JP2008027998A - 固体電解コンデンサ - Google Patents
固体電解コンデンサ Download PDFInfo
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- JP2008027998A JP2008027998A JP2006196359A JP2006196359A JP2008027998A JP 2008027998 A JP2008027998 A JP 2008027998A JP 2006196359 A JP2006196359 A JP 2006196359A JP 2006196359 A JP2006196359 A JP 2006196359A JP 2008027998 A JP2008027998 A JP 2008027998A
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- 239000003990 capacitor Substances 0.000 title claims abstract description 45
- 239000007787 solid Substances 0.000 title claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 84
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 71
- 239000007784 solid electrolyte Substances 0.000 claims abstract description 26
- 229920001940 conductive polymer Polymers 0.000 claims abstract description 23
- 150000001491 aromatic compounds Chemical class 0.000 claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 9
- 239000004020 conductor Substances 0.000 claims abstract description 7
- 125000000542 sulfonic acid group Chemical group 0.000 claims description 20
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 4
- 239000010410 layer Substances 0.000 abstract 4
- 239000011247 coating layer Substances 0.000 abstract 1
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 description 21
- 229910002804 graphite Inorganic materials 0.000 description 15
- 239000010439 graphite Substances 0.000 description 15
- 239000002019 doping agent Substances 0.000 description 12
- 239000000178 monomer Substances 0.000 description 11
- 238000006116 polymerization reaction Methods 0.000 description 10
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- -1 salt compounds Chemical class 0.000 description 7
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 6
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
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- 229910052708 sodium Inorganic materials 0.000 description 5
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- CJAZCKUGLFWINJ-UHFFFAOYSA-N 3,4-dihydroxybenzene-1,2-disulfonic acid Chemical compound OC1=CC=C(S(O)(=O)=O)C(S(O)(=O)=O)=C1O CJAZCKUGLFWINJ-UHFFFAOYSA-N 0.000 description 4
- 239000011888 foil Substances 0.000 description 4
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 4
- WXHLLJAMBQLULT-UHFFFAOYSA-N 2-[[6-[4-(2-hydroxyethyl)piperazin-1-yl]-2-methylpyrimidin-4-yl]amino]-n-(2-methyl-6-sulfanylphenyl)-1,3-thiazole-5-carboxamide;hydrate Chemical compound O.C=1C(N2CCN(CCO)CC2)=NC(C)=NC=1NC(S1)=NC=C1C(=O)NC1=C(C)C=CC=C1S WXHLLJAMBQLULT-UHFFFAOYSA-N 0.000 description 3
- BMRVLXHIZWDOOK-UHFFFAOYSA-N 2-butylnaphthalene-1-sulfonic acid Chemical compound C1=CC=CC2=C(S(O)(=O)=O)C(CCCC)=CC=C21 BMRVLXHIZWDOOK-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 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
- 150000003863 ammonium salts Chemical class 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 229940079877 pyrogallol Drugs 0.000 description 3
- 159000000000 sodium salts Chemical class 0.000 description 3
- WHOZNOZYMBRCBL-OUKQBFOZSA-N (2E)-2-Tetradecenal Chemical compound CCCCCCCCCCC\C=C\C=O WHOZNOZYMBRCBL-OUKQBFOZSA-N 0.000 description 2
- GKWLILHTTGWKLQ-UHFFFAOYSA-N 2,3-dihydrothieno[3,4-b][1,4]dioxine Chemical compound O1CCOC2=CSC=C21 GKWLILHTTGWKLQ-UHFFFAOYSA-N 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 description 2
