBUEXACCNR-UHFFFAOYSA-N tetraethylammonium Chemical compound CC[N+](CC)(CC)CC CBXCPBUEXACCNR-UHFFFAOYSA-N 0.000 description 1
- QEMXHQIAXOOASZ-UHFFFAOYSA-N tetramethylammonium Chemical compound C[N+](C)(C)C QEMXHQIAXOOASZ-UHFFFAOYSA-N 0.000 description 1
- OSBSFAARYOCBHB-UHFFFAOYSA-N tetrapropylammonium Chemical compound CCC[N+](CCC)(CCC)CCC OSBSFAARYOCBHB-UHFFFAOYSA-N 0.000 description 1
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 1
- SEACXNRNJAXIBM-UHFFFAOYSA-N triethyl(methyl)azanium Chemical compound CC[N+](C)(CC)CC SEACXNRNJAXIBM-UHFFFAOYSA-N 0.000 description 1
- 229940086542 triethylamine Drugs 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-N triphosphoric acid Chemical compound OP(O)(=O)OP(O)(=O)OP(O)(O)=O UNXRWKVEANCORM-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
- H01G9/008—Terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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 OR LIGHT-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 OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/15—Solid electrolytic capacitors
- H01G9/151—Solid electrolytic capacitors with wound foil electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
- H01G9/02—Diaphragms; Separators
Definitions
- the present invention relates to an electrolytic capacitor, and more particularly to an electrolytic capacitor having low impedance characteristics and high withstand voltage characteristics.
- An electrolytic capacitor generally has a structure as shown in FIG. That is, the strip-shaped high-purity aluminum foil is chemically or electrochemically etched to enlarge the surface of the aluminum foil, and the aluminum foil is placed in a chemical solution such as an aqueous solution of ammonium borate. Electrode foil 2 having an oxide film layer formed on the surface by chemical conversion treatment, and cathode electrode foil 3 made of high-purity aluminum foil which has been subjected only to etching treatment, are separated by a separator made of manila paper etc. To form a capacitor element 1. Then, the capacitor element 1 is impregnated with an electrolytic solution for driving an electrolytic capacitor, and then stored in a bottomed cylindrical outer case 10 made of aluminum or the like. A sealing body 12 made of elastic rubber is attached to the opening of the outer case 10, and the outer case 10 is sealed by drawing.
- the lead wires 4 and 5 which are the electrode lead-out means for pulling out the electrodes of both poles to the outside, are attached to the anode electrode foil 2 and the cathode electrode foil 3 by means such as stitching and ultrasonic welding. It is connected.
- the lead wires 4 and 5, which are the respective electrode lead-out means, are made of an aluminum electrode tab 9 consisting of a round bar 6 and a connecting portion 7 which comes into contact with the bipolar electrode foils 2 and 3, and a tip of the round bar 6 It is composed of an external connection part 8 made of a solderable metal fixed to the base.
- a salt containing ⁇ -butyrolactone as a main solvent an imidazolinium cation or an imidazolium cation, which is a cation obtained by quaternizing a cyclic amidine compound as a solute, as a cation component, and a conjugate base of an acid as an anion component. Is used. (See JP-A-08-321440 and JP-A-08-321440).
- the above-mentioned electrolytic capacitor cannot cope with such low impedance characteristics, and its withstand voltage is limited to 30 V. It could not meet the demand for high withstand voltage. Also, the electrolyte tends to leak from the through hole for the lead wire 5 for drawing out the cathode of the sealing body 12, and the capacitance of the electrolytic condenser decreases because the electrolyte leaks. However, there is a drawback that the electrical characteristics of the capacitor are deteriorated and the life of the electrolytic capacitor is shortened as a result.
- the present invention provides an electrolytic capacitor having low impedance characteristics, a high withstand voltage characteristic of a class of 100 V, and a good high-temperature life characteristic.
- the purpose is to do. Disclosure of the invention
- a first electrolytic capacitor according to the present invention comprises a capacitor element formed by winding an anode electrode foil and a cathode electrode foil to which an anode tab and a cathode tab are connected, respectively, through a separator, and impregnating the electrolyte with a capacitor.
- an electrolytic capacitor in which the element is housed in a bottomed cylindrical outer case and the opening end of the outer case is sealed with a sealing body, an electrolytic solution containing an aluminum tetrafluoride salt is used as an electrolytic solution, and a cathode is used.
- the electrode foil a foil is used in which at least the electrode potential in the electrolytic solution also shows a noble potential at the cathode electrode.
- a metal electrode selected from titanium nitride, zirconium nitride, tantalum nitride, and niobium nitride is provided on a surface of an aluminum foil as a cathode electrode foil in which an electrode potential in an electrolytic solution shows a potential nobler than the cathode tab.
- a foil provided with a layer of 0.02 to 0.1 ⁇ made of a metal selected from titanium, zirconium, tantalum, and niobium is used.
