KR20020079801A - 커패시터용 니오브 분말, 그 소결체 및 소결체를 이용한커패시터 - Google Patents
커패시터용 니오브 분말, 그 소결체 및 소결체를 이용한커패시터 Download PDFInfo
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- KR20020079801A KR20020079801A KR1020027009489A KR20027009489A KR20020079801A KR 20020079801 A KR20020079801 A KR 20020079801A KR 1020027009489 A KR1020027009489 A KR 1020027009489A KR 20027009489 A KR20027009489 A KR 20027009489A KR 20020079801 A KR20020079801 A KR 20020079801A
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- Prior art keywords
- niobium
- capacitor
- powder
- niobium powder
- crystals
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- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 239000003990 capacitor Substances 0.000 title claims abstract description 76
- 239000013078 crystal Substances 0.000 claims abstract description 49
- JGCGXJDWQQCNFF-UHFFFAOYSA-N niobium(2+);oxygen(2-) Chemical compound [O-2].[Nb+2] JGCGXJDWQQCNFF-UHFFFAOYSA-N 0.000 claims abstract description 18
- PRQMJCKNUXGWPX-UHFFFAOYSA-N [O--].[Nb+5].[Nb+5].[Nb+5].[Nb+5].[Nb+5].[Nb+5] Chemical compound [O--].[Nb+5].[Nb+5].[Nb+5].[Nb+5].[Nb+5].[Nb+5] PRQMJCKNUXGWPX-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000003989 dielectric material Substances 0.000 claims abstract description 14
- 239000004065 semiconductor Substances 0.000 claims description 32
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 claims description 12
- 229910000484 niobium oxide Inorganic materials 0.000 claims description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 125000004432 carbon atom Chemical group C* 0.000 claims description 9
- 239000002019 doping agent Substances 0.000 claims description 8
- 239000008151 electrolyte solution Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 229920001940 conductive polymer Polymers 0.000 claims description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 6
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 5
- 150000004767 nitrides Chemical class 0.000 claims description 4
- 229920000128 polypyrrole Polymers 0.000 claims description 4
- 229920000123 polythiophene Polymers 0.000 claims description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical group [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- 125000003545 alkoxy group Chemical group 0.000 claims description 3
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 125000004434 sulfur atom Chemical group 0.000 claims description 3
- SIKJAQJRHWYJAI-UHFFFAOYSA-N Indole Chemical compound C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 claims description 2
- 239000000843 powder Substances 0.000 description 30
- 239000010955 niobium Substances 0.000 description 25
- 229910052758 niobium Inorganic materials 0.000 description 24
- 238000005121 nitriding Methods 0.000 description 13
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 239000002245 particle Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 229910052715 tantalum Inorganic materials 0.000 description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000007747 plating Methods 0.000 description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 229940021013 electrolyte solution Drugs 0.000 description 5
- 238000005469 granulation Methods 0.000 description 5
- 230000003179 granulation Effects 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052709 silver Inorganic materials 0.000 description 5
- 239000004332 silver Substances 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 4
- YADSGOSSYOOKMP-UHFFFAOYSA-N dioxolead Chemical compound O=[Pb]=O YADSGOSSYOOKMP-UHFFFAOYSA-N 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 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 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- ROSDCCJGGBNDNL-UHFFFAOYSA-N [Ta].[Pb] Chemical compound [Ta].[Pb] ROSDCCJGGBNDNL-UHFFFAOYSA-N 0.000 description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- HFLAMWCKUFHSAZ-UHFFFAOYSA-N niobium dioxide Chemical compound O=[Nb]=O HFLAMWCKUFHSAZ-UHFFFAOYSA-N 0.000 description 2
- -1 niobium halide Chemical class 0.000 description 2