- 229940092714 benzenesulfonic acid Drugs 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 150000001721 carbon Chemical class 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 125000000623 heterocyclic group Chemical group 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 229940044654 phenolsulfonic acid Drugs 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 229920000767 polyaniline Polymers 0.000 description 2
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- ZPWQALCOMQRMRK-UHFFFAOYSA-M sodium;6-hydroxynaphthalene-2-sulfonate Chemical compound [Na+].C1=C(S([O-])(=O)=O)C=CC2=CC(O)=CC=C21 ZPWQALCOMQRMRK-UHFFFAOYSA-M 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- VZYDKJOUEPFKMW-UHFFFAOYSA-N 2,3-dihydroxybenzenesulfonic acid Chemical compound OC1=CC=CC(S(O)(=O)=O)=C1O VZYDKJOUEPFKMW-UHFFFAOYSA-N 0.000 description 1
- IKQCSJBQLWJEPU-UHFFFAOYSA-N 2,5-dihydroxybenzenesulfonic acid Chemical compound OC1=CC=C(O)C(S(O)(=O)=O)=C1 IKQCSJBQLWJEPU-UHFFFAOYSA-N 0.000 description 1
- ZMPRRFPMMJQXPP-UHFFFAOYSA-N 2-sulfobenzoic acid Chemical compound OC(=O)C1=CC=CC=C1S(O)(=O)=O ZMPRRFPMMJQXPP-UHFFFAOYSA-N 0.000 description 1
- YATBRYVTSFBCOK-UHFFFAOYSA-N 3,6-dihydroxybenzene-1,2-disulfonic acid Chemical compound OC1=CC=C(O)C(S(O)(=O)=O)=C1S(O)(=O)=O YATBRYVTSFBCOK-UHFFFAOYSA-N 0.000 description 1
- SDGNNLQZAPXALR-UHFFFAOYSA-N 3-sulfophthalic acid Chemical compound OC(=O)C1=CC=CC(S(O)(=O)=O)=C1C(O)=O SDGNNLQZAPXALR-UHFFFAOYSA-N 0.000 description 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N 4-hydroxybenzoic acid Chemical compound OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- PTKWYSNDTXDBIZ-UHFFFAOYSA-N 9,10-dioxoanthracene-1,2-disulfonic acid Chemical compound C1=CC=C2C(=O)C3=C(S(O)(=O)=O)C(S(=O)(=O)O)=CC=C3C(=O)C2=C1 PTKWYSNDTXDBIZ-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 1
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 1
- 238000002048 anodisation reaction Methods 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- MIAUJDCQDVWHEV-UHFFFAOYSA-N benzene-1,2-disulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1S(O)(=O)=O MIAUJDCQDVWHEV-UHFFFAOYSA-N 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 229960004337 hydroquinone Drugs 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 159000000014 iron salts Chemical class 0.000 description 1
- 229910000358 iron sulfate Inorganic materials 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 235000019837 monoammonium phosphate Nutrition 0.000 description 1
- YZMHQCWXYHARLS-UHFFFAOYSA-N naphthalene-1,2-disulfonic acid Chemical compound C1=CC=CC2=C(S(O)(=O)=O)C(S(=O)(=O)O)=CC=C21 YZMHQCWXYHARLS-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- QCDYQQDYXPDABM-UHFFFAOYSA-N phloroglucinol Chemical compound OC1=CC(O)=CC(O)=C1 QCDYQQDYXPDABM-UHFFFAOYSA-N 0.000 description 1
- 229960001553 phloroglucinol Drugs 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000414 polyfuran Polymers 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 1
- 229960001755 resorcinol Drugs 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- BYMHXIQVEAYSJD-UHFFFAOYSA-M sodium;4-sulfophenolate Chemical compound [Na+].OC1=CC=C(S([O-])(=O)=O)C=C1 BYMHXIQVEAYSJD-UHFFFAOYSA-M 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- H01G9/15—Solid electrolytic capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/48—Conductive polymers
-
- 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
- H01G9/025—Solid electrolytes