- FIG. 1 is an internal cross-sectional view showing the structure of the electrolytic capacitor
- FIG. 2 is an exploded perspective view showing the structure of the capacitor element.
- the structure of the aluminum electrolytic capacitor is the same as the conventional structure, as shown in Figs.
- the capacitor element 1 is formed by winding an anode electrode foil 2 and a cathode electrode foil 3 via a separator 11. Further, as shown in FIG. 2, a lead wire 4 and a lead wire 5 which are an anode extracting means and a cathode extracting means are connected to the anode electrode foil 2 and the cathode electrode foil 3, respectively. These lead wires 4 and 5 are welded to the electrode tab 9 and the round bar 6 which are connected to the respective foils. It consists of the external connection part 8 which was made. In addition, each foil and the lead wire are mechanically connected by a stitch method or ultrasonic welding.
- the anode electrode foil 2 is prepared by chemically or electrochemically etching an aluminum foil having a purity of 99% or more in an acidic solution and expanding the surface of the aluminum foil, and then in an aqueous solution of ammonium borate or ammonium adipate. A chemical conversion treatment is performed, and an anodic oxide film layer is formed on the surface.
- the capacitor element 1 impregnated with the electrolytic solution is housed in an outer case 10 made of aluminum having a bottomed cylindrical shape, and lead wires 4 and 5 are led out to the open end of the outer case 10.
- the electrolytic capacitor is sealed by inserting a sealing body 12 having a hole, and further caulking the end of the outer case 10.
- the cathode electrode foil 3 is obtained by etching an aluminum foil having a purity of not less than 99% as in the case of the anode electrode foil 2.
- the cathode electrode foil 3 has a 0.02 to 0.1 ⁇ film made of metal nitride or metal on a part or the whole of the surface.
- the metal nitride include titanium nitride, zirconium nitride, tantalum nitride, and niobium nitride.
- the metal include titanium, zirconium, tantalum, and niobium.
- the electrolytic solution for an electrolytic capacitor used in the present invention contains an aluminum tetrafluoride salt.
- the aluminum tetrafluoride salt is a salt containing aluminum tetrafluoride as an anion component.
- an ammonium salt, an amine salt, a quaternary ammonium salt, or a quaternized cyclic amidinium ion is used as a cation component. Salts can be used.
- the amines that constitute the amine salt include primary amines (methylamine, ethylamine, propylamine, butylamine, ethylenediamine, monoethanolamine, etc.), and secondary amines (dimethylamine, getylamine, dipropylamine, ethylmethylamine, diphenylamine, Diethanolamine, etc.), tertiary amine (trimethylamine, tri Ethylamine, triptylamine, triethanolamine, etc.).
- primary amines methylamine, ethylamine, propylamine, butylamine, ethylenediamine, monoethanolamine, etc.
- secondary amines dimethylamine, getylamine, dipropylamine, ethylmethylamine, diphenylamine, Diethanolamine, etc.
- tertiary amine trimethylamine, tri Ethylamine, triptylamine, triethanolamine, etc.
- the quaternary ammonium constituting the quaternary ammonium salt includes tetraalkylammonium (tetramethylammonium, tetraethylammonium, tetrapropylammonium, tetrabutylammonium, tetrabutylammonium, Methyltriethylammonium, dimethylgetylammonium, etc.) and pyridium (1-methylpyridium, 1-ethylpyridium, 1,3-ethylpyridium, etc.).
- the quaternized cyclic amidinium ion serving as a force thione component is a cyclic compound having an N, N, ⁇ ′-substituted amidine group.
- the following compounds are examples of the cyclic compound having a ⁇ ⁇ ⁇ ⁇ , ⁇ , ⁇ , or monosubstituted amidine group, which is a classified cation.
- Imidazole monocyclic compound (1 methyl imidazole, 1-phenylimidazole, 1,2-dimethylimidazole, 1-ethyl-2-methylimidazole, 2-ethylimidazole, 1-methylimidazole, 1 1,2-, 2,4-trimethylimidazole and other imidazole homologues, 1-methyl-2-oxymethylimidazole, 1-methyl-2-oxoximityl, etc.
- nitro derivatives such as 1-methyl-4 (5) -nitroimidazole, amino derivatives such as 1,2-dimethyl-5 (4) -aminoimidazole, etc.
- benzimidazole compounds (1-methylbenzoyl) Midazole, 1-methyl-2-benzylbenzimidazole, 1-methyl-5 (6) -nitrobenzimidazole, etc.
- compounds having a 2-imidazoline ring 1-Methylimidazoline, 1,2-Dimethylimidazoline, 1,2,4-Trimethylimidazoline, 1-Methyl-2-phenylimidazoline, 1-Ethyl-2-methylimidazoline, 1,4-Dimethyl_2-Ethylimidazoline
- tetrahydropyrimidine ring 1-methyl-1,4,5,6-tetrahydropyrimidine, 1,2-dimethyl-1,4,5,6) — Tetrahydropyrimidine, 1,8-diazabicyclo [5,4,0] in
- a protic polar solvent As the solvent used for the electrolytic solution of the present invention, a protic polar solvent, an aprotic solvent, and a mixture thereof can be used.