- BFRGSJVXBIWTCF-UHFFFAOYSA-N niobium monoxide Chemical compound [Nb]=O BFRGSJVXBIWTCF-UHFFFAOYSA-N 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 239000011164 primary particle Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- YMUICPQENGUHJM-UHFFFAOYSA-N 2-methylpropyl(tripropyl)azanium Chemical compound CCC[N+](CCC)(CCC)CC(C)C YMUICPQENGUHJM-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- PYLYNBWPKVWXJC-UHFFFAOYSA-N [Nb].[Pb] Chemical compound [Nb].[Pb] PYLYNBWPKVWXJC-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- ILFFFKFZHRGICY-UHFFFAOYSA-N anthracene-1-sulfonic acid Chemical compound C1=CC=C2C=C3C(S(=O)(=O)O)=CC=CC3=CC2=C1 ILFFFKFZHRGICY-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- AIRJNECCGRYSCS-UHFFFAOYSA-N ethane-1,2-diol;4-methyl-1,3-dioxolan-2-one Chemical compound OCCO.CC1COC(=O)O1 AIRJNECCGRYSCS-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000005001 laminate film Substances 0.000 description 1
- 229940046892 lead acetate Drugs 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 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
- 238000001465 metallisation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- IFSIGZHEDOYNJM-UHFFFAOYSA-N n,n-dimethylformamide;ethane-1,2-diol Chemical compound OCCO.CN(C)C=O IFSIGZHEDOYNJM-UHFFFAOYSA-N 0.000 description 1
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Inorganic materials O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920000414 polyfuran Polymers 0.000 description 1
- 229920000307 polymer substrate Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- CBXCPBUEXACCNR-UHFFFAOYSA-N tetraethylammonium Chemical compound CC[N+](CC)(CC)CC CBXCPBUEXACCNR-UHFFFAOYSA-N 0.000 description 1
- 150000003577 thiophenes Chemical class 0.000 description 1
Classifications
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- 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
- H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
- H01G9/052—Sintered electrodes
- H01G9/0525—Powder therefor
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/495—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions thereof with other oxides, e.g. vanadates, niobates, tantalates, molybdates or tungstates
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/001—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides
- C22C32/0015—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides with only single oxides as main non-metallic constituents
- C22C32/0031—Matrix based on refractory metals, W, Mo, Nb, Hf, Ta, Zr, Ti, V or alloys thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3251—Niobium oxides, niobates, tantalum oxides, tantalates, or oxide-forming salts thereof
- C04B2235/3253—Substoichiometric niobium or tantalum oxides, e.g. NbO
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/40—Metallic constituents or additives not added as binding phase
- C04B2235/404—Refractory metals
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5445—Particle size related information expressed by the size of the particles or aggregates thereof submicron sized, i.e. from 0,1 to 1 micron
-
- 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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- Organic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
니오브 모노옥사이드 결정의 양, 질량% | 헥사니오브 모노옥사이드결정의 양,질량% | 초기 정전용량 Co, ㎌ | 고온특성(비결함 유 니트/샘플수) | |
실시예 1 | 2.00 | 2.00 | 185 | 50/50 |
실시예 2 | 0.50 | 0.30 | 190 | 50/50 |
실시예 3 | 17.20 | 1.30 | 188 | 50/50 |
실시예 4 | 6.85 | 18.80 | 183 | 50/50 |
실시예 5 | 3.20 | 2.25 | 645 | 50/50 |
실시예 6 | 3.30 | 2.20 | 640 | 50/50 |
실시예 7 | 3.25 | 2.35 | 635 | 50/50 |
실시예 8 | 3.20 | 2.30 | 638 | 50/50 |
비교예 1 | <0.05 | <0.05 | 181 | 47/50 |
비교예 2 | <0.05 | 23.25 | 135 | 50/50 |
비교예 3 | 20.55 | <0.05 | 127 | 50/50 |
다른 쪽 전극 | 전극형성방법 | |
실시예 6 | 설포-방향족 화합물 아니온으로도핑된 폴리피롤 | 피롤기체중에서 산화반응 반복 |
실시예 7 | 이산화망간 | 질산망간의 열분해 반복 |
실시예 8 | 설포-방향족 화합물 아니온으로도핑된 폴리티오펜 유도체 | 티오펜 유도체 용액중에서 산화반응 반복 |
Claims (12)
- 니오브 모노옥사이드 결정과 헥사니오브 모노옥사이드 결정을 함유하는 것을 특징으로 하는 커패시터용 니오브 분말.
- 제1항에 있어서, 니오브 모노옥사이드 결정의 함량이 0.05 내지 20질량%인 것을 특징으로 하는 커패시터용 니오브 분말.
- 제1항에 있어서, 헥사니오브 모노옥사이드 결정의 함량이 0.05 내지 20 질량%인 것을 특징으로 하는 커패시터용 니오브 분말.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 부분 질화된 니오브 분말을 함유하는 것을 특징으로 하는 커패시터용 니오브 분말.
- 제4항에 있어서, 질화량이 질량기준으로 10∼00,000 ppm인 것을 특징으로 하는 커패시터용 니오브 분말.