- H01G9/028—Organic semiconducting electrolytes, e.g. TCNQ
-
- 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
- H01G9/0425—Electrodes or formation of dielectric layers thereon characterised by the material specially adapted for cathode
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
【解決手段】この目的を達成するために、本発明は、弁作用金属からなる陽極体2の表面に誘電体酸化皮膜層4と、導電性高分子からなる固体電解質5と、カーボンからなるカーボン層6と、導電体層7とが順次積層されたコンデンサ素子1を有する固体電解コンデンサにおいて、前記カーボン層6は、スルホン酸基を有する芳香族化合物を含有してなるものである。
【選択図】図1
Description
陽極体2としてエッチングにより約125倍の表面積に拡面化された、厚み100μmのアルミニウム箔を用い、この陽極体2に絶縁性のレジストテープを貼り付けて分離し、一方を陽極導出部3、他方を寸法が3.2mm×3.9mmの陰極部とした。
実施例2〜6は、カーボン層6のスルホン酸基を有する芳香族化合物の構成比が異なるもので、これ以外は実施例1と同様にコンデンサ素子を作製した。
実施例7、8は、カーボン層に含有するスルホン酸基を有する芳香族化合物、構成比が異なるもので、これ以外は実施例1と同様にコンデンサ素子を作製した。
実施例9、10は、重合性モノマーとドーパントが異なる以外は、実施例1と下記に示す重合性モノマーとドーパントとを有機溶媒に混合した重合液を用いて固体電解質5を形成しコンデンサ素子を作製した。
実施例9は、ピロールモノマー0.1mol/Lとナフタレンスルホン酸0.1mol/L
実施例10は、3,4−エチレンジオキシチオフェン0.2mol/Lとナフタレンスルホン酸0.2mol/Lとした。
比較例1、2は、カーボン層の構成が異なる以外は、実施例1と同様にコンデンサ素子を作製した。
2 陽極体
3 陽極導出部
4 誘電体酸化皮膜層
5 固体電解質
6 カーボン層
7 導電体層
8 陰極層
9 陽極端子
10 陰極端子
11 外装樹脂
12 導電性接着剤
Claims (4)
- 弁作用金属からなる陽極体の表面に誘電体酸化皮膜層と、導電性高分子からなる固体電解質と、カーボンからなるカーボン層と、導電体層とが順次積層されたコンデンサ素子を有する固体電解コンデンサにおいて、前記カーボン層は、スルホン酸基を有する芳香族化合物を含有してなる固体電解コンデンサ。
- 前記芳香族化合物が、多価フェノールである請求項1に記載の固体電解コンデンサ。
- 前記カーボン層中の前記スルホン酸基を有する芳香族化合物の含有量は、カーボン100重量部に対して10〜300重量部である請求項1、請求項2のいずれかに記載の固体電解コンデンサ。
- 導電性高分子が、カルボキシル基、スルホン酸基の少なくとも一方を有する芳香族化合物を含有する請求項1に記載の固体電解コンデンサ。
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TW096124273A TWI410993B (zh) | 2006-07-19 | 2007-07-04 | Solid electrolytic capacitors |
CN2007800254519A CN101484958B (zh) | 2006-07-19 | 2007-07-05 | 固体电解电容器 |
PCT/JP2007/063461 WO2008010422A1 (en) | 2006-07-19 | 2007-07-05 | Solid electrolytic capacitor |
US12/300,218 US7940515B2 (en) | 2006-07-19 | 2007-07-05 | Solid electrolytic capacitor |
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Cited By (6)
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JP2011210917A (ja) * | 2010-03-30 | 2011-10-20 | Japan Carlit Co Ltd:The | 固体電解コンデンサとその製造方法 |
WO2014091647A1 (ja) | 2012-12-11 | 2014-06-19 | 昭和電工株式会社 | カーボンペーストおよび固体電解コンデンサ素子 |
KR101847239B1 (ko) * | 2012-01-27 | 2018-04-09 | 소에이 가가쿠 고교 가부시키가이샤 | 고체 전해 커패시터 소자, 그의 제조방법 및 도전 페이스트 |
WO2019187822A1 (ja) * | 2018-03-27 | 2019-10-03 | パナソニックIpマネジメント株式会社 | 電解コンデンサ |
WO2021261359A1 (ja) * | 2020-06-22 | 2021-12-30 | パナソニックIpマネジメント株式会社 | 固体電解コンデンサ素子および固体電解コンデンサ |
US11915884B2 (en) | 2019-08-08 | 2024-02-27 | Panasonic Intellectual Property Management Co., Ltd. | Electrolytic capacitor |
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CN101689429B (zh) * | 2007-04-20 | 2013-05-08 | 富士通株式会社 | 电极箔及其制造方法以及电解电容器 |
WO2009028183A1 (ja) * | 2007-08-29 | 2009-03-05 | Panasonic Corporation | 固体電解コンデンサ |
JP5020020B2 (ja) * | 2007-10-04 | 2012-09-05 | 三洋電機株式会社 | 固体電解コンデンサの製造方法 |
JP5289123B2 (ja) | 2009-03-23 | 2013-09-11 | 三洋電機株式会社 | 固体電解コンデンサ及びその製造方法 |
CN104813422B (zh) * | 2012-12-07 | 2018-07-06 | 松下知识产权经营株式会社 | 固体电解电容器的制造方法 |
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Publication number | Publication date |
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TWI410993B (zh) | 2013-10-01 |
CN101484958B (zh) | 2012-07-25 |
TW200809887A (en) | 2008-02-16 |
CN101484958A (zh) | 2009-07-15 |
WO2008010422A1 (en) | 2008-01-24 |
US20090195966A1 (en) | 2009-08-06 |
JP4882567B2 (ja) | 2012-02-22 |
US7940515B2 (en) | 2011-05-10 |
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