- protic polar solvents include monovalent alcohols (ethanol, propanol, butanol, pentanol, hexanol, cyclobutanol, cyclopentanol, cyclohexanol, benzyl alcohol, etc.), and polyvalent alcohols.
- Alcohols and oxy alcohol compounds ethylene glycol, propylene glycol, glycerin, methyl sorb, ethyl sorb, methoxy propylene glycol, dimethoxypropanol, etc.
- aprotic polar solvents examples include amides (N-methylformamide, N, N-dimethylformamide, N-ethylformamide, N, N-getylformamide, N-methylacetamide, N, N- Dimethylacetamide, N-ethylethylamide, N, N-ethylethylamide, hexamethylphosphoramide, etc., lactones ( ⁇ -butyrolactone, ⁇ -valerolactone, ⁇ -valerolactone, etc.), sulfolane ( Sulfolane, 3-methylsulfolane, 2,4-dimethylsulfolane, etc.), cyclic amides ( ⁇ -methyl-2-pyrrolidone, etc.), carponates (ethylene glycol, propylene carbonate, isobutylene carbonate, etc.), nitrile Type (acetonitrile, etc.), sulfoxide type (dimethylsulfoxide, etc.), 2 1,3
- the use of ⁇ -butyrolactone is preferable because the impedance characteristics are improved, and the use of sulfolane, 3-methylsulfolane, and 2,4-dimethylsulfolane is preferable because the high-temperature characteristics are improved, and the use of ethylene glycol is preferable. This is preferable because voltage characteristics are improved.
- the amount of water between the sealing body 12 and the round bar portion 6 of the lead wire during the life test was determined.
- this leakage does not occur. That is, normally, the spontaneous immersion potential of the cathode lead wire 5 of the electrolytic capacitor shows a more noble potential than the spontaneous immersion potential of the cathode electrode foil 3. As a result, a large amount of force source current will flow. When left unloaded, the cathode lead wire and the cathode electrode foil constitute a local battery, and force current flows through the cathode lead wire.
- the hydroxyl ion thus generated reacts with the quaternized cyclic amidinium, and the quaternized cyclic amidinium is opened to form a secondary amine.
- ⁇ -butyrolactone which is a solvent, also reacts with the hydroxyl ions to generate ⁇ -hydroxybutyric acid, and ⁇ decreases.
- ⁇ decreases in this way the quaternized cyclic amidinium is formed by ring-opening, the secondary amine is closed, and the quaternized cyclic amidinium salt is formed again, and this quaternized cyclic amidinium is formed. Since the salt has no volatility and high hygroscopicity, the quaternized cyclic amidinium salt regenerated between the round bar portion of the cathode lead wire and the sealing member absorbs moisture to form a liquid leakage state.
- a foil whose electrode potential at least in the electrolyte solution is higher than that of the cathode tab is used as a cathode electrode foil, and an aluminum tetrafluoride salt of a quaternized cyclic amidinium compound is used as a solute. ing.
- a cathode current flows through the cathode electrode foil, and most of the generation of hydroxyl ions occurs at the cathode electrode foil.
- high-purity aluminum is used for the cathode tab, the potential difference between the cathode electrode foil and the cathode tab is further increased, and the generation of hydroxyl ions on the cathode tab is reduced.
- the aluminum tetrafluoride salt of the quaternized cyclic amidinium compound is considered to have low reactivity with hydroxide ions, a liquid leakage state is prevented by the synergistic action of these. Leakage under no load can be similarly prevented.
- the electrolytic capacitor of the present invention described above has low impedance characteristics, high withstand voltage characteristics of 100 V class, good high-temperature life characteristics, and good liquid leakage characteristics. Next, the second electrolytic capacitor of the present invention will be described.
- An electrolytic capacitor according to the present invention comprises: an anode electrode foil provided with anode extraction means; and a cathode electrode foil made of aluminum subjected to chemical conversion treatment, provided with cathode extraction means made of aluminum having a purity of 99.9% or more. Is wound through a separator to form a capacitor element, and the capacitor element is impregnated with an electrolytic solution containing an aluminum tetrafluoride salt and stored in an outer case.
- the structure of the aluminum electrolytic capacitor is the same as that of the first electrolytic capacitor.
- the cathode electrode foil 3 is provided with cathode extraction means made of aluminum having a purity of 99.9% or more.
- An electrode foil made of chemically treated aluminum is used.
- the electrode foil of the present invention can be obtained by subjecting an aluminum foil subjected to etching treatment such as AC etching to a chemical conversion treatment at 0.05 to 5 V, preferably 0.5 to 3 V.