- 제1항 내지 제5항중 어느 한 항에 기재한 커패시터용 니오브 분말을 이용한 소결체.
- 제6항에 기재한 소결체로부터 한쪽 전극, 상기 소결체의 표면에 형성된 유전재료, 및 상기 유전재료에 제공되는 다른쪽 전극으로 제조된 것을 특징으로 하는 커패시터.
- 제7항에 있어서, 상기 유전재료가 산화니오브로 주 구성되는 것을 특징으로 하는 커패시터.
- 제8항에 있어서, 상기 산화니오브가 전해산화에 의해 형성된 것을 특징으로 하는 커패시터.
- 제7항 내지 제9항중 어느 한 항에 있어서, 상기 다른 쪽 전극이 전해질 용액, 유기 반도체 또는 무기 반도체로부터 선택되는 적어도 하나의 재료인 것을 특징으로 하는 커패시터.
- 제10항에 있어서, 상기 다른 쪽 전극이 유기 반도체로 구성되고, 상기 유기 반도체는 벤조피롤린 테트라머 및 클로르아닐을 함유하는 유기 반도체, 테트라티오테트라센을 주로 함유하는 유기반도체, 다음 화학식 1 또는 2로 표현되는 2 이상의 반복단위를 포함하는 폴리머내로 도판트를 도핑하는 것에 의해 얻어지는 도전성 폴리머를 주로 함유하는 유기 반도체로 이루어진 군에서 선택되는 적어도 하나의유기 반도체인 것을 특징으로 하는 커패시터:(여기서, R1내지 R4는 서로 같거나 다를 수 있는 것으로서 그 각각은 수소원자, 탄소원자수 1 내지 6의 알킬기 또는 탄소원자수 1 내지 6의 알콕시기이고, X는 산소원자, 황원자 또는 질소원자이고, R5는 X가 질소원자일 경우에만 존재하는 것으로서 수소원자 또는 탄소원자수 1 내지 6의 알킬기이고, R1과 R2의 쌍과 R3와 R4의 쌍 각각은 서로 결합하여 고리를 형성할 수도 있음.)
- 제11항에 있어서, 상기 유기 반도체가 폴리피롤, 폴리티오펜 또는 그 치환유도체로부터 선택되는 적어도 하나인 것을 특징으로 하는 커패시터.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2000-00366658 | 2000-12-01 | ||
JP2000366658A JP4521849B2 (ja) | 2000-12-01 | 2000-12-01 | コンデンサ用ニオブ粉と該ニオブ粉を用いた焼結体および該焼結体を用いたコンデンサ |
US26896401P | 2001-02-16 | 2001-02-16 | |
US60/268,964 | 2001-02-16 | ||
PCT/JP2001/010485 WO2002045107A1 (en) | 2000-12-01 | 2001-11-30 | Niobium powder for capacitor, sintered body thereof and capacitor using the sintered body |
Publications (2)
Publication Number | Publication Date |
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KR20020079801A true KR20020079801A (ko) | 2002-10-19 |
KR100812689B1 KR100812689B1 (ko) | 2008-03-13 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020027009489A KR100812689B1 (ko) | 2000-12-01 | 2001-11-30 | 커패시터용 니오브 분말, 그 소결체 및 소결체를 이용한커패시터 |
Country Status (5)
Country | Link |
---|---|
US (2) | US6663687B2 (ko) |
EP (1) | EP1275124B1 (ko) |
KR (1) | KR100812689B1 (ko) |
AU (1) | AU2002218511A1 (ko) |
WO (1) | WO2002045107A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100492268B1 (ko) * | 2002-11-21 | 2005-05-30 | 한국전기연구원 | 전기화학 커패시터용 철계 금속산화물 전극재료의 제조방법 |
Families Citing this family (10)
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DE10041901A1 (de) * | 2000-08-25 | 2002-03-07 | Starck H C Gmbh | Kondensatoranode auf Basis Niob |
KR100812689B1 (ko) * | 2000-12-01 | 2008-03-13 | 쇼와 덴코 가부시키가이샤 | 커패시터용 니오브 분말, 그 소결체 및 소결체를 이용한커패시터 |
JP2004143477A (ja) * | 2002-10-22 | 2004-05-20 | Cabot Supermetal Kk | ニオブ粉末およびその製造方法、並びにそれを用いた固体電解コンデンサ |
EP2455340A1 (en) * | 2003-05-19 | 2012-05-23 | Cabot Corporation | Valve metal sub-oxide powders and capacitors and sintered anode bodies made therefrom |
US20050057484A1 (en) * | 2003-09-15 | 2005-03-17 | Diefenbaugh Paul S. | Automatic image luminance control with backlight adjustment |
RU2424982C2 (ru) * | 2005-06-03 | 2011-07-27 | Х.К. Штарк Гмбх | Субоксиды ниобия |
EP1915764A1 (en) | 2005-08-19 | 2008-04-30 | Avx Limited | Polymer based solid state capacitors and a method of manufacturing them |