- an aluminum oxide layer formed by anodic oxidation using an aqueous solution of ammonium borate, an aqueous solution of ammonium phosphate or an aqueous solution of ammonium adipate on at least the surfaces of the round bars 6 of the lead wires 4 and 5. It is.
- the cathode electrode foil is provided with a cathode extraction means made of aluminum having a purity of 99.9% or more, and a chemical conversion treatment is performed.
- An electrode foil made of aluminum is used, and an aluminum tetrafluoride salt of a quaternized cyclic amidinium compound is used as a solute.
- the natural potential of the negative electrode foil becomes more noble than the natural potential of the cathode extraction means, and a cathode current flows through the negative electrode foil. Occurs on the electrode foil.
- An electrolytic capacitor according to the present invention is an electrolytic capacitor in which a capacitor element obtained by winding an anode electrode foil, a cathode electrode foil, and a separator and impregnating with an electrolytic solution is housed in an outer case, as the electrolytic solution. It is characterized in that an electrolytic solution containing an aluminum tetrafluoride salt is used, and an electrode foil treated with phosphoric acid is used as the anode electrode foil or the cathode electrode foil.
- the configuration of the electrolytic capacitor is the same as that of the first electrolytic capacitor, except that the electrode foil is a phosphoric acid-treated electrode foil.
- the effect of the present invention can be obtained by using either one of the anode electrode foil and the cathode electrode foil, the use of both the anode foil and the cathode electrode foil is usually used since both electrodes suppress deterioration of the electrode foil.
- high-purity aluminum foil is chemically or electrochemically etched to form an etched foil.
- the electrode foil of the present invention includes a pre-treatment, an intermediate treatment, or a post-treatment of AC etching in this etching step.
- an etched foil obtained by performing a phosphate aqueous solution immersion treatment or the like is used as a cathode electrode foil.
- the etching foil or the etching foil that has not been subjected to the phosphoric acid treatment is subjected to phosphoric acid conversion, or an electrode foil subjected to phosphoric acid immersion before, during, or after the treatment is used as the anode electrode foil.
- the effect of the present invention is improved. Examples of the phosphorus compound include the following.
- Orthophosphoric acid, phosphorous acid, hypophosphorous acid, and salts thereof, and these salts include ammonium salts, aluminum salts, sodium salts, calcium salts, and potassium salts.
- Phosphate compounds such as ethyl phosphate, getyl phosphate, butyl phosphate and dibutyl phosphate; and phosphonic acid compounds such as 1-hydroxyethylidene-1,1-diphosphonic acid, aminotrimethylenephosphonic acid, and phenylphosphonic acid And the like.
- methylphos Examples include phosphinic acid compounds such as finic acid and butyl phosphinate.
- condensed phosphoric acids or salts thereof can be mentioned.
- Linear condensed phosphoric acid such as pyrophosphoric acid, tripolyphosphoric acid, and tetrapolyphosphoric acid; cyclic condensed phosphoric acid such as metaphosphoric acid and hexametaphosphoric acid; or a combination of such chained and cyclic condensed phosphoric acid It is.
- salts of these condensed phosphoric acids ammonium salts, aluminum salts, sodium salts, calcium salts, potassium salts and the like can be used.
- the amount of addition is 0.05-5 wt%, preferably 0.1-2 wt%.
- the electrolytic capacitor of the present invention described above has low impedance characteristics, high withstand voltage characteristics of 100 V class, and good high-temperature life characteristics. That is, when a high-temperature life test is performed using aluminum tetrafluoride, the reactivity between the electrolyte and the electrode foil increases due to the moisture in the electrolyte, which affects the characteristics. Since the electrode foil treated with phosphoric acid is used, the reaction between the electrolyte and the electrode foil is suppressed, and the high-temperature life characteristics are stabilized.
- a partially crosslinked peroxide obtained by adding a peroxide as a crosslinking agent to a butyl rubber polymer comprising a copolymer of isobutylene, isoprene and divinylbenzene as a sealing body.
- a peroxide as a crosslinking agent
- a butyl rubber polymer comprising a copolymer of isobutylene, isoprene and divinylbenzene
- vulcanizing agents used for peroxide vulcanization include ketone peroxides, peroxyketals, hydroperoxides, dialkyl peroxides, diasil peroxides, peroxydicarbonates, and peroxyesters. Can be mentioned.
- the electrolytic capacitor of the present invention As described above, the electrolytic capacitor of the present invention
- Low impedance because it uses a partially crosslinked butyl rubber with peroxide added as a crosslinking agent to a butyl rubber polymer consisting of a copolymer of styrene and divinylbenzene, and an electrolyte containing aluminum tetrafluoride salt. It has characteristics and high withstand voltage characteristics of 100 V class, and the high-temperature life characteristics are further improved by the good high-temperature characteristics of the sealing body and the electrolyte used in the present invention.
- the capacitor element 1 is formed by winding an anode electrode foil 2 and a cathode electrode foil 3 via a separator 11. Further, as shown in FIG. 2, a lead wire 4 for leading the anode and a lead wire 5 for leading the cathode are connected to the anode electrode foil 2 and the cathode electrode foil 3, respectively.
- connection portion 7 that comes into contact with the electrode foil
- round bar portion 6 formed integrally with the connection portion 7, and an external connection portion fixed to the tip of the round bar portion 6.
- the connecting part 7 and the round bar part 6 are made of 99% aluminum
- the external connecting part 8 is made of copper plated steel wire (hereinafter referred to as CP wire).
- An anodic oxide film made of aluminum oxide is formed on at least the surface of the round bar portion 6 of the lead wires 4 and 5 by a chemical conversion treatment with an aqueous solution of ammonium phosphate.
- the lead wires 4 and 5 are electrically connected to the bipolar electrode foils 2 and 3 at the connection portion 7 by means such as stitching and ultrasonic welding.
- the anode electrode foil 2 is obtained by chemically or electrochemically etching an aluminum foil having a purity of 99.9% in an acidic solution and expanding the surface thereof, and then performing a chemical conversion treatment in an aqueous solution of ammonium adipate. An anodic oxide film layer is formed on the surface.
- the capacitor element 1 impregnated with the electrolytic solution is housed in an outer case 10 made of aluminum having a bottomed cylindrical shape, and a sealing body 12 is attached to an opening of the outer case 10 and an outer case is provided.
- the outer case 10 is hermetically sealed by drawing the end of the outer case 10.
- the sealing body 12 is made of, for example, elastic rubber such as butyl rubber and has through holes for leading the lead wires 4 and 5, respectively.
- an aluminum foil having a purity of 99.9% is etched similarly to the anode electrode foil 2.
- the entire surface of the cathode electrode foil 3 is coated with 0.1 ⁇ of titanium nitride or titanium by a vapor deposition method.
- the coating layer of titanium nitride or the like covers the entire surface of the cathode electrode foil 3, but if necessary, a part of the anode electrode foil 3, for example, a metal layer is applied to only one surface of the cathode electrode foil 3.
- a nitride may be coated.
- ⁇ -butyrolactone 75 parts was used as a solvent as the electrolyte solution, and 1-ethyl-2,3-dimethylimidazolidinium aluminum tetrafluoride (25 parts) was dissolved as a solute.
- the solvent used was ⁇ -butyrolactone (80 parts), and 1-ethyl-2,3-dimethylimidazolidinum tetrafluoroaluminum (20 parts) was dissolved as a solute.
- electrolytic solution C, ⁇ -butyrolactone (75 parts) was used as a solvent, and 1-ethyl-2,3-dimethylimidazolinium hydrogen phthalate was dissolved as a solute.
- the rated voltage of the electrolytic capacitor configured as described above is 16 V for those using the electrolytes A and C, and 100 V for the one using the electrolyte.
- the characteristics of these electrolytic capacitors were evaluated.
- the test conditions were 125 ° C, 2000 hours load, 105 ° C, 2000 hours no load.
- the results are shown in (Table 11) to (Table 1-4).
- Table 1-1) Initial characteristics 125 ° C-2000 hours load Leakage Electrolyte Cathode
- Example 1 A TiN deposition 401 0.028 -12.1 0.043 0/25
- Example 2 A Ti deposition 402 0.028 -11.9 0.044 0/25 Comparative example 1 C 405 0.046 -10.0 0.142 7/25
- Example 1 A Ti vapor deposition 402 0.028-5.4 0.034 0/25
- Example 2 A 402 0.029-5.2 0.035 0/25
- Comparative example 1 C 406 0.046-4.2 0.052 6/25
- Example 3 B Ti evaporation 22.9 0.011 -6.5 0.026 0/25
- Example 4 B Ti evaporation 22.8 0.012 -6.3 0.028 0/25 (Table 1-4)
- the electrolytic capacitors according to the examples have a lower ta ⁇ and a smaller change in ta ⁇ at 125 ° C than the comparative examples, and have good high-temperature life characteristics. It is good and leakage is prevented. Furthermore, as is clear from (Table 1-3) and (Table 1-4), the initial characteristics and the life characteristics at the rated voltage of 100 V are excellent, and the 100 V class electrolytic capacitors have unprecedented low impedance characteristics. Has been realized.
- the cathode electrode foil 3 is provided with a cathode extraction means made of aluminum having a purity of 99.9% or more.
- An electrode foil made of aluminum subjected to a chemical conversion treatment at 2 V after AC etching was used.
- An aluminum oxide layer was formed on at least the surfaces of the round bars 6 of the lead wires 4 and 5 by anodizing treatment with an aqueous solution of ammonium phosphate.
- Example 5 A Chemical conversion foil 401 0.026-5.2 0.033 0/25 Comparative example 2 C 407 0.046-4.2 0.053 6/25
- the electrolytic capacitor of the example has a lower ta ⁇ and a smaller change in ta ⁇ at 125 ° C than the comparative example, and has a good high-temperature life characteristic. It is good and leakage is prevented. Furthermore, as evident from (Table 2-3) and (Table 2-4), the initial characteristics and the life characteristics of the rated voltage of 100 V are good, and the 100 V class electrolytic capacitors have unprecedented low impedance characteristics. Has been realized.