GB2429583B (en) * | 2005-08-26 | 2011-03-02 | Avx Ltd | Solid state capacitors and method of manufacturing them |
GB0517952D0 (en) | 2005-09-02 | 2005-10-12 | Avx Ltd | Method of forming anode bodies for solid state capacitors |
EP2270092B1 (en) * | 2008-04-21 | 2015-03-11 | Tayca Corporation | Dispersion of electroconductive composition, electroconductive composition, and solid electrolytic capacitor |
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US5448447A (en) | 1993-04-26 | 1995-09-05 | Cabot Corporation | Process for making an improved tantalum powder and high capacitance low leakage electrode made therefrom |
JP3254163B2 (ja) * | 1997-02-28 | 2002-02-04 | 昭和電工株式会社 | コンデンサ |
US6051044A (en) | 1998-05-04 | 2000-04-18 | Cabot Corporation | Nitrided niobium powders and niobium electrolytic capacitors |
JP3196832B2 (ja) | 1998-05-15 | 2001-08-06 | 日本電気株式会社 | 固体電解コンデンサ及びその製造方法 |
US6416730B1 (en) | 1998-09-16 | 2002-07-09 | Cabot Corporation | Methods to partially reduce a niobium metal oxide oxygen reduced niobium oxides |
DE19847012A1 (de) * | 1998-10-13 | 2000-04-20 | Starck H C Gmbh Co Kg | Niobpulver und Verfahren zu dessen Herstellung |
EP1093137A4 (en) * | 1999-02-16 | 2006-07-26 | Showa Denko Kk | NIOBIUM POWDER, SINTERED ELEMENT BASED ON NIOBIUM, CAPACITOR COMPRISING THIS ELEMENT AND METHOD FOR MANUFACTURING THE CAPACITOR |
JP2000269091A (ja) * | 1999-03-17 | 2000-09-29 | Showa Kyabotto Super Metal Kk | 電解コンデンサ用金属粉末ならびにこれを用いた電解コンデンサ用陽極体および電解コンデンサ |
CN100381234C (zh) * | 1999-03-19 | 2008-04-16 | 卡伯特公司 | 通过研磨制备铌和其它金属粉末 |
US6375704B1 (en) * | 1999-05-12 | 2002-04-23 | Cabot Corporation | High capacitance niobium powders and electrolytic capacitor anodes |
KR100812689B1 (ko) * | 2000-12-01 | 2008-03-13 | 쇼와 덴코 가부시키가이샤 | 커패시터용 니오브 분말, 그 소결체 및 소결체를 이용한커패시터 |
-
2001
- 2001-11-30 KR KR1020027009489A patent/KR100812689B1/ko not_active IP Right Cessation
- 2001-11-30 AU AU2002218511A patent/AU2002218511A1/en not_active Abandoned
- 2001-11-30 WO PCT/JP2001/010485 patent/WO2002045107A1/en active IP Right Grant
- 2001-11-30 US US10/182,140 patent/US6663687B2/en not_active Expired - Lifetime
- 2001-11-30 EP EP01998980A patent/EP1275124B1/en not_active Expired - Lifetime
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- 2003-10-02 US US10/675,955 patent/US7208027B2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100492268B1 (ko) * | 2002-11-21 | 2005-05-30 | 한국전기연구원 | 전기화학 커패시터용 철계 금속산화물 전극재료의 제조방법 |
Also Published As
Publication number | Publication date |
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KR100812689B1 (ko) | 2008-03-13 |
US20030007313A1 (en) | 2003-01-09 |
US7208027B2 (en) | 2007-04-24 |
AU2002218511A1 (en) | 2002-06-11 |
WO2002045107A1 (en) | 2002-06-06 |
US20050257642A1 (en) | 2005-11-24 |
US6663687B2 (en) | 2003-12-16 |
EP1275124A4 (en) | 2004-03-17 |
EP1275124B1 (en) | 2005-05-04 |
EP1275124A1 (en) | 2003-01-15 |
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