- the third electrolytic capacitor of the present invention will be described with reference to examples.
- an etching foil which has been subjected to a phosphoric acid immersion treatment in an etching step is used as a cathode foil, and this etching foil is used as an anode foil.
- a chemical conversion foil having an anodized chemical film formed by phosphorylation was used.
- an electrode foil not subjected to such a phosphoric acid immersion treatment and a phosphoric acid conversion was used as a comparative example.
- a partially cross-linked peroxide butyl rubber obtained by adding a peroxide as a cross-linking agent to a butyl rubber polymer made of a copolymer of isobutylene, isoprene and divinylbenzene was used as a sealing body.
- leakage characteristics Has improved.
- an electrolytic solution containing a tetrafluoroaluminum salt is used, and at least the electrode potential in the electrolytic solution as a cathode electrode foil is set to a potential nobleer than the cathode tab. It has low impedance characteristics and high withstand voltage characteristics because it has cathode extraction means made of aluminum foil with a purity of 99.9% or more and a cathode electrode foil made of chemically treated aluminum. In addition, it is possible to provide an electrolytic capacitor having good high-temperature life characteristics and good liquid leakage characteristics.
- the electrode foil treated with aluminum tetrafluoride and phosphoric acid since the electrode foil treated with aluminum tetrafluoride and phosphoric acid is used, it has low impedance characteristics, high withstand voltage characteristics, and high-temperature life characteristics. A good electrolytic capacitor can be provided.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020057007949A KR101112019B1 (ko) | 2002-11-08 | 2003-11-07 | 전해콘덴서 |
EP03810662.1A EP1580772B1 (en) | 2002-11-08 | 2003-11-07 | Electrolytic capacitor |
US10/534,184 US7262953B2 (en) | 2002-11-08 | 2003-11-07 | Electrolytic capacitor |
US11/828,829 US7724501B2 (en) | 2002-11-08 | 2007-07-26 | Electrolytic capacitor |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-326007 | 2002-11-08 | ||
JP2002326009A JP2004165205A (ja) | 2002-11-08 | 2002-11-08 | 電解コンデンサ |
JP2002326028A JP2004165213A (ja) | 2002-11-08 | 2002-11-08 | 電解コンデンサ |
JP2002326019A JP2004165209A (ja) | 2002-11-08 | 2002-11-08 | 電解コンデンサ |
JP2002326007A JP2004165203A (ja) | 2002-11-08 | 2002-11-08 | 電解コンデンサ |
JP2002-326009 | 2002-11-08 | ||
JP2002-326019 | 2002-11-08 | ||
JP2002-326028 | 2002-11-08 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10534184 A-371-Of-International | 2003-11-07 | ||
US11/828,829 Continuation US7724501B2 (en) | 2002-11-08 | 2007-07-26 | Electrolytic capacitor |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004042756A1 true WO2004042756A1 (ja) | 2004-05-21 |
Family
ID=32314930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/014215 WO2004042756A1 (ja) | 2002-11-08 | 2003-11-07 | 電解コンデンサ |
Country Status (5)
Country | Link |
---|---|
US (2) | US7262953B2 (ja) |
EP (1) | EP1580772B1 (ja) |
KR (1) | KR101112019B1 (ja) |
TW (1) | TWI319585B (ja) |
WO (1) | WO2004042756A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006058416A1 (en) * | 2004-12-03 | 2006-06-08 | Lanxess Inc. | Peroxide curable butyl formulations for rubber articles |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1580774B1 (en) * | 2002-11-08 | 2014-04-09 | Nippon Chemi-Con Corporation | Electrolytic capacitor |
KR101112019B1 (ko) * | 2002-11-08 | 2012-02-24 | 미쯔비시 가가꾸 가부시끼가이샤 | 전해콘덴서 |
KR101302728B1 (ko) * | 2005-09-30 | 2013-09-03 | 니폰 케미콘 가부시키가이샤 | 전해 콘덴서 |
JP4811246B2 (ja) * | 2006-09-07 | 2011-11-09 | パナソニック株式会社 | コンデンサ |
WO2008130442A2 (en) * | 2006-10-31 | 2008-10-30 | Wisconsin Alumni Research Foundation | Nano porous composite electrode for use in a capacitor, capacitor, stacked cell, coiled cell and methods of manufacture and use thereof |
EP2141711A4 (en) * | 2007-03-30 | 2014-10-22 | Nippon Chemicon | METHOD FOR MANUFACTURING CONDUCTIVE TERMINAL FOR CAPACITOR |
EP2207188B1 (en) * | 2007-09-28 | 2015-09-23 | Nippon Chemi-Con Corporation | Polarizable electrode for electric double layer capacitor and electric double layer capacitor using the same |
JP2010003731A (ja) * | 2008-06-18 | 2010-01-07 | Sanyo Electric Co Ltd | 電解コンデンサ |
US8098479B1 (en) | 2008-09-19 | 2012-01-17 | Cornell Dubilier Marketing, Inc. | Capacitor having zinc coated common edge with welded aluminum terminal |
CN102483996B (zh) * | 2010-08-20 | 2012-12-12 | 松下电器产业株式会社 | 电容器用封口体和使用该电容器用封口体的铝电解电容器 |
US9365939B2 (en) | 2011-05-31 | 2016-06-14 | Wisconsin Alumni Research Foundation | Nanoporous materials for reducing the overpotential of creating hydrogen by water electrolysis |
KR101938439B1 (ko) * | 2011-10-29 | 2019-01-14 | 닛뽄 케미콘 가부시끼가이샤 | 전극 재료의 제조 방법 |
US9711293B1 (en) * | 2015-01-07 | 2017-07-18 | The United States Of America, As Represented By The Secretary Of The Navy | Capacitor with ionic-solution-infused, porous, electrically non-conductive material |
KR101771791B1 (ko) | 2014-12-23 | 2017-09-05 | 석원대 | 다목적 혼합 건조기 |
CN110400697B (zh) | 2015-04-28 | 2023-03-03 | 松下知识产权经营株式会社 | 电解电容器 |
JP7117552B2 (ja) * | 2015-05-28 | 2022-08-15 | パナソニックIpマネジメント株式会社 | 電解コンデンサ |
WO2017208984A1 (ja) * | 2016-05-31 | 2017-12-07 | パナソニックIpマネジメント株式会社 | 電解コンデンサおよびその製造方法 |
CN108987115B (zh) * | 2018-09-03 | 2023-06-27 | 江西联晟电子股份有限公司 | 一种导箔引出导电性高分子铝电解电容器 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1167600A (ja) * | 1997-08-25 | 1999-03-09 | Nippon Chemicon Corp | 電解コンデンサ |
JP2000299257A (ja) * | 1999-04-16 | 2000-10-24 | Nichicon Corp | アルミニウム電解コンデンサ用陰極箔およびその製造方法 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3415687A (en) * | 1966-03-29 | 1968-12-10 | Honeywell Inc | Electric current producing cell |
USRE31743E (en) * | 1980-09-15 | 1984-11-20 | Sprague Electric Company | AC Etching of aluminum capacitor foil |
TW278192B (ja) * | 1993-12-03 | 1996-06-11 | Sanyo Chemical Ind Ltd | |
KR100366551B1 (ko) * | 1994-09-29 | 2003-03-12 | 닛뽄 케미콘 가부시끼가이샤 | 전해콘덴서 |
JP3555630B2 (ja) * | 1995-03-17 | 2004-08-18 | 日本ケミコン株式会社 | 電解コンデンサ |
JP3220620B2 (ja) * | 1995-05-26 | 2001-10-22 | 松下電器産業株式会社 | アルミ電解コンデンサ |
JPH09232189A (ja) | 1996-02-23 | 1997-09-05 | Hitachi Aic Inc | 電解コンデンサ |
JPH10116629A (ja) * | 1996-10-15 | 1998-05-06 | Mitsui Chem Inc | 非水電解液 |
US6001325A (en) * | 1996-11-26 | 1999-12-14 | Fmc Corporation | Process for removing acids from lithium salt solutions |
JP3016421B2 (ja) * | 1997-01-13 | 2000-03-06 | 日本ケミコン株式会社 | 電解コンデンサ用アルミニウム陰極箔 |
JP3198068B2 (ja) | 1997-04-07 | 2001-08-13 | ルビコン株式会社 | 電解コンデンサ |
JP3959560B2 (ja) | 1997-06-27 | 2007-08-15 | 日本ケミコン株式会社 | アルミニウム電解コンデンサ |
US6166899A (en) * | 1997-12-18 | 2000-12-26 | Nippon Chemi-Con Corporation | Electrolyte for electrolytic capacitor and electrolytic capacitor having the same |
JPH11283874A (ja) | 1998-01-28 | 1999-10-15 | Matsushita Electric Ind Co Ltd | 電解コンデンサ |
JP4119510B2 (ja) | 1998-02-05 | 2008-07-16 | ニチコン株式会社 | アルミニウム電解コンデンサ |
JPH11265839A (ja) * | 1998-03-17 | 1999-09-28 | Matsushita Electric Ind Co Ltd | アルミニウム電解コンデンサ |
JP3702644B2 (ja) | 1998-05-12 | 2005-10-05 | 三菱化学株式会社 | 有機オニウム塩の製造方法 |
JP2001028322A (ja) * | 1999-07-14 | 2001-01-30 | Rohm Co Ltd | 固体電解コンデンサ |
JP3606131B2 (ja) | 1999-10-04 | 2005-01-05 | 松下電器産業株式会社 | 固体電解コンデンサおよびその製造方法 |
JP2001102265A (ja) * | 1999-09-30 | 2001-04-13 | Nippon Chemicon Corp | アルミニウム電解コンデンサ |
JP3967551B2 (ja) * | 2001-02-08 | 2007-08-29 | 本田技研工業株式会社 | 電気二重層キャパシタ容器の蓋体 |
WO2002101773A1 (en) | 2001-05-11 | 2002-12-19 | Mitsubishi Chemical Corporation | Electrolytic solution for electrolytic capacitor and electrolytic capacitor using it |
US6459565B1 (en) * | 2001-06-11 | 2002-10-01 | Kemet Electronics Corporation | Surface mount aluminum capacitor having anode foil anodized in an aqueous phosphate solution |
JP4010447B2 (ja) * | 2002-05-30 | 2007-11-21 | ローム株式会社 | 固体電解コンデンサ及びその製造方法 |
KR101112019B1 (ko) * | 2002-11-08 | 2012-02-24 | 미쯔비시 가가꾸 가부시끼가이샤 | 전해콘덴서 |
US7088573B2 (en) * | 2004-03-02 | 2006-08-08 | Vishay Sprague, Inc. | Surface mount MELF capacitor |
-
2003
- 2003-11-07 KR KR1020057007949A patent/KR101112019B1/ko not_active IP Right Cessation
- 2003-11-07 US US10/534,184 patent/US7262953B2/en not_active Expired - Fee Related
- 2003-11-07 WO PCT/JP2003/014215 patent/WO2004042756A1/ja active Application Filing
- 2003-11-07 TW TW092131324A patent/TWI319585B/zh not_active IP Right Cessation
- 2003-11-07 EP EP03810662.1A patent/EP1580772B1/en not_active Expired - Fee Related
-
2007
- 2007-07-26 US US11/828,829 patent/US7724501B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1167600A (ja) * | 1997-08-25 | 1999-03-09 | Nippon Chemicon Corp | 電解コンデンサ |
JP2000299257A (ja) * | 1999-04-16 | 2000-10-24 | Nichicon Corp | アルミニウム電解コンデンサ用陰極箔およびその製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006058416A1 (en) * | 2004-12-03 | 2006-06-08 | Lanxess Inc. | Peroxide curable butyl formulations for rubber articles |
Also Published As
Publication number | Publication date |
---|---|
EP1580772A4 (en) | 2006-01-18 |
US7262953B2 (en) | 2007-08-28 |
EP1580772B1 (en) | 2015-03-11 |
KR20050084669A (ko) | 2005-08-26 |
EP1580772A1 (en) | 2005-09-28 |
US7724501B2 (en) | 2010-05-25 |
US20080019079A1 (en) | 2008-01-24 |
TWI319585B (en) | 2010-01-11 |
TW200414246A (en) | 2004-08-01 |
KR101112019B1 (ko) | 2012-02-24 |
US20060098384A1 (en) | 2006-05-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7724501B2 (en) | Electrolytic capacitor | |
KR100608466B1 (ko) | 전해캐패시터용전해질및이를포함하는전해캐패시터 | |
WO2004042757A1 (ja) | 電解コンデンサ | |
JP2004165203A (ja) | 電解コンデンサ | |
JP4780812B2 (ja) | アルミニウム電解コンデンサ | |
WO2004042759A1 (ja) | 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 | |
KR101112023B1 (ko) | 전해콘덴서 | |
JP2004165206A (ja) | 電解コンデンサ | |
JP2004165209A (ja) | 電解コンデンサ | |
JP2001223136A (ja) | アルミニウム電解コンデンサ | |
JP2001102265A (ja) | アルミニウム電解コンデンサ | |
JP2006165001A (ja) | アルミニウム電解コンデンサ | |
JP2004165265A (ja) | 電解コンデンサ | |
WO2004042760A1 (ja) | 電解コンデンサの製造方法 | |
JP2004165204A (ja) | 電解コンデンサ | |
JP2001102264A (ja) | アルミニウム電解コンデンサ | |
JP2004165213A (ja) | 電解コンデンサ | |
JP4849701B2 (ja) | 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 | |
JP2001102260A (ja) | 電解コンデンサ用電解液 | |
JP2004165208A (ja) | 電解コンデンサ | |
JP4458208B2 (ja) | 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 | |
JP4493280B2 (ja) | 電解コンデンサ | |
JP2004165259A (ja) | 電解コンデンサ | |
JP2004165212A (ja) | 電解コンデンサ | |
JP2001102270A (ja) | 電解コンデンサ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): CN KR US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): DE FR GB |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 1020057007949 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 20038A29030 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2003810662 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 1020057007949 Country of ref document: KR |
|
WWP | Wipo information: published in national office |
Ref document number: 2003810662 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2006098384 Country of ref document: US Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10534184 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 10534184 Country of ref document: US |